From 3c09eebd61eaacca866cd60b50416f18640bc731 Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Sat, 19 Sep 2009 13:34:42 +0200 Subject: 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 Cc: fweisbec@gmail.com Cc: peterz@infradead.org Cc: Paul Mackerras LKML-Reference: <20090919133442.0dc2c7f5@infradead.org> Signed-off-by: Ingo Molnar --- tools/perf/builtin-timechart.c | 47 +++++++++++++++++++++++++++++++++++------- 1 file changed, 39 insertions(+), 8 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c index 00fac1b362f..58d737ec8f5 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 [] ", +static const char * const timechart_usage[] = { + "perf timechart [] {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(); -- cgit v1.2.3