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drm/scheduler: add counter for total jobs in scheduler

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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>
This commit is contained in:
Nayan Deshmukh 2018-08-01 13:50:00 +05:30 committed by Alex Deucher
parent ac0a6cf1c6
commit 249a07c05a
2 changed files with 5 additions and 0 deletions
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3
drivers/gpu/drm/scheduler/gpu_scheduler.c
View file

@ -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 */

2
include/drm/gpu_scheduler.h
View file

@ -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,