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perf timechart: Add "perf timechart record"

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

Signed-off-by: Arjan 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: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Arjan van de Ven 2009-09-19 13:34:42 +02:00 committed by Ingo Molnar
parent 10274989fd
commit 3c09eebd61
1 changed files with 39 additions and 8 deletions
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47
tools/perf/builtin-timechart.c
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@ -1086,11 +1086,42 @@ done:
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();