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

commit 6665b8e4836caa8023cbc7e53733acd234969c8c upstream.

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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index 6f852b3..824bceb 100644 (file)
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -2510,6 +2510,7 @@ 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)