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Diffstat (limited to 'tools/perf/util/cs-etm.c')
-rw-r--r--tools/perf/util/cs-etm.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c
index 110804936fc3..de488b43f440 100644
--- a/tools/perf/util/cs-etm.c
+++ b/tools/perf/util/cs-etm.c
@@ -422,11 +422,9 @@ static struct cs_etm_queue *cs_etm__alloc_queue(struct cs_etm_auxtrace *etm)
if (!etmq->packet)
goto out_free;
- if (etm->synth_opts.last_branch || etm->sample_branches) {
- etmq->prev_packet = zalloc(szp);
- if (!etmq->prev_packet)
- goto out_free;
- }
+ etmq->prev_packet = zalloc(szp);
+ if (!etmq->prev_packet)
+ goto out_free;
if (etm->synth_opts.last_branch) {
size_t sz = sizeof(struct branch_stack);
@@ -981,7 +979,6 @@ static int cs_etm__sample(struct cs_etm_queue *etmq)
* PREV_PACKET is a branch.
*/
if (etm->synth_opts.last_branch &&
- etmq->prev_packet &&
etmq->prev_packet->sample_type == CS_ETM_RANGE &&
etmq->prev_packet->last_instr_taken_branch)
cs_etm__update_last_branch_rb(etmq);
@@ -1014,7 +1011,7 @@ static int cs_etm__sample(struct cs_etm_queue *etmq)
etmq->period_instructions = instrs_over;
}
- if (etm->sample_branches && etmq->prev_packet) {
+ if (etm->sample_branches) {
bool generate_sample = false;
/* Generate sample for tracing on packet */
@@ -1071,9 +1068,6 @@ static int cs_etm__flush(struct cs_etm_queue *etmq)
struct cs_etm_auxtrace *etm = etmq->etm;
struct cs_etm_packet *tmp;
- if (!etmq->prev_packet)
- return 0;
-
/* Handle start tracing packet */
if (etmq->prev_packet->sample_type == CS_ETM_EMPTY)
goto swap_packet;