diff options
Diffstat (limited to 'arch/powerpc/perf')
| -rw-r--r-- | arch/powerpc/perf/core-book3s.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c index a00b364fb9d7..e032aeff3d6b 100644 --- a/arch/powerpc/perf/core-book3s.c +++ b/arch/powerpc/perf/core-book3s.c @@ -1839,6 +1839,18 @@ static int hw_perf_cache_event(u64 config, u64 *eventp) return 0; } +static bool is_event_blacklisted(u64 ev) +{ + int i; + + for (i=0; i < ppmu->n_blacklist_ev; i++) { + if (ppmu->blacklist_ev[i] == ev) + return true; + } + + return false; +} + static int power_pmu_event_init(struct perf_event *event) { u64 ev; @@ -1864,15 +1876,24 @@ static int power_pmu_event_init(struct perf_event *event) ev = event->attr.config; if (ev >= ppmu->n_generic || ppmu->generic_events[ev] == 0) return -EOPNOTSUPP; + + if (ppmu->blacklist_ev && is_event_blacklisted(ev)) + return -EINVAL; ev = ppmu->generic_events[ev]; break; case PERF_TYPE_HW_CACHE: err = hw_perf_cache_event(event->attr.config, &ev); if (err) return err; + + if (ppmu->blacklist_ev && is_event_blacklisted(ev)) + return -EINVAL; break; case PERF_TYPE_RAW: ev = event->attr.config; + + if (ppmu->blacklist_ev && is_event_blacklisted(ev)) + return -EINVAL; break; default: return -ENOENT; |