1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
From 03206cc437521dbfc5870e168e170c5c68bd9725 Mon Sep 17 00:00:00 2001
From: Nayan Deshmukh <nayan26deshmukh@gmail.com>
Date: Wed, 1 Aug 2018 13:50:00 +0530
Subject: [PATCH 0694/2940] drm/scheduler: add counter for total jobs in
scheduler
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
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>
---
drivers/gpu/drm/scheduler/gpu_scheduler.c | 3 +++
include/drm/gpu_scheduler.h | 2 ++
2 files changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/scheduler/gpu_scheduler.c b/drivers/gpu/drm/scheduler/gpu_scheduler.c
index 051cd8650f06..a3e704486f7f 100644
--- a/drivers/gpu/drm/scheduler/gpu_scheduler.c
+++ b/drivers/gpu/drm/scheduler/gpu_scheduler.c
@@ -557,6 +557,7 @@ 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);
@@ -848,6 +849,7 @@ 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);
@@ -965,6 +967,7 @@ 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 14c5ccbe8bba..551f92ce2164 100644
--- a/include/drm/gpu_scheduler.h
+++ b/include/drm/gpu_scheduler.h
@@ -259,6 +259,7 @@ 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.
*/
@@ -276,6 +277,7 @@ 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,
--
2.17.1
|
