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Diffstat (limited to 'arch/x86/events/perf_event.h')
-rw-r--r--arch/x86/events/perf_event.h11
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h
index 2c0ce0e9545e..46d120597bab 100644
--- a/arch/x86/events/perf_event.h
+++ b/arch/x86/events/perf_event.h
@@ -110,14 +110,21 @@ static inline bool is_topdown_event(struct perf_event *event)
return is_metric_event(event) || is_slots_event(event);
}
+int is_x86_event(struct perf_event *event);
+
+static inline bool check_leader_group(struct perf_event *leader, int flags)
+{
+ return is_x86_event(leader) ? !!(leader->hw.flags & flags) : false;
+}
+
static inline bool is_branch_counters_group(struct perf_event *event)
{
- return event->group_leader->hw.flags & PERF_X86_EVENT_BRANCH_COUNTERS;
+ return check_leader_group(event->group_leader, PERF_X86_EVENT_BRANCH_COUNTERS);
}
static inline bool is_pebs_counter_event_group(struct perf_event *event)
{
- return event->group_leader->hw.flags & PERF_X86_EVENT_PEBS_CNTR;
+ return check_leader_group(event->group_leader, PERF_X86_EVENT_PEBS_CNTR);
}
struct amd_nb {