summaryrefslogtreecommitdiff
path: root/tools/perf/util/jitdump.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/util/jitdump.c')
-rw-r--r--tools/perf/util/jitdump.c30
1 files changed, 20 insertions, 10 deletions
diff --git a/tools/perf/util/jitdump.c b/tools/perf/util/jitdump.c
index 9760d8e7b386..917a9c707371 100644
--- a/tools/perf/util/jitdump.c
+++ b/tools/perf/util/jitdump.c
@@ -396,21 +396,31 @@ static pid_t jr_entry_tid(struct jit_buf_desc *jd, union jr_entry *jr)
static uint64_t convert_timestamp(struct jit_buf_desc *jd, uint64_t timestamp)
{
- struct perf_tsc_conversion tc;
+ struct perf_tsc_conversion tc = { .time_shift = 0, };
+ struct perf_record_time_conv *time_conv = &jd->session->time_conv;
if (!jd->use_arch_timestamp)
return timestamp;
- tc.time_shift = jd->session->time_conv.time_shift;
- tc.time_mult = jd->session->time_conv.time_mult;
- tc.time_zero = jd->session->time_conv.time_zero;
- tc.time_cycles = jd->session->time_conv.time_cycles;
- tc.time_mask = jd->session->time_conv.time_mask;
- tc.cap_user_time_zero = jd->session->time_conv.cap_user_time_zero;
- tc.cap_user_time_short = jd->session->time_conv.cap_user_time_short;
+ tc.time_shift = time_conv->time_shift;
+ tc.time_mult = time_conv->time_mult;
+ tc.time_zero = time_conv->time_zero;
- if (!tc.cap_user_time_zero)
- return 0;
+ /*
+ * The event TIME_CONV was extended for the fields from "time_cycles"
+ * when supported cap_user_time_short, for backward compatibility,
+ * checks the event size and assigns these extended fields if these
+ * fields are contained in the event.
+ */
+ if (event_contains(*time_conv, time_cycles)) {
+ tc.time_cycles = time_conv->time_cycles;
+ tc.time_mask = time_conv->time_mask;
+ tc.cap_user_time_zero = time_conv->cap_user_time_zero;
+ tc.cap_user_time_short = time_conv->cap_user_time_short;
+
+ if (!tc.cap_user_time_zero)
+ return 0;
+ }
return tsc_to_perf_time(timestamp, &tc);
}