Messages in this thread | | | Date | Thu, 21 Nov 2013 08:09:01 -0500 | From | Steven Rostedt <> | Subject | Re: [PATCH 04/22] tools lib traceevent: Add jbd2 plugin |
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On Thu, 21 Nov 2013 12:01:02 +0100 Jiri Olsa <jolsa@redhat.com> wrote:
> Backporting jbd2 plugin. > > Backported from Steven Rostedt's trace-cmd repo (HEAD 0f2c2fb): > git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/trace-cmd.git > > This plugin adds field resolving functions for following > tracepoint events: > jbd2:jbd2_checkpoint_stats > jbd2:jbd2_run_stats > > The diff of 'perf script' output generated by old and new code: > (data was generated by 'perf record -e 'jbd2:jbd2_run_stats,jbd2:jbd2_checkpoint_stats' -a') > > --- script.jbd2.old > +++ script.jbd2.new > - jbd2/dm-3-8 576 [000] 2983.748423: jbd2:jbd2_checkpoint_stats: [FAILED TO PARSE] dev=265289731 tid=0x3f2bbb chp_time=0x0 forced_to_close=0 written=0 dropped=2 > + jbd2/dm-3-8 576 [000] 2983.748423: jbd2:jbd2_checkpoint_stats: dev 253,3 tid 4139963 chp_time 0 forced_to_close 0 written 0 dropped 2 > - jbd2/dm-3-8 576 [000] 2983.852789: jbd2:jbd2_run_stats: [FAILED TO PARSE] dev=265289731 tid=0x3f2bc0 wait=0x0 request_delay=0x0 running=0x138d locked=0x0 flushing=0x0 logging=0x68 handle_count=2995 blocks=17 blocks_logged=18 > + jbd2/dm-3-8 576 [000] 2983.852789: jbd2:jbd2_run_stats: dev 253,3 tid 4139968 wait 0 request_delay 0 running 5005 locked 0 flushing 0 logging 104 handle_count 2995 blocks 17 blocks_logged 18 > > This plugin also adds jbd2_dev_to_name function, which > was removed from jdb2 tracepoints recently. Keeping it > in for backward compatibility reasons. > > Signed-off-by: Jiri Olsa <jolsa@redhat.com> > Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> > Cc: Frederic Weisbecker <fweisbec@gmail.com> > Cc: Ingo Molnar <mingo@elte.hu> > Cc: Namhyung Kim <namhyung@kernel.org> > Cc: Paul Mackerras <paulus@samba.org> > Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> > Cc: Arnaldo Carvalho de Melo <acme@redhat.com> > Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
-- Steve
> Cc: David Ahern <dsahern@gmail.com> > ---
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