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-rw-r--r--tools/perf/util/annotate.c8
-rw-r--r--tools/perf/util/annotate.h5
-rw-r--r--tools/perf/util/build-id.c26
-rw-r--r--tools/perf/util/build-id.h2
-rw-r--r--tools/perf/util/callchain.h3
-rw-r--r--tools/perf/util/cgroup.c15
-rw-r--r--tools/perf/util/config.c5
-rw-r--r--tools/perf/util/debugfs.c35
-rw-r--r--tools/perf/util/debugfs.h31
-rw-r--r--tools/perf/util/event.c360
-rw-r--r--tools/perf/util/event.h68
-rw-r--r--tools/perf/util/evlist.c299
-rw-r--r--tools/perf/util/evlist.h43
-rw-r--r--tools/perf/util/evsel.c154
-rw-r--r--tools/perf/util/evsel.h8
-rw-r--r--tools/perf/util/header.c741
-rw-r--r--tools/perf/util/header.h51
-rw-r--r--tools/perf/util/hist.h3
-rw-r--r--tools/perf/util/include/linux/bitops.h118
-rw-r--r--tools/perf/util/map.c4
-rw-r--r--tools/perf/util/map.h19
-rw-r--r--tools/perf/util/parse-events.c30
-rw-r--r--tools/perf/util/parse-events.h1
-rw-r--r--tools/perf/util/probe-finder.h1
-rw-r--r--tools/perf/util/scripting-engines/trace-event-perl.c75
-rw-r--r--tools/perf/util/scripting-engines/trace-event-python.c4
-rw-r--r--tools/perf/util/session.c342
-rw-r--r--tools/perf/util/session.h72
-rw-r--r--tools/perf/util/setup.py3
-rw-r--r--tools/perf/util/symbol.c11
-rw-r--r--tools/perf/util/symbol.h1
-rw-r--r--tools/perf/util/thread.c6
-rw-r--r--tools/perf/util/thread.h14
-rw-r--r--tools/perf/util/tool.h50
-rw-r--r--tools/perf/util/top.h20
-rw-r--r--tools/perf/util/trace-event-info.c28
-rw-r--r--tools/perf/util/trace-event-scripting.c2
-rw-r--r--tools/perf/util/trace-event.h8
-rw-r--r--tools/perf/util/ui/browsers/annotate.c16
-rw-r--r--tools/perf/util/ui/browsers/hists.c2
-rw-r--r--tools/perf/util/ui/progress.c3
-rw-r--r--tools/perf/util/usage.c5
-rw-r--r--tools/perf/util/util.h11
-rw-r--r--tools/perf/util/values.c1
44 files changed, 1770 insertions, 934 deletions
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 119e996035c8..011ed2676604 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -25,17 +25,17 @@ int symbol__annotate_init(struct map *map __used, struct symbol *sym)
return 0;
}
-int symbol__alloc_hist(struct symbol *sym, int nevents)
+int symbol__alloc_hist(struct symbol *sym)
{
struct annotation *notes = symbol__annotation(sym);
size_t sizeof_sym_hist = (sizeof(struct sym_hist) +
(sym->end - sym->start) * sizeof(u64));
- notes->src = zalloc(sizeof(*notes->src) + nevents * sizeof_sym_hist);
+ notes->src = zalloc(sizeof(*notes->src) + symbol_conf.nr_events * sizeof_sym_hist);
if (notes->src == NULL)
return -1;
notes->src->sizeof_sym_hist = sizeof_sym_hist;
- notes->src->nr_histograms = nevents;
+ notes->src->nr_histograms = symbol_conf.nr_events;
INIT_LIST_HEAD(&notes->src->source);
return 0;
}
@@ -334,7 +334,7 @@ fallback:
disassembler_style ? "-M " : "",
disassembler_style ? disassembler_style : "",
map__rip_2objdump(map, sym->start),
- map__rip_2objdump(map, sym->end),
+ map__rip_2objdump(map, sym->end+1),
symbol_conf.annotate_asm_raw ? "" : "--no-show-raw",
symbol_conf.annotate_src ? "-S" : "",
symfs_filename, filename);
diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h
index d9072523d342..efa5dc82bfae 100644
--- a/tools/perf/util/annotate.h
+++ b/tools/perf/util/annotate.h
@@ -72,7 +72,7 @@ static inline struct annotation *symbol__annotation(struct symbol *sym)
int symbol__inc_addr_samples(struct symbol *sym, struct map *map,
int evidx, u64 addr);
-int symbol__alloc_hist(struct symbol *sym, int nevents);
+int symbol__alloc_hist(struct symbol *sym);
void symbol__annotate_zero_histograms(struct symbol *sym);
int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize);
@@ -99,8 +99,7 @@ static inline int symbol__tui_annotate(struct symbol *sym __used,
}
#else
int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
- int nr_events, void(*timer)(void *arg), void *arg,
- int delay_secs);
+ void(*timer)(void *arg), void *arg, int delay_secs);
#endif
extern const char *disassembler_style;
diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c
index a91cd99f26ea..dff9c7a725f4 100644
--- a/tools/perf/util/build-id.c
+++ b/tools/perf/util/build-id.c
@@ -13,15 +13,18 @@
#include "symbol.h"
#include <linux/kernel.h>
#include "debug.h"
+#include "session.h"
+#include "tool.h"
-static int build_id__mark_dso_hit(union perf_event *event,
+static int build_id__mark_dso_hit(struct perf_tool *tool __used,
+ union perf_event *event,
struct perf_sample *sample __used,
struct perf_evsel *evsel __used,
- struct perf_session *session)
+ struct machine *machine)
{
struct addr_location al;
u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
- struct thread *thread = perf_session__findnew(session, event->ip.pid);
+ struct thread *thread = machine__findnew_thread(machine, event->ip.pid);
if (thread == NULL) {
pr_err("problem processing %d event, skipping it.\n",
@@ -29,8 +32,8 @@ static int build_id__mark_dso_hit(union perf_event *event,
return -1;
}
- thread__find_addr_map(thread, session, cpumode, MAP__FUNCTION,
- event->ip.pid, event->ip.ip, &al);
+ thread__find_addr_map(thread, machine, cpumode, MAP__FUNCTION,
+ event->ip.ip, &al);
if (al.map != NULL)
al.map->dso->hit = 1;
@@ -38,25 +41,26 @@ static int build_id__mark_dso_hit(union perf_event *event,
return 0;
}
-static int perf_event__exit_del_thread(union perf_event *event,
+static int perf_event__exit_del_thread(struct perf_tool *tool __used,
+ union perf_event *event,
struct perf_sample *sample __used,
- struct perf_session *session)
+ struct machine *machine)
{
- struct thread *thread = perf_session__findnew(session, event->fork.tid);
+ struct thread *thread = machine__findnew_thread(machine, event->fork.tid);
dump_printf("(%d:%d):(%d:%d)\n", event->fork.pid, event->fork.tid,
event->fork.ppid, event->fork.ptid);
if (thread) {
- rb_erase(&thread->rb_node, &session->threads);
- session->last_match = NULL;
+ rb_erase(&thread->rb_node, &machine->threads);
+ machine->last_match = NULL;
thread__delete(thread);
}
return 0;
}
-struct perf_event_ops build_id__mark_dso_hit_ops = {
+struct perf_tool build_id__mark_dso_hit_ops = {
.sample = build_id__mark_dso_hit,
.mmap = perf_event__process_mmap,
.fork = perf_event__process_task,
diff --git a/tools/perf/util/build-id.h b/tools/perf/util/build-id.h
index 5dafb00eaa06..a993ba87d996 100644
--- a/tools/perf/util/build-id.h
+++ b/tools/perf/util/build-id.h
@@ -3,7 +3,7 @@
#include "session.h"
-extern struct perf_event_ops build_id__mark_dso_hit_ops;
+extern struct perf_tool build_id__mark_dso_hit_ops;
char *dso__build_id_filename(struct dso *self, char *bf, size_t size);
diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h
index 9b4ff16cac96..7f9c0f1ae3a9 100644
--- a/tools/perf/util/callchain.h
+++ b/tools/perf/util/callchain.h
@@ -101,6 +101,9 @@ int callchain_append(struct callchain_root *root,
int callchain_merge(struct callchain_cursor *cursor,
struct callchain_root *dst, struct callchain_root *src);
+struct ip_callchain;
+union perf_event;
+
bool ip_callchain__valid(struct ip_callchain *chain,
const union perf_event *event);
/*
diff --git a/tools/perf/util/cgroup.c b/tools/perf/util/cgroup.c
index 96bee5c46008..dbe2f16b1a1a 100644
--- a/tools/perf/util/cgroup.c
+++ b/tools/perf/util/cgroup.c
@@ -3,7 +3,6 @@
#include "parse-options.h"
#include "evsel.h"
#include "cgroup.h"
-#include "debugfs.h" /* MAX_PATH, STR() */
#include "evlist.h"
int nr_cgroups;
@@ -12,7 +11,7 @@ static int
cgroupfs_find_mountpoint(char *buf, size_t maxlen)
{
FILE *fp;
- char mountpoint[MAX_PATH+1], tokens[MAX_PATH+1], type[MAX_PATH+1];
+ char mountpoint[PATH_MAX + 1], tokens[PATH_MAX + 1], type[PATH_MAX + 1];
char *token, *saved_ptr = NULL;
int found = 0;
@@ -25,8 +24,8 @@ cgroupfs_find_mountpoint(char *buf, size_t maxlen)
* and inspect every cgroupfs mount point to find one that has
* perf_event subsystem
*/
- while (fscanf(fp, "%*s %"STR(MAX_PATH)"s %"STR(MAX_PATH)"s %"
- STR(MAX_PATH)"s %*d %*d\n",
+ while (fscanf(fp, "%*s %"STR(PATH_MAX)"s %"STR(PATH_MAX)"s %"
+ STR(PATH_MAX)"s %*d %*d\n",
mountpoint, type, tokens) == 3) {
if (!strcmp(type, "cgroup")) {
@@ -57,15 +56,15 @@ cgroupfs_find_mountpoint(char *buf, size_t maxlen)
static int open_cgroup(char *name)
{
- char path[MAX_PATH+1];
- char mnt[MAX_PATH+1];
+ char path[PATH_MAX + 1];
+ char mnt[PATH_MAX + 1];
int fd;
- if (cgroupfs_find_mountpoint(mnt, MAX_PATH+1))
+ if (cgroupfs_find_mountpoint(mnt, PATH_MAX + 1))
return -1;
- snprintf(path, MAX_PATH, "%s/%s", mnt, name);
+ snprintf(path, PATH_MAX, "%s/%s", mnt, name);
fd = open(path, O_RDONLY);
if (fd == -1)
diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c
index 80d9598db31a..0deac6a14b65 100644
--- a/tools/perf/util/config.c
+++ b/tools/perf/util/config.c
@@ -1,5 +1,8 @@
/*
- * GIT - The information manager from hell
+ * config.c
+ *
+ * Helper functions for parsing config items.
+ * Originally copied from GIT source.
*
* Copyright (C) Linus Torvalds, 2005
* Copyright (C) Johannes Schindelin, 2005
diff --git a/tools/perf/util/debugfs.c b/tools/perf/util/debugfs.c
index a88fefc0cc0a..ffc35e748e89 100644
--- a/tools/perf/util/debugfs.c
+++ b/tools/perf/util/debugfs.c
@@ -2,8 +2,12 @@
#include "debugfs.h"
#include "cache.h"
+#include <linux/kernel.h>
+#include <sys/mount.h>
+
static int debugfs_premounted;
-static char debugfs_mountpoint[MAX_PATH+1];
+char debugfs_mountpoint[PATH_MAX + 1] = "/sys/kernel/debug";
+char tracing_events_path[PATH_MAX + 1] = "/sys/kernel/debug/tracing/events";
static const char *debugfs_known_mountpoints[] = {
"/sys/kernel/debug/",
@@ -62,11 +66,9 @@ const char *debugfs_find_mountpoint(void)
/* give up and parse /proc/mounts */
fp = fopen("/proc/mounts", "r");
if (fp == NULL)
- die("Can't open /proc/mounts for read");
+ return NULL;
- while (fscanf(fp, "%*s %"
- STR(MAX_PATH)
- "s %99s %*s %*d %*d\n",
+ while (fscanf(fp, "%*s %" STR(PATH_MAX) "s %99s %*s %*d %*d\n",
debugfs_mountpoint, type) == 2) {
if (strcmp(type, "debugfs") == 0)
break;
@@ -106,6 +108,12 @@ int debugfs_valid_entry(const char *path)
return 0;
}
+static void debugfs_set_tracing_events_path(const char *mountpoint)
+{
+ snprintf(tracing_events_path, sizeof(tracing_events_path), "%s/%s",
+ mountpoint, "tracing/events");
+}
+
/* mount the debugfs somewhere if it's not mounted */
char *debugfs_mount(const char *mountpoint)
@@ -113,7 +121,7 @@ char *debugfs_mount(const char *mountpoint)
/* see if it's already mounted */
if (debugfs_find_mountpoint()) {
debugfs_premounted = 1;
- return debugfs_mountpoint;
+ goto out;
}
/* if not mounted and no argument */
@@ -129,12 +137,19 @@ char *debugfs_mount(const char *mountpoint)
return NULL;
/* save the mountpoint */
- strncpy(debugfs_mountpoint, mountpoint, sizeof(debugfs_mountpoint));
debugfs_found = 1;
-
+ strncpy(debugfs_mountpoint, mountpoint, sizeof(debugfs_mountpoint));
+out:
+ debugfs_set_tracing_events_path(debugfs_mountpoint);
return debugfs_mountpoint;
}
+void debugfs_set_path(const char *mountpoint)
+{
+ snprintf(debugfs_mountpoint, sizeof(debugfs_mountpoint), "%s", mountpoint);
+ debugfs_set_tracing_events_path(mountpoint);
+}
+
/* umount the debugfs */
int debugfs_umount(void)
@@ -158,7 +173,7 @@ int debugfs_umount(void)
int debugfs_write(const char *entry, const char *value)
{
- char path[MAX_PATH+1];
+ char path[PATH_MAX + 1];
int ret, count;
int fd;
@@ -203,7 +218,7 @@ int debugfs_write(const char *entry, const char *value)
*/
int debugfs_read(const char *entry, char *buffer, size_t size)
{
- char path[MAX_PATH+1];
+ char path[PATH_MAX + 1];
int ret;
int fd;
diff --git a/tools/perf/util/debugfs.h b/tools/perf/util/debugfs.h
index 83a02879745f..4a878f735eb0 100644
--- a/tools/perf/util/debugfs.h
+++ b/tools/perf/util/debugfs.h
@@ -1,25 +1,18 @@
#ifndef __DEBUGFS_H__
#define __DEBUGFS_H__
-#include <sys/mount.h>
+const char *debugfs_find_mountpoint(void);
+int debugfs_valid_mountpoint(const char *debugfs);
+int debugfs_valid_entry(const char *path);
+char *debugfs_mount(const char *mountpoint);
+int debugfs_umount(void);
+void debugfs_set_path(const char *mountpoint);
+int debugfs_write(const char *entry, const char *value);
+int debugfs_read(const char *entry, char *buffer, size_t size);
+void debugfs_force_cleanup(void);
+int debugfs_make_path(const char *element, char *buffer, int size);
-#ifndef MAX_PATH
-# define MAX_PATH 256
-#endif
-
-#ifndef STR
-# define _STR(x) #x
-# define STR(x) _STR(x)
-#endif
-
-extern const char *debugfs_find_mountpoint(void);
-extern int debugfs_valid_mountpoint(const char *debugfs);
-extern int debugfs_valid_entry(const char *path);
-extern char *debugfs_mount(const char *mountpoint);
-extern int debugfs_umount(void);
-extern int debugfs_write(const char *entry, const char *value);
-extern int debugfs_read(const char *entry, char *buffer, size_t size);
-extern void debugfs_force_cleanup(void);
-extern int debugfs_make_path(const char *element, char *buffer, int size);
+extern char debugfs_mountpoint[];
+extern char tracing_events_path[];
#endif /* __DEBUGFS_H__ */
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 437f8ca679a0..73ddaf06b8e7 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -1,7 +1,6 @@
#include <linux/types.h>
#include "event.h"
#include "debug.h"
-#include "session.h"
#include "sort.h"
#include "string.h"
#include "strlist.h"
@@ -44,36 +43,27 @@ static struct perf_sample synth_sample = {
.period = 1,
};
-static pid_t perf_event__synthesize_comm(union perf_event *event, pid_t pid,
- int full, perf_event__handler_t process,
- struct perf_session *session)
+static pid_t perf_event__get_comm_tgid(pid_t pid, char *comm, size_t len)
{
char filename[PATH_MAX];
char bf[BUFSIZ];
FILE *fp;
size_t size = 0;
- DIR *tasks;
- struct dirent dirent, *next;
- pid_t tgid = 0;
+ pid_t tgid = -1;
snprintf(filename, sizeof(filename), "/proc/%d/status", pid);
fp = fopen(filename, "r");
if (fp == NULL) {
-out_race:
- /*
- * We raced with a task exiting - just return:
- */
pr_debug("couldn't open %s\n", filename);
return 0;
}
- memset(&event->comm, 0, sizeof(event->comm));
-
- while (!event->comm.comm[0] || !event->comm.pid) {
+ while (!comm[0] || (tgid < 0)) {
if (fgets(bf, sizeof(bf), fp) == NULL) {
- pr_warning("couldn't get COMM and pgid, malformed %s\n", filename);
- goto out;
+ pr_warning("couldn't get COMM and pgid, malformed %s\n",
+ filename);
+ break;
}
if (memcmp(bf, "Name:", 5) == 0) {
@@ -81,33 +71,65 @@ out_race:
while (*name && isspace(*name))
++name;
size = strlen(name) - 1;
- memcpy(event->comm.comm, name, size++);
+ if (size >= len)
+ size = len - 1;
+ memcpy(comm, name, size);
+
} else if (memcmp(bf, "Tgid:", 5) == 0) {
char *tgids = bf + 5;
while (*tgids && isspace(*tgids))
++tgids;
- tgid = event->comm.pid = atoi(tgids);
+ tgid = atoi(tgids);
}
}
+ fclose(fp);
+
+ return tgid;
+}
+
+static pid_t perf_event__synthesize_comm(struct perf_tool *tool,
+ union perf_event *event, pid_t pid,
+ int full,
+ perf_event__handler_t process,
+ struct machine *machine)
+{
+ char filename[PATH_MAX];
+ size_t size;
+ DIR *tasks;
+ struct dirent dirent, *next;
+ pid_t tgid;
+
+ memset(&event->comm, 0, sizeof(event->comm));
+
+ tgid = perf_event__get_comm_tgid(pid, event->comm.comm,
+ sizeof(event->comm.comm));
+ if (tgid < 0)
+ goto out;
+
+ event->comm.pid = tgid;
event->comm.header.type = PERF_RECORD_COMM;
+
+ size = strlen(event->comm.comm) + 1;
size = ALIGN(size, sizeof(u64));
- memset(event->comm.comm + size, 0, session->id_hdr_size);
+ memset(event->comm.comm + size, 0, machine->id_hdr_size);
event->comm.header.size = (sizeof(event->comm) -
(sizeof(event->comm.comm) - size) +
- session->id_hdr_size);
+ machine->id_hdr_size);
if (!full) {
event->comm.tid = pid;
- process(event, &synth_sample, session);
+ process(tool, event, &synth_sample, machine);
goto out;
}
snprintf(filename, sizeof(filename), "/proc/%d/task", pid);
tasks = opendir(filename);
- if (tasks == NULL)
- goto out_race;
+ if (tasks == NULL) {
+ pr_debug("couldn't open %s\n", filename);
+ return 0;
+ }
while (!readdir_r(tasks, &dirent, &next) && next) {
char *end;
@@ -115,22 +137,32 @@ out_race:
if (*end)
continue;
+ /* already have tgid; jut want to update the comm */
+ (void) perf_event__get_comm_tgid(pid, event->comm.comm,
+ sizeof(event->comm.comm));
+
+ size = strlen(event->comm.comm) + 1;
+ size = ALIGN(size, sizeof(u64));
+ memset(event->comm.comm + size, 0, machine->id_hdr_size);
+ event->comm.header.size = (sizeof(event->comm) -
+ (sizeof(event->comm.comm) - size) +
