diff options
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/util/evsel.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index ee0fe0dffa71..cca29ededb5b 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -35,7 +35,17 @@ struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx) int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads) { + int cpu, thread; evsel->fd = xyarray__new(ncpus, nthreads, sizeof(int)); + + if (evsel->fd) { + for (cpu = 0; cpu < ncpus; cpu++) { + for (thread = 0; thread < nthreads; thread++) { + FD(evsel, cpu, thread) = -1; + } + } + } + return evsel->fd != NULL ? 0 : -ENOMEM; } |