perf_env__find_pmu_cap
if (perf_env__find_pmu_cap(env, "ibs_op", "zen4_ibs_extensions"))
if (perf_env__find_pmu_cap(env, "ibs_op", "ldlat"))
if (perf_env__find_pmu_cap(env, "ibs_op", "dtlb_pgsize"))
if (perf_env__find_pmu_cap(env, "ibs_op", "rmtsocket"))
if (perf_env__find_pmu_cap(env, "ibs_op", "strmst"))
char *perf_env__find_pmu_cap(struct perf_env *env, const char *pmu_name,
char *max_precise = perf_env__find_pmu_cap(env, "cpu", "max_precise");