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-rw-r--r--tools/perf/builtin-record.c26
1 files changed, 8 insertions, 18 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 80dc5b790e47..f4c3fbee4bad 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -30,8 +30,6 @@
#include <sched.h>
#include <sys/mman.h>
-#define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y))
-
enum write_mode_t {
WRITE_FORCE,
WRITE_APPEND
@@ -47,7 +45,7 @@ static int freq = 1000;
static int output;
static int pipe_output = 0;
static const char *output_name = NULL;
-static int group = 0;
+static bool group = false;
static int realtime_prio = 0;
static bool nodelay = false;
static bool raw_samples = false;
@@ -163,6 +161,7 @@ static void config_attr(struct perf_evsel *evsel, struct perf_evlist *evlist)
struct perf_event_attr *attr = &evsel->attr;
int track = !evsel->idx; /* only the first counter needs these */
+ attr->disabled = 1;
attr->inherit = !no_inherit;
attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED |
PERF_FORMAT_TOTAL_TIME_RUNNING |
@@ -438,7 +437,6 @@ static void mmap_read_all(void)
static int __cmd_record(int argc, const char **argv)
{
- int i;
struct stat st;
int flags;
int err;
@@ -674,6 +672,8 @@ static int __cmd_record(int argc, const char **argv)
}
}
+ perf_evlist__enable(evsel_list);
+
/*
* Let the child rip
*/
@@ -682,7 +682,6 @@ static int __cmd_record(int argc, const char **argv)
for (;;) {
int hits = samples;
- int thread;
mmap_read_all();
@@ -693,19 +692,8 @@ static int __cmd_record(int argc, const char **argv)
waking++;
}
- if (done) {
- for (i = 0; i < evsel_list->cpus->nr; i++) {
- struct perf_evsel *pos;
-
- list_for_each_entry(pos, &evsel_list->entries, node) {
- for (thread = 0;
- thread < evsel_list->threads->nr;
- thread++)
- ioctl(FD(pos, i, thread),
- PERF_EVENT_IOC_DISABLE);
- }
- }
- }
+ if (done)
+ perf_evlist__disable(evsel_list);
}
if (quiet || signr == SIGUSR1)
@@ -768,6 +756,8 @@ const struct option record_options[] = {
"child tasks do not inherit counters"),
OPT_UINTEGER('F', "freq", &user_freq, "profile at this frequency"),
OPT_UINTEGER('m', "mmap-pages", &mmap_pages, "number of mmap data pages"),
+ OPT_BOOLEAN(0, "group", &group,
+ "put the counters into a counter group"),
OPT_BOOLEAN('g', "call-graph", &call_graph,
"do call-graph (stack chain/backtrace) recording"),
OPT_INCR('v', "verbose", &verbose,