+ machine->id_hdr_size);
+
event->comm.tid = pid;
- process(event, &synth_sample, session);
+ process(tool, event, &synth_sample, machine);
}
closedir(tasks);
out:
- fclose(fp);
-
return tgid;
}
-static int perf_event__synthesize_mmap_events(union perf_event *event,
+static int perf_event__synthesize_mmap_events(struct perf_tool *tool,
+ union perf_event *event,
pid_t pid, pid_t tgid,
perf_event__handler_t process,
- struct perf_session *session)
+ struct machine *machine)
{
char filename[PATH_MAX];
FILE *fp;
@@ -193,12 +225,12 @@ static int perf_event__synthesize_mmap_events(union perf_event *event,
event->mmap.len -= event->mmap.start;
event->mmap.header.size = (sizeof(event->mmap) -
(sizeof(event->mmap.filename) - size));
- memset(event->mmap.filename + size, 0, session->id_hdr_size);
- event->mmap.header.size += session->id_hdr_size;
+ memset(event->mmap.filename + size, 0, machine->id_hdr_size);
+ event->mmap.header.size += machine->id_hdr_size;
event->mmap.pid = tgid;
event->mmap.tid = pid;
- process(event, &synth_sample, session);
+ process(tool, event, &synth_sample, machine);
}
}
@@ -206,14 +238,14 @@ static int perf_event__synthesize_mmap_events(union perf_event *event,
return 0;
}
-int perf_event__synthesize_modules(perf_event__handler_t process,
- struct perf_session *session,
+int perf_event__synthesize_modules(struct perf_tool *tool,
+ perf_event__handler_t process,
struct machine *machine)
{
struct rb_node *nd;
struct map_groups *kmaps = &machine->kmaps;
union perf_event *event = zalloc((sizeof(event->mmap) +
- session->id_hdr_size));
+ machine->id_hdr_size));
if (event == NULL) {
pr_debug("Not enough memory synthesizing mmap event "
"for kernel modules\n");
@@ -243,15 +275,15 @@ int perf_event__synthesize_modules(perf_event__handler_t process,
event->mmap.header.type = PERF_RECORD_MMAP;
event->mmap.header.size = (sizeof(event->mmap) -
(sizeof(event->mmap.filename) - size));
- memset(event->mmap.filename + size, 0, session->id_hdr_size);
- event->mmap.header.size += session->id_hdr_size;
+ memset(event->mmap.filename + size, 0, machine->id_hdr_size);
+ event->mmap.header.size += machine->id_hdr_size;
event->mmap.start = pos->start;
event->mmap.len = pos->end - pos->start;
event->mmap.pid = machine->pid;
memcpy(event->mmap.filename, pos->dso->long_name,
pos->dso->long_name_len + 1);
- process(event, &synth_sample, session);
+ process(tool, event, &synth_sample, machine);
}
free(event);
@@ -260,40 +292,69 @@ int perf_event__synthesize_modules(perf_event__handler_t process,
static int __event__synthesize_thread(union perf_event *comm_event,
union perf_event *mmap_event,
- pid_t pid, perf_event__handler_t process,
- struct perf_session *session)
+ pid_t pid, int full,
+ perf_event__handler_t process,
+ struct perf_tool *tool,
+ struct machine *machine)
{
- pid_t tgid = perf_event__synthesize_comm(comm_event, pid, 1, process,
- session);
+ pid_t tgid = perf_event__synthesize_comm(tool, comm_event, pid, full,
+ process, machine);
if (tgid == -1)
return -1;
- return perf_event__synthesize_mmap_events(mmap_event, pid, tgid,
- process, session);
+ return perf_event__synthesize_mmap_events(tool, mmap_event, pid, tgid,
+ process, machine);
}
-int perf_event__synthesize_thread_map(struct thread_map *threads,
+int perf_event__synthesize_thread_map(struct perf_tool *tool,
+ struct thread_map *threads,
perf_event__handler_t process,
- struct perf_session *session)
+ struct machine *machine)
{
union perf_event *comm_event, *mmap_event;
- int err = -1, thread;
+ int err = -1, thread, j;
- comm_event = malloc(sizeof(comm_event->comm) + session->id_hdr_size);
+ comm_event = malloc(sizeof(comm_event->comm) + machine->id_hdr_size);
if (comm_event == NULL)
goto out;
- mmap_event = malloc(sizeof(mmap_event->mmap) + session->id_hdr_size);
+ mmap_event = malloc(sizeof(mmap_event->mmap) + machine->id_hdr_size);
if (mmap_event == NULL)
goto out_free_comm;
err = 0;
for (thread = 0; thread < threads->nr; ++thread) {
if (__event__synthesize_thread(comm_event, mmap_event,
- threads->map[thread],
- process, session)) {
+ threads->map[thread], 0,
+ process, tool, machine)) {
err = -1;
break;
}
+
+ /*
+ * comm.pid is set to thread group id by
+ * perf_event__synthesize_comm
+ */
+ if ((int) comm_event->comm.pid != threads->map[thread]) {
+ bool need_leader = true;
+
+ /* is thread group leader in thread_map? */
+ for (j = 0; j < threads->nr; ++j) {
+ if ((int) comm_event->comm.pid == threads->map[j]) {
+ need_leader = false;
+ break;
+ }
+ }
+
+ /* if not, generate events for it */
+ if (need_leader &&
+ __event__synthesize_thread(comm_event,
+ mmap_event,
+ comm_event->comm.pid, 0,
+ process, tool, machine)) {
+ err = -1;
+ break;
+ }
+ }
}
free(mmap_event);
out_free_comm:
@@ -302,19 +363,20 @@ out:
return err;
}
-int perf_event__synthesize_threads(perf_event__handler_t process,
- struct perf_session *session)
+int perf_event__synthesize_threads(struct perf_tool *tool,
+ perf_event__handler_t process,
+ struct machine *machine)
{
DIR *proc;
struct dirent dirent, *next;
union perf_event *comm_event, *mmap_event;
int err = -1;
- comm_event = malloc(sizeof(comm_event->comm) + session->id_hdr_size);
+ comm_event = malloc(sizeof(comm_event->comm) + machine->id_hdr_size);
if (comm_event == NULL)
goto out;
- mmap_event = malloc(sizeof(mmap_event->mmap) + session->id_hdr_size);
+ mmap_event = malloc(sizeof(mmap_event->mmap) + machine->id_hdr_size);
if (mmap_event == NULL)
goto out_free_comm;
@@ -329,8 +391,8 @@ int perf_event__synthesize_threads(perf_event__handler_t process,
if (*end) /* only interested in proper numerical dirents */
continue;
- __event__synthesize_thread(comm_event, mmap_event, pid,
- process, session);
+ __event__synthesize_thread(comm_event, mmap_event, pid, 1,
+ process, tool, machine);
}
closedir(proc);
@@ -365,8 +427,8 @@ static int find_symbol_cb(void *arg, const char *name, char type,
return 1;
}
-int perf_event__synthesize_kernel_mmap(perf_event__handler_t process,
- struct perf_session *session,
+int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
+ perf_event__handler_t process,
struct machine *machine,
const char *symbol_name)
{
@@ -383,7 +445,7 @@ int perf_event__synthesize_kernel_mmap(perf_event__handler_t process,
*/
struct process_symbol_args args = { .name = symbol_name, };
union perf_event *event = zalloc((sizeof(event->mmap) +
- session->id_hdr_size));
+ machine->id_hdr_size));
if (event == NULL) {
pr_debug("Not enough memory synthesizing mmap event "
"for kernel modules\n");
@@ -417,25 +479,32 @@ int perf_event__synthesize_kernel_mmap(perf_event__handler_t process,
size = ALIGN(size, sizeof(u64));
event->mmap.header.type = PERF_RECORD_MMAP;
event->mmap.header.size = (sizeof(event->mmap) -
- (sizeof(event->mmap.filename) - size) + session->id_hdr_size);
+ (sizeof(event->mmap.filename) - size) + machine->id_hdr_size);
event->mmap.pgoff = args.start;
event->mmap.start = map->start;
event->mmap.len = map->end - event->mmap.start;
event->mmap.pid = machine->pid;
- err = process(event, &synth_sample, session);
+ err = process(tool, event, &synth_sample, machine);
free(event);
return err;
}
-int perf_event__process_comm(union perf_event *event,
+size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp)
+{
+ return fprintf(fp, ": %s:%d\n", event->comm.comm, event->comm.tid);
+}
+
+int perf_event__process_comm(struct perf_tool *tool __used,
+ union perf_event *event,
struct perf_sample *sample __used,
- struct perf_session *session)
+ struct machine *machine)
{
- struct thread *thread = perf_session__findnew(session, event->comm.tid);
+ struct thread *thread = machine__findnew_thread(machine, event->comm.tid);
- dump_printf(": %s:%d\n", event->comm.comm, event->comm.tid);
+ if (dump_trace)
+ perf_event__fprintf_comm(event, stdout);
if (thread == NULL || thread__set_comm(thread, event->comm.comm)) {
dump_printf("problem processing PERF_RECORD_COMM, skipping event.\n");
@@ -445,13 +514,13 @@ int perf_event__process_comm(union perf_event *event,
return 0;
}
-int perf_event__process_lost(union perf_event *event,
+int perf_event__process_lost(struct perf_tool *tool __used,
+ union perf_event *event,
struct perf_sample *sample __used,
- struct perf_session *session)
+ struct machine *machine __used)
{
dump_printf(": id:%" PRIu64 ": lost:%" PRIu64 "\n",
event->lost.id, event->lost.lost);
- session->hists.stats.total_lost += event->lost.lost;
return 0;
}
@@ -468,21 +537,15 @@ static void perf_event__set_kernel_mmap_len(union perf_event *event,
maps[MAP__FUNCTION]->end = ~0ULL;
}
-static int perf_event__process_kernel_mmap(union perf_event *event,
- struct perf_session *session)
+static int perf_event__process_kernel_mmap(struct perf_tool *tool __used,
+ union perf_event *event,
+ struct machine *machine)
{
struct map *map;
char kmmap_prefix[PATH_MAX];
- struct machine *machine;
enum dso_kernel_type kernel_type;
bool is_kernel_mmap;
- machine = perf_session__findnew_machine(session, event->mmap.pid);
- if (!machine) {
- pr_err("Can't find id %d's machine\n", event->mmap.pid);
- goto out_problem;
- }
-
machine__mmap_name(machine, kmmap_prefix, sizeof(kmmap_prefix));
if (machine__is_host(machine))
kernel_type = DSO_TYPE_KERNEL;
@@ -549,9 +612,9 @@ static int perf_event__process_kernel_mmap(union perf_event *event,
* time /proc/sys/kernel/kptr_restrict was non zero.
*/
if (event->mmap.pgoff != 0) {
- perf_session__set_kallsyms_ref_reloc_sym(machine->vmlinux_maps,
- symbol_name,
- event->mmap.pgoff);
+ maps__set_kallsyms_ref_reloc_sym(machine->vmlinux_maps,
+ symbol_name,
+ event->mmap.pgoff);
}
if (machine__is_default_guest(machine)) {
@@ -567,32 +630,35 @@ out_problem:
return -1;
}
-int perf_event__process_mmap(union perf_event *event,
+size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp)
+{
+ return fprintf(fp, " %d/%d: [%#" PRIx64 "(%#" PRIx64 ") @ %#" PRIx64 "]: %s\n",
+ event->mmap.pid, event->mmap.tid, event->mmap.start,
+ event->mmap.len, event->mmap.pgoff, event->mmap.filename);
+}
+
+int perf_event__process_mmap(struct perf_tool *tool,
+ union perf_event *event,
struct perf_sample *sample __used,
- struct perf_session *session)
+ struct machine *machine)
{
- struct machine *machine;
struct thread *thread;
struct map *map;
u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
int ret = 0;
- dump_printf(" %d/%d: [%#" PRIx64 "(%#" PRIx64 ") @ %#" PRIx64 "]: %s\n",
- event->mmap.pid, event->mmap.tid, event->mmap.start,
- event->mmap.len, event->mmap.pgoff, event->mmap.filename);
+ if (dump_trace)
+ perf_event__fprintf_mmap(event, stdout);
if (cpumode == PERF_RECORD_MISC_GUEST_KERNEL ||
cpumode == PERF_RECORD_MISC_KERNEL) {
- ret = perf_event__process_kernel_mmap(event, session);
+ ret = perf_event__process_kernel_mmap(tool, event, machine);
if (ret < 0)
goto out_problem;
return 0;
}
- machine = perf_session__find_host_machine(session);
- if (machine == NULL)
- goto out_problem;
- thread = perf_session__findnew(session, event->mmap.pid);
+ thread = machine__findnew_thread(machine, event->mmap.pid);
if (thread == NULL)
goto out_problem;
map = map__new(&machine->user_dsos, event->mmap.start,
@@ -610,18 +676,26 @@ out_problem:
return 0;
}
-int perf_event__process_task(union perf_event *event,
+size_t perf_event__fprintf_task(union perf_event *event, FILE *fp)
+{
+ return fprintf(fp, "(%d:%d):(%d:%d)\n",
+ event->fork.pid, event->fork.tid,
+ event->fork.ppid, event->fork.ptid);
+}
+
+int perf_event__process_task(struct perf_tool *tool __used,
+ union perf_event *event,
struct perf_sample *sample __used,
- struct perf_session *session)
+ struct machine *machine)
{
- struct thread *thread = perf_session__findnew(session, event->fork.tid);
- struct thread *parent = perf_session__findnew(session, event->fork.ptid);
+ struct thread *thread = machine__findnew_thread(machine, event->fork.tid);
+ struct thread *parent = machine__findnew_thread(machine, event->fork.ptid);
- dump_printf("(%d:%d):(%d:%d)\n", event->fork.pid, event->fork.tid,
- event->fork.ppid, event->fork.ptid);
+ if (dump_trace)
+ perf_event__fprintf_task(event, stdout);
if (event->header.type == PERF_RECORD_EXIT) {
- perf_session__remove_thread(session, thread);
+ machine__remove_thread(machine, thread);
return 0;
}
@@ -634,22 +708,45 @@ int perf_event__process_task(union perf_event *event,
return 0;
}
-int perf_event__process(union perf_event *event, struct perf_sample *sample,
- struct perf_session *session)
+size_t perf_event__fprintf(union perf_event *event, FILE *fp)
+{
+ size_t ret = fprintf(fp, "PERF_RECORD_%s",
+ perf_event__name(event->header.type));
+
+ switch (event->header.type) {
+ case PERF_RECORD_COMM:
+ ret += perf_event__fprintf_comm(event, fp);
+ break;
+ case PERF_RECORD_FORK:
+ case PERF_RECORD_EXIT:
+ ret += perf_event__fprintf_task(event, fp);
+ break;
+ case PERF_RECORD_MMAP:
+ ret += perf_event__fprintf_mmap(event, fp);
+ break;
+ default:
+ ret += fprintf(fp, "\n");
+ }
+
+ return ret;
+}
+
+int perf_event__process(struct perf_tool *tool, union perf_event *event,
+ struct perf_sample *sample, struct machine *machine)
{
switch (event->header.type) {
case PERF_RECORD_COMM:
- perf_event__process_comm(event, sample, session);
+ perf_event__process_comm(tool, event, sample, machine);
break;
case PERF_RECORD_MMAP:
- perf_event__process_mmap(event, sample, session);
+ perf_event__process_mmap(tool, event, sample, machine);
break;
case PERF_RECORD_FORK:
case PERF_RECORD_EXIT:
- perf_event__process_task(event, sample, session);
+ perf_event__process_task(tool, event, sample, machine);
break;
case PERF_RECORD_LOST:
- perf_event__process_lost(event, sample, session);
+ perf_event__process_lost(tool, event, sample, machine);
default:
break;
}
@@ -658,36 +755,29 @@ int perf_event__process(union perf_event *event, struct perf_sample *sample,
}
void thread__find_addr_map(struct thread *self,
- struct perf_session *session, u8 cpumode,
- enum map_type type, pid_t pid, u64 addr,
+ struct machine *machine, u8 cpumode,
+ enum map_type type, u64 addr,
struct addr_location *al)
{
struct map_groups *mg = &self->mg;
- struct machine *machine = NULL;
al->thread = self;
al->addr = addr;
al->cpumode = cpumode;
al->filtered = false;
+ if (machine == NULL) {
+ al->map = NULL;
+ return;
+ }
+
if (cpumode == PERF_RECORD_MISC_KERNEL && perf_host) {
al->level = 'k';
- machine = perf_session__find_host_machine(session);
- if (machine == NULL) {
- al->map = NULL;
- return;
- }
mg = &machine->kmaps;
} else if (cpumode == PERF_RECORD_MISC_USER && perf_host) {
al->level = '.';
- machine = perf_session__find_host_machine(session);
} else if (cpumode == PERF_RECORD_MISC_GUEST_KERNEL && perf_guest) {
al->level = 'g';
- machine = perf_session__find_machine(session, pid);
- if (machine == NULL) {
- al->map = NULL;
- return;
- }
mg = &machine->kmaps;
} else {
/*
@@ -733,13 +823,12 @@ try_again:
al->addr = al->map->map_ip(al->map, al->addr);
}
-void thread__find_addr_location(struct thread *self,
- struct perf_session *session, u8 cpumode,
- enum map_type type, pid_t pid, u64 addr,
+void thread__find_addr_location(struct thread *thread, struct machine *machine,
+ u8 cpumode, enum map_type type, u64 addr,
struct addr_location *al,
symbol_filter_t filter)
{
- thread__find_addr_map(self, session, cpumode, type, pid, addr, al);
+ thread__find_addr_map(thread, machine, cpumode, type, addr, al);
if (al->map != NULL)
al->sym = map__find_symbol(al->map, al->addr, filter);
else
@@ -747,13 +836,13 @@ void thread__find_addr_location(struct thread *self,
}
int perf_event__preprocess_sample(const union perf_event *event,
- struct perf_session *session,
+ struct machine *machine,
struct addr_location *al,
struct perf_sample *sample,
symbol_filter_t filter)
{
u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
- struct thread *thread = perf_session__findnew(session, event->ip.pid);
+ struct thread *thread = machine__findnew_thread(machine, event->ip.pid);
if (thread == NULL)
return -1;
@@ -764,18 +853,18 @@ int perf_event__preprocess_sample(const union perf_event *event,
dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid);
/*
- * Have we already created the kernel maps for the host machine?
+ * Have we already created the kernel maps for this machine?
*
* This should have happened earlier, when we processed the kernel MMAP
* events, but for older perf.data files there was no such thing, so do
* it now.
