From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752778AbcAPQFL (ORCPT ); Sat, 16 Jan 2016 11:05:11 -0500 Received: from mail-pf0-f195.google.com ([209.85.192.195]:33680 "EHLO mail-pf0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752722AbcAPQFG (ORCPT ); Sat, 16 Jan 2016 11:05:06 -0500 From: Namhyung Kim To: Arnaldo Carvalho de Melo Cc: Ingo Molnar , Peter Zijlstra , Jiri Olsa , LKML , David Ahern , Stephane Eranian , Andi Kleen , Wang Nan Subject: [PATCH 15/17] perf report: Add --hierarchy option Date: Sun, 17 Jan 2016 01:03:15 +0900 Message-Id: <1452960197-5323-16-git-send-email-namhyung@kernel.org> X-Mailer: git-send-email 2.6.4 In-Reply-To: <1452960197-5323-1-git-send-email-namhyung@kernel.org> References: <1452960197-5323-1-git-send-email-namhyung@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The --hierarchy option is to show output in hierarchy mode. It extends folding/unfolding in the TUI and GTK browsers to support sort items as well as callchains. Users can toggle the items to see the performance result at wanted level. $ perf report --hierarchy --tui Overhead Command / Shared Object / Symbol + 32.96% gnome-shell - 15.11% swapper - 14.97% [kernel.vmlinux] 6.82% [k] intel_idle 0.66% [k] menu_select 0.43% [k] __hrtimer_start_range_ns ... Signed-off-by: Namhyung Kim --- tools/perf/Documentation/perf-report.txt | 3 +++ tools/perf/Documentation/tips.txt | 1 + tools/perf/builtin-report.c | 17 +++++++++++++++++ 3 files changed, 21 insertions(+) diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index 8a301f6afb37..d2b4d6e15622 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -398,6 +398,9 @@ include::itrace.txt[] --raw-trace:: When displaying traceevent output, do not use print fmt or plugins. +--hierarchy:: + Enable hierarchical output. + include::callchain-overhead-calculation.txt[] SEE ALSO diff --git a/tools/perf/Documentation/tips.txt b/tools/perf/Documentation/tips.txt index e0ce9573b79b..5950b5a24efd 100644 --- a/tools/perf/Documentation/tips.txt +++ b/tools/perf/Documentation/tips.txt @@ -27,3 +27,4 @@ Skip collecing build-id when recording: perf record -B To change sampling frequency to 100 Hz: perf record -F 100 See assembly instructions with percentage: perf annotate If you prefer Intel style assembly, try: perf annotate -M intel +For hierarchical output, try: perf report --hierarchy diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 2bf537f190a0..fd26db0f4c74 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -798,6 +798,8 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) "only show processor socket that match with this filter"), OPT_BOOLEAN(0, "raw-trace", &symbol_conf.raw_trace, "Show raw trace event output (do not use print fmt or plugins)"), + OPT_BOOLEAN(0, "hierarchy", &symbol_conf.report_hierarchy, + "Show entries in a hierarchy"), OPT_END() }; struct perf_data_file file = { @@ -907,6 +909,21 @@ repeat: symbol_conf.cumulate_callchain = false; } + if (symbol_conf.report_hierarchy) { + /* disable incompatible options */ + symbol_conf.event_group = false; + symbol_conf.cumulate_callchain = false; + + if (field_order) { + pr_err("Error: --hierarchy and --fields options cannot be used together\n"); + parse_options_usage(report_usage, options, "F", 1); + parse_options_usage(NULL, options, "hierarchy", 0); + goto error; + } + + sort__need_collapse = true; + } + if (setup_sorting(session->evlist) < 0) { if (sort_order) parse_options_usage(report_usage, options, "s", 1); -- 2.6.4