linux-kernel - [PATCH RFC 09/10] perf,tools: don't validate non-sample event

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Date:	Tue, 18 Aug 2015 05:25:45 -0400
From:	kan.liang@...el.com
To:	acme@...nel.org
Cc:	a.p.zijlstra@...llo.nl, mingo@...hat.com, jolsa@...nel.org,
	namhyung@...nel.org, ak@...ux.intel.com, eranian@...gle.com,
	linux-kernel@...r.kernel.org, Kan Liang <kan.liang@...el.com>
Subject: [PATCH RFC 09/10] perf,tools: don't validate non-sample event

From: Kan Liang <kan.liang@...el.com>

Stat event (:N) doesn't do sampling. So perf tool should not validate
its sample_type, read_format and sample_id_all.

Signed-off-by: Kan Liang <kan.liang@...el.com>
---
 tools/perf/util/evlist.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index ca7bf8d..fc2da23 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -1249,6 +1249,8 @@ bool perf_evlist__valid_sample_type(struct perf_evlist *evlist)
 		return false;
 
 	evlist__for_each(evlist, pos) {
+		if (!pos->attr.sample_type)
+			continue;
 		if (pos->id_pos != evlist->id_pos ||
 		    pos->is_pos != evlist->is_pos)
 			return false;
@@ -1293,6 +1295,8 @@ bool perf_evlist__valid_read_format(struct perf_evlist *evlist)
 	u64 sample_type = first->attr.sample_type;
 
 	evlist__for_each(evlist, pos) {
+		if (!pos->attr.sample_type)
+			continue;
 		if (read_format != pos->attr.read_format)
 			return false;
 	}
@@ -1350,6 +1354,8 @@ bool perf_evlist__valid_sample_id_all(struct perf_evlist *evlist)
 	struct perf_evsel *first = perf_evlist__first(evlist), *pos = first;
 
 	evlist__for_each_continue(evlist, pos) {
+		if (!pos->attr.sample_type)
+			continue;
 		if (first->attr.sample_id_all != pos->attr.sample_id_all)
 			return false;
 	}
-- 
1.8.3.1

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