*/
if (cpumode == PERF_RECORD_MISC_KERNEL &&
- session->host_machine.vmlinux_maps[MAP__FUNCTION] == NULL)
- machine__create_kernel_maps(&session->host_machine);
+ machine->vmlinux_maps[MAP__FUNCTION] == NULL)
+ machine__create_kernel_maps(machine);
- thread__find_addr_map(thread, session, cpumode, MAP__FUNCTION,
- event->ip.pid, event->ip.ip, al);
+ thread__find_addr_map(thread, machine, cpumode, MAP__FUNCTION,
+ event->ip.ip, al);
dump_printf(" ...... dso: %s\n",
al->map ? al->map->dso->long_name :
al->level == 'H' ? "[hypervisor]" : "<not found>");
@@ -783,13 +872,14 @@ int perf_event__preprocess_sample(const union perf_event *event,
al->cpu = sample->cpu;
if (al->map) {
+ struct dso *dso = al->map->dso;
+
if (symbol_conf.dso_list &&
- (!al->map || !al->map->dso ||
- !(strlist__has_entry(symbol_conf.dso_list,
- al->map->dso->short_name) ||
- (al->map->dso->short_name != al->map->dso->long_name &&
- strlist__has_entry(symbol_conf.dso_list,
- al->map->dso->long_name)))))
+ (!dso || !(strlist__has_entry(symbol_conf.dso_list,
+ dso->short_name) ||
+ (dso->short_name != dso->long_name &&
+ strlist__has_entry(symbol_conf.dso_list,
+ dso->long_name)))))
goto out_filtered;
al->sym = map__find_symbol(al->map, al->addr, filter);
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index 357a85b85248..cbdeaad9c5e5 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -2,6 +2,7 @@
#define __PERF_RECORD_H
#include <limits.h>
+#include <stdio.h>
#include "../perf.h"
#include "map.h"
@@ -141,43 +142,54 @@ union perf_event {
void perf_event__print_totals(void);
-struct perf_session;
+struct perf_tool;
struct thread_map;
-typedef int (*perf_event__handler_synth_t)(union perf_event *event,
- struct perf_session *session);
-typedef int (*perf_event__handler_t)(union perf_event *event,
+typedef int (*perf_event__handler_t)(struct perf_tool *tool,
+ union perf_event *event,
struct perf_sample *sample,
- struct perf_session *session);
+ struct machine *machine);
-int perf_event__synthesize_thread_map(struct thread_map *threads,
+int perf_event__synthesize_thread_map(struct perf_tool *tool,
+ struct thread_map *threads,
perf_event__handler_t process,
- struct perf_session *session);
-int perf_event__synthesize_threads(perf_event__handler_t process,
- struct perf_session *session);
-int perf_event__synthesize_kernel_mmap(perf_event__handler_t process,
- struct perf_session *session,
+ struct machine *machine);
+int perf_event__synthesize_threads(struct perf_tool *tool,
+ perf_event__handler_t process,
+ struct machine *machine);
+int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
+ perf_event__handler_t process,
struct machine *machine,
const char *symbol_name);
-int perf_event__synthesize_modules(perf_event__handler_t process,
- struct perf_session *session,
+int perf_event__synthesize_modules(struct perf_tool *tool,
+ perf_event__handler_t process,
struct machine *machine);
-int perf_event__process_comm(union perf_event *event, struct perf_sample *sample,
- struct perf_session *session);
-int perf_event__process_lost(union perf_event *event, struct perf_sample *sample,
- struct perf_session *session);
-int perf_event__process_mmap(union perf_event *event, struct perf_sample *sample,
- struct perf_session *session);
-int perf_event__process_task(union perf_event *event, struct perf_sample *sample,
- struct perf_session *session);
-int perf_event__process(union perf_event *event, struct perf_sample *sample,
- struct perf_session *session);
+int perf_event__process_comm(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine);
+int perf_event__process_lost(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine);
+int perf_event__process_mmap(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine);
+int perf_event__process_task(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine);
+int perf_event__process(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine);
struct addr_location;
int perf_event__preprocess_sample(const union perf_event *self,
- struct perf_session *session,
+ struct machine *machine,
struct addr_location *al,
struct perf_sample *sample,
symbol_filter_t filter);
@@ -187,5 +199,13 @@ const char *perf_event__name(unsigned int id);
int perf_event__parse_sample(const union perf_event *event, u64 type,
int sample_size, bool sample_id_all,
struct perf_sample *sample, bool swapped);
+int perf_event__synthesize_sample(union perf_event *event, u64 type,
+ const struct perf_sample *sample,
+ bool swapped);
+
+size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
+size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
+size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
+size_t perf_event__fprintf(union perf_event *event, FILE *fp);
#endif /* __PERF_RECORD_H */
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index fbb4b4ab9cc6..fa1837088ca8 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -6,12 +6,16 @@
*
* Released under the GPL v2. (and only v2, not any later version)
*/
+#include "util.h"
+#include "debugfs.h"
#include <poll.h>
#include "cpumap.h"
#include "thread_map.h"
#include "evlist.h"
#include "evsel.h"
-#include "util.h"
+#include <unistd.h>
+
+#include "parse-events.h"
#include <sys/mman.h>
@@ -30,6 +34,7 @@ void perf_evlist__init(struct perf_evlist *evlist, struct cpu_map *cpus,
INIT_HLIST_HEAD(&evlist->heads[i]);
INIT_LIST_HEAD(&evlist->entries);
perf_evlist__set_maps(evlist, cpus, threads);
+ evlist->workload.pid = -1;
}
struct perf_evlist *perf_evlist__new(struct cpu_map *cpus,
@@ -43,6 +48,22 @@ struct perf_evlist *perf_evlist__new(struct cpu_map *cpus,
return evlist;
}
+void perf_evlist__config_attrs(struct perf_evlist *evlist,
+ struct perf_record_opts *opts)
+{
+ struct perf_evsel *evsel;
+
+ if (evlist->cpus->map[0] < 0)
+ opts->no_inherit = true;
+
+ list_for_each_entry(evsel, &evlist->entries, node) {
+ perf_evsel__config(evsel, opts);
+
+ if (evlist->nr_entries > 1)
+ evsel->attr.sample_type |= PERF_SAMPLE_ID;
+ }
+}
+
static void perf_evlist__purge(struct perf_evlist *evlist)
{
struct perf_evsel *pos, *n;
@@ -76,6 +97,14 @@ void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry)
++evlist->nr_entries;
}
+static void perf_evlist__splice_list_tail(struct perf_evlist *evlist,
+ struct list_head *list,
+ int nr_entries)
+{
+ list_splice_tail(list, &evlist->entries);
+ evlist->nr_entries += nr_entries;
+}
+
int perf_evlist__add_default(struct perf_evlist *evlist)
{
struct perf_event_attr attr = {
@@ -100,6 +129,126 @@ error:
return -ENOMEM;
}
+int perf_evlist__add_attrs(struct perf_evlist *evlist,
+ struct perf_event_attr *attrs, size_t nr_attrs)
+{
+ struct perf_evsel *evsel, *n;
+ LIST_HEAD(head);
+ size_t i;
+
+ for (i = 0; i < nr_attrs; i++) {
+ evsel = perf_evsel__new(attrs + i, evlist->nr_entries + i);
+ if (evsel == NULL)
+ goto out_delete_partial_list;
+ list_add_tail(&evsel->node, &head);
+ }
+
+ perf_evlist__splice_list_tail(evlist, &head, nr_attrs);
+
+ return 0;
+
+out_delete_partial_list:
+ list_for_each_entry_safe(evsel, n, &head, node)
+ perf_evsel__delete(evsel);
+ return -1;
+}
+
+static int trace_event__id(const char *evname)
+{
+ char *filename, *colon;
+ int err = -1, fd;
+
+ if (asprintf(&filename, "%s/%s/id", tracing_events_path, evname) < 0)
+ return -1;
+
+ colon = strrchr(filename, ':');
+ if (colon != NULL)
+ *colon = '/';
+
+ fd = open(filename, O_RDONLY);
+ if (fd >= 0) {
+ char id[16];
+ if (read(fd, id, sizeof(id)) > 0)
+ err = atoi(id);
+ close(fd);
+ }
+
+ free(filename);
+ return err;
+}
+
+int perf_evlist__add_tracepoints(struct perf_evlist *evlist,
+ const char *tracepoints[],
+ size_t nr_tracepoints)
+{
+ int err;
+ size_t i;
+ struct perf_event_attr *attrs = zalloc(nr_tracepoints * sizeof(*attrs));
+
+ if (attrs == NULL)
+ return -1;
+
+ for (i = 0; i < nr_tracepoints; i++) {
+ err = trace_event__id(tracepoints[i]);
+
+ if (err < 0)
+ goto out_free_attrs;
+
+ attrs[i].type = PERF_TYPE_TRACEPOINT;
+ attrs[i].config = err;
+ attrs[i].sample_type = (PERF_SAMPLE_RAW | PERF_SAMPLE_TIME |
+ PERF_SAMPLE_CPU);
+ attrs[i].sample_period = 1;
+ }
+
+ err = perf_evlist__add_attrs(evlist, attrs, nr_tracepoints);
+out_free_attrs:
+ free(attrs);
+ return err;
+}
+
+static struct perf_evsel *
+ perf_evlist__find_tracepoint_by_id(struct perf_evlist *evlist, int id)
+{
+ struct perf_evsel *evsel;
+
+ list_for_each_entry(evsel, &evlist->entries, node) {
+ if (evsel->attr.type == PERF_TYPE_TRACEPOINT &&
+ (int)evsel->attr.config == id)
+ return evsel;
+ }
+
+ return NULL;
+}
+
+int perf_evlist__set_tracepoints_handlers(struct perf_evlist *evlist,
+ const struct perf_evsel_str_handler *assocs,
+ size_t nr_assocs)
+{
+ struct perf_evsel *evsel;
+ int err;
+ size_t i;
+
+ for (i = 0; i < nr_assocs; i++) {
+ err = trace_event__id(assocs[i].name);
+ if (err < 0)
+ goto out;
+
+ evsel = perf_evlist__find_tracepoint_by_id(evlist, err);
+ if (evsel == NULL)
+ continue;
+
+ err = -EEXIST;
+ if (evsel->handler.func != NULL)
+ goto out;
+ evsel->handler.func = assocs[i].handler;
+ }
+
+ err = 0;
+out:
+ return err;
+}
+
void perf_evlist__disable(struct perf_evlist *evlist)
{
int cpu, thread;
@@ -126,7 +275,7 @@ void perf_evlist__enable(struct perf_evlist *evlist)
}
}
-int perf_evlist__alloc_pollfd(struct perf_evlist *evlist)
+static int perf_evlist__alloc_pollfd(struct perf_evlist *evlist)
{
int nfds = evlist->cpus->nr * evlist->threads->nr * evlist->nr_entries;
evlist->pollfd = malloc(sizeof(struct pollfd) * nfds);
@@ -282,7 +431,7 @@ void perf_evlist__munmap(struct perf_evlist *evlist)
evlist->mmap = NULL;
}
-int perf_evlist__alloc_mmap(struct perf_evlist *evlist)
+static int perf_evlist__alloc_mmap(struct perf_evlist *evlist)
{
evlist->nr_mmaps = evlist->cpus->nr;
if (evlist->cpus->map[0] == -1)
@@ -298,8 +447,10 @@ static int __perf_evlist__mmap(struct perf_evlist *evlist,
evlist->mmap[idx].mask = mask;
evlist->mmap[idx].base = mmap(NULL, evlist->mmap_len, prot,
MAP_SHARED, fd, 0);
- if (evlist->mmap[idx].base == MAP_FAILED)
+ if (evlist->mmap[idx].base == MAP_FAILED) {
+ evlist->mmap[idx].base = NULL;
return -1;
+ }
perf_evlist__add_pollfd(evlist, fd);
return 0;
@@ -400,14 +551,22 @@ out_unmap:
*
* Using perf_evlist__read_on_cpu does this automatically.
*/
-int perf_evlist__mmap(struct perf_evlist *evlist, int pages, bool overwrite)
+int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages,
+ bool overwrite)
{
unsigned int page_size = sysconf(_SC_PAGE_SIZE);
- int mask = pages * page_size - 1;
struct perf_evsel *evsel;
const struct cpu_map *cpus = evlist->cpus;
const struct thread_map *threads = evlist->threads;
- int prot = PROT_READ | (overwrite ? 0 : PROT_WRITE);
+ int prot = PROT_READ | (overwrite ? 0 : PROT_WRITE), mask;
+
+ /* 512 kiB: default amount of unprivileged mlocked memory */
+ if (pages == UINT_MAX)
+ pages = (512 * 1024) / page_size;
+ else if (!is_power_of_2(pages))
+ return -EINVAL;
+
+ mask = pages * page_size - 1;
if (evlist->mmap == NULL && perf_evlist__alloc_mmap(evlist) < 0)
return -ENOMEM;
@@ -512,6 +671,38 @@ u64 perf_evlist__sample_type(const struct perf_evlist *evlist)
return first->attr.sample_type;
}
+u16 perf_evlist__id_hdr_size(const struct perf_evlist *evlist)
+{
+ struct perf_evsel *first;
+ struct perf_sample *data;
+ u64 sample_type;
+ u16 size = 0;
+
+ first = list_entry(evlist->entries.next, struct perf_evsel, node);
+
+ if (!first->attr.sample_id_all)
+ goto out;
+
+ sample_type = first->attr.sample_type;
+
+ if (sample_type & PERF_SAMPLE_TID)
+ size += sizeof(data->tid) * 2;
+
+ if (sample_type & PERF_SAMPLE_TIME)
+ size += sizeof(data->time);
+
+ if (sample_type & PERF_SAMPLE_ID)
+ size += sizeof(data->id);
+
+ if (sample_type & PERF_SAMPLE_STREAM_ID)
+ size += sizeof(data->stream_id);
+
+ if (sample_type & PERF_SAMPLE_CPU)
+ size += sizeof(data->cpu) * 2;
+out:
+ return size;
+}
+
bool perf_evlist__valid_sample_id_all(const struct perf_evlist *evlist)
{
struct perf_evsel *pos, *first;
@@ -569,3 +760,97 @@ out_err:
return err;
}
+
+int perf_evlist__prepare_workload(struct perf_evlist *evlist,
+ struct perf_record_opts *opts,
+ const char *argv[])
+{
+ int child_ready_pipe[2], go_pipe[2];
+ char bf;
+
+ if (pipe(child_ready_pipe) < 0) {
+ perror("failed to create 'ready' pipe");
+ return -1;
+ }
+
+ if (pipe(go_pipe) < 0) {
+ perror("failed to create 'go' pipe");
+ goto out_close_ready_pipe;
+ }
+
+ evlist->workload.pid = fork();
+ if (evlist->workload.pid < 0) {
+ perror("failed to fork");
+ goto out_close_pipes;
+ }
+
+ if (!evlist->workload.pid) {
+ if (opts->pipe_output)
+ dup2(2, 1);
+
+ close(child_ready_pipe[0]);
+ close(go_pipe[1]);
+ fcntl(go_pipe[0], F_SETFD, FD_CLOEXEC);
+
+ /*
+ * Do a dummy execvp to get the PLT entry resolved,
+ * so we avoid the resolver overhead on the real
+ * execvp call.
+ */
+ execvp("", (char **)argv);
+
+ /*
+ * Tell the parent we're ready to go
+ */
+ close(child_ready_pipe[1]);
+
+ /*
+ * Wait until the parent tells us to go.
+ */
+ if (read(go_pipe[0], &bf, 1) == -1)
+ perror("unable to read pipe");
+
+ execvp(argv[0], (char **)argv);
+
+ perror(argv[0]);
+ kill(getppid(), SIGUSR1);
+ exit(-1);
+ }
+
+ if (!opts->system_wide && opts->target_tid == -1 && opts->target_pid == -1)
+ evlist->threads->map[0] = evlist->workload.pid;
+
+ close(child_ready_pipe[1]);
+ close(go_pipe[0]);
+ /*
+ * wait for child to settle
+ */
+ if (read(child_ready_pipe[0], &bf, 1) == -1) {
+ perror("unable to read pipe");
+ goto out_close_pipes;
+ }
+
+ evlist->workload.cork_fd = go_pipe[1];
+ close(child_ready_pipe[0]);
+ return 0;
+
+out_close_pipes:
+ close(go_pipe[0]);
+ close(go_pipe[1]);
+out_close_ready_pipe:
+ close(child_ready_pipe[0]);
+ close(child_ready_pipe[1]);
+ return -1;
+}
+
+int perf_evlist__start_workload(struct perf_evlist *evlist)
+{
+ if (evlist->workload.cork_fd > 0) {
+ /*
+ * Remove the cork, let it rip!
+ */
+ return close(evlist->workload.cork_fd);
+ }
+
+ return 0;
+}
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 1779ffef7828..8922aeed0467 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -2,12 +2,16 @@
#define __PERF_EVLIST_H 1
#include <linux/list.h>
+#include <stdio.h>
#include "../perf.h"
#include "event.h"
+#include "util.h"
+#include <unistd.h>
struct pollfd;
struct thread_map;
struct cpu_map;
+struct perf_record_opts;
#define PERF_EVLIST__HLIST_BITS 8
#define PERF_EVLIST__HLIST_SIZE (1 << PERF_EVLIST__HLIST_BITS)
@@ -19,6 +23,10 @@ struct perf_evlist {
int nr_fds;
int nr_mmaps;
int mmap_len;
+ struct {
+ int cork_fd;
+ pid_t pid;
+ } workload;
bool overwrite;
union perf_event event_copy;
struct perf_mmap *mmap;
@@ -28,6 +36,11 @@ struct perf_evlist {
struct perf_evsel *selected;
};
+struct perf_evsel_str_handler {
+ const char *name;
+ void *handler;
+};
+
struct perf_evsel;
struct perf_evlist *perf_evlist__new(struct cpu_map *cpus,
@@ -39,11 +52,26 @@ void perf_evlist__delete(struct perf_evlist *evlist);
void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry);
int perf_evlist__add_default(struct perf_evlist *evlist);
+int perf_evlist__add_attrs(struct perf_evlist *evlist,
+ struct perf_event_attr *attrs, size_t nr_attrs);
+int perf_evlist__add_tracepoints(struct perf_evlist *evlist,
+ const char *tracepoints[], size_t nr_tracepoints);
+int perf_evlist__set_tracepoints_handlers(struct perf_evlist *evlist,
+ const struct perf_evsel_str_handler *assocs,
+ size_t nr_assocs);
+
+#define perf_evlist__add_attrs_array(evlist, array) \
+ perf_evlist__add_attrs(evlist, array, ARRAY_SIZE(array))
+
+#define perf_evlist__add_tracepoints_array(evlist, array) \
+ perf_evlist__add_tracepoints(evlist, array, ARRAY_SIZE(array))
+
+#define perf_evlist__set_tracepoints_handlers_array(evlist, array) \
+ perf_evlist__set_tracepoints_handlers(evlist, array, ARRAY_SIZE(array))
void perf_evlist__id_add(struct perf_evlist *evlist, struct perf_evsel *evsel,
int cpu, int thread, u64 id);
-int perf_evlist__alloc_pollfd(struct perf_evlist *evlist);
void perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd);
struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id);
@@ -52,8 +80,16 @@ union perf_event *perf_evlist__mmap_read(struct perf_evlist *self, int idx);
int perf_evlist__open(struct perf_evlist *evlist, bool group);
-int perf_evlist__alloc_mmap(struct perf_evlist *evlist);
-int perf_evlist__mmap(struct perf_evlist *evlist, int pages, bool overwrite);
+void perf_evlist__config_attrs(struct perf_evlist *evlist,
+ struct perf_record_opts *opts);
+
+int perf_evlist__prepare_workload(struct perf_evlist *evlist,
+ struct perf_record_opts *opts,
+ const char *argv[]);
+int perf_evlist__start_workload(struct perf_evlist *evlist);
+
+int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages,
+ bool overwrite);
void perf_evlist__munmap(struct perf_evlist *evlist);
void perf_evlist__disable(struct perf_evlist *evlist);
@@ -77,6 +113,7 @@ int perf_evlist__set_filters(struct perf_evlist *evlist);
u64 perf_evlist__sample_type(const struct perf_evlist *evlist);
bool perf_evlist__sample_id_all(const const struct perf_evlist *evlist);
+u16 perf_evlist__id_hdr_size(const struct perf_evlist *evlist);
bool perf_evlist__valid_sample_type(const struct perf_evlist *evlist);
bool perf_evlist__valid_sample_id_all(const struct perf_evlist *evlist);
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index d7915d4e77cb..667f3b78bb2c 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -63,6 +63,79 @@ struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx)
return evsel;
}
+void perf_evsel__config(struct perf_evsel *evsel, struct perf_record_opts *opts)
+{
+ struct perf_event_attr *attr = &evsel->attr;
+ int track = !evsel->idx; /* only the first counter needs these */
+
+ attr->sample_id_all = opts->sample_id_all_avail ? 1 : 0;
+ attr->inherit = !opts->no_inherit;
+ attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED |
+ PERF_FORMAT_TOTAL_TIME_RUNNING |
+ PERF_FORMAT_ID;
+
+ attr->sample_type |= PERF_SAMPLE_IP | PERF_SAMPLE_TID;
+
+ /*
+ * We default some events to a 1 default interval. But keep
+ * it a weak assumption overridable by the user.
+ */
+ if (!attr->sample_period || (opts->user_freq != UINT_MAX &&
+ opts->user_interval != ULLONG_MAX)) {
+ if (opts->freq) {
+ attr->sample_type |= PERF_SAMPLE_PERIOD;
+ attr->freq = 1;
+ attr->sample_freq = opts->freq;
+ } else {
+ attr->sample_period = opts->default_interval;
+ }
+ }
+
+ if (opts->no_samples)
+ attr->sample_freq = 0;
+
+ if (opts->inherit_stat)
+ attr->inherit_stat = 1;
+
+ if (opts->sample_address) {
+ attr->sample_type |= PERF_SAMPLE_ADDR;
+ attr->mmap_data = track;
+ }
+
+ if (opts->call_graph)
+ attr->sample_type |= PERF_SAMPLE_CALLCHAIN;
+
+ if (opts->system_wide)
+ attr->sample_type |= PERF_SAMPLE_CPU;
+
+ if (opts->period)
+ attr->sample_type |= PERF_SAMPLE_PERIOD;
+
+ if (opts->sample_id_all_avail &&
+ (opts->sample_time || opts->system_wide ||
+ !opts->no_inherit || opts->cpu_list))
+ attr->sample_type |= PERF_SAMPLE_TIME;
+
+ if (opts->raw_samples) {
+ attr->sample_type |= PERF_SAMPLE_TIME;
+ attr->sample_type |= PERF_SAMPLE_RAW;
+ attr->sample_type |= PERF_SAMPLE_CPU;
+ }
+
+ if (opts->no_delay) {
+ attr->watermark = 0;
+ attr->wakeup_events = 1;
+ }
+
+ attr->mmap = track;
+ attr->comm = track;
+
+ if (opts->target_pid == -1 && opts->target_tid == -1 && !opts->system_wide) {
+ attr->disabled = 1;
+ attr->enable_on_exec = 1;
+ }
+}
+
int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads)
{
int cpu, thread;
@@ -387,7 +460,7 @@ int perf_event__parse_sample(const union perf_event *event, u64 type,
u32 val32[2];
} u;
-
+ memset(data, 0, sizeof(*data));
data->cpu = data->pid = data->tid = -1;
data->stream_id = data->id = data->time = -1ULL;
@@ -504,3 +577,82 @@ int perf_event__parse_sample(const union perf_event *event, u64 type,
return 0;
}
+
+int perf_event__synthesize_sample(union perf_event *event, u64 type,
+ const struct perf_sample *sample,
+ bool swapped)
+{
+ u64 *array;
+
+ /*
+ * used for cross-endian analysis. See git commit 65014ab3
+ * for why this goofiness is needed.
