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>

1 files changed, 39 insertions, 8 deletions

diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index 00fac1b362fd..58d737ec8f5e 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();