From: Adrian Hunter <adrian.hunter@intel.com>

Date: Fri, 10 Dec 2021 18:23:03 +0200

Subject: perf intel-pt: Fix error timestamp setting on the decoder error path

Git-commit: 6665b8e4836caa8023cbc7e53733acd234969c8c

Patch-mainline: v5.16-rc5

References: git-fixes

​

An error timestamp shows the last known timestamp for the queue, but this

is not updated on the error path. Fix by setting it.

​

Fixes: f4aa081949e7b6 ("perf tools: Add Intel PT decoder")

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>

Cc: Jiri Olsa <jolsa@redhat.com>

Cc: stable@vger.kernel.org # v5.15+

Link: https://lore.kernel.org/r/20211210162303.2288710-8-adrian.hunter@intel.com

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

Signed-off-by: Tony Jones <tonyj@suse.de>

---

 tools/perf/util/intel-pt.c | 1 +

 1 file changed, 1 insertion(+)

​

diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c

index 556a893508da..10c3187e4c5a 100644

--- a/tools/perf/util/intel-pt.c

+++ b/tools/perf/util/intel-pt.c

@@ -2565,6 +2565,7 @@ static int intel_pt_run_decoder(struct intel_pt_queue *ptq, u64 *timestamp)

                ptq->sync_switch = false;

                intel_pt_next_tid(pt, ptq);

            }

+           ptq->timestamp = state->est_timestamp;

            if (pt->synth_opts.errors) {

                err = intel_ptq_synth_error(ptq, state);

                if (err)

​

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