perf_pmu__have_event
if (perf_pmu__have_event(pmu, "mem-loads-aux"))
if (pmu && perf_pmu__have_event(pmu, "slots"))
if (perf_pmu__have_event(pmu, term->val.str)) {
if (!perf_pmu__have_event(pmu, event_name))
bool perf_pmu__have_event(struct perf_pmu *pmu, const char *name);
return pmu && perf_pmu__have_event(pmu, name);