+ */
+ union {
+ u64 val64;
+ u32 val32[2];
+ } u;
+
+ array = event->sample.array;
+
+ if (type & PERF_SAMPLE_IP) {
+ event->ip.ip = sample->ip;
+ array++;
+ }
+
+ if (type & PERF_SAMPLE_TID) {
+ u.val32[0] = sample->pid;
+ u.val32[1] = sample->tid;
+ if (swapped) {
+ /*
+ * Inverse of what is done in perf_event__parse_sample
+ */
+ u.val32[0] = bswap_32(u.val32[0]);
+ u.val32[1] = bswap_32(u.val32[1]);
+ u.val64 = bswap_64(u.val64);
+ }
+
+ *array = u.val64;
+ array++;
+ }
+
+ if (type & PERF_SAMPLE_TIME) {
+ *array = sample->time;
+ array++;
+ }
+
+ if (type & PERF_SAMPLE_ADDR) {
+ *array = sample->addr;
+ array++;
+ }
+
+ if (type & PERF_SAMPLE_ID) {
+ *array = sample->id;
+ array++;
+ }
+
+ if (type & PERF_SAMPLE_STREAM_ID) {
+ *array = sample->stream_id;
+ array++;
+ }
+
+ if (type & PERF_SAMPLE_CPU) {
+ u.val32[0] = sample->cpu;
+ if (swapped) {
+ /*
+ * Inverse of what is done in perf_event__parse_sample
+ */
+ u.val32[0] = bswap_32(u.val32[0]);
+ u.val64 = bswap_64(u.val64);
+ }
+ *array = u.val64;
+ array++;
+ }
+
+ if (type & PERF_SAMPLE_PERIOD) {
+ *array = sample->period;
+ array++;
+ }
+
+ return 0;
+}
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index b1d15e6f7ae3..326b8e4d5035 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -61,12 +61,17 @@ struct perf_evsel {
off_t id_offset;
};
struct cgroup_sel *cgrp;
+ struct {
+ void *func;
+ void *data;
+ } handler;
bool supported;
};
struct cpu_map;
struct thread_map;
struct perf_evlist;
+struct perf_record_opts;
struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx);
void perf_evsel__init(struct perf_evsel *evsel,
@@ -74,6 +79,9 @@ void perf_evsel__init(struct perf_evsel *evsel,
void perf_evsel__exit(struct perf_evsel *evsel);
void perf_evsel__delete(struct perf_evsel *evsel);
+void perf_evsel__config(struct perf_evsel *evsel,
+ struct perf_record_opts *opts);
+
int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus);
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 33c17a2b2a81..3e7e0b09c12c 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -8,6 +8,7 @@
#include <stdlib.h>
#include <linux/list.h>
#include <linux/kernel.h>
+#include <linux/bitops.h>
#include <sys/utsname.h>
#include "evlist.h"
@@ -28,9 +29,6 @@ static struct perf_trace_event_type *events;
static u32 header_argc;
static const char **header_argv;
-static int dsos__write_buildid_table(struct perf_header *header, int fd);
-static int perf_session__cache_build_ids(struct perf_session *session);
-
int perf_header__push_event(u64 id, const char *name)
{
if (strlen(name) > MAX_EVENT_NAME)
@@ -187,6 +185,252 @@ perf_header__set_cmdline(int argc, const char **argv)
return 0;
}
+#define dsos__for_each_with_build_id(pos, head) \
+ list_for_each_entry(pos, head, node) \
+ if (!pos->has_build_id) \
+ continue; \
+ else
+
+static int __dsos__write_buildid_table(struct list_head *head, pid_t pid,
+ u16 misc, int fd)
+{
+ struct dso *pos;
+
+ dsos__for_each_with_build_id(pos, head) {
+ int err;
+ struct build_id_event b;
+ size_t len;
+
+ if (!pos->hit)
+ continue;
+ len = pos->long_name_len + 1;
+ len = ALIGN(len, NAME_ALIGN);
+ memset(&b, 0, sizeof(b));
+ memcpy(&b.build_id, pos->build_id, sizeof(pos->build_id));
+ b.pid = pid;
+ b.header.misc = misc;
+ b.header.size = sizeof(b) + len;
+ err = do_write(fd, &b, sizeof(b));
+ if (err < 0)
+ return err;
+ err = write_padded(fd, pos->long_name,
+ pos->long_name_len + 1, len);
+ if (err < 0)
+ return err;
+ }
+
+ return 0;
+}
+
+static int machine__write_buildid_table(struct machine *machine, int fd)
+{
+ int err;
+ u16 kmisc = PERF_RECORD_MISC_KERNEL,
+ umisc = PERF_RECORD_MISC_USER;
+
+ if (!machine__is_host(machine)) {
+ kmisc = PERF_RECORD_MISC_GUEST_KERNEL;
+ umisc = PERF_RECORD_MISC_GUEST_USER;
+ }
+
+ err = __dsos__write_buildid_table(&machine->kernel_dsos, machine->pid,
+ kmisc, fd);
+ if (err == 0)
+ err = __dsos__write_buildid_table(&machine->user_dsos,
+ machine->pid, umisc, fd);
+ return err;
+}
+
+static int dsos__write_buildid_table(struct perf_header *header, int fd)
+{
+ struct perf_session *session = container_of(header,
+ struct perf_session, header);
+ struct rb_node *nd;
+ int err = machine__write_buildid_table(&session->host_machine, fd);
+
+ if (err)
+ return err;
+
+ for (nd = rb_first(&session->machines); nd; nd = rb_next(nd)) {
+ struct machine *pos = rb_entry(nd, struct machine, rb_node);
+ err = machine__write_buildid_table(pos, fd);
+ if (err)
+ break;
+ }
+ return err;
+}
+
+int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
+ const char *name, bool is_kallsyms)
+{
+ const size_t size = PATH_MAX;
+ char *realname, *filename = zalloc(size),
+ *linkname = zalloc(size), *targetname;
+ int len, err = -1;
+
+ if (is_kallsyms) {
+ if (symbol_conf.kptr_restrict) {
+ pr_debug("Not caching a kptr_restrict'ed /proc/kallsyms\n");
+ return 0;
+ }
+ realname = (char *)name;
+ } else
+ realname = realpath(name, NULL);
+
+ if (realname == NULL || filename == NULL || linkname == NULL)
+ goto out_free;
+
+ len = snprintf(filename, size, "%s%s%s",
+ debugdir, is_kallsyms ? "/" : "", realname);
+ if (mkdir_p(filename, 0755))
+ goto out_free;
+
+ snprintf(filename + len, sizeof(filename) - len, "/%s", sbuild_id);
+
+ if (access(filename, F_OK)) {
+ if (is_kallsyms) {
+ if (copyfile("/proc/kallsyms", filename))
+ goto out_free;
+ } else if (link(realname, filename) && copyfile(name, filename))
+ goto out_free;
+ }
+
+ len = snprintf(linkname, size, "%s/.build-id/%.2s",
+ debugdir, sbuild_id);
+
+ if (access(linkname, X_OK) && mkdir_p(linkname, 0755))
+ goto out_free;
+
+ snprintf(linkname + len, size - len, "/%s", sbuild_id + 2);
+ targetname = filename + strlen(debugdir) - 5;
+ memcpy(targetname, "../..", 5);
+
+ if (symlink(targetname, linkname) == 0)
+ err = 0;
+out_free:
+ if (!is_kallsyms)
+ free(realname);
+ free(filename);
+ free(linkname);
+ return err;
+}
+
+static int build_id_cache__add_b(const u8 *build_id, size_t build_id_size,
+ const char *name, const char *debugdir,
+ bool is_kallsyms)
+{
+ char sbuild_id[BUILD_ID_SIZE * 2 + 1];
+
+ build_id__sprintf(build_id, build_id_size, sbuild_id);
+
+ return build_id_cache__add_s(sbuild_id, debugdir, name, is_kallsyms);
+}
+
+int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir)
+{
+ const size_t size = PATH_MAX;
+ char *filename = zalloc(size),
+ *linkname = zalloc(size);
+ int err = -1;
+
+ if (filename == NULL || linkname == NULL)
+ goto out_free;
+
+ snprintf(linkname, size, "%s/.build-id/%.2s/%s",
+ debugdir, sbuild_id, sbuild_id + 2);
+
+ if (access(linkname, F_OK))
+ goto out_free;
+
+ if (readlink(linkname, filename, size - 1) < 0)
+ goto out_free;
+
+ if (unlink(linkname))
+ goto out_free;
+
+ /*
+ * Since the link is relative, we must make it absolute:
+ */
+ snprintf(linkname, size, "%s/.build-id/%.2s/%s",
+ debugdir, sbuild_id, filename);
+
+ if (unlink(linkname))
+ goto out_free;
+
+ err = 0;
+out_free:
+ free(filename);
+ free(linkname);
+ return err;
+}
+
+static int dso__cache_build_id(struct dso *dso, const char *debugdir)
+{
+ bool is_kallsyms = dso->kernel && dso->long_name[0] != '/';
+
+ return build_id_cache__add_b(dso->build_id, sizeof(dso->build_id),
+ dso->long_name, debugdir, is_kallsyms);
+}
+
+static int __dsos__cache_build_ids(struct list_head *head, const char *debugdir)
+{
+ struct dso *pos;
+ int err = 0;
+
+ dsos__for_each_with_build_id(pos, head)
+ if (dso__cache_build_id(pos, debugdir))
+ err = -1;
+
+ return err;
+}
+
+static int machine__cache_build_ids(struct machine *machine, const char *debugdir)
+{
+ int ret = __dsos__cache_build_ids(&machine->kernel_dsos, debugdir);
+ ret |= __dsos__cache_build_ids(&machine->user_dsos, debugdir);
+ return ret;
+}
+
+static int perf_session__cache_build_ids(struct perf_session *session)
+{
+ struct rb_node *nd;
+ int ret;
+ char debugdir[PATH_MAX];
+
+ snprintf(debugdir, sizeof(debugdir), "%s", buildid_dir);
+
+ if (mkdir(debugdir, 0755) != 0 && errno != EEXIST)
+ return -1;
+
+ ret = machine__cache_build_ids(&session->host_machine, debugdir);
+
+ for (nd = rb_first(&session->machines); nd; nd = rb_next(nd)) {
+ struct machine *pos = rb_entry(nd, struct machine, rb_node);
+ ret |= machine__cache_build_ids(pos, debugdir);
+ }
+ return ret ? -1 : 0;
+}
+
+static bool machine__read_build_ids(struct machine *machine, bool with_hits)
+{
+ bool ret = __dsos__read_build_ids(&machine->kernel_dsos, with_hits);
+ ret |= __dsos__read_build_ids(&machine->user_dsos, with_hits);
+ return ret;
+}
+
+static bool perf_session__read_build_ids(struct perf_session *session, bool with_hits)
+{
+ struct rb_node *nd;
+ bool ret = machine__read_build_ids(&session->host_machine, with_hits);
+
+ for (nd = rb_first(&session->machines); nd; nd = rb_next(nd)) {
+ struct machine *pos = rb_entry(nd, struct machine, rb_node);
+ ret |= machine__read_build_ids(pos, with_hits);
+ }
+
+ return ret;
+}
+
static int write_trace_info(int fd, struct perf_header *h __used,
struct perf_evlist *evlist)
{
@@ -202,6 +446,9 @@ static int write_build_id(int fd, struct perf_header *h,
session = container_of(h, struct perf_session, header);
+ if (!perf_session__read_build_ids(session, true))
+ return -1;
+
err = dsos__write_buildid_table(h, fd);
if (err < 0) {
pr_debug("failed to write buildid table\n");
@@ -1065,26 +1312,30 @@ struct feature_ops {
bool full_only;
};
-#define FEAT_OPA(n, w, p) \
- [n] = { .name = #n, .write = w, .print = p }
-#define FEAT_OPF(n, w, p) \
- [n] = { .name = #n, .write = w, .print = p, .full_only = true }
+#define FEAT_OPA(n, func) \
+ [n] = { .name = #n, .write = write_##func, .print = print_##func }
+#define FEAT_OPF(n, func) \
+ [n] = { .name = #n, .write = write_##func, .print = print_##func, .full_only = true }
+
+/* feature_ops not implemented: */
+#define print_trace_info NULL
+#define print_build_id NULL
static const struct feature_ops feat_ops[HEADER_LAST_FEATURE] = {
- FEAT_OPA(HEADER_TRACE_INFO, write_trace_info, NULL),
- FEAT_OPA(HEADER_BUILD_ID, write_build_id, NULL),
- FEAT_OPA(HEADER_HOSTNAME, write_hostname, print_hostname),
- FEAT_OPA(HEADER_OSRELEASE, write_osrelease, print_osrelease),
- FEAT_OPA(HEADER_VERSION, write_version, print_version),
- FEAT_OPA(HEADER_ARCH, write_arch, print_arch),
- FEAT_OPA(HEADER_NRCPUS, write_nrcpus, print_nrcpus),
- FEAT_OPA(HEADER_CPUDESC, write_cpudesc, print_cpudesc),
- FEAT_OPA(HEADER_CPUID, write_cpuid, print_cpuid),
- FEAT_OPA(HEADER_TOTAL_MEM, write_total_mem, print_total_mem),
- FEAT_OPA(HEADER_EVENT_DESC, write_event_desc, print_event_desc),
- FEAT_OPA(HEADER_CMDLINE, write_cmdline, print_cmdline),
- FEAT_OPF(HEADER_CPU_TOPOLOGY, write_cpu_topology, print_cpu_topology),
- FEAT_OPF(HEADER_NUMA_TOPOLOGY, write_numa_topology, print_numa_topology),
+ FEAT_OPA(HEADER_TRACE_INFO, trace_info),
+ FEAT_OPA(HEADER_BUILD_ID, build_id),
+ FEAT_OPA(HEADER_HOSTNAME, hostname),
+ FEAT_OPA(HEADER_OSRELEASE, osrelease),
+ FEAT_OPA(HEADER_VERSION, version),
+ FEAT_OPA(HEADER_ARCH, arch),
+ FEAT_OPA(HEADER_NRCPUS, nrcpus),
+ FEAT_OPA(HEADER_CPUDESC, cpudesc),
+ FEAT_OPA(HEADER_CPUID, cpuid),
+ FEAT_OPA(HEADER_TOTAL_MEM, total_mem),
+ FEAT_OPA(HEADER_EVENT_DESC, event_desc),
+ FEAT_OPA(HEADER_CMDLINE, cmdline),
+ FEAT_OPF(HEADER_CPU_TOPOLOGY, cpu_topology),
+ FEAT_OPF(HEADER_NUMA_TOPOLOGY, numa_topology),
};
struct header_print_data {
@@ -1103,9 +1354,9 @@ static int perf_file_section__fprintf_info(struct perf_file_section *section,
"%d, continuing...\n", section->offset, feat);
return 0;
}
- if (feat < HEADER_TRACE_INFO || feat >= HEADER_LAST_FEATURE) {
+ if (feat >= HEADER_LAST_FEATURE) {
pr_warning("unknown feature %d\n", feat);
- return -1;
+ return 0;
}
if (!feat_ops[feat].print)
return 0;
@@ -1132,252 +1383,6 @@ int perf_header__fprintf_info(struct perf_session *session, FILE *fp, bool full)
return 0;
}
-#define dsos__for_each_with_build_id(pos, head) \
- list_for_each_entry(pos, head, node) \
- if (!pos->has_build_id) \
- continue; \
- else
-
-static int __dsos__write_buildid_table(struct list_head *head, pid_t pid,
- u16 misc, int fd)
-{
- struct dso *pos;
-
- dsos__for_each_with_build_id(pos, head) {
- int err;
- struct build_id_event b;
- size_t len;
-
- if (!pos->hit)
- continue;
- len = pos->long_name_len + 1;
- len = ALIGN(len, NAME_ALIGN);
- memset(&b, 0, sizeof(b));
- memcpy(&b.build_id, pos->build_id, sizeof(pos->build_id));
- b.pid = pid;
- b.header.misc = misc;
- b.header.size = sizeof(b) + len;
- err = do_write(fd, &b, sizeof(b));
- if (err < 0)
- return err;
- err = write_padded(fd, pos->long_name,
- pos->long_name_len + 1, len);
- if (err < 0)
- return err;
- }
-
- return 0;
-}
-
-static int machine__write_buildid_table(struct machine *machine, int fd)
-{
- int err;
- u16 kmisc = PERF_RECORD_MISC_KERNEL,
- umisc = PERF_RECORD_MISC_USER;
-
- if (!machine__is_host(machine)) {
- kmisc = PERF_RECORD_MISC_GUEST_KERNEL;
- umisc = PERF_RECORD_MISC_GUEST_USER;
- }
-
- err = __dsos__write_buildid_table(&machine->kernel_dsos, machine->pid,
- kmisc, fd);
- if (err == 0)
- err = __dsos__write_buildid_table(&machine->user_dsos,
- machine->pid, umisc, fd);
- return err;
-}
-
-static int dsos__write_buildid_table(struct perf_header *header, int fd)
-{
- struct perf_session *session = container_of(header,
- struct perf_session, header);
- struct rb_node *nd;
- int err = machine__write_buildid_table(&session->host_machine, fd);
-
- if (err)
- return err;
-
- for (nd = rb_first(&session->machines); nd; nd = rb_next(nd)) {
- struct machine *pos = rb_entry(nd, struct machine, rb_node);
- err = machine__write_buildid_table(pos, fd);
- if (err)
- break;
- }
- return err;
-}
-
-int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
- const char *name, bool is_kallsyms)
-{
- const size_t size = PATH_MAX;
- char *realname, *filename = zalloc(size),
- *linkname = zalloc(size), *targetname;
- int len, err = -1;
-
- if (is_kallsyms) {
- if (symbol_conf.kptr_restrict) {
- pr_debug("Not caching a kptr_restrict'ed /proc/kallsyms\n");
- return 0;
- }
- realname = (char *)name;
- } else
- realname = realpath(name, NULL);
-
- if (realname == NULL || filename == NULL || linkname == NULL)
- goto out_free;
-
- len = snprintf(filename, size, "%s%s%s",
- debugdir, is_kallsyms ? "/" : "", realname);
- if (mkdir_p(filename, 0755))
- goto out_free;
-
- snprintf(filename + len, sizeof(filename) - len, "/%s", sbuild_id);
-
- if (access(filename, F_OK)) {
- if (is_kallsyms) {
- if (copyfile("/proc/kallsyms", filename))
- goto out_free;
- } else if (link(realname, filename) && copyfile(name, filename))
- goto out_free;
- }
-
- len = snprintf(linkname, size, "%s/.build-id/%.2s",
- debugdir, sbuild_id);
-
- if (access(linkname, X_OK) && mkdir_p(linkname, 0755))
- goto out_free;
-
- snprintf(linkname + len, size - len, "/%s", sbuild_id + 2);
- targetname = filename + strlen(debugdir) - 5;
- memcpy(targetname, "../..", 5);
-
- if (symlink(targetname, linkname) == 0)
- err = 0;
-out_free:
- if (!is_kallsyms)
- free(realname);
- free(filename);
- free(linkname);
- return err;
-}
-
-static int build_id_cache__add_b(const u8 *build_id, size_t build_id_size,
- const char *name, const char *debugdir,
- bool is_kallsyms)
-{
- char sbuild_id[BUILD_ID_SIZE * 2 + 1];
-
- build_id__sprintf(build_id, build_id_size, sbuild_id);
-
- return build_id_cache__add_s(sbuild_id, debugdir, name, is_kallsyms);
-}
-
-int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir)
-{
- const size_t size = PATH_MAX;
- char *filename = zalloc(size),
- *linkname = zalloc(size);
- int err = -1;
-
- if (filename == NULL || linkname == NULL)
- goto out_free;
-
- snprintf(linkname, size, "%s/.build-id/%.2s/%s",
- debugdir, sbuild_id, sbuild_id + 2);
-
- if (access(linkname, F_OK))
- goto out_free;
-
- if (readlink(linkname, filename, size - 1) < 0)
- goto out_free;
-
- if (unlink(linkname))
- goto out_free;
-
- /*
- * Since the link is relative, we must make it absolute:
- */
- snprintf(linkname, size, "%s/.build-id/%.2s/%s",
- debugdir, sbuild_id, filename);
-
- if (unlink(linkname))
- goto out_free;
-
- err = 0;
-out_free:
- free(filename);
- free(linkname);
- return err;
-}
-
-static int dso__cache_build_id(struct dso *dso, const char *debugdir)
-{
- bool is_kallsyms = dso->kernel && dso->long_name[0] != '/';
-
- return build_id_cache__add_b(dso->build_id, sizeof(dso->build_id),
- dso->long_name, debugdir, is_kallsyms);
-}
-
-static int __dsos__cache_build_ids(struct list_head *head, const char *debugdir)
-{
- struct dso *pos;
- int err = 0;
-
- dsos__for_each_with_build_id(pos, head)
- if (dso__cache_build_id(pos, debugdir))
- err = -1;
-
- return err;
-}
-
-static int machine__cache_build_ids(struct machine *machine, const char *debugdir)
-{
- int ret = __dsos__cache_build_ids(&machine->kernel_dsos, debugdir);
- ret |= __dsos__cache_build_ids(&machine->user_dsos, debugdir);
- return ret;
-}
-
-static int perf_session__cache_build_ids(struct perf_session *session)
-{
- struct rb_node *nd;
- int ret;
- char debugdir[PATH_MAX];
-
- snprintf(debugdir, sizeof(debugdir), "%s", buildid_dir);
-
- if (mkdir(debugdir, 0755) != 0 && errno != EEXIST)
- return -1;
-
- ret = machine__cache_build_ids(&session->host_machine, debugdir);
-
- for (nd = rb_first(&session->machines); nd; nd = rb_next(nd)) {
- struct machine *pos = rb_entry(nd, struct machine, rb_node);
- ret |= machine__cache_build_ids(pos, debugdir);
- }
- return ret ? -1 : 0;
-}
-
