diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-09-12 17:35:21 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-10-09 16:11:33 +0200 |
| commit | 50c95cbd70808aa2e5ba8d79e503456f1da37aeb (patch) | |
| tree | 35b9e1691ff0b843e7e040f84c30655910d915ce /tools/perf/Documentation/perf-trace.txt | |
| parent | perf trace: Beautify eventfd2 'flags' arg (diff) | |
| download | linux-50c95cbd70808aa2e5ba8d79e503456f1da37aeb.tar.xz linux-50c95cbd70808aa2e5ba8d79e503456f1da37aeb.zip | |
perf trace: Add option to show process COMM
Enabled by default, disable with --no-comm, e.g.:
181.821 (0.001 ms): deja-dup-monit/10784 recvmsg(fd: 8, msg: 0x7fff4342baf0, flags: PEEK|TRUNC|CMSG_CLOEXEC ) = 20
181.824 (0.001 ms): deja-dup-monit/10784 geteuid( ) = 1000
181.825 (0.001 ms): deja-dup-monit/10784 getegid( ) = 1000
181.834 (0.002 ms): deja-dup-monit/10784 recvmsg(fd: 8, msg: 0x7fff4342baf0, flags: CMSG_CLOEXEC ) = 20
181.836 (0.001 ms): deja-dup-monit/10784 geteuid( ) = 1000
181.838 (0.001 ms): deja-dup-monit/10784 getegid( ) = 1000
181.705 (0.003 ms): evolution-addr/10924 recvmsg(fd: 10, msg: 0x7fff17dc6990, flags: PEEK|TRUNC|CMSG_CLOEXEC) = 1256
181.710 (0.002 ms): evolution-addr/10924 geteuid( ) = 1000
181.712 (0.001 ms): evolution-addr/10924 getegid( ) = 1000
181.727 (0.003 ms): evolution-addr/10924 recvmsg(fd: 10, msg: 0x7fff17dc6990, flags: CMSG_CLOEXEC ) = 1256
181.731 (0.001 ms): evolution-addr/10924 geteuid( ) = 1000
181.734 (0.001 ms): evolution-addr/10924 getegid( ) = 1000
181.908 (0.002 ms): evolution-addr/10924 recvmsg(fd: 10, msg: 0x7fff17dc6990, flags: PEEK|TRUNC|CMSG_CLOEXEC) = 20
181.913 (0.001 ms): evolution-addr/10924 geteuid( ) = 1000
181.915 (0.001 ms): evolution-addr/10924 getegid( ) = 1000
181.930 (0.003 ms): evolution-addr/10924 recvmsg(fd: 10, msg: 0x7fff17dc6990, flags: CMSG_CLOEXEC ) = 20
181.934 (0.001 ms): evolution-addr/10924 geteuid( ) = 1000
181.937 (0.001 ms): evolution-addr/10924 getegid( ) = 1000
220.718 (0.010 ms): at-spi2-regist/10715 sendmsg(fd: 3, msg: 0x7fffdb8756c0, flags: NOSIGNAL ) = 200
220.741 (0.000 ms): dbus-daemon/10711 ... [continued]: epoll_wait()) = 1
220.759 (0.004 ms): dbus-daemon/10711 recvmsg(fd: 11, msg: 0x7ffff94594d0, flags: CMSG_CLOEXEC ) = 200
220.780 (0.002 ms): dbus-daemon/10711 recvmsg(fd: 11, msg: 0x7ffff94594d0, flags: CMSG_CLOEXEC ) = 200
220.788 (0.001 ms): dbus-daemon/10711 recvmsg(fd: 11, msg: 0x7ffff94594d0, flags: CMSG_CLOEXEC ) = -1 EAGAIN Resource temporarily unavailable
220.760 (0.004 ms): at-spi2-regist/10715 sendmsg(fd: 3, msg: 0x7fffdb8756c0, flags: NOSIGNAL ) = 200
220.771 (0.023 ms): perf/26347 open(filename: 0xf2e780, mode: 15918976 ) = 19
220.850 (0.002 ms): perf/26347 close(fd: 19 ) = 0
Cc: Adrian Hunter <adrian.hunter@intel.com>
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: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-6be5jvnkdzjptdrebfn5263n@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation/perf-trace.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-trace.txt | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-trace.txt b/tools/perf/Documentation/perf-trace.txt index a93e91aad583..37773854d5c4 100644 --- a/tools/perf/Documentation/perf-trace.txt +++ b/tools/perf/Documentation/perf-trace.txt @@ -82,6 +82,9 @@ the thread executes on the designated CPUs. Default is to monitor all CPUs. --time Print full timestamp rather time relative to first sample. +--comm:: + Show process COMM right beside its ID, on by default, disable with --no-comm. + SEE ALSO -------- linkperf:perf-record[1], linkperf:perf-script[1] |