linux-kernel - [PATCH v4 1/5] perf tools: Fix sorting of dynamic sort keys

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Message-Id: <1452125549-1511-1-git-send-email-namhyung@kernel.org>
Date:	Thu,  7 Jan 2016 09:12:25 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Jiri Olsa <jolsa@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Andi Kleen <andi@...stfloor.org>,
	Wang Nan <wangnan0@...wei.com>
Subject: [PATCH v4 1/5] perf tools: Fix sorting of dynamic sort keys

Currently it sorts entries in reverse (alphabetic) order, fix it.

Signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
This patch can be folded into the original patch c7c2a5e40f17
("perf tools: Add dynamic sort key for tracepoint events")

 tools/perf/util/sort.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index 04e2a5cb19e3..425097d2a1cd 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -1795,7 +1795,7 @@ static int64_t __sort__hde_cmp(struct perf_hpp_fmt *fmt,
 		update_dynamic_len(hde, b);
 	}
 
-	return memcmp(a->raw_data + offset, b->raw_data + offset, size);
+	return memcmp(b->raw_data + offset, a->raw_data + offset, size);
 }
 
 bool perf_hpp__is_dynamic_entry(struct perf_hpp_fmt *fmt)
-- 
2.6.4

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