From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1753573AbcAFLTq (ORCPT <rfc822;w@1wt.eu>);
	Wed, 6 Jan 2016 06:19:46 -0500
Received: from mx1.redhat.com ([209.132.183.28]:57273 "EHLO mx1.redhat.com"
	rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
	id S1752795AbcAFLTn (ORCPT <rfc822;linux-kernel@vger.kernel.org>);
	Wed, 6 Jan 2016 06:19:43 -0500
Date: Wed, 6 Jan 2016 12:19:39 +0100
From: Jiri Olsa <jolsa@redhat.com>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>, Ingo Molnar <mingo@kernel.org>,
        Peter Zijlstra <a.p.zijlstra@chello.nl>, Jiri Olsa <jolsa@kernel.org>,
        LKML <linux-kernel@vger.kernel.org>, David Ahern <dsahern@gmail.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        Frederic Weisbecker <fweisbec@gmail.com>,
        Andi Kleen <andi@firstfloor.org>, Wang Nan <wangnan0@huawei.com>
Subject: Re: [PATCH v3 1/5] perf tools: Add all matching dynamic sort keys
 for field name
Message-ID: <20160106111939.GA8226@krava.brq.redhat.com>
References: <1452041701-27689-1-git-send-email-namhyung@kernel.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <1452041701-27689-1-git-send-email-namhyung@kernel.org>
User-Agent: Mutt/1.5.24 (2015-08-30)
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Wed, Jan 06, 2016 at 09:54:57AM +0900, Namhyung Kim wrote:
> When a perf.data file has multiple events, it's likely to be similar
> (tracepoint) events.  In that case, they might have same field name so
> add all of them to sort keys instead of bailing out.
> 
> In addition, it contains a trivial whitespace fix at callsite of
> add_all_dynamic_fields().
> 
> Acked-by: Jiri Olsa <jolsa@kernel.org>
> Signed-off-by: Namhyung Kim <namhyung@kernel.org>

hum, I haven't tried with this last version but I get all
hist tests failing on acme's perf/core and it seems to be
related to sorting changes:

[jolsa@krava perf]$ ./perf test hist 
15: Test matching and linking multiple hists                 : FAILED!
25: Test filtering hist entries                              : FAILED!
28: Test output sorting of hist entries                      : FAILED!
29: Test cumulation of child hist entries                    : FAILED!


[jolsa@krava perf]$ ./perf test 15 -v
15: Test matching and linking multiple hists                 :
--- start ---
test child forked, pid 10676
perf: Segmentation fault
Obtained 16 stack frames.
./perf(dump_stack+0x2d) [0x50f1d7]
./perf(sighandler_dump_stack+0x2d) [0x50f2b7]
/lib64/libc.so.6(+0x34a4f) [0x7fb0b1178a4f]
./perf() [0x508c40]
./perf() [0x508e23]
./perf(setup_sorting+0x26) [0x5097b0]
./perf(test__hists_link+0xb6) [0x487f43]
./perf() [0x4725c0]
./perf() [0x4726ff]
./perf() [0x472986]
./perf(cmd_test+0x1fe) [0x472ddc]
./perf() [0x49b2ab]
./perf() [0x49b513]
./perf() [0x49b661]
./perf(main+0x258) [0x49b9e2]
/lib64/libc.so.6(__libc_start_main+0xef) [0x7fb0b11646ff]
test child interrupted
---- end ----
Test matching and linking multiple hists: FAILED!


thanks,
jirka