From 4f5b37139fb3178b3db4e876eec0f2e92c82ac45 Mon Sep 17 00:00:00 2001 From: Mathieu Poirier Date: Tue, 12 Feb 2019 10:16:13 -0700 Subject: [PATCH] perf cs-etm: Cleaning up function cs_etm__alloc_queue() Function cs_etm__alloc_queue() should only be concerned with the allocation of memory for the etmq and accompanying decoder. Everything else should be done in the calling function. Signed-off-by: Mathieu Poirier Cc: Jiri Olsa Cc: Leo Yan Cc: Peter Zijlstra Cc: Suzuki K Poulouse Cc: linux-arm-kernel@lists.infradead.org Link: http://lkml.kernel.org/r/20190212171618.25355-9-mathieu.poirier@linaro.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/cs-etm.c | 37 ++++++++++++++++--------------------- 1 file changed, 16 insertions(+), 21 deletions(-) diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c index 4cc9fce97a86..c9a5b4935209 100644 --- a/tools/perf/util/cs-etm.c +++ b/tools/perf/util/cs-etm.c @@ -405,8 +405,7 @@ static u32 cs_etm__mem_access(struct cs_etm_queue *etmq, u64 address, return len; } -static struct cs_etm_queue *cs_etm__alloc_queue(struct cs_etm_auxtrace *etm, - unsigned int queue_nr) +static struct cs_etm_queue *cs_etm__alloc_queue(struct cs_etm_auxtrace *etm) { struct cs_etm_decoder_params d_params; struct cs_etm_trace_params *t_params = NULL; @@ -444,12 +443,6 @@ static struct cs_etm_queue *cs_etm__alloc_queue(struct cs_etm_auxtrace *etm, if (!etmq->event_buf) goto out_free; - etmq->etm = etm; - etmq->queue_nr = queue_nr; - etmq->pid = -1; - etmq->tid = -1; - etmq->cpu = -1; - /* Use metadata to fill in trace parameters for trace decoder */ t_params = zalloc(sizeof(*t_params) * etm->num_cpu); @@ -479,10 +472,6 @@ static struct cs_etm_queue *cs_etm__alloc_queue(struct cs_etm_auxtrace *etm, goto out_free_decoder; zfree(&t_params); - - etmq->offset = 0; - etmq->period_instructions = 0; - return etmq; out_free_decoder: @@ -503,24 +492,30 @@ static int cs_etm__setup_queue(struct cs_etm_auxtrace *etm, struct auxtrace_queue *queue, unsigned int queue_nr) { + int ret = 0; struct cs_etm_queue *etmq = queue->priv; if (list_empty(&queue->head) || etmq) - return 0; + goto out; - etmq = cs_etm__alloc_queue(etm, queue_nr); + etmq = cs_etm__alloc_queue(etm); - if (!etmq) - return -ENOMEM; + if (!etmq) { + ret = -ENOMEM; + goto out; + } queue->priv = etmq; - - if (queue->cpu != -1) - etmq->cpu = queue->cpu; - + etmq->etm = etm; + etmq->queue_nr = queue_nr; + etmq->cpu = queue->cpu; etmq->tid = queue->tid; + etmq->pid = -1; + etmq->offset = 0; + etmq->period_instructions = 0; - return 0; +out: + return ret; } static int cs_etm__setup_queues(struct cs_etm_auxtrace *etm)