perf/x86/intel: Check the X86 leader for pebs_counter_event_group

Kan Liang · Peter Zijlstra · commit e9988ad7b174 · 2025-04-25T14:55:19.000+02:00
The PEBS counters snapshotting group also requires a group flag in the leader. The leader must be a X86 event. Fixes: e02e9b0 ("perf/x86/intel: Support PEBS counters snapshotting") Signed-off-by: Kan Liang <kan.liang@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/20250424134718.311934-3-kan.liang@linux.intel.com
diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h
@@ -124,7 +124,7 @@ static inline bool is_branch_counters_group(struct perf_event *event)
 
 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 {

Original file line number	Diff line number	Diff line change
`@@ -124,7 +124,7 @@ static inline bool is_branch_counters_group(struct perf_event *event)`
`124`	`124`
`125`	`125`	`static inline bool is_pebs_counter_event_group(struct perf_event *event)`
`126`	`126`	`{`
`127`		`- return event->group_leader->hw.flags & PERF_X86_EVENT_PEBS_CNTR;`
	`127`	`+ return check_leader_group(event->group_leader, PERF_X86_EVENT_PEBS_CNTR);`
`128`	`128`	`}`
`129`	`129`
`130`	`130`	`struct amd_nb {`