linux-kernel - [PATCH v2 1/5] perf diff: don't compute Delta if he->dummy

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Message-Id: <1385274025-30282-2-git-send-email-artagnon@gmail.com>
Date:	Sun, 24 Nov 2013 11:50:21 +0530
From:	Ramkumar Ramachandra <artagnon@...il.com>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Jiri Olsa <jolsa@...hat.com>
Subject: [PATCH v2 1/5] perf diff: don't compute Delta if he->dummy

Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Signed-off-by: Ramkumar Ramachandra <artagnon@...il.com>
---
 tools/perf/builtin-diff.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 3b67ea2..79e0448 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -792,6 +792,9 @@ hpp__entry_pair(struct hist_entry *he, struct hist_entry *pair,
 
 	switch (idx) {
 	case PERF_HPP_DIFF__DELTA:
+		if (he->dummy)
+			break;
+
 		if (pair->diff.computed)
 			diff = pair->diff.period_ratio_delta;
 		else
-- 
1.8.5.rc0.5.g70ebc73.dirty

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