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| author | Nayan Deshmukh <nayan26deshmukh@gmail.com> | 2018-08-01 13:50:00 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-08-27 11:09:45 -0500 |
| commit | 249a07c05a8da9637c2eb3205f1fc739c216f707 (patch) | |
| tree | 68481209b3e48bfda9f0c014fb7e0761c9d56740 | |
| parent | ac0a6cf1c6ef91e4af2a9d56eeaee8fca61d6ad7 (diff) | |
| download | lwn-249a07c05a8da9637c2eb3205f1fc739c216f707.tar.gz lwn-249a07c05a8da9637c2eb3205f1fc739c216f707.zip | |
drm/scheduler: add counter for total jobs in scheduler
To keep track of the scheduler load.
Signed-off-by: Nayan Deshmukh <nayan26deshmukh@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/scheduler/gpu_scheduler.c | 3 | ||||
| -rw-r--r-- | include/drm/gpu_scheduler.h | 2 |
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/scheduler/gpu_scheduler.c b/drivers/gpu/drm/scheduler/gpu_scheduler.c index afffb9a60cdb..3b9969190927 100644 --- a/drivers/gpu/drm/scheduler/gpu_scheduler.c +++ b/drivers/gpu/drm/scheduler/gpu_scheduler.c @@ -530,6 +530,7 @@ void drm_sched_entity_push_job(struct drm_sched_job *sched_job, trace_drm_sched_job(sched_job, entity); + atomic_inc(&entity->rq->sched->num_jobs); WRITE_ONCE(entity->last_user, current->group_leader); first = spsc_queue_push(&entity->job_queue, &sched_job->queue_node); @@ -821,6 +822,7 @@ static void drm_sched_process_job(struct dma_fence *f, struct dma_fence_cb *cb) dma_fence_get(&s_fence->finished); atomic_dec(&sched->hw_rq_count); + atomic_dec(&sched->num_jobs); drm_sched_fence_finished(s_fence); trace_drm_sched_process_job(s_fence); @@ -938,6 +940,7 @@ int drm_sched_init(struct drm_gpu_scheduler *sched, INIT_LIST_HEAD(&sched->ring_mirror_list); spin_lock_init(&sched->job_list_lock); atomic_set(&sched->hw_rq_count, 0); + atomic_set(&sched->num_jobs, 0); atomic64_set(&sched->job_id_count, 0); /* Each scheduler will run on a seperate kernel thread */ diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h index 2419887e25eb..0c4cfe689d4c 100644 --- a/include/drm/gpu_scheduler.h +++ b/include/drm/gpu_scheduler.h @@ -262,6 +262,7 @@ struct drm_sched_backend_ops { * @job_list_lock: lock to protect the ring_mirror_list. * @hang_limit: once the hangs by a job crosses this limit then it is marked * guilty and it will be considered for scheduling further. + * @num_jobs: the number of jobs in queue in the scheduler * * One scheduler is implemented for each hardware ring. */ @@ -279,6 +280,7 @@ struct drm_gpu_scheduler { struct list_head ring_mirror_list; spinlock_t job_list_lock; int hang_limit; + atomic_t num_jobs; }; int drm_sched_init(struct drm_gpu_scheduler *sched, |