mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-04 09:59:32 +00:00
perf coresight: Remove superfluous check before use
The cs_etm_evsel variable is guaranteed to be set at this point in cs_etm_recording_options(). Signed-off-by: Kim Phillips <kim.phillips@arm.com> Acked-by: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: linux-arm-kernel@lists.infradead.org Link: http://lkml.kernel.org/r/20170615125521.80cc128dc856bc1f2e61b730@arm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
parent
5c97cac63a
commit
0c788d4726
1 changed files with 12 additions and 13 deletions
|
@ -203,19 +203,18 @@ static int cs_etm_recording_options(struct auxtrace_record *itr,
|
|||
pr_debug2("%s snapshot size: %zu\n", CORESIGHT_ETM_PMU_NAME,
|
||||
opts->auxtrace_snapshot_size);
|
||||
|
||||
if (cs_etm_evsel) {
|
||||
/*
|
||||
* To obtain the auxtrace buffer file descriptor, the auxtrace
|
||||
* event must come first.
|
||||
*/
|
||||
perf_evlist__to_front(evlist, cs_etm_evsel);
|
||||
/*
|
||||
* In the case of per-cpu mmaps, we need the CPU on the
|
||||
* AUX event.
|
||||
*/
|
||||
if (!cpu_map__empty(cpus))
|
||||
perf_evsel__set_sample_bit(cs_etm_evsel, CPU);
|
||||
}
|
||||
/*
|
||||
* To obtain the auxtrace buffer file descriptor, the auxtrace
|
||||
* event must come first.
|
||||
*/
|
||||
perf_evlist__to_front(evlist, cs_etm_evsel);
|
||||
|
||||
/*
|
||||
* In the case of per-cpu mmaps, we need the CPU on the
|
||||
* AUX event.
|
||||
*/
|
||||
if (!cpu_map__empty(cpus))
|
||||
perf_evsel__set_sample_bit(cs_etm_evsel, CPU);
|
||||
|
||||
/* Add dummy event to keep tracking */
|
||||
if (opts->full_auxtrace) {
|
||||
|
|
Loading…
Reference in a new issue