Am 13.03.20 um 10:56 schrieb Lucas Stach:
From: Robert Beckett bob.beckett@collabora.com
Add a new trace event to show when jobs are run on the HW.
Signed-off-by: Robert Beckett bob.beckett@collabora.com Signed-off-by: Lucas Stach l.stach@pengutronix.de
There is also the scheduled fence we could used for this, but this trace point adds a few extra fields which might be useful.
Acked-by: Christian König christian.koenig@amd.com
.../gpu/drm/scheduler/gpu_scheduler_trace.h | 27 +++++++++++++++++++ drivers/gpu/drm/scheduler/sched_main.c | 1 + 2 files changed, 28 insertions(+)
diff --git a/drivers/gpu/drm/scheduler/gpu_scheduler_trace.h b/drivers/gpu/drm/scheduler/gpu_scheduler_trace.h index d79086498aff..877ce9b127f1 100644 --- a/drivers/gpu/drm/scheduler/gpu_scheduler_trace.h +++ b/drivers/gpu/drm/scheduler/gpu_scheduler_trace.h @@ -59,6 +59,33 @@ TRACE_EVENT(drm_sched_job, __entry->job_count, __entry->hw_job_count) );
+TRACE_EVENT(drm_run_job,
TP_PROTO(struct drm_sched_job *sched_job, struct drm_sched_entity *entity),TP_ARGS(sched_job, entity),TP_STRUCT__entry(__field(struct drm_sched_entity *, entity)__field(struct dma_fence *, fence)__field(const char *, name)__field(uint64_t, id)__field(u32, job_count)__field(int, hw_job_count)),TP_fast_assign(__entry->entity = entity;__entry->id = sched_job->id;__entry->fence = &sched_job->s_fence->finished;__entry->name = sched_job->sched->name;__entry->job_count = spsc_queue_count(&entity->job_queue);__entry->hw_job_count = atomic_read(&sched_job->sched->hw_rq_count);),TP_printk("entity=%p, id=%llu, fence=%p, ring=%s, job count:%u, hw job count:%d",__entry->entity, __entry->id,__entry->fence, __entry->name,__entry->job_count, __entry->hw_job_count)+);
- TRACE_EVENT(drm_sched_process_job, TP_PROTO(struct drm_sched_fence *fence), TP_ARGS(fence),
diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c index 71ce6215956f..34231b7163cc 100644 --- a/drivers/gpu/drm/scheduler/sched_main.c +++ b/drivers/gpu/drm/scheduler/sched_main.c @@ -773,6 +773,7 @@ static int drm_sched_main(void *param) atomic_inc(&sched->hw_rq_count); drm_sched_job_begin(sched_job);
trace_drm_run_job(sched_job, entity);