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-rw-r--r--tools/perf/Documentation/perf-report.txt7
1 files changed, 6 insertions, 1 deletions
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index a1b5185402d5..cefdf430d1b4 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -111,7 +111,7 @@ OPTIONS
--fields=::
Specify output field - multiple keys can be specified in CSV format.
Following fields are available:
- overhead, overhead_sys, overhead_us, sample and period.
+ overhead, overhead_sys, overhead_us, overhead_children, sample and period.
Also it can contain any sort key(s).
By default, every sort keys not specified in -F will be appended
@@ -163,6 +163,11 @@ OPTIONS
Default: fractal,0.5,callee,function.
+--children::
+ Accumulate callchain of children to parent entry so that then can
+ show up in the output. The output will have a new "Children" column
+ and will be sorted on the data. It requires callchains are recorded.
+
--max-stack::
Set the stack depth limit when parsing the callchain, anything
beyond the specified depth will be ignored. This is a trade-off