It is useful to know on which CPU a sample was captured on.
The information is captured with perf record -R but it was
not printed out by perf report -D. This patch adds this.
When -R is not used, cpu is set to -1to indicate that
the CPU is unknown (it is not captured).
Signed-off-by: Stephane Eranian <eran...@google.com>
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 3592057..207da18 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -157,8 +157,9 @@ static int process_sample_event(event_t *event, struct
perf_session *session)
event__parse_sample(event, session->sample_type, &data);
- dump_printf("(IP, %d): %d/%d: %#Lx period: %Ld\n", event->header.misc,
- data.pid, data.tid, data.ip, data.period);
+ dump_printf("(IP, %d): %d/%d: %#Lx period: %Ld cpu:%d\n",
+ event->header.misc, data.pid, data.tid, data.ip,
+ data.period, data.cpu);
if (session->sample_type & PERF_SAMPLE_CALLCHAIN) {
unsigned int i;
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 50771b5..58cb96b 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -770,7 +770,8 @@ int event__parse_sample(event_t *event, u64 type, struct
sample_data *data)
u32 *p = (u32 *)array;
data->cpu = *p;
array++;
- }
+ } else
+ data->cpu = -1;
if (type & PERF_SAMPLE_PERIOD) {
data->period = *array;
------------------------------------------------------------------------------
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