Commits
Pekka Enberg committed 99ff7150547
perf trace: Simplify '--summary' output
The output of 'perf trace --summary' tries to be too cute with
formatting and makes it very hard to read. Simplify it in the spirit of
"strace -c":
[penberg@localhost libtrading]$ perf trace -a --duration 10000 --summary -- sleep 1
^C
Summary of events:
dbus-daemon (555), 10 events, 0.0%, 0.000 msec
msec/call
syscall calls min avg max stddev
--------------- -------- -------- -------- -------- ------
sendmsg 2 0.002 0.005 0.008 55.00
recvmsg 2 0.002 0.003 0.005 44.00
epoll_wait 1 0.000 0.000 0.000 0.00
NetworkManager (667), 56 events, 0.0%, 0.000 msec
msec/call
syscall calls min avg max stddev
--------------- -------- -------- -------- -------- ------
poll 2 0.000 0.002 0.003 100.00
sendmsg 10 0.004 0.007 0.016 15.41
recvmsg 16 0.002 0.003 0.005 8.24
zfs-fuse (669), 4 events, 0.0%, 0.000 msec
msec/call
syscall calls min avg max stddev
--------------- -------- -------- -------- -------- ------
futex 2 0.000 0.001 0.002 100.00
Signed-off-by: Pekka Enberg <penberg@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Link: http://lkml.kernel.org/r/1384267334-18953-1-git-send-email-penberg@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>