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Commit 249a07c0 authored by Nayan Deshmukh's avatar Nayan Deshmukh Committed by Alex Deucher
Browse files

drm/scheduler: add counter for total jobs in scheduler 



To keep track of the scheduler load.

Signed-off-by: default avatarNayan Deshmukh <nayan26deshmukh@gmail.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent ac0a6cf1

drivers/gpu/drm/scheduler/gpu_scheduler.c

+3 −0
Original line number Diff line number Diff line
@@ -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 */

include/drm/gpu_scheduler.h

+2 −0
Original line number Diff line number Diff line
@@ -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,