diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/events/core.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c index 12ecd4f0329f..bc6371b0e4fb 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -1539,12 +1539,33 @@ static int __init perf_workqueue_init(void) core_initcall(perf_workqueue_init); -static inline int pmu_filter_match(struct perf_event *event) +static inline int __pmu_filter_match(struct perf_event *event) { struct pmu *pmu = event->pmu; return pmu->filter_match ? pmu->filter_match(event) : 1; } +/* + * Check whether we should attempt to schedule an event group based on + * PMU-specific filtering. An event group can consist of HW and SW events, + * potentially with a SW leader, so we must check all the filters, to + * determine whether a group is schedulable: + */ +static inline int pmu_filter_match(struct perf_event *event) +{ + struct perf_event *child; + + if (!__pmu_filter_match(event)) + return 0; + + list_for_each_entry(child, &event->sibling_list, group_entry) { + if (!__pmu_filter_match(child)) + return 0; + } + + return 1; +} + static inline int event_filter_match(struct perf_event *event) { |