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perf timechart: Add --highlight option

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This option highlights tasks (using different color) that run more than
given duration or tasks with given name.

Signed-off-by: Stanislav Fomichev <stfomichev@yandex-team.ru>
Acked-by: Ingo Molnar <mingo@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Ramkumar Ramachandra <artagnon@gmail.com>
Link: http://lkml.kernel.org/r/20131217155349.GA13021@stfomichev-desktop
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Stanislav Fomichev 2013-12-17 19:53:49 +04:00 • committed by Arnaldo Carvalho de Melo
parent ee4e9625c8
commit e57a2dffbc
4 changed files with 56 additions and 5 deletions
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21
tools/perf/builtin-timechart.c
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@ -841,7 +841,6 @@ static void draw_cpu_usage(struct timechart *tchart)
sample->start_time,
sample->end_time,
p->pid,
"sample",
c->comm,
sample->backtrace);
}
@ -1252,6 +1251,23 @@ parse_process(const struct option *opt __maybe_unused, const char *arg,
return 0;
}
static int
parse_highlight(const struct option *opt __maybe_unused, const char *arg,
int __maybe_unused unset)
{
unsigned long duration = strtoul(arg, NULL, 0);
if (svg_highlight || svg_highlight_name)
return -1;
if (duration)
svg_highlight = duration;
else
svg_highlight_name = strdup(arg);
return 0;
}
int cmd_timechart(int argc, const char **argv,
const char *prefix __maybe_unused)
{
@ -1270,6 +1286,9 @@ int cmd_timechart(int argc, const char **argv,
OPT_STRING('i', "input", &input_name, "file", "input file name"),
OPT_STRING('o', "output", &output_name, "file", "output file name"),
OPT_INTEGER('w', "width", &svg_page_width, "page width"),
OPT_CALLBACK(0, "highlight", NULL, "duration or task name",
"highlight tasks. Pass duration in ns or process name.",
parse_highlight),
OPT_BOOLEAN('P', "power-only", &tchart.power_only, "output power data only"),
OPT_BOOLEAN('T', "tasks-only", &tchart.tasks_only,
"output processes data only"),