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-rw-r--r--tools/perf/util/dso.h47
1 files changed, 36 insertions, 11 deletions
diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h
index e0901b4ed8de..2fe98bb0e95b 100644
--- a/tools/perf/util/dso.h
+++ b/tools/perf/util/dso.h
@@ -1,9 +1,11 @@
#ifndef __PERF_DSO
#define __PERF_DSO
+#include <linux/atomic.h>
#include <linux/types.h>
#include <linux/rbtree.h>
#include <stdbool.h>
+#include <pthread.h>
#include <linux/types.h>
#include <linux/bitops.h>
#include "map.h"
@@ -124,9 +126,13 @@ struct dso_cache {
struct dsos {
struct list_head head;
struct rb_root root; /* rbtree root sorted by long name */
+ pthread_rwlock_t lock;
};
+struct auxtrace_cache;
+
struct dso {
+ pthread_mutex_t lock;
struct list_head node;
struct rb_node rb_node; /* rbtree node sorted by long name */
struct rb_root symbols[MAP__NR_TYPES];
@@ -156,6 +162,7 @@ struct dso {
u16 long_name_len;
u16 short_name_len;
void *dwfl; /* DWARF debug info */
+ struct auxtrace_cache *auxtrace_cache;
/* dso data file */
struct {
@@ -173,7 +180,7 @@ struct dso {
void *priv;
u64 db_id;
};
-
+ atomic_t refcnt;
char name[0];
};
@@ -200,6 +207,17 @@ void dso__set_long_name(struct dso *dso, const char *name, bool name_allocated);
int dso__name_len(const struct dso *dso);
+struct dso *dso__get(struct dso *dso);
+void dso__put(struct dso *dso);
+
+static inline void __dso__zput(struct dso **dso)
+{
+ dso__put(*dso);
+ *dso = NULL;
+}
+
+#define dso__zput(dso) __dso__zput(&dso)
+
bool dso__loaded(const struct dso *dso, enum map_type type);
bool dso__sorted_by_name(const struct dso *dso, enum map_type type);
@@ -216,7 +234,7 @@ char dso__symtab_origin(const struct dso *dso);
int dso__read_binary_type_filename(const struct dso *dso, enum dso_binary_type type,
char *root_dir, char *filename, size_t size);
bool is_supported_compression(const char *ext);
-bool is_kernel_module(const char *pathname);
+bool is_kernel_module(const char *pathname, int cpumode);
bool decompress_to_file(const char *ext, const char *filename, int output_fd);
bool dso__needs_decompress(struct dso *dso);
@@ -236,7 +254,8 @@ int __kmod_path__parse(struct kmod_path *m, const char *path,
/*
* The dso__data_* external interface provides following functions:
- * dso__data_fd
+ * dso__data_get_fd
+ * dso__data_put_fd
* dso__data_close
* dso__data_size
* dso__data_read_offset
@@ -253,8 +272,11 @@ int __kmod_path__parse(struct kmod_path *m, const char *path,
* The current usage of the dso__data_* interface is as follows:
*
* Get DSO's fd:
- * int fd = dso__data_fd(dso, machine);
- * USE 'fd' SOMEHOW
+ * int fd = dso__data_get_fd(dso, machine);
+ * if (fd >= 0) {
+ * USE 'fd' SOMEHOW
+ * dso__data_put_fd(dso);
+ * }
*
* Read DSO's data:
* n = dso__data_read_offset(dso_0, &machine, 0, buf, BUFSIZE);
@@ -273,7 +295,8 @@ int __kmod_path__parse(struct kmod_path *m, const char *path,
*
* TODO
*/
-int dso__data_fd(struct dso *dso, struct machine *machine);
+int dso__data_get_fd(struct dso *dso, struct machine *machine);
+void dso__data_put_fd(struct dso *dso __maybe_unused);
void dso__data_close(struct dso *dso);
off_t dso__data_size(struct dso *dso, struct machine *machine);
@@ -285,14 +308,16 @@ ssize_t dso__data_read_addr(struct dso *dso, struct map *map,
bool dso__data_status_seen(struct dso *dso, enum dso_data_status_seen by);
struct map *dso__new_map(const char *name);
-struct dso *dso__kernel_findnew(struct machine *machine, const char *name,
- const char *short_name, int dso_type);
+struct dso *machine__findnew_kernel(struct machine *machine, const char *name,
+ const char *short_name, int dso_type);
+void __dsos__add(struct dsos *dsos, struct dso *dso);
void dsos__add(struct dsos *dsos, struct dso *dso);
-struct dso *dsos__addnew(struct dsos *dsos, const char *name);
-struct dso *dsos__find(const struct dsos *dsos, const char *name,
- bool cmp_short);
+struct dso *__dsos__addnew(struct dsos *dsos, const char *name);
+struct dso *__dsos__find(struct dsos *dsos, const char *name, bool cmp_short);
+struct dso *dsos__find(struct dsos *dsos, const char *name, bool cmp_short);
struct dso *__dsos__findnew(struct dsos *dsos, const char *name);
+struct dso *dsos__findnew(struct dsos *dsos, const char *name);
bool __dsos__read_build_ids(struct list_head *head, bool with_hits);
size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp,