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-rw-r--r--tools/perf/util/cs-etm.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c
index de488b43f440..0742c50fce46 100644
--- a/tools/perf/util/cs-etm.c
+++ b/tools/perf/util/cs-etm.c
@@ -1657,6 +1657,29 @@ static int cs_etm__process_timeless_queues(struct cs_etm_auxtrace *etm,
return 0;
}
+static int cs_etm__process_itrace_start(struct cs_etm_auxtrace *etm,
+ union perf_event *event)
+{
+ struct thread *th;
+
+ if (etm->timeless_decoding)
+ return 0;
+
+ /*
+ * Add the tid/pid to the log so that we can get a match when
+ * we get a contextID from the decoder.
+ */
+ th = machine__findnew_thread(etm->machine,
+ event->itrace_start.pid,
+ event->itrace_start.tid);
+ if (!th)
+ return -ENOMEM;
+
+ thread__put(th);
+
+ return 0;
+}
+
static int cs_etm__process_event(struct perf_session *session,
union perf_event *event,
struct perf_sample *sample,
@@ -1694,6 +1717,9 @@ static int cs_etm__process_event(struct perf_session *session,
return cs_etm__process_timeless_queues(etm,
event->fork.tid);
+ if (event->header.type == PERF_RECORD_ITRACE_START)
+ return cs_etm__process_itrace_start(etm, event);
+
return 0;
}