intel_pt_synth_branch_sample() skips synthesizing if the branch does not match the branch filter. That logic was sitting in the middle of the function but is more efficiently placed at the start of the function, so move it.
Signed-off-by: Adrian Hunter <[email protected]> --- tools/perf/util/intel-pt.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c index c8bb5ca6a157..2c01e723826a 100644 --- a/tools/perf/util/intel-pt.c +++ b/tools/perf/util/intel-pt.c @@ -891,6 +891,9 @@ static int intel_pt_synth_branch_sample(struct intel_pt_queue *ptq) union perf_event *event = ptq->event_buf; struct perf_sample sample = { .ip = 0, }; + if (pt->branches_filter && !(pt->branches_filter & ptq->flags)) + return 0; + event->sample.header.type = PERF_RECORD_SAMPLE; event->sample.header.misc = PERF_RECORD_MISC_USER; event->sample.header.size = sizeof(struct perf_event_header); @@ -909,9 +912,6 @@ static int intel_pt_synth_branch_sample(struct intel_pt_queue *ptq) sample.flags = ptq->flags; sample.insn_len = ptq->insn_len; - if (pt->branches_filter && !(pt->branches_filter & ptq->flags)) - return 0; - if (pt->synth_opts.inject) { ret = intel_pt_inject_event(event, &sample, pt->branches_sample_type, -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
