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| /linux/tools/perf/Documentation/ |
| H A D | perf-trace.txt | diff 1302d88e66f12a7b46a5598e641d93f0713007e0 Wed Oct 17 22:13:12 CEST 2012 Arnaldo Carvalho de Melo <acme@redhat.com> perf trace: Use sched:sched_stat_runtime to provide a thread summary
[root@sandy ~]# perf trace --sched --duration 0.100 --pid `pidof firefox`
<SNIP>
17079.847 ( 0.009 ms): 17643 poll(ufds: 140037623086496, nfds: 11, timeout_msecs: 0) = 0 Timeout
17079.892 ( 0.010 ms): 17643 read(fd: 4, buf: 140038178943092, count: 4096 ) = -1 EAGAIN Resource temporarily unavailable
17079.921 ( 0.013 ms): 17643 poll(ufds: 140037623086496, nfds: 11, timeout_msecs: 0) = 0 Timeout
17079.949 ( 0.009 ms): 17643 read(fd: 4, buf: 140038178943092, count: 4096 ) = -1 EAGAIN Resource temporarily unavailable
^C
_____________________________________________________________________
__) Summary of events (__
[ task - pid ] [ events ] [ ratio ] [ runtime ]
_____________________________________________________________________
firefox - 17643 : 18013 [ 72.2% ] 359.110 ms
firefox - 17663 : 41 [ 0.2% ] 21.439 ms
firefox - 17664 : 6840 [ 27.4% ] 133.642 ms
firefox - 17667 : 46 [ 0.2% ] 0.682 ms
[root@sandy ~]#
This is equivalent to the 'perf trace summary' subcomand in the tmp.perf/trace2
branch.
Another example, setting a huge duration filter to get just a system
wide summary:
[root@sandy ~]# perf trace --duration 10000.0 --sched
^C
_____________________________________________________________________
__) Summary of events (__
[ task - pid ] [ events ] [ ratio ] [ runtime ]
_____________________________________________________________________
scsi_eh_1 - 258 : 15 [ 0.0% ] 0.133 ms
kworker/0:1H - 322 : 13 [ 0.0% ] 0.032 ms
jbd2/dm-0-8 - 384 : 4 [ 0.0% ] 0.115 ms
flush-253:0 - 470 : 1 [ 0.0% ] 0.027 ms
firefox - 950 : 4783 [ 0.1% ] 24.863 ms
firefox - 992 : 1883 [ 0.1% ] 6.808 ms
firefox - 995 : 35 [ 0.0% ] 0.111 ms
ksoftirqd/6 - 4362 : 2 [ 0.0% ] 0.005 ms
ksoftirqd/7 - 4365 : 1 [ 0.0% ] 0.007 ms
Xorg - 4671 : 148 [ 0.0% ] 0.912 ms
gnome-settings- - 4846 : 14 [ 0.0% ] 0.086 ms
seahorse-daemon - 4847 : 14 [ 0.0% ] 0.092 ms
gnome-panel - 4875 : 46 [ 0.0% ] 0.159 ms
gnome-power-man - 4918 : 16 [ 0.0% ] 0.065 ms
gvfs-afc-volume - 4992 : 77 [ 0.0% ] 0.136 ms
gnome-screensav - 5114 : 24 [ 0.0% ] 0.128 ms
xchat - 8082 : 466 [ 0.0% ] 2.019 ms
synergyc - 8369 : 941 [ 0.0% ] 3.291 ms
synergyc - 8371 : 85 [ 0.0% ] 1.817 ms
jbd2/dm-4-8 - 9352 : 4 [ 0.0% ] 0.109 ms
rpcbind - 9786 : 3 [ 0.0% ] 0.017 ms
rtkit-daemon - 12802 : 10 [ 0.0% ] 0.038 ms
rtkit-daemon - 12803 : 8 [ 0.0% ] 0.000 ms
udisks-daemon - 13020 : 27 [ 0.0% ] 0.240 ms
kworker/7:0 - 14651 : 669 [ 0.0% ] 2.616 ms
kworker/5:1 - 16220 : 2 [ 0.0% ] 0.069 ms
kworker/4:0 - 19776 : 13 [ 0.0% ] 0.176 ms
openvpn - 20131 : 133 [ 0.0% ] 0.762 ms
plugin-containe - 20508 : 60658 [ 1.7% ] 131.153 ms
npviewer.bin - 20520 : 72208 [ 2.0% ] 138.945 ms
npviewer.bin - 20542 : 35 [ 0.0% ] 0.074 ms
npviewer.bin - 20543 : 30 [ 0.0% ] 0.074 ms
npviewer.bin - 20547 : 35 [ 0.0% ] 0.092 ms
npviewer.bin - 20552 : 35 [ 0.0% ] 0.093 ms
sshd - 20645 : 32 [ 0.0% ] 0.071 ms
npviewer.bin - 21053 : 35 [ 0.0% ] 0.074 ms
npviewer.bin - 21054 : 35 [ 0.0% ] 0.097 ms
kworker/0:2 - 21169 : 149 [ 0.0% ] 1.143 ms
kworker/3:0 - 22171 : 113 [ 0.0% ] 96.892 ms
flush-253:4 - 22410 : 1 [ 0.0% ] 0.028 ms
kworker/6:0 - 24581 : 25 [ 0.0% ] 0.275 ms
kworker/1:0 - 25572 : 4 [ 0.0% ] 0.103 ms
kworker/2:1 - 26299 : 138 [ 0.0% ] 1.440 ms
kworker/0:0 - 26325 : 1 [ 0.0% ] 0.003 ms
perf - 26330 : 3506967 [ 96.1% ] 6648.310 ms
[root@sandy ~]#
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/n/tip-mzuli0srnxyi1o029py6537x@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
|
| /linux/tools/perf/ |
| H A D | builtin-trace.c | diff 1302d88e66f12a7b46a5598e641d93f0713007e0 Wed Oct 17 22:13:12 CEST 2012 Arnaldo Carvalho de Melo <acme@redhat.com> perf trace: Use sched:sched_stat_runtime to provide a thread summary
[root@sandy ~]# perf trace --sched --duration 0.100 --pid `pidof firefox`
<SNIP>
17079.847 ( 0.009 ms): 17643 poll(ufds: 140037623086496, nfds: 11, timeout_msecs: 0) = 0 Timeout
17079.892 ( 0.010 ms): 17643 read(fd: 4, buf: 140038178943092, count: 4096 ) = -1 EAGAIN Resource temporarily unavailable
17079.921 ( 0.013 ms): 17643 poll(ufds: 140037623086496, nfds: 11, timeout_msecs: 0) = 0 Timeout
17079.949 ( 0.009 ms): 17643 read(fd: 4, buf: 140038178943092, count: 4096 ) = -1 EAGAIN Resource temporarily unavailable
^C
_____________________________________________________________________
__) Summary of events (__
[ task - pid ] [ events ] [ ratio ] [ runtime ]
_____________________________________________________________________
firefox - 17643 : 18013 [ 72.2% ] 359.110 ms
firefox - 17663 : 41 [ 0.2% ] 21.439 ms
firefox - 17664 : 6840 [ 27.4% ] 133.642 ms
firefox - 17667 : 46 [ 0.2% ] 0.682 ms
[root@sandy ~]#
This is equivalent to the 'perf trace summary' subcomand in the tmp.perf/trace2
branch.
