perf tools: Explicitly document that --children is enabled by default
The fact that the --children option is enabled by default is buried deep
at the end of the help page, in the overhead calculation section. This
make it explicit right where the option is listed, following the same
way other default options are described
Signed-off-by: Yannick Brosseau <scientist@fb.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: kernel-team@fb.com
Link: http://lkml.kernel.org/r/20161202160732.29058-1-scientist@fb.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt
index 91d638d..e71d638 100644
--- a/tools/perf/Documentation/perf-top.txt
+++ b/tools/perf/Documentation/perf-top.txt
@@ -170,6 +170,7 @@
show up in the output. The output will have a new "Children" column
and will be sorted on the data. It requires -g/--call-graph option
enabled. See the `overhead calculation' section for more details.
+ Enabled by default, disable with --no-children.
--max-stack::
Set the stack depth limit when parsing the callchain, anything