Commit 4f5b3713 authored by Mathieu Poirier's avatar Mathieu Poirier Committed by Arnaldo Carvalho de Melo
Browse files

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: default avatarMathieu Poirier <mathieu.poirier@linaro.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Suzuki K Poulouse <suzuki.poulose@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/20190212171618.25355-9-mathieu.poirier@linaro.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent e4aa592d

tools/perf/util/cs-etm.c

+16 −21
Original line number Diff line number Diff line
@@ -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->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)

CRA Git | Maintained and supported by SUSTech CRA and CCSE