diff options
| author | Stanislav Fomichev <stfomichev@yandex-team.ru> | 2013-11-01 20:25:48 +0400 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-11-27 21:58:37 +0400 |
| commit | c87097d39dae1c42a5068e00dd3b76a4162ee0fc (patch) | |
| tree | a10189395b252d9f238cc0ee50f8f385a1697a25 /tools/perf | |
| parent | 753c505dc49a87a4421d452bda048e4b93e8e42b (diff) | |
| download | linux-c87097d39dae1c42a5068e00dd3b76a4162ee0fc.tar.xz | |
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 <stfomichev@yandex-team.ru>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1383323151-19810-5-git-send-email-stfomichev@yandex-team.ru
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/Documentation/perf-timechart.txt | 3 | ||||
| -rw-r--r-- | tools/perf/builtin-timechart.c | 11 |
2 files changed, 13 insertions, 1 deletions
diff --git a/tools/perf/Documentation/perf-timechart.txt b/tools/perf/Documentation/perf-timechart.txt index 4373144a43b4..d8441894d9ec 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 6410c9ead9e2..b3f175a30d94 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)) |