perf: ftrace: Allow set graph depth by '--graph-opts'

This is to have a consistent view of all graph tracer options.
The original option '--graph-depth' is marked as deprecated.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
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/20200808023141.14227-15-changbin.du@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Changbin Du
2020-08-08 10:31:37 +08:00
committed by Arnaldo Carvalho de Melo
parent 00c85d5f45
commit a8f87a5cb4
2 changed files with 3 additions and 7 deletions

View File

@@ -98,16 +98,13 @@ OPTIONS
specify multiple functions. It will be passed to 'set_graph_notrace'
in tracefs.
-D::
--graph-depth=::
Set max depth for function graph tracer to follow
--graph-opts::
List of options allowed to set:
nosleep-time - Measure on-CPU time only for function_graph tracer.
noirqs - Ignore functions that happen inside interrupt.
verbose - Show process names, PIDs, timestamps, etc.
thresh=<n> - Setup trace duration threshold in microseconds.
depth=<n> - Set max depth for function graph tracer to follow.
SEE ALSO
--------