-static bool machine__read_build_ids(struct machine *machine, bool with_hits)
-{
- bool ret = __dsos__read_build_ids(&machine->kernel_dsos, with_hits);
- ret |= __dsos__read_build_ids(&machine->user_dsos, with_hits);
- return ret;
-}
-
-static bool perf_session__read_build_ids(struct perf_session *session, bool with_hits)
-{
- struct rb_node *nd;
- bool ret = machine__read_build_ids(&session->host_machine, with_hits);
-
- for (nd = rb_first(&session->machines); nd; nd = rb_next(nd)) {
- struct machine *pos = rb_entry(nd, struct machine, rb_node);
- ret |= machine__read_build_ids(pos, with_hits);
- }
-
- return ret;
-}
-
static int do_write_feat(int fd, struct perf_header *h, int type,
struct perf_file_section **p,
struct perf_evlist *evlist)
@@ -1386,6 +1391,8 @@ static int do_write_feat(int fd, struct perf_header *h, int type,
int ret = 0;
if (perf_header__has_feat(h, type)) {
+ if (!feat_ops[type].write)
+ return -1;
(*p)->offset = lseek(fd, 0, SEEK_CUR);
@@ -1408,18 +1415,12 @@ static int perf_header__adds_write(struct perf_header *header,
struct perf_evlist *evlist, int fd)
{
int nr_sections;
- struct perf_session *session;
struct perf_file_section *feat_sec, *p;
int sec_size;
u64 sec_start;
+ int feat;
int err;
- session = container_of(header, struct perf_session, header);
-
- if (perf_header__has_feat(header, HEADER_BUILD_ID &&
- !perf_session__read_build_ids(session, true)))
- perf_header__clear_feat(header, HEADER_BUILD_ID);
-
nr_sections = bitmap_weight(header->adds_features, HEADER_FEAT_BITS);
if (!nr_sections)
return 0;
@@ -1433,64 +1434,11 @@ static int perf_header__adds_write(struct perf_header *header,
sec_start = header->data_offset + header->data_size;
lseek(fd, sec_start + sec_size, SEEK_SET);
- err = do_write_feat(fd, header, HEADER_TRACE_INFO, &p, evlist);
- if (err)
- goto out_free;
-
- err = do_write_feat(fd, header, HEADER_BUILD_ID, &p, evlist);
- if (err) {
- perf_header__clear_feat(header, HEADER_BUILD_ID);
- goto out_free;
+ for_each_set_bit(feat, header->adds_features, HEADER_FEAT_BITS) {
+ if (do_write_feat(fd, header, feat, &p, evlist))
+ perf_header__clear_feat(header, feat);
}
- err = do_write_feat(fd, header, HEADER_HOSTNAME, &p, evlist);
- if (err)
- perf_header__clear_feat(header, HEADER_HOSTNAME);
-
- err = do_write_feat(fd, header, HEADER_OSRELEASE, &p, evlist);
- if (err)
- perf_header__clear_feat(header, HEADER_OSRELEASE);
-
- err = do_write_feat(fd, header, HEADER_VERSION, &p, evlist);
- if (err)
- perf_header__clear_feat(header, HEADER_VERSION);
-
- err = do_write_feat(fd, header, HEADER_ARCH, &p, evlist);
- if (err)
- perf_header__clear_feat(header, HEADER_ARCH);
-
- err = do_write_feat(fd, header, HEADER_NRCPUS, &p, evlist);
- if (err)
- perf_header__clear_feat(header, HEADER_NRCPUS);
-
- err = do_write_feat(fd, header, HEADER_CPUDESC, &p, evlist);
- if (err)
- perf_header__clear_feat(header, HEADER_CPUDESC);
-
- err = do_write_feat(fd, header, HEADER_CPUID, &p, evlist);
- if (err)
- perf_header__clear_feat(header, HEADER_CPUID);
-
- err = do_write_feat(fd, header, HEADER_TOTAL_MEM, &p, evlist);
- if (err)
- perf_header__clear_feat(header, HEADER_TOTAL_MEM);
-
- err = do_write_feat(fd, header, HEADER_CMDLINE, &p, evlist);
- if (err)
- perf_header__clear_feat(header, HEADER_CMDLINE);
-
- err = do_write_feat(fd, header, HEADER_EVENT_DESC, &p, evlist);
- if (err)
- perf_header__clear_feat(header, HEADER_EVENT_DESC);
-
- err = do_write_feat(fd, header, HEADER_CPU_TOPOLOGY, &p, evlist);
- if (err)
- perf_header__clear_feat(header, HEADER_CPU_TOPOLOGY);
-
- err = do_write_feat(fd, header, HEADER_NUMA_TOPOLOGY, &p, evlist);
- if (err)
- perf_header__clear_feat(header, HEADER_NUMA_TOPOLOGY);
-
lseek(fd, sec_start, SEEK_SET);
/*
* may write more than needed due to dropped feature, but
@@ -1499,7 +1447,6 @@ static int perf_header__adds_write(struct perf_header *header,
err = do_write(fd, feat_sec, sec_size);
if (err < 0)
pr_debug("failed to write feature section\n");
-out_free:
free(feat_sec);
return err;
}
@@ -1637,20 +1584,20 @@ static int perf_header__getbuffer64(struct perf_header *header,
int perf_header__process_sections(struct perf_header *header, int fd,
void *data,
int (*process)(struct perf_file_section *section,
- struct perf_header *ph,
- int feat, int fd, void *data))
+ struct perf_header *ph,
+ int feat, int fd, void *data))
{
- struct perf_file_section *feat_sec;
+ struct perf_file_section *feat_sec, *sec;
int nr_sections;
int sec_size;
- int idx = 0;
- int err = -1, feat = 1;
+ int feat;
+ int err;
nr_sections = bitmap_weight(header->adds_features, HEADER_FEAT_BITS);
if (!nr_sections)
return 0;
- feat_sec = calloc(sizeof(*feat_sec), nr_sections);
+ feat_sec = sec = calloc(sizeof(*feat_sec), nr_sections);
if (!feat_sec)
return -1;
@@ -1658,20 +1605,16 @@ int perf_header__process_sections(struct perf_header *header, int fd,
lseek(fd, header->data_offset + header->data_size, SEEK_SET);
- if (perf_header__getbuffer64(header, fd, feat_sec, sec_size))
+ err = perf_header__getbuffer64(header, fd, feat_sec, sec_size);
+ if (err < 0)
goto out_free;
- err = 0;
- while (idx < nr_sections && feat < HEADER_LAST_FEATURE) {
- if (perf_header__has_feat(header, feat)) {
- struct perf_file_section *sec = &feat_sec[idx++];
-
- err = process(sec, header, feat, fd, data);
- if (err < 0)
- break;
- }
- ++feat;
+ for_each_set_bit(feat, header->adds_features, HEADER_LAST_FEATURE) {
+ err = process(sec++, header, feat, fd, data);
+ if (err < 0)
+ goto out_free;
}
+ err = 0;
out_free:
free(feat_sec);
return err;
@@ -1906,32 +1849,21 @@ static int perf_file_section__process(struct perf_file_section *section,
return 0;
}
+ if (feat >= HEADER_LAST_FEATURE) {
+ pr_debug("unknown feature %d, continuing...\n", feat);
+ return 0;
+ }
+
switch (feat) {
case HEADER_TRACE_INFO:
trace_report(fd, false);
break;
-
case HEADER_BUILD_ID:
if (perf_header__read_build_ids(ph, fd, section->offset, section->size))
pr_debug("Failed to read buildids, continuing...\n");
break;
-
- case HEADER_HOSTNAME:
- case HEADER_OSRELEASE:
- case HEADER_VERSION:
- case HEADER_ARCH:
- case HEADER_NRCPUS:
- case HEADER_CPUDESC:
- case HEADER_CPUID:
- case HEADER_TOTAL_MEM:
- case HEADER_CMDLINE:
- case HEADER_EVENT_DESC:
- case HEADER_CPU_TOPOLOGY:
- case HEADER_NUMA_TOPOLOGY:
- break;
-
default:
- pr_debug("unknown feature %d, continuing...\n", feat);
+ break;
}
return 0;
@@ -2041,6 +1973,8 @@ int perf_session__read_header(struct perf_session *session, int fd)
lseek(fd, tmp, SEEK_SET);
}
+ symbol_conf.nr_events = nr_attrs;
+
if (f_header.event_types.size) {
lseek(fd, f_header.event_types.offset, SEEK_SET);
events = malloc(f_header.event_types.size);
@@ -2068,9 +2002,9 @@ out_delete_evlist:
return -ENOMEM;
}
-int perf_event__synthesize_attr(struct perf_event_attr *attr, u16 ids, u64 *id,
- perf_event__handler_t process,
- struct perf_session *session)
+int perf_event__synthesize_attr(struct perf_tool *tool,
+ struct perf_event_attr *attr, u16 ids, u64 *id,
+ perf_event__handler_t process)
{
union perf_event *ev;
size_t size;
@@ -2092,22 +2026,23 @@ int perf_event__synthesize_attr(struct perf_event_attr *attr, u16 ids, u64 *id,
ev->attr.header.type = PERF_RECORD_HEADER_ATTR;
ev->attr.header.size = size;
- err = process(ev, NULL, session);
+ err = process(tool, ev, NULL, NULL);
free(ev);
return err;
}
-int perf_session__synthesize_attrs(struct perf_session *session,
+int perf_event__synthesize_attrs(struct perf_tool *tool,
+ struct perf_session *session,
perf_event__handler_t process)
{
struct perf_evsel *attr;
int err = 0;
list_for_each_entry(attr, &session->evlist->entries, node) {
- err = perf_event__synthesize_attr(&attr->attr, attr->ids,
- attr->id, process, session);
+ err = perf_event__synthesize_attr(tool, &attr->attr, attr->ids,
+ attr->id, process);
if (err) {
pr_debug("failed to create perf header attribute\n");
return err;
@@ -2118,23 +2053,23 @@ int perf_session__synthesize_attrs(struct perf_session *session,
}
int perf_event__process_attr(union perf_event *event,
- struct perf_session *session)
+ struct perf_evlist **pevlist)
{
unsigned int i, ids, n_ids;
struct perf_evsel *evsel;
+ struct perf_evlist *evlist = *pevlist;
- if (session->evlist == NULL) {
- session->evlist = perf_evlist__new(NULL, NULL);
- if (session->evlist == NULL)
+ if (evlist == NULL) {
+ *pevlist = evlist = perf_evlist__new(NULL, NULL);
+ if (evlist == NULL)
return -ENOMEM;
}
- evsel = perf_evsel__new(&event->attr.attr,
- session->evlist->nr_entries);
+ evsel = perf_evsel__new(&event->attr.attr, evlist->nr_entries);
if (evsel == NULL)
return -ENOMEM;
- perf_evlist__add(session->evlist, evsel);
+ perf_evlist__add(evlist, evsel);
ids = event->header.size;
ids -= (void *)&event->attr.id - (void *)event;
@@ -2148,18 +2083,16 @@ int perf_event__process_attr(union perf_event *event,
return -ENOMEM;
for (i = 0; i < n_ids; i++) {
- perf_evlist__id_add(session->evlist, evsel, 0, i,
- event->attr.id[i]);
+ perf_evlist__id_add(evlist, evsel, 0, i, event->attr.id[i]);
}
- perf_session__update_sample_type(session);
-
return 0;
}
-int perf_event__synthesize_event_type(u64 event_id, char *name,
+int perf_event__synthesize_event_type(struct perf_tool *tool,
+ u64 event_id, char *name,
perf_event__handler_t process,
- struct perf_session *session)
+ struct machine *machine)
{
union perf_event ev;
size_t size = 0;
@@ -2177,13 +2110,14 @@ int perf_event__synthesize_event_type(u64 event_id, char *name,
ev.event_type.header.size = sizeof(ev.event_type) -
(sizeof(ev.event_type.event_type.name) - size);
- err = process(&ev, NULL, session);
+ err = process(tool, &ev, NULL, machine);
return err;
}
-int perf_event__synthesize_event_types(perf_event__handler_t process,
- struct perf_session *session)
+int perf_event__synthesize_event_types(struct perf_tool *tool,
+ perf_event__handler_t process,
+ struct machine *machine)
{
struct perf_trace_event_type *type;
int i, err = 0;
@@ -2191,9 +2125,9 @@ int perf_event__synthesize_event_types(perf_event__handler_t process,
for (i = 0; i < event_count; i++) {
type = &events[i];
- err = perf_event__synthesize_event_type(type->event_id,
+ err = perf_event__synthesize_event_type(tool, type->event_id,
type->name, process,
- session);
+ machine);
if (err) {
pr_debug("failed to create perf header event type\n");
return err;
@@ -2203,8 +2137,8 @@ int perf_event__synthesize_event_types(perf_event__handler_t process,
return err;
}
-int perf_event__process_event_type(union perf_event *event,
- struct perf_session *session __unused)
+int perf_event__process_event_type(struct perf_tool *tool __unused,
+ union perf_event *event)
{
if (perf_header__push_event(event->event_type.event_type.event_id,
event->event_type.event_type.name) < 0)
@@ -2213,9 +2147,9 @@ int perf_event__process_event_type(union perf_event *event,
return 0;
}
-int perf_event__synthesize_tracing_data(int fd, struct perf_evlist *evlist,
- perf_event__handler_t process,
- struct perf_session *session __unused)
+int perf_event__synthesize_tracing_data(struct perf_tool *tool, int fd,
+ struct perf_evlist *evlist,
+ perf_event__handler_t process)
{
union perf_event ev;
struct tracing_data *tdata;
@@ -2246,7 +2180,7 @@ int perf_event__synthesize_tracing_data(int fd, struct perf_evlist *evlist,
ev.tracing_data.header.size = sizeof(ev.tracing_data);
ev.tracing_data.size = aligned_size;
- process(&ev, NULL, session);
+ process(tool, &ev, NULL, NULL);
/*
* The put function will copy all the tracing data
@@ -2288,10 +2222,10 @@ int perf_event__process_tracing_data(union perf_event *event,
return size_read + padding;
}
-int perf_event__synthesize_build_id(struct dso *pos, u16 misc,
+int perf_event__synthesize_build_id(struct perf_tool *tool,
+ struct dso *pos, u16 misc,
perf_event__handler_t process,
- struct machine *machine,
- struct perf_session *session)
+ struct machine *machine)
{
union perf_event ev;
size_t len;
@@ -2311,12 +2245,13 @@ int perf_event__synthesize_build_id(struct dso *pos, u16 misc,
ev.build_id.header.size = sizeof(ev.build_id) + len;
memcpy(&ev.build_id.filename, pos->long_name, pos->long_name_len);
- err = process(&ev, NULL, session);
+ err = process(tool, &ev, NULL, machine);
return err;
}
-int perf_event__process_build_id(union perf_event *event,
+int perf_event__process_build_id(struct perf_tool *tool __used,
+ union perf_event *event,
struct perf_session *session)
{
__event_process_build_id(&event->build_id,
diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h
index 3d5a742f4a2a..ac4ec956024e 100644
--- a/tools/perf/util/header.h
+++ b/tools/perf/util/header.h
@@ -10,7 +10,8 @@
#include <linux/bitmap.h>
enum {
- HEADER_TRACE_INFO = 1,
+ HEADER_RESERVED = 0, /* always cleared */
+ HEADER_TRACE_INFO = 1,
HEADER_BUILD_ID,
HEADER_HOSTNAME,
@@ -27,10 +28,9 @@ enum {
HEADER_NUMA_TOPOLOGY,
HEADER_LAST_FEATURE,
+ HEADER_FEAT_BITS = 256,
};
-#define HEADER_FEAT_BITS 256
-
struct perf_file_section {
u64 offset;
u64 size;
@@ -68,6 +68,7 @@ struct perf_header {
};
struct perf_evlist;
+struct perf_session;
int perf_session__read_header(struct perf_session *session, int fd);
int perf_session__write_header(struct perf_session *session,
@@ -96,32 +97,36 @@ int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
const char *name, bool is_kallsyms);
int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir);
-int perf_event__synthesize_attr(struct perf_event_attr *attr, u16 ids, u64 *id,
- perf_event__handler_t process,
- struct perf_session *session);
-int perf_session__synthesize_attrs(struct perf_session *session,
- perf_event__handler_t process);
-int perf_event__process_attr(union perf_event *event, struct perf_session *session);
+int perf_event__synthesize_attr(struct perf_tool *tool,
+ struct perf_event_attr *attr, u16 ids, u64 *id,
+ perf_event__handler_t process);
+int perf_event__synthesize_attrs(struct perf_tool *tool,
+ struct perf_session *session,
+ perf_event__handler_t process);
+int perf_event__process_attr(union perf_event *event, struct perf_evlist **pevlist);
-int perf_event__synthesize_event_type(u64 event_id, char *name,
+int perf_event__synthesize_event_type(struct perf_tool *tool,
+ u64 event_id, char *name,
perf_event__handler_t process,
- struct perf_session *session);
-int perf_event__synthesize_event_types(perf_event__handler_t process,
- struct perf_session *session);
-int perf_event__process_event_type(union perf_event *event,
- struct perf_session *session);
-
-int perf_event__synthesize_tracing_data(int fd, struct perf_evlist *evlist,
- perf_event__handler_t process,
- struct perf_session *session);
+ struct machine *machine);
+int perf_event__synthesize_event_types(struct perf_tool *tool,
+ perf_event__handler_t process,
+ struct machine *machine);
+int perf_event__process_event_type(struct perf_tool *tool,
+ union perf_event *event);
+
+int perf_event__synthesize_tracing_data(struct perf_tool *tool,
+ int fd, struct perf_evlist *evlist,
+ perf_event__handler_t process);
int perf_event__process_tracing_data(union perf_event *event,
struct perf_session *session);
-int perf_event__synthesize_build_id(struct dso *pos, u16 misc,
+int perf_event__synthesize_build_id(struct perf_tool *tool,
+ struct dso *pos, u16 misc,
perf_event__handler_t process,
- struct machine *machine,
- struct perf_session *session);
-int perf_event__process_build_id(union perf_event *event,
+ struct machine *machine);
+int perf_event__process_build_id(struct perf_tool *tool,
+ union perf_event *event,
struct perf_session *session);
/*
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 89289c8e935e..ff6f9d56ea41 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -117,7 +117,6 @@ int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __used,
static inline int hist_entry__tui_annotate(struct hist_entry *self __used,
int evidx __used,
- int nr_events __used,
void(*timer)(void *arg) __used,
void *arg __used,
int delay_secs __used)
@@ -128,7 +127,7 @@ static inline int hist_entry__tui_annotate(struct hist_entry *self __used,
#define K_RIGHT -2
#else
#include "ui/keysyms.h"
-int hist_entry__tui_annotate(struct hist_entry *he, int evidx, int nr_events,
+int hist_entry__tui_annotate(struct hist_entry *he, int evidx,
void(*timer)(void *arg), void *arg, int delay_secs);
int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help,
diff --git a/tools/perf/util/include/linux/bitops.h b/tools/perf/util/include/linux/bitops.h
index 305c8484f200..62cdee78db7b 100644
--- a/tools/perf/util/include/linux/bitops.h
+++ b/tools/perf/util/include/linux/bitops.h
@@ -9,6 +9,17 @@
#define BITS_PER_BYTE 8
#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long))
+#define for_each_set_bit(bit, addr, size) \
+ for ((bit) = find_first_bit((addr), (size)); \
+ (bit) < (size); \
+ (bit) = find_next_bit((addr), (size), (bit) + 1))
+
+/* same as for_each_set_bit() but use bit as value to start with */
+#define for_each_set_bit_cont(bit, addr, size) \
+ for ((bit) = find_next_bit((addr), (size), (bit)); \
+ (bit) < (size); \
+ (bit) = find_next_bit((addr), (size), (bit) + 1))
+
static inline void set_bit(int nr, unsigned long *addr)
{
addr[nr / BITS_PER_LONG] |= 1UL << (nr % BITS_PER_LONG);
@@ -30,4 +41,111 @@ static inline unsigned long hweight_long(unsigned long w)
return sizeof(w) == 4 ? hweight32(w) : hweight64(w);
}
+#define BITOP_WORD(nr) ((nr) / BITS_PER_LONG)
+
+/**
+ * __ffs - find first bit in word.
