From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756455AbaAHIvI (ORCPT ); Wed, 8 Jan 2014 03:51:08 -0500 Received: from lgeamrelo01.lge.com ([156.147.1.125]:42210 "EHLO LGEAMRELO01.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755903AbaAHIqu (ORCPT ); Wed, 8 Jan 2014 03:46:50 -0500 X-AuditID: 9c93017d-b7b66ae000006a2a-2a-52cd10707c5b From: Namhyung Kim To: Arnaldo Carvalho de Melo Cc: Peter Zijlstra , Paul Mackerras , Ingo Molnar , Namhyung Kim , LKML , Arun Sharma , Frederic Weisbecker , Jiri Olsa , Rodrigo Campos Subject: [PATCH 19/28] perf report: Add --children option Date: Wed, 8 Jan 2014 17:46:24 +0900 Message-Id: <1389170793-21926-20-git-send-email-namhyung@kernel.org> X-Mailer: git-send-email 1.7.11.7 In-Reply-To: <1389170793-21926-1-git-send-email-namhyung@kernel.org> References: <1389170793-21926-1-git-send-email-namhyung@kernel.org> X-Brightmail-Tracker: AAAAAA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The --children option is for showing accumulated overhead (period) value as well as self overhead. Cc: Arun Sharma Cc: Frederic Weisbecker Signed-off-by: Namhyung Kim --- tools/perf/Documentation/perf-report.txt | 5 +++++ tools/perf/builtin-report.c | 10 ++++++++++ 2 files changed, 15 insertions(+) diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index 8eab8a4bdeb8..710fc8b18f6b 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -141,6 +141,11 @@ 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 diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 5f07da10f83c..6db8d6d74ad1 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -685,6 +685,14 @@ static int report__setup_sample_type(struct report *rep) } } + if (symbol_conf.cumulate_callchain) { + /* Silently ignore if callchain is missing */ + if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) { + symbol_conf.cumulate_callchain = false; + perf_hpp__cancel_cumulate(); + } + } + if (sort__mode == SORT_MODE__BRANCH) { if (!is_pipe && !(sample_type & PERF_SAMPLE_BRANCH_STACK)) { @@ -1115,6 +1123,8 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order", "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit, callchain order, key (function or address). " "Default: fractal,0.5,callee,function", &parse_callchain_opt, callchain_default_opt), + OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain, + "Accumulate callchains of children and show total overhead as well"), OPT_INTEGER(0, "max-stack", &report.max_stack, "Set the maximum stack depth when parsing the callchain, " "anything beyond the specified depth will be ignored. " -- 1.7.11.7