From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751471AbdBFK0V (ORCPT ); Mon, 6 Feb 2017 05:26:21 -0500 Received: from mx1.redhat.com ([209.132.183.28]:51376 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750937AbdBFK0U (ORCPT ); Mon, 6 Feb 2017 05:26:20 -0500 Date: Mon, 6 Feb 2017 11:26:17 +0100 From: Jiri Olsa To: Namhyung Kim Cc: Arnaldo Carvalho de Melo , Ingo Molnar , Peter Zijlstra , Jiri Olsa , LKML , Minchan Kim , Taeung Song Subject: Re: [PATCHSET 0/3] perf diff: Introduce delta-abs compute method Message-ID: <20170206102617.GB1660@krava> References: <20170206072037.8189-1-namhyung@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170206072037.8189-1-namhyung@kernel.org> User-Agent: Mutt/1.7.1 (2016-10-04) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Mon, 06 Feb 2017 10:26:21 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 06, 2017 at 04:20:34PM +0900, Namhyung Kim wrote: SNIP > > git://git.kernel.org/pub/scm/linux/kernel/git/namhyung/linux-perf.git > > Thanks, > Namhyung > > > Namhyung Kim (3): > perf diff: Add 'delta-abs' compute method > perf diff: Add diff.order config option > perf diff: Add diff.compute config option > hum, do I miss some -o fix? [jolsa@krava perf]$ ./perf diff -o 1 -c delta-abs Segmentation fault (core dumped) it's not delta-abs specific, I'm getting the crash for others thanks, jirka (gdb) r diff -o 1 -c delta-abs Starting program: /home/jolsa/kernel/linux-perf/tools/perf/perf diff -o 1 -c delta-abs Missing separate debuginfos, use: dnf debuginfo-install glibc-2.23.1-11.fc24.x86_64 [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". Detaching after fork from child process 12611. Program received signal SIGSEGV, Segmentation fault. 0x0000000000000000 in ?? () Missing separate debuginfos, use: dnf debuginfo-install audit-libs-2.7.1-1.fc24.x86_64 bzip2-libs-1.0.6-21.fc24.x86_64 elfutils-libelf-0.168-1.fc24.x86_64 elfutils-libs-0.168-1.fc24.x86_64 libcap-ng-0.7.8-1.fc24.x86_64 libunwind-1.1-11.fc24.x86_64 nss-softokn-freebl-3.28.1-1.0.fc24.x86_64 numactl-libs-2.0.11-2.fc24.x86_64 openssl-libs-1.0.2j-3.fc24.x86_64 perl-libs-5.22.3-368.fc24.x86_64 python-libs-2.7.13-1.fc24.x86_64 slang-2.3.0-5.fc24.x86_64 xz-libs-5.2.2-2.fc24.x86_64 zlib-1.2.8-10.fc24.x86_64 (gdb) bt #0 0x0000000000000000 in ?? () #1 0x000000000059c3c2 in fprintf_line (hists=0x2159980, hpp=0x7fffffffda60, line=0, fp=0x7ffff55c3600 <_IO_2_1_stdout_>) at ui/stdio/hist.c:677 #2 0x000000000059c4af in hists__fprintf_standard_headers (hists=0x2159980, hpp=0x7fffffffda60, fp=0x7ffff55c3600 <_IO_2_1_stdout_>) at ui/stdio/hist.c:700 #3 0x000000000059c707 in hists__fprintf_headers (hists=0x2159980, fp=0x7ffff55c3600 <_IO_2_1_stdout_>) at ui/stdio/hist.c:745 #4 0x000000000059c7b9 in hists__fprintf (hists=0x2159980, show_header=true, max_rows=0, max_cols=0, min_pcnt=0, fp=0x7ffff55c3600 <_IO_2_1_stdout_>, use_callchain=false) at ui/stdio/hist.c:769 #5 0x000000000042b6aa in hists__process (hists=0x2159980) at builtin-diff.c:694 #6 0x000000000042b944 in data_process () at builtin-diff.c:753 #7 0x000000000042bb2b in __cmd_diff () at builtin-diff.c:790 #8 0x000000000042d0ed in cmd_diff (argc=0, argv=0x7fffffffe3d0, prefix=0x0) at builtin-diff.c:1349 #9 0x00000000004b817e in run_builtin (p=0xa10be0 , argc=5, argv=0x7fffffffe3d0) at perf.c:359 #10 0x00000000004b83eb in handle_internal_command (argc=5, argv=0x7fffffffe3d0) at perf.c:421 #11 0x00000000004b8530 in run_argv (argcp=0x7fffffffe21c, argv=0x7fffffffe210) at perf.c:467 #12 0x00000000004b8933 in main (argc=5, argv=0x7fffffffe3d0) at perf.c:614