This is a note to let you know that I've just added the patch titled
perf intel-pt: Fix async branch flags
to the 4.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
perf-intel-pt-fix-async-branch-flags.patch
and it can be found in the queue-4.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit b379d6abd4b2d4c2bafd5bad39fcc6bc4580500f
Author: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Date: Thu Sep 28 10:29:53 2023 +0300
perf intel-pt: Fix async branch flags
[ Upstream commit f2d87895cbc4af80649850dcf5da36de6b2ed3dd ]
Ensure PERF_IP_FLAG_ASYNC is set always for asynchronous branches (i.e.
interrupts etc).
Fixes: 90e457f7be08 ("perf tools: Add Intel PT support")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Acked-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20230928072953.19369-1-adrian.hunter@xxxxxxxxx
Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index e073c7108c6c9..92b9921568f5d 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -901,9 +901,11 @@ static void intel_pt_sample_flags(struct intel_pt_queue *ptq)
} else if (ptq->state->flags & INTEL_PT_ASYNC) {
if (!ptq->state->to_ip)
ptq->flags = PERF_IP_FLAG_BRANCH |
+ PERF_IP_FLAG_ASYNC |
PERF_IP_FLAG_TRACE_END;
else if (ptq->state->from_nr && !ptq->state->to_nr)
ptq->flags = PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL |
+ PERF_IP_FLAG_ASYNC |
PERF_IP_FLAG_VMEXIT;
else
ptq->flags = PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL |
