original_kernel/tools/perf/Documentation
Namhyung Kim 01d14f1615 perf report: Add --group option
Add --group option to enable event grouping.  When enabled, all the
group members information will be shown together with the leader.

  $ perf report --group
  ...
  # group: {ref-cycles,cycles}
  # ========
  #
  # Samples: 7K of event 'anon group { ref-cycles, cycles }'
  # Event count (approx.): 6876107743
  #
  #         Overhead  Command      Shared Object                      Symbol
  # ................  .......  .................  ..........................
  #
      99.84%  99.76%  noploop  noploop            [.] main
       0.07%   0.00%  noploop  ld-2.15.so         [.] strcmp
       0.03%   0.00%  noploop  [kernel.kallsyms]  [k] timerqueue_del
       0.03%   0.03%  noploop  [kernel.kallsyms]  [k] sched_clock_cpu
       0.02%   0.00%  noploop  [kernel.kallsyms]  [k] account_user_time
       0.01%   0.00%  noploop  [kernel.kallsyms]  [k] __alloc_pages_nodemask
       0.00%   0.00%  noploop  [kernel.kallsyms]  [k] native_write_msr_safe
       0.00%   0.11%  noploop  [kernel.kallsyms]  [k] _raw_spin_lock
       0.00%   0.06%  noploop  [kernel.kallsyms]  [k] find_get_page
       0.00%   0.02%  noploop  [kernel.kallsyms]  [k] rcu_check_callbacks
       0.00%   0.02%  noploop  [kernel.kallsyms]  [k] __current_kernel_time

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1358845787-1350-18-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-01-31 13:07:49 -03:00
..
Makefile
android.txt
asciidoc.conf
examples.txt
jit-interface.txt
manpage-1.72.xsl
manpage-base.xsl
manpage-bold-literal.xsl
manpage-normal.xsl
manpage-suppress-sp.xsl
perf-annotate.txt
perf-archive.txt
perf-bench.txt
perf-buildid-cache.txt
perf-buildid-list.txt
perf-diff.txt
perf-evlist.txt perf evlist: Show event attribute details 2012-05-22 14:30:11 -03:00
perf-help.txt
perf-inject.txt
perf-kmem.txt
perf-kvm.txt
perf-list.txt
perf-lock.txt
perf-probe.txt
perf-record.txt
perf-report.txt perf report: Add --group option 2013-01-31 13:07:49 -03:00
perf-sched.txt
perf-script-perl.txt
perf-script-python.txt perf script: Remove workqueue-stats script 2013-01-24 16:40:53 -03:00
perf-script.txt
perf-stat.txt perf stat: Add interval printing 2013-01-30 10:36:53 -03:00
perf-test.txt perf test: Allow skipping tests 2013-01-24 16:40:53 -03:00
perf-timechart.txt
perf-top.txt
perf-trace.txt
perf.txt
perfconfig.example