+ * @word: The word to search
+ *
+ * Undefined if no bit exists, so code should check against 0 first.
+ */
+static __always_inline unsigned long __ffs(unsigned long word)
+{
+ int num = 0;
+
+#if BITS_PER_LONG == 64
+ if ((word & 0xffffffff) == 0) {
+ num += 32;
+ word >>= 32;
+ }
+#endif
+ if ((word & 0xffff) == 0) {
+ num += 16;
+ word >>= 16;
+ }
+ if ((word & 0xff) == 0) {
+ num += 8;
+ word >>= 8;
+ }
+ if ((word & 0xf) == 0) {
+ num += 4;
+ word >>= 4;
+ }
+ if ((word & 0x3) == 0) {
+ num += 2;
+ word >>= 2;
+ }
+ if ((word & 0x1) == 0)
+ num += 1;
+ return num;
+}
+
+/*
+ * Find the first set bit in a memory region.
+ */
+static inline unsigned long
+find_first_bit(const unsigned long *addr, unsigned long size)
+{
+ const unsigned long *p = addr;
+ unsigned long result = 0;
+ unsigned long tmp;
+
+ while (size & ~(BITS_PER_LONG-1)) {
+ if ((tmp = *(p++)))
+ goto found;
+ result += BITS_PER_LONG;
+ size -= BITS_PER_LONG;
+ }
+ if (!size)
+ return result;
+
+ tmp = (*p) & (~0UL >> (BITS_PER_LONG - size));
+ if (tmp == 0UL) /* Are any bits set? */
+ return result + size; /* Nope. */
+found:
+ return result + __ffs(tmp);
+}
+
+/*
+ * Find the next set bit in a memory region.
+ */
+static inline unsigned long
+find_next_bit(const unsigned long *addr, unsigned long size, unsigned long offset)
+{
+ const unsigned long *p = addr + BITOP_WORD(offset);
+ unsigned long result = offset & ~(BITS_PER_LONG-1);
+ unsigned long tmp;
+
+ if (offset >= size)
+ return size;
+ size -= result;
+ offset %= BITS_PER_LONG;
+ if (offset) {
+ tmp = *(p++);
+ tmp &= (~0UL << offset);
+ if (size < BITS_PER_LONG)
+ goto found_first;
+ if (tmp)
+ goto found_middle;
+ size -= BITS_PER_LONG;
+ result += BITS_PER_LONG;
+ }
+ while (size & ~(BITS_PER_LONG-1)) {
+ if ((tmp = *(p++)))
+ goto found_middle;
+ result += BITS_PER_LONG;
+ size -= BITS_PER_LONG;
+ }
+ if (!size)
+ return result;
+ tmp = *p;
+
+found_first:
+ tmp &= (~0UL >> (BITS_PER_LONG - size));
+ if (tmp == 0UL) /* Are any bits set? */
+ return result + size; /* Nope. */
+found_middle:
+ return result + __ffs(tmp);
+}
+
#endif
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index 78284b13e808..316aa0ab7122 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -562,6 +562,10 @@ int machine__init(struct machine *self, const char *root_dir, pid_t pid)
INIT_LIST_HEAD(&self->user_dsos);
INIT_LIST_HEAD(&self->kernel_dsos);
+ self->threads = RB_ROOT;
+ INIT_LIST_HEAD(&self->dead_threads);
+ self->last_match = NULL;
+
self->kmaps.machine = self;
self->pid = pid;
self->root_dir = strdup(root_dir);
diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h
index 890d85545d0f..2b8017f8a930 100644
--- a/tools/perf/util/map.h
+++ b/tools/perf/util/map.h
@@ -18,9 +18,11 @@ enum map_type {
extern const char *map_type__name[MAP__NR_TYPES];
struct dso;
+struct ip_callchain;
struct ref_reloc_sym;
struct map_groups;
struct machine;
+struct perf_evsel;
struct map {
union {
@@ -61,7 +63,11 @@ struct map_groups {
struct machine {
struct rb_node rb_node;
pid_t pid;
+ u16 id_hdr_size;
char *root_dir;
+ struct rb_root threads;
+ struct list_head dead_threads;
+ struct thread *last_match;
struct list_head user_dsos;
struct list_head kernel_dsos;
struct map_groups kmaps;
@@ -148,6 +154,13 @@ int machine__init(struct machine *self, const char *root_dir, pid_t pid);
void machine__exit(struct machine *self);
void machine__delete(struct machine *self);
+int machine__resolve_callchain(struct machine *machine,
+ struct perf_evsel *evsel, struct thread *thread,
+ struct ip_callchain *chain,
+ struct symbol **parent);
+int maps__set_kallsyms_ref_reloc_sym(struct map **maps, const char *symbol_name,
+ u64 addr);
+
/*
* Default guest kernel is defined by parameter --guestkallsyms
* and --guestmodules
@@ -190,6 +203,12 @@ struct symbol *map_groups__find_symbol_by_name(struct map_groups *mg,
struct map **mapp,
symbol_filter_t filter);
+
+struct thread *machine__findnew_thread(struct machine *machine, pid_t pid);
+void machine__remove_thread(struct machine *machine, struct thread *th);
+
+size_t machine__fprintf(struct machine *machine, FILE *fp);
+
static inline
struct symbol *machine__find_kernel_symbol(struct machine *self,
enum map_type type, u64 addr,
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 928918b796b2..531c283fc0c5 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -25,8 +25,6 @@ enum event_result {
EVT_HANDLED_ALL
};
-char debugfs_path[MAXPATHLEN];
-
#define CHW(x) .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_##x
#define CSW(x) .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_##x
@@ -40,6 +38,7 @@ static struct event_symbol event_symbols[] = {
{ CHW(BRANCH_INSTRUCTIONS), "branch-instructions", "branches" },
{ CHW(BRANCH_MISSES), "branch-misses", "" },
{ CHW(BUS_CYCLES), "bus-cycles", "" },
+ { CHW(REF_CPU_CYCLES), "ref-cycles", "" },
{ CSW(CPU_CLOCK), "cpu-clock", "" },
{ CSW(TASK_CLOCK), "task-clock", "" },
@@ -70,6 +69,7 @@ static const char *hw_event_names[PERF_COUNT_HW_MAX] = {
"bus-cycles",
"stalled-cycles-frontend",
"stalled-cycles-backend",
+ "ref-cycles",
};
static const char *sw_event_names[PERF_COUNT_SW_MAX] = {
@@ -140,7 +140,7 @@ static int tp_event_has_id(struct dirent *sys_dir, struct dirent *evt_dir)
char evt_path[MAXPATHLEN];
int fd;
- snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", debugfs_path,
+ snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", tracing_events_path,
sys_dir->d_name, evt_dir->d_name);
fd = open(evt_path, O_RDONLY);
if (fd < 0)
@@ -171,16 +171,16 @@ struct tracepoint_path *tracepoint_id_to_path(u64 config)
char evt_path[MAXPATHLEN];
char dir_path[MAXPATHLEN];
- if (debugfs_valid_mountpoint(debugfs_path))
+ if (debugfs_valid_mountpoint(tracing_events_path))
return NULL;
- sys_dir = opendir(debugfs_path);
+ sys_dir = opendir(tracing_events_path);
if (!sys_dir)
return NULL;
for_each_subsystem(sys_dir, sys_dirent, sys_next) {
- snprintf(dir_path, MAXPATHLEN, "%s/%s", debugfs_path,
+ snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path,
sys_dirent.d_name);
evt_dir = opendir(dir_path);
if (!evt_dir)
@@ -447,7 +447,7 @@ parse_single_tracepoint_event(char *sys_name,
u64 id;
int fd;
- snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", debugfs_path,
+ snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", tracing_events_path,
sys_name, evt_name);
fd = open(evt_path, O_RDONLY);
@@ -485,7 +485,7 @@ parse_multiple_tracepoint_event(struct perf_evlist *evlist, char *sys_name,
struct dirent *evt_ent;
DIR *evt_dir;
- snprintf(evt_path, MAXPATHLEN, "%s/%s", debugfs_path, sys_name);
+ snprintf(evt_path, MAXPATHLEN, "%s/%s", tracing_events_path, sys_name);
evt_dir = opendir(evt_path);
if (!evt_dir) {
@@ -528,7 +528,7 @@ parse_tracepoint_event(struct perf_evlist *evlist, const char **strp,
char sys_name[MAX_EVENT_LENGTH];
unsigned int sys_length, evt_length;
- if (debugfs_valid_mountpoint(debugfs_path))
+ if (debugfs_valid_mountpoint(tracing_events_path))
return 0;
evt_name = strchr(*strp, ':');
@@ -920,10 +920,10 @@ void print_tracepoint_events(const char *subsys_glob, const char *event_glob)
char evt_path[MAXPATHLEN];
char dir_path[MAXPATHLEN];
- if (debugfs_valid_mountpoint(debugfs_path))
+ if (debugfs_valid_mountpoint(tracing_events_path))
return;
- sys_dir = opendir(debugfs_path);
+ sys_dir = opendir(tracing_events_path);
if (!sys_dir)
return;
@@ -932,7 +932,7 @@ void print_tracepoint_events(const char *subsys_glob, const char *event_glob)
!strglobmatch(sys_dirent.d_name, subsys_glob))
continue;
- snprintf(dir_path, MAXPATHLEN, "%s/%s", debugfs_path,
+ snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path,
sys_dirent.d_name);
evt_dir = opendir(dir_path);
if (!evt_dir)
@@ -964,16 +964,16 @@ int is_valid_tracepoint(const char *event_string)
char evt_path[MAXPATHLEN];
char dir_path[MAXPATHLEN];
- if (debugfs_valid_mountpoint(debugfs_path))
+ if (debugfs_valid_mountpoint(tracing_events_path))
return 0;
- sys_dir = opendir(debugfs_path);
+ sys_dir = opendir(tracing_events_path);
if (!sys_dir)
return 0;
for_each_subsystem(sys_dir, sys_dirent, sys_next) {
- snprintf(dir_path, MAXPATHLEN, "%s/%s", debugfs_path,
+ snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path,
sys_dirent.d_name);
evt_dir = opendir(dir_path);
if (!evt_dir)
diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index 2f8e375e038d..7e0cbe75d5f1 100644
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -39,7 +39,6 @@ void print_tracepoint_events(const char *subsys_glob, const char *event_glob);
int print_hwcache_events(const char *event_glob);
extern int is_valid_tracepoint(const char *event_string);
-extern char debugfs_path[];
extern int valid_debugfs_mount(const char *debugfs);
#endif /* __PERF_PARSE_EVENTS_H */
diff --git a/tools/perf/util/probe-finder.h b/tools/perf/util/probe-finder.h
index 1132c8f0ce89..17e94d0c36f9 100644
--- a/tools/perf/util/probe-finder.h
+++ b/tools/perf/util/probe-finder.h
@@ -5,7 +5,6 @@
#include "util.h"
#include "probe-event.h"
-#define MAX_PATH_LEN 256
#define MAX_PROBE_BUFFER 1024
#define MAX_PROBES 128
diff --git a/tools/perf/util/scripting-engines/trace-event-perl.c b/tools/perf/util/scripting-engines/trace-event-perl.c
index 74350ffb57fe..e30749e38a9b 100644
--- a/tools/perf/util/scripting-engines/trace-event-perl.c
+++ b/tools/perf/util/scripting-engines/trace-event-perl.c
@@ -27,7 +27,10 @@
#include "../../perf.h"
#include "../util.h"
+#include "../thread.h"
+#include "../event.h"
#include "../trace-event.h"
+#include "../evsel.h"
#include <EXTERN.h>
#include <perl.h>
@@ -245,11 +248,11 @@ static inline struct event *find_cache_event(int type)
return event;
}
-static void perl_process_event(union perf_event *pevent __unused,
- struct perf_sample *sample,
- struct perf_evsel *evsel,
- struct perf_session *session __unused,
- struct thread *thread)
+static void perl_process_tracepoint(union perf_event *pevent __unused,
+ struct perf_sample *sample,
+ struct perf_evsel *evsel,
+ struct machine *machine __unused,
+ struct thread *thread)
{
struct format_field *field;
static char handler[256];
@@ -265,6 +268,9 @@ static void perl_process_event(union perf_event *pevent __unused,
dSP;
+ if (evsel->attr.type != PERF_TYPE_TRACEPOINT)
+ return;
+
type = trace_parse_common_type(data);
event = find_cache_event(type);
@@ -332,6 +338,42 @@ static void perl_process_event(union perf_event *pevent __unused,
LEAVE;
}
+static void perl_process_event_generic(union perf_event *pevent __unused,
+ struct perf_sample *sample,
+ struct perf_evsel *evsel __unused,
+ struct machine *machine __unused,
+ struct thread *thread __unused)
+{
+ dSP;
+
+ if (!get_cv("process_event", 0))
+ return;
+
+ ENTER;
+ SAVETMPS;
+ PUSHMARK(SP);
+ XPUSHs(sv_2mortal(newSVpvn((const char *)pevent, pevent->header.size)));
+ XPUSHs(sv_2mortal(newSVpvn((const char *)&evsel->attr, sizeof(evsel->attr))));
+ XPUSHs(sv_2mortal(newSVpvn((const char *)sample, sizeof(*sample))));
+ XPUSHs(sv_2mortal(newSVpvn((const char *)sample->raw_data, sample->raw_size)));
+ PUTBACK;
+ call_pv("process_event", G_SCALAR);
+ SPAGAIN;
+ PUTBACK;
+ FREETMPS;
+ LEAVE;
+}
+
+static void perl_process_event(union perf_event *pevent,
+ struct perf_sample *sample,
+ struct perf_evsel *evsel,
+ struct machine *machine,
+ struct thread *thread)
+{
+ perl_process_tracepoint(pevent, sample, evsel, machine, thread);
+ perl_process_event_generic(pevent, sample, evsel, machine, thread);
+}
+
static void run_start_sub(void)
{
dSP; /* access to Perl stack */
@@ -553,7 +595,28 @@ static int perl_generate_script(const char *outfile)
fprintf(ofp, "sub print_header\n{\n"
"\tmy ($event_name, $cpu, $secs, $nsecs, $pid, $comm) = @_;\n\n"
"\tprintf(\"%%-20s %%5u %%05u.%%09u %%8u %%-20s \",\n\t "
- "$event_name, $cpu, $secs, $nsecs, $pid, $comm);\n}");
+ "$event_name, $cpu, $secs, $nsecs, $pid, $comm);\n}\n");
+
+ fprintf(ofp,
+ "\n# Packed byte string args of process_event():\n"
+ "#\n"
+ "# $event:\tunion perf_event\tutil/event.h\n"
+ "# $attr:\tstruct perf_event_attr\tlinux/perf_event.h\n"
+ "# $sample:\tstruct perf_sample\tutil/event.h\n"
+ "# $raw_data:\tperf_sample->raw_data\tutil/event.h\n"
+ "\n"
+ "sub process_event\n"
+ "{\n"
+ "\tmy ($event, $attr, $sample, $raw_data) = @_;\n"
+ "\n"
+ "\tmy @event\t= unpack(\"LSS\", $event);\n"
+ "\tmy @attr\t= unpack(\"LLQQQQQLLQQ\", $attr);\n"
+ "\tmy @sample\t= unpack(\"QLLQQQQQLL\", $sample);\n"
+ "\tmy @raw_data\t= unpack(\"C*\", $raw_data);\n"
+ "\n"
+ "\tuse Data::Dumper;\n"
+ "\tprint Dumper \\@event, \\@attr, \\@sample, \\@raw_data;\n"
+ "}\n");
fclose(ofp);
diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c
index 6ccf70e8d8f2..0b2a48783172 100644
--- a/tools/perf/util/scripting-engines/trace-event-python.c
+++ b/tools/perf/util/scripting-engines/trace-event-python.c
@@ -29,6 +29,8 @@
#include "../../perf.h"
#include "../util.h"
+#include "../event.h"
+#include "../thread.h"
#include "../trace-event.h"
PyMODINIT_FUNC initperf_trace_context(void);
@@ -207,7 +209,7 @@ static inline struct event *find_cache_event(int type)
static void python_process_event(union perf_event *pevent __unused,
struct perf_sample *sample,
struct perf_evsel *evsel __unused,
- struct perf_session *session __unused,
+ struct machine *machine __unused,
struct thread *thread)
{
PyObject *handler, *retval, *context, *t, *obj, *dict = NULL;
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 0f4555ce9063..b5ca2558c7bb 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -10,6 +10,7 @@
#include "evlist.h"
#include "evsel.h"
#include "session.h"
+#include "tool.h"
#include "sort.h"
#include "util.h"
#include "cpumap.h"
@@ -78,39 +79,13 @@ out_close:
return -1;
}
-static void perf_session__id_header_size(struct perf_session *session)
-{
- struct perf_sample *data;
- u64 sample_type = session->sample_type;
- u16 size = 0;
-
- if (!session->sample_id_all)
- goto out;
-
- if (sample_type & PERF_SAMPLE_TID)
- size += sizeof(data->tid) * 2;
-
- if (sample_type & PERF_SAMPLE_TIME)
- size += sizeof(data->time);
-
- if (sample_type & PERF_SAMPLE_ID)
- size += sizeof(data->id);
-
- if (sample_type & PERF_SAMPLE_STREAM_ID)
- size += sizeof(data->stream_id);
-
- if (sample_type & PERF_SAMPLE_CPU)
- size += sizeof(data->cpu) * 2;
-out:
- session->id_hdr_size = size;
-}
-
void perf_session__update_sample_type(struct perf_session *self)
{
self->sample_type = perf_evlist__sample_type(self->evlist);
self->sample_size = __perf_evsel__sample_size(self->sample_type);
self->sample_id_all = perf_evlist__sample_id_all(self->evlist);
- perf_session__id_header_size(self);
+ self->id_hdr_size = perf_evlist__id_hdr_size(self->evlist);
+ self->host_machine.id_hdr_size = self->id_hdr_size;
}
int perf_session__create_kernel_maps(struct perf_session *self)
@@ -130,18 +105,26 @@ static void perf_session__destroy_kernel_maps(struct perf_session *self)
struct perf_session *perf_session__new(const char *filename, int mode,
bool force, bool repipe,
- struct perf_event_ops *ops)
+ struct perf_tool *tool)
{
- size_t len = filename ? strlen(filename) + 1 : 0;
- struct perf_session *self = zalloc(sizeof(*self) + len);
+ struct perf_session *self;
+ struct stat st;
+ size_t len;
+
+ if (!filename || !strlen(filename)) {
+ if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
+ filename = "-";
+ else
+ filename = "perf.data";
+ }
+
+ len = strlen(filename);
+ self = zalloc(sizeof(*self) + len);
if (self == NULL)
goto out;
memcpy(self->filename, filename, len);
- self->threads = RB_ROOT;
- INIT_LIST_HEAD(&self->dead_threads);
- self->last_match = NULL;
/*
* On 64bit we can mmap the data file in one go. No need for tiny mmap
* slices. On 32bit we use 32MB.
