Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751784AbdHAG0Y (ORCPT ); Tue, 1 Aug 2017 02:26:24 -0400 Received: from mail-pf0-f193.google.com ([209.85.192.193]:38118 "EHLO mail-pf0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751008AbdHAG0X (ORCPT ); Tue, 1 Aug 2017 02:26:23 -0400 Subject: Re: [PATCH v4 5/9] perf annotate stdio: Support --show-nr-samples option To: Arnaldo Carvalho de Melo Cc: linux-kernel@vger.kernel.org, Namhyung Kim , Milian Wolff , Jiri Olsa References: <1501172176-6808-1-git-send-email-treeze.taeung@gmail.com> <20170728162617.GC12201@kernel.org> From: Taeung Song Message-ID: <74531f74-f466-117f-902d-c5b431d45935@gmail.com> Date: Tue, 1 Aug 2017 15:26:20 +0900 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: <20170728162617.GC12201@kernel.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2888 Lines: 73 On 07/29/2017 01:26 AM, Arnaldo Carvalho de Melo wrote: > Em Fri, Jul 28, 2017 at 01:16:16AM +0900, Taeung Song escreveu: >> Add --show-nr-samples option to perf-annotate >> so that it corresponds with perf-report. > > So this is not that intuitive, i.e. if one ask for: > > perf annotate --show-total-period --show-nr-samples > > then both should appear, no? > > - Arnaldo I thought the users can use both --show-total-period and --show-nr-samples, but perf-annotate can preferentially show the total period view IMHO. What do you think about it ? we need to prevent users from using both ? Thanks, Taeung > >> Cc: Namhyung Kim >> Cc: Milian Wolff >> Cc: Jiri Olsa >> Signed-off-by: Taeung Song >> --- >> tools/perf/builtin-annotate.c | 2 ++ >> tools/perf/util/annotate.c | 6 +++++- >> 2 files changed, 7 insertions(+), 1 deletion(-) >> >> diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c >> index 6db782d..a8e6db2 100644 >> --- a/tools/perf/builtin-annotate.c >> +++ b/tools/perf/builtin-annotate.c >> @@ -447,6 +447,8 @@ int cmd_annotate(int argc, const char **argv) >> "Show event group information together"), >> OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, >> "Show a column with the sum of periods"), >> + OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, >> + "Show a column with the number of samples"), >> OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode", >> "'always' (default), 'never' or 'auto' only applicable to --stdio mode", >> stdio__config_color, "always"), >> diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c >> index 5125c2b..7032bdc 100644 >> --- a/tools/perf/util/annotate.c >> +++ b/tools/perf/util/annotate.c >> @@ -1144,6 +1144,9 @@ static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 st >> if (symbol_conf.show_total_period) >> color_fprintf(stdout, color, " %11" PRIu64, >> sample.period); >> + else if (symbol_conf.show_nr_samples) >> + color_fprintf(stdout, color, " %7" PRIu64, >> + sample.nr_samples); >> else >> color_fprintf(stdout, color, " %7.2f", percent); >> } >> @@ -1824,7 +1827,8 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map, >> width *= evsel->nr_members; >> >> graph_dotted_len = printf(" %-*.*s| Source code & Disassembly of %s for %s (%" PRIu64 " samples)\n", >> - width, width, symbol_conf.show_total_period ? "Event count" : "Percent", >> + width, width, symbol_conf.show_total_period ? "Event count" : >> + symbol_conf.show_nr_samples ? "Samples" : "Percent", >> d_filename, evsel_name, h->nr_samples); >> >> printf("%-*.*s----\n", >> -- >> 2.7.4