Commit 761844b9 authored May 28, 2010 by Stephane Eranian Committed by Arnaldo Carvalho de Melo Jun 05, 2010

perf report: Make -D print sampled CPU



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).

Cc: David S. Miller <davem@davemloft.net>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <4bff964c.e88cd80a.3106.7d31@mx.google.com>
Signed-off-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

parent 58cc1a9e

tools/perf/builtin-report.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -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;

tools/perf/util/event.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -765,7 +765,8 @@ 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;