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Commit 3c09eebd authored by Arjan van de Ven's avatar Arjan van de Ven Committed by Ingo Molnar
Browse files

perf timechart: Add "perf timechart record" 



Add a command line option to record a trace, similar to "perf sched record".

Signed-off-by: default avatarArjan van de Ven <arjan@linux.intel.com>
Cc: fweisbec@gmail.com
Cc: peterz@infradead.org
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <20090919133442.0dc2c7f5@infradead.org>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 10274989

tools/perf/builtin-timechart.c

+39 −8
Original line number Diff line number Diff line
@@ -1086,11 +1086,42 @@ static int __cmd_timechart(void) 
	return rc;

}



static const char * const report_usage[] = {

	"perf report [<options>] <command>",

static const char * const timechart_usage[] = {

	"perf timechart [<options>] {record}",

	NULL

};



static const char *record_args[] = {

	"record",

	"-a",

	"-R",

	"-M",

	"-f",

	"-c", "1",

	"-e", "power:power_start",

	"-e", "power:power_end",

	"-e", "power:power_frequency",

	"-e", "sched:sched_wakeup",

	"-e", "sched:sched_switch",

};



static int __cmd_record(int argc, const char **argv)

{

	unsigned int rec_argc, i, j;

	const char **rec_argv;



	rec_argc = ARRAY_SIZE(record_args) + argc - 1;

	rec_argv = calloc(rec_argc + 1, sizeof(char *));



	for (i = 0; i < ARRAY_SIZE(record_args); i++)

		rec_argv[i] = strdup(record_args[i]);



	for (j = 1; j < (unsigned int)argc; j++, i++)

		rec_argv[i] = argv[j];



	return cmd_record(i, rec_argv, NULL);

}



static const struct option options[] = {

	OPT_STRING('i', "input", &input_name, "file",

		    "input file name"),
@@ -1106,13 +1137,13 @@ int cmd_timechart(int argc, const char **argv, const char *prefix __used) 


	page_size = getpagesize();



	argc = parse_options(argc, argv, options, report_usage, 0);

	argc = parse_options(argc, argv, options, timechart_usage,

			PARSE_OPT_STOP_AT_NON_OPTION);



	/*

	 * Any (unrecognized) arguments left?

	 */

	if (argc)

		usage_with_options(report_usage, options);

	if (argc && !strncmp(argv[0], "rec", 3))

		return __cmd_record(argc, argv);

	else if (argc)

		usage_with_options(timechart_usage, options);



	setup_pager();