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Commit e57a2dff authored by Stanislav Fomichev's avatar Stanislav Fomichev Committed by Arnaldo Carvalho de Melo
Browse files

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: default avatarStanislav Fomichev <stfomichev@yandex-team.ru>
Acked-by: default avatarIngo 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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent ee4e9625
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+13 −0
Original line number Original line Diff line number Diff line
@@ -56,12 +56,25 @@ $ perf timechart


  Written 10.2 seconds of trace to output.svg.
  Written 10.2 seconds of trace to output.svg.


Record system-wide timechart:

  $ perf timechart record

  then generate timechart and highlight 'gcc' tasks:

  $ perf timechart --highlight gcc

-n::
-n::
--proc-num::
--proc-num::
        Print task info for at least given number of tasks.
        Print task info for at least given number of tasks.
-t::
-t::
--topology::
--topology::
        Sort CPUs according to topology.
        Sort CPUs according to topology.
--highlight=<duration_nsecs|task_name>::
	Highlight tasks (using different color) that run more than given
	duration or tasks with given name. If number is given it's interpreted
	as number of nanoseconds. If non-numeric string is given it's
	interpreted as task name.


RECORD OPTIONS
RECORD OPTIONS
--------------
--------------
+20 −1
Original line number Original line Diff line number Diff line
@@ -841,7 +841,6 @@ static void draw_cpu_usage(struct timechart *tchart)
						    sample->start_time,
						    sample->start_time,
						    sample->end_time,
						    sample->end_time,
						    p->pid,
						    p->pid,
						    "sample",
						    c->comm,
						    c->comm,
						    sample->backtrace);
						    sample->backtrace);
				}
				}
@@ -1252,6 +1251,23 @@ parse_process(const struct option *opt __maybe_unused, const char *arg,
	return 0;
	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,
int cmd_timechart(int argc, const char **argv,
		  const char *prefix __maybe_unused)
		  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('i', "input", &input_name, "file", "input file name"),
	OPT_STRING('o', "output", &output_name, "file", "output file name"),
	OPT_STRING('o', "output", &output_name, "file", "output file name"),
	OPT_INTEGER('w', "width", &svg_page_width, "page width"),
	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('P', "power-only", &tchart.power_only, "output power data only"),
	OPT_BOOLEAN('T', "tasks-only", &tchart.tasks_only,
	OPT_BOOLEAN('T', "tasks-only", &tchart.tasks_only,
		    "output processes data only"),
		    "output processes data only"),
+20 −3
Original line number Original line Diff line number Diff line
@@ -31,6 +31,8 @@ static u64 turbo_frequency, max_freq;
#define SLOT_HEIGHT 25.0
#define SLOT_HEIGHT 25.0


int svg_page_width = 1000;
int svg_page_width = 1000;
u64 svg_highlight;
const char *svg_highlight_name;


#define MIN_TEXT_SIZE 0.01
#define MIN_TEXT_SIZE 0.01


@@ -112,6 +114,7 @@ void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end)
	fprintf(svgfile, "      rect.process  { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:1;   stroke:rgb(  0,  0,  0); } \n");
	fprintf(svgfile, "      rect.process  { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:1;   stroke:rgb(  0,  0,  0); } \n");
	fprintf(svgfile, "      rect.process2 { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
	fprintf(svgfile, "      rect.process2 { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
	fprintf(svgfile, "      rect.sample   { fill:rgb(  0,  0,255); fill-opacity:0.8; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
	fprintf(svgfile, "      rect.sample   { fill:rgb(  0,  0,255); fill-opacity:0.8; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
	fprintf(svgfile, "      rect.sample_hi{ fill:rgb(255,128,  0); fill-opacity:0.8; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
	fprintf(svgfile, "      rect.blocked  { fill:rgb(255,  0,  0); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
	fprintf(svgfile, "      rect.blocked  { fill:rgb(255,  0,  0); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
	fprintf(svgfile, "      rect.waiting  { fill:rgb(224,214,  0); fill-opacity:0.8; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
	fprintf(svgfile, "      rect.waiting  { fill:rgb(224,214,  0); fill-opacity:0.8; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
	fprintf(svgfile, "      rect.WAITING  { fill:rgb(255,214, 48); fill-opacity:0.6; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
	fprintf(svgfile, "      rect.WAITING  { fill:rgb(255,214, 48); fill-opacity:0.6; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
@@ -155,17 +158,24 @@ void svg_blocked(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
void svg_running(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
void svg_running(int Yslot, int cpu, u64 start, u64 end, const char *backtrace)
{
{
	double text_size;
	double text_size;
	const char *type;

