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Subject[tip:perfcounters/core] perf timechart: Add "perf timechart record"
Commit-ID:  3c09eebd61eaacca866cd60b50416f18640bc731
Gitweb: http://git.kernel.org/tip/3c09eebd61eaacca866cd60b50416f18640bc731
Author: Arjan van de Ven <arjan@infradead.org>
AuthorDate: Sat, 19 Sep 2009 13:34:42 +0200
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Sat, 19 Sep 2009 18:57:51 +0200

perf timechart: Add "perf timechart record"

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>


---
tools/perf/builtin-timechart.c | 47 +++++++++++++++++++++++++++++++++------
1 files changed, 39 insertions(+), 8 deletions(-)

diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index 00fac1b..58d737e 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -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();


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