@@ -171,10 +154,10 @@ struct perf_session *perf_session__new(const char *filename, int mode,
goto out_delete;
}
- if (ops && ops->ordering_requires_timestamps &&
- ops->ordered_samples && !self->sample_id_all) {
+ if (tool && tool->ordering_requires_timestamps &&
+ tool->ordered_samples && !self->sample_id_all) {
dump_printf("WARNING: No sample_id_all support, falling back to unordered processing\n");
- ops->ordered_samples = false;
+ tool->ordered_samples = false;
}
out:
@@ -184,17 +167,22 @@ out_delete:
return NULL;
}
-static void perf_session__delete_dead_threads(struct perf_session *self)
+static void machine__delete_dead_threads(struct machine *machine)
{
struct thread *n, *t;
- list_for_each_entry_safe(t, n, &self->dead_threads, node) {
+ list_for_each_entry_safe(t, n, &machine->dead_threads, node) {
list_del(&t->node);
thread__delete(t);
}
}
-static void perf_session__delete_threads(struct perf_session *self)
+static void perf_session__delete_dead_threads(struct perf_session *session)
+{
+ machine__delete_dead_threads(&session->host_machine);
+}
+
+static void machine__delete_threads(struct machine *self)
{
struct rb_node *nd = rb_first(&self->threads);
@@ -207,6 +195,11 @@ static void perf_session__delete_threads(struct perf_session *self)
}
}
+static void perf_session__delete_threads(struct perf_session *session)
+{
+ machine__delete_threads(&session->host_machine);
+}
+
void perf_session__delete(struct perf_session *self)
{
perf_session__destroy_kernel_maps(self);
@@ -217,7 +210,7 @@ void perf_session__delete(struct perf_session *self)
free(self);
}
-void perf_session__remove_thread(struct perf_session *self, struct thread *th)
+void machine__remove_thread(struct machine *self, struct thread *th)
{
self->last_match = NULL;
rb_erase(&th->rb_node, &self->threads);
@@ -236,16 +229,16 @@ static bool symbol__match_parent_regex(struct symbol *sym)
return 0;
}
-int perf_session__resolve_callchain(struct perf_session *self,
- struct thread *thread,
- struct ip_callchain *chain,
- struct symbol **parent)
+int machine__resolve_callchain(struct machine *self, struct perf_evsel *evsel,
+ struct thread *thread,
+ struct ip_callchain *chain,
+ struct symbol **parent)
{
u8 cpumode = PERF_RECORD_MISC_USER;
unsigned int i;
int err;
- callchain_cursor_reset(&self->callchain_cursor);
+ callchain_cursor_reset(&evsel->hists.callchain_cursor);
for (i = 0; i < chain->nr; i++) {
u64 ip;
@@ -272,7 +265,7 @@ int perf_session__resolve_callchain(struct perf_session *self,
al.filtered = false;
thread__find_addr_location(thread, self, cpumode,
- MAP__FUNCTION, thread->pid, ip, &al, NULL);
+ MAP__FUNCTION, ip, &al, NULL);
if (al.sym != NULL) {
if (sort__has_parent && !*parent &&
symbol__match_parent_regex(al.sym))
@@ -281,7 +274,7 @@ int perf_session__resolve_callchain(struct perf_session *self,
break;
}
- err = callchain_cursor_append(&self->callchain_cursor,
+ err = callchain_cursor_append(&evsel->hists.callchain_cursor,
ip, al.map, al.sym);
if (err)
return err;
@@ -290,75 +283,91 @@ int perf_session__resolve_callchain(struct perf_session *self,
return 0;
}
-static int process_event_synth_stub(union perf_event *event __used,
- struct perf_session *session __used)
+static int process_event_synth_tracing_data_stub(union perf_event *event __used,
+ struct perf_session *session __used)
+{
+ dump_printf(": unhandled!\n");
+ return 0;
+}
+
+static int process_event_synth_attr_stub(union perf_event *event __used,
+ struct perf_evlist **pevlist __used)
{
dump_printf(": unhandled!\n");
return 0;
}
-static int process_event_sample_stub(union perf_event *event __used,
+static int process_event_sample_stub(struct perf_tool *tool __used,
+ union perf_event *event __used,
struct perf_sample *sample __used,
struct perf_evsel *evsel __used,
- struct perf_session *session __used)
+ struct machine *machine __used)
{
dump_printf(": unhandled!\n");
return 0;
}
-static int process_event_stub(union perf_event *event __used,
+static int process_event_stub(struct perf_tool *tool __used,
+ union perf_event *event __used,
struct perf_sample *sample __used,
- struct perf_session *session __used)
+ struct machine *machine __used)
{
dump_printf(": unhandled!\n");
return 0;
}
-static int process_finished_round_stub(union perf_event *event __used,
- struct perf_session *session __used,
- struct perf_event_ops *ops __used)
+static int process_finished_round_stub(struct perf_tool *tool __used,
+ union perf_event *event __used,
+ struct perf_session *perf_session __used)
{
dump_printf(": unhandled!\n");
return 0;
}
-static int process_finished_round(union perf_event *event,
- struct perf_session *session,
- struct perf_event_ops *ops);
+static int process_event_type_stub(struct perf_tool *tool __used,
+ union perf_event *event __used)
+{
+ dump_printf(": unhandled!\n");
+ return 0;
+}
-static void perf_event_ops__fill_defaults(struct perf_event_ops *handler)
+static int process_finished_round(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_session *session);
+
+static void perf_tool__fill_defaults(struct perf_tool *tool)
{
- if (handler->sample == NULL)
- handler->sample = process_event_sample_stub;
- if (handler->mmap == NULL)
- handler->mmap = process_event_stub;
- if (handler->comm == NULL)
- handler->comm = process_event_stub;
- if (handler->fork == NULL)
- handler->fork = process_event_stub;
- if (handler->exit == NULL)
- handler->exit = process_event_stub;
- if (handler->lost == NULL)
- handler->lost = perf_event__process_lost;
- if (handler->read == NULL)
- handler->read = process_event_stub;
- if (handler->throttle == NULL)
- handler->throttle = process_event_stub;
- if (handler->unthrottle == NULL)
- handler->unthrottle = process_event_stub;
- if (handler->attr == NULL)
- handler->attr = process_event_synth_stub;
- if (handler->event_type == NULL)
- handler->event_type = process_event_synth_stub;
- if (handler->tracing_data == NULL)
- handler->tracing_data = process_event_synth_stub;
- if (handler->build_id == NULL)
- handler->build_id = process_event_synth_stub;
- if (handler->finished_round == NULL) {
- if (handler->ordered_samples)
- handler->finished_round = process_finished_round;
+ if (tool->sample == NULL)
+ tool->sample = process_event_sample_stub;
+ if (tool->mmap == NULL)
+ tool->mmap = process_event_stub;
+ if (tool->comm == NULL)
+ tool->comm = process_event_stub;
+ if (tool->fork == NULL)
+ tool->fork = process_event_stub;
+ if (tool->exit == NULL)
+ tool->exit = process_event_stub;
+ if (tool->lost == NULL)
+ tool->lost = perf_event__process_lost;
+ if (tool->read == NULL)
+ tool->read = process_event_sample_stub;
+ if (tool->throttle == NULL)
+ tool->throttle = process_event_stub;
+ if (tool->unthrottle == NULL)
+ tool->unthrottle = process_event_stub;
+ if (tool->attr == NULL)
+ tool->attr = process_event_synth_attr_stub;
+ if (tool->event_type == NULL)
+ tool->event_type = process_event_type_stub;
+ if (tool->tracing_data == NULL)
+ tool->tracing_data = process_event_synth_tracing_data_stub;
+ if (tool->build_id == NULL)
+ tool->build_id = process_finished_round_stub;
+ if (tool->finished_round == NULL) {
+ if (tool->ordered_samples)
+ tool->finished_round = process_finished_round;
else
- handler->finished_round = process_finished_round_stub;
+ tool->finished_round = process_finished_round_stub;
}
}
@@ -490,11 +499,11 @@ static void perf_session_free_sample_buffers(struct perf_session *session)
static int perf_session_deliver_event(struct perf_session *session,
union perf_event *event,
struct perf_sample *sample,
- struct perf_event_ops *ops,
+ struct perf_tool *tool,
u64 file_offset);
static void flush_sample_queue(struct perf_session *s,
- struct perf_event_ops *ops)
+ struct perf_tool *tool)
{
struct ordered_samples *os = &s->ordered_samples;
struct list_head *head = &os->samples;
@@ -505,7 +514,7 @@ static void flush_sample_queue(struct perf_session *s,
unsigned idx = 0, progress_next = os->nr_samples / 16;
int ret;
- if (!ops->ordered_samples || !limit)
+ if (!tool->ordered_samples || !limit)
return;
list_for_each_entry_safe(iter, tmp, head, list) {
@@ -516,7 +525,7 @@ static void flush_sample_queue(struct perf_session *s,
if (ret)
pr_err("Can't parse sample, err = %d\n", ret);
else
- perf_session_deliver_event(s, iter->event, &sample, ops,
+ perf_session_deliver_event(s, iter->event, &sample, tool,
iter->file_offset);
os->last_flush = iter->timestamp;
@@ -578,11 +587,11 @@ static void flush_sample_queue(struct perf_session *s,
* Flush every events below timestamp 7
* etc...
*/
-static int process_finished_round(union perf_event *event __used,
- struct perf_session *session,
- struct perf_event_ops *ops)
+static int process_finished_round(struct perf_tool *tool,
+ union perf_event *event __used,
+ struct perf_session *session)
{
- flush_sample_queue(session, ops);
+ flush_sample_queue(session, tool);
session->ordered_samples.next_flush = session->ordered_samples.max_timestamp;
return 0;
@@ -737,13 +746,26 @@ static void dump_sample(struct perf_session *session, union perf_event *event,
callchain__printf(sample);
}
+static struct machine *
+ perf_session__find_machine_for_cpumode(struct perf_session *session,
+ union perf_event *event)
+{
+ const u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
+
+ if (cpumode == PERF_RECORD_MISC_GUEST_KERNEL && perf_guest)
+ return perf_session__find_machine(session, event->ip.pid);
+
+ return perf_session__find_host_machine(session);
+}
+
static int perf_session_deliver_event(struct perf_session *session,
union perf_event *event,
struct perf_sample *sample,
- struct perf_event_ops *ops,
+ struct perf_tool *tool,
u64 file_offset)
{
struct perf_evsel *evsel;
+ struct machine *machine;
dump_event(session, event, file_offset, sample);
@@ -765,6 +787,8 @@ static int perf_session_deliver_event(struct perf_session *session,
hists__inc_nr_events(&evsel->hists, event->header.type);
}
+ machine = perf_session__find_machine_for_cpumode(session, event);
+
switch (event->header.type) {
case PERF_RECORD_SAMPLE:
dump_sample(session, event, sample);
@@ -772,23 +796,25 @@ static int perf_session_deliver_event(struct perf_session *session,
++session->hists.stats.nr_unknown_id;
return -1;
}
- return ops->sample(event, sample, evsel, session);
+ return tool->sample(tool, event, sample, evsel, machine);
case PERF_RECORD_MMAP:
- return ops->mmap(event, sample, session);
+ return tool->mmap(tool, event, sample, machine);
case PERF_RECORD_COMM:
- return ops->comm(event, sample, session);
+ return tool->comm(tool, event, sample, machine);
case PERF_RECORD_FORK:
- return ops->fork(event, sample, session);
+ return tool->fork(tool, event, sample, machine);
case PERF_RECORD_EXIT:
- return ops->exit(event, sample, session);
+ return tool->exit(tool, event, sample, machine);
case PERF_RECORD_LOST:
- return ops->lost(event, sample, session);
+ if (tool->lost == perf_event__process_lost)
+ session->hists.stats.total_lost += event->lost.lost;
+ return tool->lost(tool, event, sample, machine);
case PERF_RECORD_READ:
- return ops->read(event, sample, session);
+ return tool->read(tool, event, sample, evsel, machine);
case PERF_RECORD_THROTTLE:
- return ops->throttle(event, sample, session);
+ return tool->throttle(tool, event, sample, machine);
case PERF_RECORD_UNTHROTTLE:
- return ops->unthrottle(event, sample, session);
+ return tool->unthrottle(tool, event, sample, machine);
default:
++session->hists.stats.nr_unknown_events;
return -1;
@@ -812,24 +838,29 @@ static int perf_session__preprocess_sample(struct perf_session *session,
}
static int perf_session__process_user_event(struct perf_session *session, union perf_event *event,
- struct perf_event_ops *ops, u64 file_offset)
+ struct perf_tool *tool, u64 file_offset)
{
+ int err;
+
dump_event(session, event, file_offset, NULL);
/* These events are processed right away */
switch (event->header.type) {
case PERF_RECORD_HEADER_ATTR:
- return ops->attr(event, session);
+ err = tool->attr(event, &session->evlist);
+ if (err == 0)
+ perf_session__update_sample_type(session);
+ return err;
case PERF_RECORD_HEADER_EVENT_TYPE:
- return ops->event_type(event, session);
+ return tool->event_type(tool, event);
case PERF_RECORD_HEADER_TRACING_DATA:
/* setup for reading amidst mmap */
lseek(session->fd, file_offset, SEEK_SET);
- return ops->tracing_data(event, session);
+ return tool->tracing_data(event, session);
case PERF_RECORD_HEADER_BUILD_ID:
- return ops->build_id(event, session);
+ return tool->build_id(tool, event, session);
case PERF_RECORD_FINISHED_ROUND:
- return ops->finished_round(event, session, ops);
+ return tool->finished_round(tool, event, session);
default:
return -EINVAL;
}
@@ -837,7 +868,7 @@ static int perf_session__process_user_event(struct perf_session *session, union
static int perf_session__process_event(struct perf_session *session,
union perf_event *event,
- struct perf_event_ops *ops,
+ struct perf_tool *tool,
u64 file_offset)
{
struct perf_sample sample;
@@ -853,7 +884,7 @@ static int perf_session__process_event(struct perf_session *session,
hists__inc_nr_events(&session->hists, event->header.type);
if (event->header.type >= PERF_RECORD_USER_TYPE_START)
- return perf_session__process_user_event(session, event, ops, file_offset);
+ return perf_session__process_user_event(session, event, tool, file_offset);
/*
* For all kernel events we get the sample data
@@ -866,14 +897,14 @@ static int perf_session__process_event(struct perf_session *session,
if (perf_session__preprocess_sample(session, event, &sample))
return 0;
- if (ops->ordered_samples) {
+ if (tool->ordered_samples) {
ret = perf_session_queue_event(session, event, &sample,
file_offset);
if (ret != -ETIME)
return ret;
}
- return perf_session_deliver_event(session, event, &sample, ops,
+ return perf_session_deliver_event(session, event, &sample, tool,
file_offset);
}
@@ -884,6 +915,11 @@ void perf_event_header__bswap(struct perf_event_header *self)
self->size = bswap_16(self->size);
}
+struct thread *perf_session__findnew(struct perf_session *session, pid_t pid)
+{
+ return machine__findnew_thread(&session->host_machine, pid);
+}
+
static struct thread *perf_session__register_idle_thread(struct perf_session *self)
{
struct thread *thread = perf_session__findnew(self, 0);
@@ -897,9 +933,9 @@ static struct thread *perf_session__register_idle_thread(struct perf_session *se
}
static void perf_session__warn_about_errors(const struct perf_session *session,
- const struct perf_event_ops *ops)
+ const struct perf_tool *tool)
{
- if (ops->lost == perf_event__process_lost &&
+ if (tool->lost == perf_event__process_lost &&
session->hists.stats.nr_events[PERF_RECORD_LOST] != 0) {
ui__warning("Processed %d events and lost %d chunks!\n\n"
"Check IO/CPU overload!\n\n",
@@ -934,7 +970,7 @@ static void perf_session__warn_about_errors(const struct perf_session *session,
volatile int session_done;
static int __perf_session__process_pipe_events(struct perf_session *self,
- struct perf_event_ops *ops)
+ struct perf_tool *tool)
{
union perf_event event;
uint32_t size;
@@ -943,7 +979,7 @@ static int __perf_session__process_pipe_events(struct perf_session *self,
int err;
void *p;
- perf_event_ops__fill_defaults(ops);
+ perf_tool__fill_defaults(tool);
head = 0;
more:
@@ -979,8 +1015,7 @@ more:
}
}
- if (size == 0 ||
- (skip = perf_session__process_event(self, &event, ops, head)) < 0) {
+ if ((skip = perf_session__process_event(self, &event, tool, head)) < 0) {
dump_printf("%#" PRIx64 " [%#x]: skipping unknown header type: %d\n",
head, event.header.size, event.header.type);
/*
@@ -1003,7 +1038,7 @@ more:
done:
err = 0;
out_err:
- perf_session__warn_about_errors(self, ops);
+ perf_session__warn_about_errors(self, tool);
perf_session_free_sample_buffers(self);
return err;
}
@@ -1034,7 +1069,7 @@ fetch_mmaped_event(struct perf_session *session,
int __perf_session__process_events(struct perf_session *session,
u64 data_offset, u64 data_size,
- u64 file_size, struct perf_event_ops *ops)
+ u64 file_size, struct perf_tool *tool)
{
u64 head, page_offset, file_offset, file_pos, progress_next;
int err, mmap_prot, mmap_flags, map_idx = 0;
@@ -1043,7 +1078,7 @@ int __perf_session__process_events(struct perf_session *session,
union perf_event *event;
uint32_t size;
- perf_event_ops__fill_defaults(ops);
+ perf_tool__fill_defaults(tool);
page_size = sysconf(_SC_PAGESIZE);
@@ -1098,7 +1133,7 @@ more:
size = event->header.size;
if (size == 0 ||
- perf_session__process_event(session, event, ops, file_pos) < 0) {
+ perf_session__process_event(session, event, tool, file_pos) < 0) {
dump_printf("%#" PRIx64 " [%#x]: skipping unknown header type: %d\n",
file_offset + head, event->header.size,
event->header.type);
@@ -1127,15 +1162,15 @@ more:
err = 0;
/* do the final flush for ordered samples */
session->ordered_samples.next_flush = ULLONG_MAX;
- flush_sample_queue(session, ops);
+ flush_sample_queue(session, tool);
out_err:
- perf_session__warn_about_errors(session, ops);
+ perf_session__warn_about_errors(session, tool);
perf_session_free_sample_buffers(session);
return err;
}
int perf_session__process_events(struct perf_session *self,
- struct perf_event_ops *ops)
+ struct perf_tool *tool)
{
int err;
@@ -1146,9 +1181,9 @@ int perf_session__process_events(struct perf_session *self,
err = __perf_session__process_events(self,
self->header.data_offset,
self->header.data_size,
- self->size, ops);
+ self->size, tool);
else
- err = __perf_session__process_pipe_events(self, ops);
+ err = __perf_session__process_pipe_events(self, tool);
return err;
}
@@ -1163,9 +1198,8 @@ bool perf_session__has_traces(struct perf_session *self, const char *msg)
return true;
}
-int perf_session__set_kallsyms_ref_reloc_sym(struct map **maps,
- const char *symbol_name,
- u64 addr)
+int maps__set_kallsyms_ref_reloc_sym(struct map **maps,
+ const char *symbol_name, u64 addr)
{
char *bracket;
enum map_type i;
@@ -1224,6 +1258,27 @@ size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp)
return ret;
}
+size_t perf_session__fprintf(struct perf_session *session, FILE *fp)
+{
+ /*
+ * FIXME: Here we have to actually print all the machines in this
+ * session, not just the host...
+ */
+ return machine__fprintf(&session->host_machine, fp);
+}
+
+void perf_session__remove_thread(struct perf_session *session,
+ struct thread *th)
+{
+ /*
+ * FIXME: This one makes no sense, we need to remove the thread from
+ * the machine it belongs to, perf_session can have many machines, so
+ * doing it always on ->host_machine is wrong. Fix when auditing all
+ * the 'perf kvm' code.
