The following commit has been merged into the perf/core branch of tip:

Commit-ID:     e9988ad7b1744991118ac348a804f9395368a284
Gitweb:        https://git.kernel.org/tip/e9988ad7b1744991118ac348a804f9395368a284
Author:        Kan Liang <kan.liang@linux.intel.com>
AuthorDate:    Thu, 24 Apr 2025 06:47:15 -07:00
Committer:     Peter Zijlstra <peterz@infradead.org>
CommitterDate: Fri, 25 Apr 2025 14:55:19 +02:00

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

The PEBS counters snapshotting group also requires a group flag in the
leader. The leader must be a X86 event.

Fixes: e02e9b0374c3 ("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
---
 arch/x86/events/perf_event.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h
index 4237c37..46d1205 100644
--- 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 {