diff mbox series

[30/30] tracing/rseq: Add mm_numa_cid field to rseq_update

Message ID 20221122203932.231377-31-mathieu.desnoyers@efficios.com
State New
Headers
Series RSEQ node id and mm concurrency id extensions |

Commit Message

Mathieu Desnoyers Nov. 22, 2022, 8:39 p.m. UTC 
  Add the mm_numa_cid field to the rseq_update event, allowing tracers to
follow which mm_numa_cid is observed by user-space, and whether negative
mm_numa_cid values are visible in case of internal scheduler
implementation issues.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---
 include/trace/events/rseq.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/include/trace/events/rseq.h b/include/trace/events/rseq.h
index 823b47d1ba1e..95f33d2c0714 100644
--- a/include/trace/events/rseq.h
+++ b/include/trace/events/rseq.h
@@ -18,16 +18,18 @@  TRACE_EVENT(rseq_update,
 		__field(s32, cpu_id)
 		__field(s32, node_id)
 		__field(s32, mm_cid)
+		__field(s32, mm_numa_cid)
 	),
 
 	TP_fast_assign(
 		__entry->cpu_id = raw_smp_processor_id();
 		__entry->node_id = cpu_to_node(__entry->cpu_id);
 		__entry->mm_cid = task_mm_cid(t);
+		__entry->mm_numa_cid = task_mm_numa_cid(t);
 	),
 
-	TP_printk("cpu_id=%d node_id=%d mm_cid=%d", __entry->cpu_id,
-		  __entry->node_id, __entry->mm_cid)
+	TP_printk("cpu_id=%d node_id=%d mm_cid=%d mm_numa_cid=%d", __entry->cpu_id,
+		  __entry->node_id, __entry->mm_cid,  __entry->mm_numa_cid)
 );
 
 TRACE_EVENT(rseq_ip_fixup,