diff options
| author | Jiri Olsa <jolsa@kernel.org> | 2017-01-09 10:51:57 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-01-11 16:48:01 -0300 |
| commit | cb4e1ebb6a398ff5b0067034b0d16566af4d78e8 (patch) | |
| tree | 452068a9eccc6913ad57de03e963eb58ec3e24f7 /tools/perf/builtin-record.c | |
| parent | 1b43b70484a9617de5fe2c12e64bea006010ac1c (diff) | |
perf record: Change switch-output option to take optional argument
Next patches will add --switch-output option arguments, changing the
option to allow that and adding its default value to 'signal'.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Wang Nan <wangnan0@huawei.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1483955520-29063-4-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-record.c')
| -rw-r--r-- | tools/perf/builtin-record.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index f7e805b30527..2bf811acaf8d 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -48,6 +48,8 @@ struct switch_output { bool signal; + const char *str; + bool set; }; struct record { @@ -1356,6 +1358,22 @@ out_free: return ret; } +static int switch_output_setup(struct record *rec) +{ + struct switch_output *s = &rec->switch_output; + + if (!s->set) + return 0; + + if (!strcmp(s->str, "signal")) { + s->signal = true; + pr_debug("switch-output with SIGUSR2 signal\n"); + return 0; + } + + return -1; +} + static const char * const __record_usage[] = { "perf record [<options>] [<command>]", "perf record [<options>] -- <command> [<options>]", @@ -1523,8 +1541,9 @@ static struct option __record_options[] = { "Record build-id of all DSOs regardless of hits"), OPT_BOOLEAN(0, "timestamp-filename", &record.timestamp_filename, "append timestamp to output filename"), - OPT_BOOLEAN(0, "switch-output", &record.switch_output.signal, - "Switch output when receive SIGUSR2"), + OPT_STRING_OPTARG_SET(0, "switch-output", &record.switch_output.str, + &record.switch_output.set, "signal", + "Switch output when receive SIGUSR2", "signal"), OPT_BOOLEAN(0, "dry-run", &dry_run, "Parse options then exit"), OPT_END() @@ -1582,6 +1601,11 @@ int cmd_record(int argc, const char **argv, const char *prefix __maybe_unused) return -EINVAL; } + if (switch_output_setup(rec)) { + parse_options_usage(record_usage, record_options, "switch-output", 0); + return -EINVAL; + } + if (rec->switch_output.signal) rec->timestamp_filename = true; |