From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Wed, 26 Sep 2012 15:28:26 +0000 (-0300)
Subject: perf evsel: Improve tracepoint constructor setup
X-Git-Tag: v3.12-rc1~1727^2~42^2~15
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0b80f8b32f31f80e001fb6355fd86769555c4a3c;p=kernel%2Fkernel-generic.git

perf evsel: Improve tracepoint constructor setup

It needs to properly set the sample_type, sample_period and the KVM
related perf_event_attr fields.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-v9x3q9rv4caxtox7wtjpchq5@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 00936ad..2467eaf 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -117,14 +117,18 @@ struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name, int idx)
 
 	if (evsel != NULL) {
 		struct perf_event_attr attr = {
-			.type = PERF_TYPE_TRACEPOINT,
+			.type	       = PERF_TYPE_TRACEPOINT,
+			.sample_type   = (PERF_SAMPLE_RAW | PERF_SAMPLE_TIME |
+					  PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD),
 		};
 
 		evsel->tp_format = event_format__new(sys, name);
 		if (evsel->tp_format == NULL)
 			goto out_free;
 
+		event_attr_init(&attr);
 		attr.config = evsel->tp_format->id;
+		attr.sample_period = 1;
 		perf_evsel__init(evsel, &attr, idx);
 		evsel->name = evsel->tp_format->name;
 	}