As a Trace Compass developper, this opens a lot of possibilities for us, like correlating PCAP, Perf and LTTng traces...
I hope it gets in soon as we already support it. :) On 15-01-15 11:15 AM, Jiri Olsa wrote: > 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. > > 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/core_ctf_convert > > 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/ > > > Cc: Arnaldo Carvalho de Melo <a...@redhat.com> > Cc: David Ahern <dsah...@gmail.com> > Cc: Dominique Toupin <dominique.tou...@ericsson.com> > Cc: Frederic Weisbecker <fweis...@gmail.com> > Cc: Jeremie Galarneau <jga...@efficios.com> > Cc: Jiri Olsa <jo...@kernel.org> > Cc: Mathieu Desnoyers <mathieu.desnoy...@efficios.com> > Cc: Namhyung Kim <namhy...@gmail.com> > Cc: Paul Mackerras <pau...@samba.org> > Cc: Peter Zijlstra <pet...@infradead.org> > Cc: Sebastian Andrzej Siewior <bige...@linutronix.de> > Cc: Tom Zanussi <tzanu...@gmail.com> > --- > Jiri Olsa (5): > perf tools: Add feature check for libbabeltrace > perf tools: Add new perf data command > perf data: Add perf data to CTF conversion support > perf data: Enable stream flush within processing > perf data: Add support for setting ordered_events queue size > > Sebastian Andrzej Siewior (3): > perf data: Add a 'perf' prefix to the generic fields > perf data: Add tracepoint events fields CTF conversion support > perf data: Switch to multiple cpu stream files > > tools/perf/Documentation/perf-data.txt | 40 ++ > tools/perf/Documentation/perf.txt | 7 +- > tools/perf/Makefile.perf | 9 +- > tools/perf/builtin-data.c | 119 ++++++ > tools/perf/builtin.h | 1 + > tools/perf/command-list.txt | 1 + > tools/perf/config/Makefile | 24 ++ > tools/perf/config/feature-checks/Makefile | 8 +- > tools/perf/config/feature-checks/test-all.c | 5 + > tools/perf/config/feature-checks/test-libbabeltrace.c | 8 + > tools/perf/perf.c | 1 + > tools/perf/util/data-convert-bt.c | 1057 > +++++++++++++++++++++++++++++++++++++++++++++++++ > tools/perf/util/data-convert-bt.h | 8 + > tools/perf/util/debug.c | 2 + > tools/perf/util/debug.h | 1 + > 15 files changed, 1287 insertions(+), 4 deletions(-) > create mode 100644 tools/perf/Documentation/perf-data.txt > create mode 100644 tools/perf/builtin-data.c > create mode 100644 tools/perf/config/feature-checks/test-libbabeltrace.c > create mode 100644 tools/perf/util/data-convert-bt.c > create mode 100644 tools/perf/util/data-convert-bt.h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/