From c87097d39dae1c42a5068e00dd3b76a4162ee0fc Mon Sep 17 00:00:00 2001 From: Stanislav Fomichev Date: Fri, 1 Nov 2013 20:25:48 +0400 Subject: [PATCH] perf timechart: Add support for displaying only tasks related data In order to make SVG smaller and faster to browse add possibility to switch off power related information with -T switch. Signed-off-by: Stanislav Fomichev Acked-by: Namhyung Kim Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1383323151-19810-5-git-send-email-stfomichev@yandex-team.ru Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Documentation/perf-timechart.txt | 3 +++ tools/perf/builtin-timechart.c | 11 ++++++++++- 2 files changed, 13 insertions(+), 1 deletion(-) diff --git a/tools/perf/Documentation/perf-timechart.txt b/tools/perf/Documentation/perf-timechart.txt index 4373144..d844189 100644 --- a/tools/perf/Documentation/perf-timechart.txt +++ b/tools/perf/Documentation/perf-timechart.txt @@ -35,6 +35,9 @@ OPTIONS -P:: --power-only:: Only output the CPU power section of the diagram +-T:: +--tasks-only:: + Don't output processor state transitions -p:: --process:: Select the processes to display, by name or PID diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c index 6410c9e..b3f175a 100644 --- a/tools/perf/builtin-timechart.c +++ b/tools/perf/builtin-timechart.c @@ -51,6 +51,7 @@ static u64 turbo_frequency; static u64 first_time, last_time; static bool power_only; +static bool tasks_only; struct per_pid; @@ -971,7 +972,8 @@ static void write_svg_file(const char *filename) draw_cpu_usage(); if (proc_num) draw_process_bars(); - draw_c_p_states(); + if (!tasks_only) + draw_c_p_states(); if (proc_num) draw_wakeups(); @@ -1102,6 +1104,8 @@ int cmd_timechart(int argc, const char **argv, OPT_STRING('o', "output", &output_name, "file", "output file name"), OPT_INTEGER('w', "width", &svg_page_width, "page width"), OPT_BOOLEAN('P', "power-only", &power_only, "output power data only"), + OPT_BOOLEAN('T', "tasks-only", &tasks_only, + "output processes data only"), OPT_CALLBACK('p', "process", NULL, "process", "process selector. Pass a pid or process name.", parse_process), @@ -1119,6 +1123,11 @@ int cmd_timechart(int argc, const char **argv, argc = parse_options(argc, argv, options, timechart_usage, PARSE_OPT_STOP_AT_NON_OPTION); + if (power_only && tasks_only) { + pr_err("-P and -T options cannot be used at the same time.\n"); + return -1; + } + symbol__init(); if (argc && !strncmp(argv[0], "rec", 3)) -- 2.7.4