Another example, setting a huge duration filter to get just a system
wide summary:
[root@sandy ~]# perf trace --duration 10000.0 --sched
^C
_____________________________________________________________________
__) Summary of events (__
[ task - pid ] [ events ] [ ratio ] [ runtime ]
_____________________________________________________________________
scsi_eh_1 - 258 : 15 [ 0.0% ] 0.133 ms
kworker/0:1H - 322 : 13 [ 0.0% ] 0.032 ms
jbd2/dm-0-8 - 384 : 4 [ 0.0% ] 0.115 ms
flush-253:0 - 470 : 1 [ 0.0% ] 0.027 ms
firefox - 950 : 4783 [ 0.1% ] 24.863 ms
firefox - 992 : 1883 [ 0.1% ] 6.808 ms
firefox - 995 : 35 [ 0.0% ] 0.111 ms
ksoftirqd/6 - 4362 : 2 [ 0.0% ] 0.005 ms
ksoftirqd/7 - 4365 : 1 [ 0.0% ] 0.007 ms
Xorg - 4671 : 148 [ 0.0% ] 0.912 ms
gnome-settings- - 4846 : 14 [ 0.0% ] 0.086 ms
seahorse-daemon - 4847 : 14 [ 0.0% ] 0.092 ms
gnome-panel - 4875 : 46 [ 0.0% ] 0.159 ms
gnome-power-man - 4918 : 16 [ 0.0% ] 0.065 ms
gvfs-afc-volume - 4992 : 77 [ 0.0% ] 0.136 ms
gnome-screensav - 5114 : 24 [ 0.0% ] 0.128 ms
xchat - 8082 : 466 [ 0.0% ] 2.019 ms
synergyc - 8369 : 941 [ 0.0% ] 3.291 ms
synergyc - 8371 : 85 [ 0.0% ] 1.817 ms
jbd2/dm-4-8 - 9352 : 4 [ 0.0% ] 0.109 ms
rpcbind - 9786 : 3 [ 0.0% ] 0.017 ms
rtkit-daemon - 12802 : 10 [ 0.0% ] 0.038 ms
rtkit-daemon - 12803 : 8 [ 0.0% ] 0.000 ms
udisks-daemon - 13020 : 27 [ 0.0% ] 0.240 ms
kworker/7:0 - 14651 : 669 [ 0.0% ] 2.616 ms
kworker/5:1 - 16220 : 2 [ 0.0% ] 0.069 ms
kworker/4:0 - 19776 : 13 [ 0.0% ] 0.176 ms
openvpn - 20131 : 133 [ 0.0% ] 0.762 ms
plugin-containe - 20508 : 60658 [ 1.7% ] 131.153 ms
npviewer.bin - 20520 : 72208 [ 2.0% ] 138.945 ms
npviewer.bin - 20542 : 35 [ 0.0% ] 0.074 ms
npviewer.bin - 20543 : 30 [ 0.0% ] 0.074 ms
npviewer.bin - 20547 : 35 [ 0.0% ] 0.092 ms
npviewer.bin - 20552 : 35 [ 0.0% ] 0.093 ms
sshd - 20645 : 32 [ 0.0% ] 0.071 ms
npviewer.bin - 21053 : 35 [ 0.0% ] 0.074 ms
npviewer.bin - 21054 : 35 [ 0.0% ] 0.097 ms
kworker/0:2 - 21169 : 149 [ 0.0% ] 1.143 ms
kworker/3:0 - 22171 : 113 [ 0.0% ] 96.892 ms
flush-253:4 - 22410 : 1 [ 0.0% ] 0.028 ms
kworker/6:0 - 24581 : 25 [ 0.0% ] 0.275 ms
kworker/1:0 - 25572 : 4 [ 0.0% ] 0.103 ms
kworker/2:1 - 26299 : 138 [ 0.0% ] 1.440 ms
kworker/0:0 - 26325 : 1 [ 0.0% ] 0.003 ms
perf - 26330 : 3506967 [ 96.1% ] 6648.310 ms
[root@sandy ~]#
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/n/tip-mzuli0srnxyi1o029py6537x@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
|