UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

perf stat record: Store events IDs in perf data file 

Store event IDs in evlist object so it get stored into perf.data file.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Kan Liang <kan.liang@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1446734469-11352-6-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2015-11-05 15:40:49 +01:00 committed by Arnaldo Carvalho de Melo
parent 1c59612de0
commit 2af4646d10
1 changed files with 35 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
tools/perf/builtin-stat.c
View File

@ -346,6 +346,38 @@ static int perf_stat_synthesize_config(void)
return 0;
}
#define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y))
static int __store_counter_ids(struct perf_evsel *counter,
struct cpu_map *cpus,
struct thread_map *threads)
{
int cpu, thread;
for (cpu = 0; cpu < cpus->nr; cpu++) {
for (thread = 0; thread < threads->nr; thread++) {
int fd = FD(counter, cpu, thread);
if (perf_evlist__id_add_fd(evsel_list, counter,
cpu, thread, fd) < 0)
return -1;
}
}
return 0;
}
static int store_counter_ids(struct perf_evsel *counter)
{
struct cpu_map *cpus = counter->cpus;
struct thread_map *threads = counter->threads;
if (perf_evsel__alloc_id(counter, cpus->nr, threads->nr))
return -ENOMEM;
return __store_counter_ids(counter, cpus, threads);
}
static int __run_perf_stat(int argc, const char **argv)
{
int interval = stat_config.interval;
@ -410,6 +442,9 @@ static int __run_perf_stat(int argc, const char **argv)
l = strlen(counter->unit);
if (l > unit_width)
unit_width = l;
if (STAT_RECORD && store_counter_ids(counter))
return -1;
}
if (perf_evlist__apply_filters(evsel_list, &counter)) {