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-rw-r--r--tools/perf/util/evsel.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 211063eed474..c974e08d07ab 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -85,6 +85,7 @@ void perf_evsel__exit(struct perf_evsel *evsel)
void perf_evsel__delete(struct perf_evsel *evsel)
{
perf_evsel__exit(evsel);
+ close_cgroup(evsel->cgrp);
free(evsel);
}
@@ -163,21 +164,32 @@ static int __perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
struct thread_map *threads, bool group, bool inherit)
{
int cpu, thread;
+ unsigned long flags = 0;
+ int pid = -1;
if (evsel->fd == NULL &&
perf_evsel__alloc_fd(evsel, cpus->nr, threads->nr) < 0)
return -1;
+ if (evsel->cgrp) {
+ flags = PERF_FLAG_PID_CGROUP;
+ pid = evsel->cgrp->fd;
+ }
+
for (cpu = 0; cpu < cpus->nr; cpu++) {
int group_fd = -1;
evsel->attr.inherit = (cpus->map[cpu] < 0) && inherit;
for (thread = 0; thread < threads->nr; thread++) {
+
+ if (!evsel->cgrp)
+ pid = threads->map[thread];
+
FD(evsel, cpu, thread) = sys_perf_event_open(&evsel->attr,
- threads->map[thread],
+ pid,
cpus->map[cpu],
- group_fd, 0);
+ group_fd, flags);
if (FD(evsel, cpu, thread) < 0)
goto out_close;