perf trace: Tweak summary output
Tweak the summary output as suggested by Ingo Molnar:
[penberg@localhost ~]$ perf trace -a --duration 10000 --summary -- sleep 1
^C
Summary of events:
Xorg (817), 148 events, 0.0%, 0.000 msec
syscall calls min avg max stddev
(msec) (msec) (msec) (%)
--------------- -------- --------- --------- --------- ------
read 7 0.002 0.004 0.011 32.00%
rt_sigprocmask 40 0.001 0.001 0.002 1.31%
ioctl 6 0.002 0.003 0.005 19.45%
writev 7 0.004 0.018 0.059 43.76%
select 9 0.000 74.513 507.869 74.61%
setitimer 4 0.001 0.002 0.002 10.08%
Suggested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
Acked-by: Ingo Molnar <mingo@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Link: http://lkml.kernel.org/r/1384345308-24404-1-git-send-email-penberg@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
1 file changed