+ */
+ machine__remove_thread(&session->host_machine, th);
+}
+
struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
unsigned int type)
{
@@ -1236,17 +1291,16 @@ struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
return NULL;
}
-void perf_session__print_ip(union perf_event *event,
- struct perf_sample *sample,
- struct perf_session *session,
- int print_sym, int print_dso)
+void perf_event__print_ip(union perf_event *event, struct perf_sample *sample,
+ struct machine *machine, struct perf_evsel *evsel,
+ int print_sym, int print_dso)
{
struct addr_location al;
const char *symname, *dsoname;
- struct callchain_cursor *cursor = &session->callchain_cursor;
+ struct callchain_cursor *cursor = &evsel->hists.callchain_cursor;
struct callchain_cursor_node *node;
- if (perf_event__preprocess_sample(event, session, &al, sample,
+ if (perf_event__preprocess_sample(event, machine, &al, sample,
NULL) < 0) {
error("problem processing %d event, skipping it.\n",
event->header.type);
@@ -1255,7 +1309,7 @@ void perf_session__print_ip(union perf_event *event,
if (symbol_conf.use_callchain && sample->callchain) {
- if (perf_session__resolve_callchain(session, al.thread,
+ if (machine__resolve_callchain(machine, evsel, al.thread,
sample->callchain, NULL) != 0) {
if (verbose)
error("Failed to resolve callchain. Skipping\n");
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index 6e393c98eb34..37bc38381fb6 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -30,9 +30,6 @@ struct perf_session {
struct perf_header header;
unsigned long size;
unsigned long mmap_window;
- struct rb_root threads;
- struct list_head dead_threads;
- struct thread *last_match;
struct machine host_machine;
struct rb_root machines;
struct perf_evlist *evlist;
@@ -53,65 +50,31 @@ struct perf_session {
int cwdlen;
char *cwd;
struct ordered_samples ordered_samples;
- struct callchain_cursor callchain_cursor;
- char filename[0];
+ char filename[1];
};
-struct perf_evsel;
-struct perf_event_ops;
-
-typedef int (*event_sample)(union perf_event *event, struct perf_sample *sample,
- struct perf_evsel *evsel, struct perf_session *session);
-typedef int (*event_op)(union perf_event *self, struct perf_sample *sample,
- struct perf_session *session);
-typedef int (*event_synth_op)(union perf_event *self,
- struct perf_session *session);
-typedef int (*event_op2)(union perf_event *self, struct perf_session *session,
- struct perf_event_ops *ops);
-
-struct perf_event_ops {
- event_sample sample;
- event_op mmap,
- comm,
- fork,
- exit,
- lost,
- read,
- throttle,
- unthrottle;
- event_synth_op attr,
- event_type,
- tracing_data,
- build_id;
- event_op2 finished_round;
- bool ordered_samples;
- bool ordering_requires_timestamps;
-};
+struct perf_tool;
struct perf_session *perf_session__new(const char *filename, int mode,
bool force, bool repipe,
- struct perf_event_ops *ops);
+ struct perf_tool *tool);
void perf_session__delete(struct perf_session *self);
void perf_event_header__bswap(struct perf_event_header *self);
int __perf_session__process_events(struct perf_session *self,
u64 data_offset, u64 data_size, u64 size,
- struct perf_event_ops *ops);
+ struct perf_tool *tool);
int perf_session__process_events(struct perf_session *self,
- struct perf_event_ops *event_ops);
+ struct perf_tool *tool);
-int perf_session__resolve_callchain(struct perf_session *self,
+int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel,
struct thread *thread,
struct ip_callchain *chain,
struct symbol **parent);
bool perf_session__has_traces(struct perf_session *self, const char *msg);
-int perf_session__set_kallsyms_ref_reloc_sym(struct map **maps,
- const char *symbol_name,
- u64 addr);
-
void mem_bswap_64(void *src, int byte_size);
void perf_event__attr_swap(struct perf_event_attr *attr);
@@ -144,12 +107,16 @@ struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t p
static inline
void perf_session__process_machines(struct perf_session *self,
+ struct perf_tool *tool,
machine__process_t process)
{
- process(&self->host_machine, self);
- return machines__process(&self->machines, process, self);
+ process(&self->host_machine, tool);
+ return machines__process(&self->machines, process, tool);
}
+struct thread *perf_session__findnew(struct perf_session *self, pid_t pid);
+size_t perf_session__fprintf(struct perf_session *self, FILE *fp);
+
size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
size_t perf_session__fprintf_dsos_buildid(struct perf_session *self,
@@ -167,13 +134,20 @@ static inline int perf_session__parse_sample(struct perf_session *session,
session->header.needs_swap);
}
+static inline int perf_session__synthesize_sample(struct perf_session *session,
+ union perf_event *event,
+ const struct perf_sample *sample)
+{
+ return perf_event__synthesize_sample(event, session->sample_type,
+ sample, session->header.needs_swap);
+}
+
struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
unsigned int type);
-void perf_session__print_ip(union perf_event *event,
- struct perf_sample *sample,
- struct perf_session *session,
- int print_sym, int print_dso);
+void perf_event__print_ip(union perf_event *event, struct perf_sample *sample,
+ struct machine *machine, struct perf_evsel *evsel,
+ int print_sym, int print_dso);
int perf_session__cpu_bitmap(struct perf_session *session,
const char *cpu_list, unsigned long *cpu_bitmap);
diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py
index 95d370074928..36d4c5619575 100644
--- a/tools/perf/util/setup.py
+++ b/tools/perf/util/setup.py
@@ -27,7 +27,8 @@ build_tmp = getenv('PYTHON_EXTBUILD_TMP')
perf = Extension('perf',
sources = ['util/python.c', 'util/ctype.c', 'util/evlist.c',
'util/evsel.c', 'util/cpumap.c', 'util/thread_map.c',
- 'util/util.c', 'util/xyarray.c', 'util/cgroup.c'],
+ 'util/util.c', 'util/xyarray.c', 'util/cgroup.c',
+ 'util/debugfs.c'],
include_dirs = ['util/include'],
extra_compile_args = cflags,
)
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 632b50c7bc26..215d50f2042e 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1757,7 +1757,7 @@ static int map_groups__set_modules_path_dir(struct map_groups *mg,
struct stat st;
/*sshfs might return bad dent->d_type, so we have to stat*/
- sprintf(path, "%s/%s", dir_name, dent->d_name);
+ snprintf(path, sizeof(path), "%s/%s", dir_name, dent->d_name);
if (stat(path, &st))
continue;
@@ -1766,8 +1766,6 @@ static int map_groups__set_modules_path_dir(struct map_groups *mg,
!strcmp(dent->d_name, ".."))
continue;
- snprintf(path, sizeof(path), "%s/%s",
- dir_name, dent->d_name);
ret = map_groups__set_modules_path_dir(mg, path);
if (ret < 0)
goto out;
@@ -1788,9 +1786,6 @@ static int map_groups__set_modules_path_dir(struct map_groups *mg,
if (map == NULL)
continue;
- snprintf(path, sizeof(path), "%s/%s",
- dir_name, dent->d_name);
-
long_name = strdup(path);
if (long_name == NULL) {
ret = -1;
@@ -2609,10 +2604,10 @@ int symbol__init(void)
symbol_conf.initialized = true;
return 0;
-out_free_dso_list:
- strlist__delete(symbol_conf.dso_list);
out_free_comm_list:
strlist__delete(symbol_conf.comm_list);
+out_free_dso_list:
+ strlist__delete(symbol_conf.dso_list);
return -1;
}
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 29f8d742e92f..123c2e14353e 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -68,6 +68,7 @@ struct strlist;
struct symbol_conf {
unsigned short priv_size;
+ unsigned short nr_events;
bool try_vmlinux_path,
use_modules,
sort_by_name,
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index d5d3b22250f3..fb4b7ea6752f 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -61,7 +61,7 @@ static size_t thread__fprintf(struct thread *self, FILE *fp)
map_groups__fprintf(&self->mg, verbose, fp);
}
-struct thread *perf_session__findnew(struct perf_session *self, pid_t pid)
+struct thread *machine__findnew_thread(struct machine *self, pid_t pid)
{
struct rb_node **p = &self->threads.rb_node;
struct rb_node *parent = NULL;
@@ -125,12 +125,12 @@ int thread__fork(struct thread *self, struct thread *parent)
return 0;
}
-size_t perf_session__fprintf(struct perf_session *self, FILE *fp)
+size_t machine__fprintf(struct machine *machine, FILE *fp)
{
size_t ret = 0;
struct rb_node *nd;
- for (nd = rb_first(&self->threads); nd; nd = rb_next(nd)) {
+ for (nd = rb_first(&machine->threads); nd; nd = rb_next(nd)) {
struct thread *pos = rb_entry(nd, struct thread, rb_node);
ret += thread__fprintf(pos, fp);
diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h
index e5f2401c1b5e..70c2c13ff679 100644
--- a/tools/perf/util/thread.h
+++ b/tools/perf/util/thread.h
@@ -18,16 +18,14 @@ struct thread {
int comm_len;
};
-struct perf_session;
+struct machine;
void thread__delete(struct thread *self);
int thread__set_comm(struct thread *self, const char *comm);
int thread__comm_len(struct thread *self);
-struct thread *perf_session__findnew(struct perf_session *self, pid_t pid);
void thread__insert_map(struct thread *self, struct map *map);
int thread__fork(struct thread *self, struct thread *parent);
-size_t perf_session__fprintf(struct perf_session *self, FILE *fp);
static inline struct map *thread__find_map(struct thread *self,
enum map_type type, u64 addr)
@@ -35,14 +33,12 @@ static inline struct map *thread__find_map(struct thread *self,
return self ? map_groups__find(&self->mg, type, addr) : NULL;
}
-void thread__find_addr_map(struct thread *self,
- struct perf_session *session, u8 cpumode,
- enum map_type type, pid_t pid, u64 addr,
+void thread__find_addr_map(struct thread *thread, struct machine *machine,
+ u8 cpumode, enum map_type type, u64 addr,
struct addr_location *al);
-void thread__find_addr_location(struct thread *self,
- struct perf_session *session, u8 cpumode,
- enum map_type type, pid_t pid, u64 addr,
+void thread__find_addr_location(struct thread *thread, struct machine *machine,
+ u8 cpumode, enum map_type type, u64 addr,
struct addr_location *al,
symbol_filter_t filter);
#endif /* __PERF_THREAD_H */
diff --git a/tools/perf/util/tool.h b/tools/perf/util/tool.h
new file mode 100644
index 000000000000..b0e1aadba8d5
--- /dev/null
+++ b/tools/perf/util/tool.h
@@ -0,0 +1,50 @@
+#ifndef __PERF_TOOL_H
+#define __PERF_TOOL_H
+
+#include <stdbool.h>
+
+struct perf_session;
+union perf_event;
+struct perf_evlist;
+struct perf_evsel;
+struct perf_sample;
+struct perf_tool;
+struct machine;
+
+typedef int (*event_sample)(struct perf_tool *tool, union perf_event *event,
+ struct perf_sample *sample,
+ struct perf_evsel *evsel, struct machine *machine);
+
+typedef int (*event_op)(struct perf_tool *tool, union perf_event *event,
+ struct perf_sample *sample, struct machine *machine);
+
+typedef int (*event_attr_op)(union perf_event *event,
+ struct perf_evlist **pevlist);
+typedef int (*event_simple_op)(struct perf_tool *tool, union perf_event *event);
+
+typedef int (*event_synth_op)(union perf_event *event,
+ struct perf_session *session);
+
+typedef int (*event_op2)(struct perf_tool *tool, union perf_event *event,
+ struct perf_session *session);
+
+struct perf_tool {
+ event_sample sample,
+ read;
+ event_op mmap,
+ comm,
+ fork,
+ exit,
+ lost,
+ throttle,
+ unthrottle;
+ event_attr_op attr;
+ event_synth_op tracing_data;
+ event_simple_op event_type;
+ event_op2 finished_round,
+ build_id;
+ bool ordered_samples;
+ bool ordering_requires_timestamps;
+};
+
+#endif /* __PERF_TOOL_H */
diff --git a/tools/perf/util/top.h b/tools/perf/util/top.h
index 399650967958..a248f3c2c60d 100644
--- a/tools/perf/util/top.h
+++ b/tools/perf/util/top.h
@@ -1,15 +1,17 @@
#ifndef __PERF_TOP_H
#define __PERF_TOP_H 1
+#include "tool.h"
#include "types.h"
-#include "../perf.h"
#include <stddef.h>
+#include <stdbool.h>
struct perf_evlist;
struct perf_evsel;
struct perf_session;
struct perf_top {
+ struct perf_tool tool;
struct perf_evlist *evlist;
/*
* Symbols will be added here in perf_event__process_sample and will
@@ -23,10 +25,26 @@ struct perf_top {
int freq;
pid_t target_pid, target_tid;
bool hide_kernel_symbols, hide_user_symbols, zero;
+ bool system_wide;
+ bool use_tui, use_stdio;
+ bool sort_has_symbols;
+ bool dont_use_callchains;
+ bool kptr_restrict_warned;
+ bool vmlinux_warned;
+ bool inherit;
+ bool group;
+ bool sample_id_all_avail;
+ bool dump_symtab;
const char *cpu_list;
struct hist_entry *sym_filter_entry;
struct perf_evsel *sym_evsel;
struct perf_session *session;
+ struct winsize winsize;
+ unsigned int mmap_pages;
+ int default_interval;
+ int realtime_prio;
+ int sym_pcnt_filter;
+ const char *sym_filter;
};
size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size);
diff --git a/tools/perf/util/trace-event-info.c b/tools/perf/util/trace-event-info.c
index d2655f08bcc0..ac6830d8292b 100644
--- a/tools/perf/util/trace-event-info.c
+++ b/tools/perf/util/trace-event-info.c
@@ -18,7 +18,8 @@
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
-#define _GNU_SOURCE
+#include <ctype.h>
+#include "util.h"
#include <dirent.h>
#include <mntent.h>
#include <stdio.h>
@@ -31,7 +32,6 @@
#include <pthread.h>
#include <fcntl.h>
#include <unistd.h>
-#include <ctype.h>
#include <errno.h>
#include <stdbool.h>
#include <linux/list.h>
@@ -44,10 +44,6 @@
#define VERSION "0.5"
-#define _STR(x) #x
-#define STR(x) _STR(x)
-#define MAX_PATH 256
-
#define TRACE_CTRL "tracing_on"
#define TRACE "trace"
#define AVAILABLE "available_tracers"
@@ -73,26 +69,6 @@ struct events {
};
-
-static void die(const char *fmt, ...)
-{
- va_list ap;
- int ret = errno;
-
- if (errno)
- perror("perf");
- else
- ret = -1;
-
- va_start(ap, fmt);
- fprintf(stderr, " ");
- vfprintf(stderr, fmt, ap);
- va_end(ap);
-
- fprintf(stderr, "\n");
- exit(ret);
-}
-
void *malloc_or_die(unsigned int size)
{
void *data;
diff --git a/tools/perf/util/trace-event-scripting.c b/tools/perf/util/trace-event-scripting.c
index c9dcbec7d800..a3fdf55f317b 100644
--- a/tools/perf/util/trace-event-scripting.c
+++ b/tools/perf/util/trace-event-scripting.c
@@ -39,7 +39,7 @@ static int stop_script_unsupported(void)
static void process_event_unsupported(union perf_event *event __unused,
struct perf_sample *sample __unused,
struct perf_evsel *evsel __unused,
- struct perf_session *session __unused,
+ struct machine *machine __unused,
struct thread *thread __unused)
{
}
diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h
index a84100817649..58ae14c5baac 100644
--- a/tools/perf/util/trace-event.h
+++ b/tools/perf/util/trace-event.h
@@ -3,7 +3,11 @@
#include <stdbool.h>
#include "parse-events.h"
-#include "session.h"
+
+struct machine;
+struct perf_sample;
+union perf_event;
+struct thread;
#define __unused __attribute__((unused))
@@ -292,7 +296,7 @@ struct scripting_ops {
void (*process_event) (union perf_event *event,
struct perf_sample *sample,
struct perf_evsel *evsel,
- struct perf_session *session,
+ struct machine *machine,
struct thread *thread);
int (*generate_script) (const char *outfile);
};
diff --git a/tools/perf/util/ui/browsers/annotate.c b/tools/perf/util/ui/browsers/annotate.c
index 0575905d1205..295a9c93f945 100644
--- a/tools/perf/util/ui/browsers/annotate.c
+++ b/tools/perf/util/ui/browsers/annotate.c
@@ -224,7 +224,7 @@ static bool annotate_browser__toggle_source(struct annotate_browser *browser)
}
static int annotate_browser__run(struct annotate_browser *self, int evidx,
- int nr_events, void(*timer)(void *arg),
+ void(*timer)(void *arg),
void *arg, int delay_secs)
{
struct rb_node *nd = NULL;
@@ -328,8 +328,7 @@ static int annotate_browser__run(struct annotate_browser *self, int evidx,
notes = symbol__annotation(target);
pthread_mutex_lock(&notes->lock);
- if (notes->src == NULL &&
- symbol__alloc_hist(target, nr_events) < 0) {
+ if (notes->src == NULL && symbol__alloc_hist(target) < 0) {
pthread_mutex_unlock(&notes->lock);
ui__warning("Not enough memory for annotating '%s' symbol!\n",
target->name);
@@ -337,7 +336,7 @@ static int annotate_browser__run(struct annotate_browser *self, int evidx,
}
pthread_mutex_unlock(&notes->lock);
- symbol__tui_annotate(target, ms->map, evidx, nr_events,
+ symbol__tui_annotate(target, ms->map, evidx,
timer, arg, delay_secs);
}
continue;
@@ -358,15 +357,15 @@ out:
return key;
}
-int hist_entry__tui_annotate(struct hist_entry *he, int evidx, int nr_events,
+int hist_entry__tui_annotate(struct hist_entry *he, int evidx,
void(*timer)(void *arg), void *arg, int delay_secs)
{
- return symbol__tui_annotate(he->ms.sym, he->ms.map, evidx, nr_events,
+ return symbol__tui_annotate(he->ms.sym, he->ms.map, evidx,
timer, arg, delay_secs);
}
int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
- int nr_events, void(*timer)(void *arg), void *arg,
+ void(*timer)(void *arg), void *arg,
int delay_secs)
{
struct objdump_line *pos, *n;
@@ -419,8 +418,7 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
browser.b.nr_entries = browser.nr_entries;
browser.b.entries = &notes->src->source,
browser.b.width += 18; /* Percentage */
- ret = annotate_browser__run(&browser, evidx, nr_events,
- timer, arg, delay_secs);
+ ret = annotate_browser__run(&browser, evidx, timer, arg, delay_secs);
list_for_each_entry_safe(pos, n, &notes->src->source, node) {
list_del(&pos->node);
objdump_line__free(pos);
diff --git a/tools/perf/util/ui/browsers/hists.c b/tools/perf/util/ui/browsers/hists.c
index d0c94b459685..1212a386a033 100644
--- a/tools/perf/util/ui/browsers/hists.c
+++ b/tools/perf/util/ui/browsers/hists.c
@@ -1020,7 +1020,7 @@ do_annotate:
* Don't let this be freed, say, by hists__decay_entry.
*/
he->used = true;
- err = hist_entry__tui_annotate(he, evsel->idx, nr_events,
+ err = hist_entry__tui_annotate(he, evsel->idx,
timer, arg, delay_secs);
he->used = false;
ui_browser__update_nr_entries(&browser->b, browser->hists->nr_entries);
diff --git a/tools/perf/util/ui/progress.c b/tools/perf/util/ui/progress.c
index 295e366b6311..13aa64e50e11 100644
--- a/tools/perf/util/ui/progress.c
+++ b/tools/perf/util/ui/progress.c
@@ -14,6 +14,9 @@ void ui_progress__update(u64 curr, u64 total, const char *title)
if (use_browser <= 0)
return;
+ if (total == 0)
+ return;
+
ui__refresh_dimensions(true);
pthread_mutex_lock(&ui__lock);
y = SLtt_Screen_Rows / 2 - 2;
diff --git a/tools/perf/util/usage.c b/tools/perf/util/usage.c
index e16bf9a707e8..d76d1c0ff98f 100644
--- a/tools/perf/util/usage.c
+++ b/tools/perf/util/usage.c
@@ -1,5 +1,8 @@
/*
- * GIT - The information manager from hell
+ * usage.c
+ *
+ * Various reporting routines.
+ * Originally copied from GIT source.
*
* Copyright (C) Linus Torvalds, 2005
*/
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 0128906bac88..37be34dff798 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -245,4 +245,15 @@ int readn(int fd, void *buf, size_t size);
#define _STR(x) #x
#define STR(x) _STR(x)
+/*
+ * Determine whether some value is a power of two, where zero is
+ * *not* considered a power of two.
+ */
+
+static inline __attribute__((const))
+bool is_power_of_2(unsigned long n)
+{
+ return (n != 0 && ((n & (n - 1)) == 0));
+}
+
#endif
diff --git a/tools/perf/util/values.c b/tools/perf/util/values.c
index bdd33470b235..697c8b4e59cc 100644
--- a/tools/perf/util/values.c
+++ b/tools/perf/util/values.c
@@ -32,6 +32,7 @@ void perf_read_values_destroy(struct perf_read_values *values)
for (i = 0; i < values->threads; i++)
free(values->value[i]);
+ free(values->value);
free(values->pid);
free(values->tid);
free(values->counterrawid);