linux-kernel-test/tools/perf
Arnaldo Carvalho de Melo 1302d88e66 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>
2012-10-25 10:57:43 -02:00
..
arch perf tools: Try to find cross-built objdump path 2012-10-24 14:20:11 -02:00
bench perf tools: Use __maybe_used for unused variables 2012-09-11 12:19:15 -03:00
config perf tools: Remove noise in python version feature test 2012-10-24 14:20:10 -02:00
Documentation perf trace: Use sched:sched_stat_runtime to provide a thread summary 2012-10-25 10:57:43 -02:00
python perf python: Use attr.watermark in twatch.py 2012-01-30 18:38:23 -02:00
scripts perf scripts: Add event_analyzing_sample-record/report 2012-09-17 13:11:15 -03:00
ui Merge branch 'perf/urgent' into perf/core 2012-10-24 10:20:57 +02:00
util perf tools: Don't stop synthesizing threads when one vanishes 2012-10-25 10:37:15 -02:00
.gitignore perf tools: Ignore compiled python binaries 2012-09-07 12:10:58 -03:00
bash_completion perf tools: Complete tracepoint event names 2012-10-04 12:44:52 -03:00
builtin-annotate.c perf tools: Try to find cross-built objdump path 2012-10-24 14:20:11 -02:00
builtin-bench.c perf tools: Use __maybe_used for unused variables 2012-09-11 12:19:15 -03:00
builtin-buildid-cache.c perf buildid-cache: Don't use globals where not needed to 2012-10-02 18:36:35 -03:00
builtin-buildid-list.c perf buildid-list: Don't use globals where not needed to 2012-10-02 18:36:36 -03:00
builtin-diff.c perf event: No need to create a thread when handling PERF_RECORD_EXIT 2012-10-06 16:33:45 -03:00
builtin-evlist.c perf evlist: Don't use globals where not needed to 2012-10-02 18:36:39 -03:00
builtin-help.c perf help: Fix --help for builtins 2012-10-22 12:35:49 -02:00
builtin-inject.c perf event: No need to create a thread when handling PERF_RECORD_EXIT 2012-10-06 16:33:45 -03:00
builtin-kmem.c perf kmem: Don't use globals where not needed to 2012-10-02 18:36:32 -03:00
builtin-kvm.c perf kvm: Add braces around multi-line statements 2012-10-08 17:15:54 -03:00
builtin-list.c perf tools: Use __maybe_used for unused variables 2012-09-11 12:19:15 -03:00
builtin-lock.c perf lock: Don't use globals where not needed to 2012-10-02 18:36:33 -03:00
builtin-probe.c perf probe: Don't use globals where not needed to 2012-10-02 18:36:37 -03:00
builtin-record.c perf tools: Give user better message if precise is not supported 2012-10-24 14:20:11 -02:00
builtin-report.c perf tools: Try to find cross-built objdump path 2012-10-24 14:20:11 -02:00
builtin-sched.c perf sched: Handle PERF_RECORD_EXIT events 2012-10-06 16:34:03 -03:00
builtin-script.c perf event: No need to create a thread when handling PERF_RECORD_EXIT 2012-10-06 16:33:45 -03:00
builtin-stat.c perf stat: Don't use globals where not needed to 2012-10-02 18:36:29 -03:00
builtin-test.c perf test: Align the 'Ok'/'FAILED!' test results 2012-10-24 15:44:41 -02:00
builtin-timechart.c perf timechart: Don't use globals where not needed to 2012-10-02 18:36:34 -03:00
builtin-top.c perf tools: Give user better message if precise is not supported 2012-10-24 14:20:11 -02:00
builtin-trace.c perf trace: Use sched:sched_stat_runtime to provide a thread summary 2012-10-25 10:57:43 -02:00
builtin.h perf trace: New tool 2012-09-26 20:42:23 -03:00
command-list.txt perf trace: New tool 2012-09-26 20:42:23 -03:00
CREDITS perf_counter tools: Add CREDITS file for Git contributors 2009-06-24 19:54:29 +02:00
design.txt perf tools: Update ioctl documentation for PERF_IOC_FLAG_GROUP 2012-05-31 11:38:42 -03:00
Makefile perf tools: Try to build Documentation when installing 2012-10-24 19:30:48 -02:00
MANIFEST perf kvm: Events analysis tool 2012-09-21 12:51:22 -03:00
perf-archive.sh perf archive: Make 'f' the last parameter for tar 2012-09-17 13:10:42 -03:00
perf.c perf tools: Have the page size value available for all tools 2012-10-06 16:33:14 -03:00
perf.h perf/urgent fixes: 2012-10-20 02:40:26 +02:00