From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752330AbaIIE7V (ORCPT ); Tue, 9 Sep 2014 00:59:21 -0400 Received: from mail-we0-f178.google.com ([74.125.82.178]:40895 "EHLO mail-we0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750978AbaIIE7T (ORCPT ); Tue, 9 Sep 2014 00:59:19 -0400 Date: Tue, 9 Sep 2014 06:59:14 +0200 From: Ingo Molnar To: Arnaldo Carvalho de Melo Cc: linux-kernel@vger.kernel.org, Adrian Hunter , Alexander Shishkin , Alexander Yarygin , Anton Blanchard , Christian Borntraeger , Corey Ashford , David Ahern , Frederic Weisbecker , Jean Pihet , Jiri Olsa , Kyle McMartin , Michael Ellerman , Namhyung Kim , Paul Mackerras , Peter Zijlstra , Stephane Eranian , Sukadev Bhattiprolu , Arnaldo Carvalho de Melo Subject: Re: [GIT PULL 00/13] perf/core improvements and fixes Message-ID: <20140909045914.GA6770@gmail.com> References: <1410211089-28668-1-git-send-email-acme@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1410211089-28668-1-git-send-email-acme@kernel.org> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Arnaldo Carvalho de Melo wrote: > Hi Ingo, > > Please consider pulling, > > - Arnaldo > > The following changes since commit 39b5a56ec0be5effe9b7d0f18cb27724bf2e5d47: > > Merge branch 'rfc/perf' into perf/core, because it's ready for inclusion (2014-08-24 22:35:42 +0200) > > are available in the git repository at: > > > git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git tags/perf-core-for-mingo > > for you to fetch changes up to fa3480cb0a96c8af9ded1a8c836c91bd5704bda1: > > perf tools: Add perf_pmu__scan_file() (2014-09-08 17:16:06 -0300) > > ---------------------------------------------------------------- > perf/core improvements and fixes: > > User visible: > > o Add +field argument support for --sort option (Jiri Olsa) > > Infrastructure: > > o More intel PT prep work, from Adrian Hunter, including: > > - Let a user specify a PMU event without any config terms > - Add perf-with-kcore script > - Build programs to copy 32-bit compatibility VDSOs > - Add support for 32-bit compatibility VDSOs > - Let default config be defined for a PMU > - Add perf_pmu__scan_file() > > o Add feature checks to .gitignore (Alexander Shishkin) > > o "perf kvm stat report" improvements by Alexander Yarygin: > o Save pid string in opts.target.pid > o Enable the target.system_wide flag > o Unify the title bar output > > o Fix build issue on powerpc when DWARF support is disabled (Anton Blanchard) > > o Allow to specify lib compile variable for spec usage (Jiri Olsa) > > Signed-off-by: Arnaldo Carvalho de Melo > > ---------------------------------------------------------------- > Adrian Hunter (6): > perf tools: Let a user specify a PMU event without any config terms > perf tools: Add perf-with-kcore script > perf tools: Build programs to copy 32-bit compatibility VDSOs > perf tools: Add support for 32-bit compatibility VDSOs > perf tools: Let default config be defined for a PMU > perf tools: Add perf_pmu__scan_file() > > Alexander Shishkin (1): > perf tools: Add feature checks to .gitignore > > Alexander Yarygin (3): > perf kvm stat report: Save pid string in opts.target.pid > perf kvm stat report: Enable the target.system_wide flag > perf kvm stat report: Unify the title bar output > > Anton Blanchard (1): > perf tools powerpc: Fix build issue when DWARF support is disabled > > Jiri Olsa (2): > perf tools: Add +field argument support for --sort option > perf tools: Allow to specify lib compile variable for spec usage > > tools/perf/.gitignore | 2 + > tools/perf/Makefile.perf | 42 ++++++- > tools/perf/arch/powerpc/Makefile | 2 +- > tools/perf/builtin-kvm.c | 23 ++-- > tools/perf/config/Makefile | 33 ++++- > tools/perf/config/Makefile.arch | 8 ++ > tools/perf/perf-read-vdso.c | 59 +++++++++ > tools/perf/perf-with-kcore.sh | 259 +++++++++++++++++++++++++++++++++++++++ > tools/perf/tests/pmu.c | 2 +- > tools/perf/util/kvm-stat.h | 1 - > tools/perf/util/parse-events.c | 13 +- > tools/perf/util/parse-events.y | 10 ++ > tools/perf/util/pmu.c | 79 +++++++++--- > tools/perf/util/pmu.h | 12 +- > tools/perf/util/sort.c | 37 +++++- > tools/perf/util/vdso.c | 170 ++++++++++++++++++++++++- > tools/perf/util/vdso.h | 4 +- > 17 files changed, 712 insertions(+), 44 deletions(-) > create mode 100644 tools/perf/perf-read-vdso.c > create mode 100644 tools/perf/perf-with-kcore.sh Hm, so I'm getting this error, when trying to profile a 32-bit ELF binary on a 64-bit kernel, on a testbox: $ perf record ~/hackbench 10 Time: 0.115 [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.373 MB perf.data (~16279 samples) ] sh: perf-read-vdso32: command not found comet:~/tip> file ~/hackbench /home/mingo/hackbench: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.2.5, not stripped 64-bit executables work fine: $ perf record perf bench sched pipe # Running 'sched/pipe' benchmark: # Executed 1000000 pipe operations between two processes Total time: 13.374 [sec] 13.374352 usecs/op 74769 ops/sec [ perf record: Woken up 14 times to write data ] [ perf record: Captured and wrote 3.602 MB perf.data (~157354 samples) ] The kernel is an older one: $ uname -a Linux comet 3.14.17-100.fc19.x86_64 #1 SMP Thu Aug 14 17:17:26 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux Thanks, Ingo