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81523c1e57
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>
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| .. | ||
| accounting | ||
| arch | ||
| bootconfig | ||
| bpf | ||
| build | ||
| cgroup | ||
| debugging | ||
| edid | ||
| firewire | ||
| firmware | ||
| gpio | ||
| hv | ||
| iio | ||
| include | ||
| io_uring | ||
| kvm/kvm_stat | ||
| laptop | ||
| leds | ||
| lib | ||
| memory-model | ||
| nfsd | ||
| objtool | ||
| pci | ||
| pcmcia | ||
| perf | ||
| power | ||
| scripts | ||
| spi | ||
| testing | ||
| thermal/tmon | ||
| time | ||
| usb | ||
| virtio | ||
| vm | ||
| wmi | ||
| Makefile | ||