	if (!svgfile)
	if (!svgfile)
		return;
		return;


	if (svg_highlight && end - start > svg_highlight)
		type = "sample_hi";
	else
		type = "sample";
	fprintf(svgfile, "<g>\n");
	fprintf(svgfile, "<g>\n");


	fprintf(svgfile, "<title>#%d running %s</title>\n",
	fprintf(svgfile, "<title>#%d running %s</title>\n",
		cpu, time_to_string(end - start));
		cpu, time_to_string(end - start));
	if (backtrace)
	if (backtrace)
		fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace);
		fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace);
	fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"sample\"/>\n",
	fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"%s\"/>\n",
		time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT);
		time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT,
		type);


	text_size = (time2pixels(end)-time2pixels(start));
	text_size = (time2pixels(end)-time2pixels(start));
	if (cpu > 9)
	if (cpu > 9)
@@ -293,13 +303,20 @@ void svg_cpu_box(int cpu, u64 __max_freq, u64 __turbo_freq)
	fprintf(svgfile, "</g>\n");
	fprintf(svgfile, "</g>\n");
}
}


void svg_process(int cpu, u64 start, u64 end, int pid, const char *type, const char *name, const char *backtrace)
void svg_process(int cpu, u64 start, u64 end, int pid, const char *name, const char *backtrace)
{
{
	double width;
	double width;
	const char *type;


	if (!svgfile)
	if (!svgfile)
		return;
		return;


	if (svg_highlight && end - start >= svg_highlight)
		type = "sample_hi";
	else if (svg_highlight_name && strstr(name, svg_highlight_name))
		type = "sample_hi";
	else
		type = "sample";


	fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\">\n", time2pixels(start), cpu2y(cpu));
	fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\">\n", time2pixels(start), cpu2y(cpu));
	fprintf(svgfile, "<title>%d %s running %s</title>\n", pid, name, time_to_string(end - start));
	fprintf(svgfile, "<title>%d %s running %s</title>\n", pid, name, time_to_string(end - start));
+3 −1
Original line number Original line Diff line number Diff line
@@ -11,7 +11,7 @@ extern void svg_waiting(int Yslot, int cpu, u64 start, u64 end, const char *back
extern void svg_cpu_box(int cpu, u64 max_frequency, u64 turbo_frequency);
extern void svg_cpu_box(int cpu, u64 max_frequency, u64 turbo_frequency);




extern void svg_process(int cpu, u64 start, u64 end, int pid, const char *type, const char *name, const char *backtrace);
extern void svg_process(int cpu, u64 start, u64 end, int pid, const char *name, const char *backtrace);
extern void svg_cstate(int cpu, u64 start, u64 end, int type);
extern void svg_cstate(int cpu, u64 start, u64 end, int type);
extern void svg_pstate(int cpu, u64 start, u64 end, u64 freq);
extern void svg_pstate(int cpu, u64 start, u64 end, u64 freq);


@@ -27,5 +27,7 @@ extern int svg_build_topology_map(char *sib_core, int sib_core_nr,
				  char *sib_thr, int sib_thr_nr);
				  char *sib_thr, int sib_thr_nr);


extern int svg_page_width;
extern int svg_page_width;
extern u64 svg_highlight;
extern const char *svg_highlight_name;


#endif /* __PERF_SVGHELPER_H */
#endif /* __PERF_SVGHELPER_H */