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authorStanislav Fomichev <stfomichev@yandex-team.ru>2013-12-17 19:53:49 +0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-12-17 23:33:55 +0400
commite57a2dffbc7e28cef5f4659b98a9d5595010ab4d (patch)
tree4b09e46f5328e9f890002835179e09844d0ccbd7 /tools/perf/builtin-timechart.c
parentee4e9625c8d4ec3a35322a882f7b6e035d2a1ad5 (diff)
downloadlinux-e57a2dffbc7e28cef5f4659b98a9d5595010ab4d.tar.xz
perf timechart: Add --highlight option
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>
Diffstat (limited to 'tools/perf/builtin-timechart.c')
-rw-r--r--tools/perf/builtin-timechart.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index 8bde57c5c908..20d4212fa337 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -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"),