Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753970AbbDRPus (ORCPT ); Sat, 18 Apr 2015 11:50:48 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38406 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753923AbbDRPun (ORCPT ); Sat, 18 Apr 2015 11:50:43 -0400 From: Jiri Olsa To: Arnaldo Carvalho de Melo Cc: David Ahern , Frederic Weisbecker , He Kuang , Ingo Molnar , Jeremie Galarneau , Namhyung Kim , Paul Mackerras , Peter Zijlstra , Sebastian Andrzej Siewior , Tom Zanussi , Wang Nan , lkml Subject: [PATCHv6 0/7] perf tools: Add perf data CTF conversion Date: Sat, 18 Apr 2015 17:50:13 +0200 Message-Id: <1429372220-6406-1-git-send-email-jolsa@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 6161 Lines: 123 hi, this is follow up on original RFC patchset: http://marc.info/?t=140732735600004&r=1&w=2 Basically we are adding 'perf data convert' command to allow conversion of perf data file into CTF [1] data. v6 changes: - first bunch of patches got accepted, adding the rest plus additional fixes - rebased to latest acme's perf/core - removed acked/reviewed tags from patch 2, due to small change - changed ctf_writer__flush_streams to return error value - it all works with recent tracecompass and libbabeltrace git tree - after recent changes in build system, it needs to be compiled with: $ make LIBBABELTRACE=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/ this will change once new version libabeltrace is released and adopted by common distros v5 changes: - added struct field_format::alias instead of priv void* - rebased to latest acme's perf/core v4 changes: - sorted out babeltrace new code regressions - rebased to latest acme's perf/core - includes fixes from Wang Nan, patches 9/10/11 - patch 1/11 changelog updated with babeltrace compilation instructions [Arnaldo] v3 changes: - rebased to latest acme's perf/core v2 changes: - addressed comments from Namhyung - rebased to latest acme's perf/core Changes from RFC: - able to generate CTF data, that are possible to be displayed under tracecompas GUI [3], please check several screenshots in here [4] - storing CTF data streams per cpu - several cleanups Examples: - Catch default perf data (cycles event): $ perf record ls [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.012 MB perf.data (~546 samples) ] - To display converted CTF data run [2]: $ babeltrace ./ctf-data/ [03:19:13.962125533] (+?.?????????) cycles: { }, { ip = 0xFFFFFFFF8105443A, tid = 20714, pid = 20714, period = 1 } [03:19:13.962130001] (+0.000004468) cycles: { }, { ip = 0xFFFFFFFF8105443A, tid = 20714, pid = 20714, period = 1 } [03:19:13.962131936] (+0.000001935) cycles: { }, { ip = 0xFFFFFFFF8105443A, tid = 20714, pid = 20714, period = 8 } [03:19:13.962133732] (+0.000001796) cycles: { }, { ip = 0xFFFFFFFF8105443A, tid = 20714, pid = 20714, period = 114 } [03:19:13.962135557] (+0.000001825) cycles: { }, { ip = 0xFFFFFFFF8105443A, tid = 20714, pid = 20714, period = 2087 } [03:19:13.962137627] (+0.000002070) cycles: { }, { ip = 0xFFFFFFFF81361938, tid = 20714, pid = 20714, period = 37582 } [03:19:13.962161091] (+0.000023464) cycles: { }, { ip = 0xFFFFFFFF8124218F, tid = 20714, pid = 20714, period = 600246 } [03:19:13.962517569] (+0.000356478) cycles: { }, { ip = 0xFFFFFFFF811A75DB, tid = 20714, pid = 20714, period = 1325731 } [03:19:13.969518008] (+0.007000439) cycles: { }, { ip = 0x34080917B2, tid = 20714, pid = 20714, period = 1144298 } - To get some nice output in tracecompas GUI [3], please capture sched:* and syscall tracepoints like: # perf record -e 'sched:*,raw_syscalls:*' -a ^C[ perf record: Woken up 0 times to write data ] [ perf record: Captured and wrote 412.347 MB perf.data (~18015721 samples) ] - To convert perf data file run: # perf data convert --to-ctf=./ctf [ perf data convert: Converted 'perf.data' into CTF data './ctf' ] [ perf data convert: Converted and wrote 408.421 MB (3964792 samples) ] - To display converted CTF data run [2]: # babeltrace ./ctf-data/ [23:32:20.165354855] (+0.000000507) sched:sched_wakeup: { cpu_id = 0 }, { perf_ip = 0xFFFFFFFF810BCA72, perf_tid = 0, perf_pid = 0, perf_id = 462554, perf_period = 1, common_type = 265, ... [23:32:20.165359078] (+0.000001181) sched:sched_switch: { cpu_id = 0 }, { perf_ip = 0xFFFFFFFF8172A110, perf_tid = 0, perf_pid = 0, perf_id = 462562, perf_period = 1, common_type = 263, ... [23:32:20.165364686] (+0.000000328) sched:sched_stat_runtime: { cpu_id = 0 }, { perf_ip = 0xFFFFFFFF810C8AE5, perf_tid = 5326, perf_pid = 5326, perf_id = 462610, perf_period = 11380, ... [23:32:20.165366067] (+0.000001205) sched:sched_switch: { cpu_id = 0 }, { perf_ip = 0xFFFFFFFF8172A110, perf_tid = 5326, perf_pid = 5326, perf_id = 462562, perf_period = 1, common_type ... [23:32:20.165723312] (+0.000001479) sched:sched_stat_runtime: { cpu_id = 2 }, { perf_ip = 0xFFFFFFFF810C8AE5, perf_tid = 11821, perf_pid = 11821, perf_id = 462612, perf_period = 1000265, ... [23:32:20.065282391] (+?.?????????) raw_syscalls:sys_enter: { cpu_id = 1 }, { perf_ip = 0xFFFFFFFF810230AF, perf_tid = 26155, perf_pid = 26155, perf_id = 462635, perf_period = 1, ... [23:32:20.065286422] (+0.000004031) raw_syscalls:sys_exit: { cpu_id = 1 }, { perf_ip = 0xFFFFFFFF810231D8, perf_tid = 26155, perf_pid = 26155, perf_id = 462639, perf_period = 1, ... - Or run tracecompass and open the CTF data ;-) Changes are also reachable in here: git://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git perf/ctf thanks, jirka [1] Common Trace Format - http://www.efficios.com/ctf [2] babeltrace - http://www.efficios.com/babeltrace [3] Trace compass - http://projects.eclipse.org/projects/tools.tracecompass [4] screenshots - http://people.redhat.com/~jolsa/tracecompass-perf/ --- He Kuang (1): perf data: Show error message when conversion failed Jiri Olsa (3): perf data: Enable stream flush within processing perf data: Add support for setting ordered_events queue size tools lib traceevent: Add alias field to struct format_field Sebastian Andrzej Siewior (1): perf data: Switch to multiple cpu stream files Wang Nan (2): perf data: Fix duplicate field names and avoid reserved keywords perf data: Fix signess of value tools/lib/traceevent/event-parse.c | 6 +- tools/lib/traceevent/event-parse.h | 1 + tools/perf/util/data-convert-bt.c | 410 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---------- 3 files changed, 373 insertions(+), 44 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/