perf_event_open  1535 tools/perf/util/evsel.c static int perf_event_open(struct evsel *evsel,
perf_event_open    16 tools/testing/selftests/powerpc/pmu/event.c int perf_event_open(struct perf_event_attr *attr, pid_t pid, int cpu,
perf_event_open   174 tools/testing/selftests/powerpc/utils.c static long perf_event_open(struct perf_event_attr *hw_event, pid_t pid,