From: Adrian Hunter <adrian.hunter@intel.com>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>,
Ian Rogers <irogers@google.com>,
linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org
Subject: [PATCH] perf intel-pt: Fix async branch flags
Date: Thu, 28 Sep 2023 10:29:53 +0300 [thread overview]
Message-ID: <20230928072953.19369-1-adrian.hunter@intel.com> (raw)
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@vger.kernel.org
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
---
tools/perf/util/intel-pt.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index dbf0bc71a63b..f38893e0b036 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -1512,9 +1512,11 @@ 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 |
--
2.34.1
next reply other threads:[~2023-09-28 7:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-28 7:29 Adrian Hunter [this message]
2023-09-30 6:40 ` [PATCH] perf intel-pt: Fix async branch flags Namhyung Kim
2023-10-03 4:11 ` Namhyung Kim
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