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perf record: Honour --no-time command line option 

Time stamps are always implicitely enabled for record currently.  The
old --time/-T option is a nop.

Allow the user to disable timestamps by using --no-time, honouring the
existing option.

The defaults are unchanged.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1406789104-25863-10-git-send-email-zheng.z.yan@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Andi Kleen 2014-07-31 14:45:04 +08:00 committed by Arnaldo Carvalho de Melo
parent b048a24cc8
commit 8affc2b8c2
2 changed files with 7 additions and 3 deletions
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1
tools/perf/builtin-record.c
View File

@ -781,6 +781,7 @@ static const char * const record_usage[] = {
*/
static struct record record = {
.opts = {
.sample_time = true,
.mmap_pages = UINT_MAX,
.user_freq = UINT_MAX,
.user_interval = ULLONG_MAX,

9
tools/perf/util/evsel.c
View File

@ -633,9 +633,12 @@ void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts)
if (opts->period)
perf_evsel__set_sample_bit(evsel, PERIOD);
if (!perf_missing_features.sample_id_all &&
(opts->sample_time || !opts->no_inherit ||
target__has_cpu(&opts->target) || per_cpu))
/*
* When the user explicitely disabled time don't force it here.
*/
if (opts->sample_time &&
(!perf_missing_features.sample_id_all &&
(!opts->no_inherit || target__has_cpu(&opts->target) || per_cpu)))
perf_evsel__set_sample_bit(evsel, TIME);
if (opts->raw_samples && !evsel->no_aux_samples) {