perf_pmu__caps_parse
if (!perf_pmu__caps_parse(pmu))
ret = perf_pmu__caps_parse(pmu);
if (perf_pmu__caps_parse(pmu) <= 0)
ret = perf_pmu__caps_parse(cpu_pmu);
if (perf_pmu__caps_parse(pmu) <= 0)
if (perf_pmu__caps_parse(pmu) <= 0)
int perf_pmu__caps_parse(struct perf_pmu *pmu);