From 793aaaabb79803a0154fc6a98c472a29bb6d5cc9 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Wed, 30 Oct 2013 17:05:55 +0900 Subject: perf report: Add --children option The --children option is for showing accumulated overhead (period) value as well as self overhead. Signed-off-by: Namhyung Kim Tested-by: Arun Sharma Tested-by: Rodrigo Campos Cc: Frederic Weisbecker Link: http://lkml.kernel.org/r/1401335910-16832-16-git-send-email-namhyung@kernel.org Signed-off-by: Jiri Olsa --- tools/perf/Documentation/perf-report.txt | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'tools/perf/Documentation') diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index a1b5185..cefdf43 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 -- cgit v1.1