diff options
Diffstat (limited to 'tools/perf/util/cgroup.c')
| -rw-r--r-- | tools/perf/util/cgroup.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/tools/perf/util/cgroup.c b/tools/perf/util/cgroup.c index 984f69144f87..5dd9b5ea314d 100644 --- a/tools/perf/util/cgroup.c +++ b/tools/perf/util/cgroup.c @@ -157,9 +157,11 @@ int parse_cgroups(const struct option *opt __maybe_unused, const char *str, int unset __maybe_unused) { struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; + struct perf_evsel *counter; + struct cgroup_sel *cgrp = NULL; const char *p, *e, *eos = str + strlen(str); char *s; - int ret; + int ret, i; if (list_empty(&evlist->entries)) { fprintf(stderr, "must define events before cgroups\n"); @@ -188,5 +190,18 @@ int parse_cgroups(const struct option *opt __maybe_unused, const char *str, break; str = p+1; } + /* for the case one cgroup combine to multiple events */ + i = 0; + if (nr_cgroups == 1) { + evlist__for_each_entry(evlist, counter) { + if (i == 0) + cgrp = counter->cgrp; + else { + counter->cgrp = cgrp; + refcount_inc(&cgrp->refcnt); + } + i++; + } + } return 0; } |