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-rw-r--r--tools/perf/util/cs-etm.c30
1 files changed, 18 insertions, 12 deletions
diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c
index 16db965ac995..09e240e4477d 100644
--- a/tools/perf/util/cs-etm.c
+++ b/tools/perf/util/cs-etm.c
@@ -2488,26 +2488,29 @@ static int cs_etm__process_auxtrace_event(struct perf_session *session,
return 0;
}
-static bool cs_etm__is_timeless_decoding(struct cs_etm_auxtrace *etm)
+static int cs_etm__setup_timeless_decoding(struct cs_etm_auxtrace *etm)
{
struct evsel *evsel;
struct evlist *evlist = etm->session->evlist;
- bool timeless_decoding = true;
/* Override timeless mode with user input from --itrace=Z */
- if (etm->synth_opts.timeless_decoding)
- return true;
+ if (etm->synth_opts.timeless_decoding) {
+ etm->timeless_decoding = true;
+ return 0;
+ }
/*
- * Circle through the list of event and complain if we find one
- * with the time bit set.
+ * Find the cs_etm evsel and look at what its timestamp setting was
*/
- evlist__for_each_entry(evlist, evsel) {
- if ((evsel->core.attr.sample_type & PERF_SAMPLE_TIME))
- timeless_decoding = false;
- }
+ evlist__for_each_entry(evlist, evsel)
+ if (cs_etm__evsel_is_auxtrace(etm->session, evsel)) {
+ etm->timeless_decoding =
+ !(evsel->core.attr.config & BIT(ETM_OPT_TS));
+ return 0;
+ }
- return timeless_decoding;
+ pr_err("CS ETM: Couldn't find ETM evsel\n");
+ return -EINVAL;
}
static const char * const cs_etm_global_header_fmts[] = {
@@ -3051,7 +3054,6 @@ int cs_etm__process_auxtrace_info(union perf_event *event,
etm->snapshot_mode = (hdr[CS_ETM_SNAPSHOT] != 0);
etm->metadata = metadata;
etm->auxtrace_type = auxtrace_info->type;
- etm->timeless_decoding = cs_etm__is_timeless_decoding(etm);
etm->auxtrace.process_event = cs_etm__process_event;
etm->auxtrace.process_auxtrace_event = cs_etm__process_auxtrace_event;
@@ -3061,6 +3063,10 @@ int cs_etm__process_auxtrace_info(union perf_event *event,
etm->auxtrace.evsel_is_auxtrace = cs_etm__evsel_is_auxtrace;
session->auxtrace = &etm->auxtrace;
+ err = cs_etm__setup_timeless_decoding(etm);
+ if (err)
+ return err;
+
etm->unknown_thread = thread__new(999999999, 999999999);
if (!etm->unknown_thread) {
err = -ENOMEM;