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| author | Changbin Du <changbin.du@gmail.com> | 2020-08-08 05:31:28 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-08-14 14:54:04 +0300 |
| commit | 81523c1e579bb95106e22b864fbef687d585f2b9 (patch) | |
| tree | 8ea4c332492e22a440a800b42695747160d8ef43 /tools/perf/Documentation/perf-ftrace.txt | |
| parent | 846e1939801a0893ea71a6a56d8dbe2bf46682d1 (diff) | |
| download | linux-81523c1e579bb95106e22b864fbef687d585f2b9.tar.xz | |
perf ftrace: Show trace column header
This makes 'perf ftrace' display column header before printing trace.
$ sudo perf ftrace
# tracer: function
#
# entries-in-buffer/entries-written: 0/0 #P:8
#
# TASK-PID CPU# TIMESTAMP FUNCTION
# | | | | |
<...>-9246 [006] 10726.262760: mutex_unlock <-rb_simple_write
<...>-9246 [006] 10726.262764: __fsnotify_parent <-vfs_write
<...>-9246 [006] 10726.262765: fsnotify <-vfs_write
<...>-9246 [006] 10726.262766: __sb_end_write <-vfs_write
<...>-9246 [006] 10726.262767: fpregs_assert_state_consistent <-do_syscall_64
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Link: http://lore.kernel.org/lkml/20200808023141.14227-6-changbin.du@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation/perf-ftrace.txt')
0 files changed, 0 insertions, 0 deletions