From: Lucas Stach Date: Wed, 1 Feb 2023 15:26:07 +0000 (+0100) Subject: drm/scheduler: track GPU active time per entity X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=df622729ddbf6607c10670e52d2cb484b1abe7c7;p=linux.git drm/scheduler: track GPU active time per entity Track the accumulated time that jobs from this entity were active on the GPU. This allows drivers using the scheduler to trivially implement the DRM fdinfo when the hardware doesn't provide more specific information than signalling job completion anyways. [Bagas: Append missing colon to @elapsed_ns] Signed-off-by: Bagas Sanjaya Signed-off-by: Lucas Stach Reviewed-by: Andrey Grodzovsky --- diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c index 31f3a1267be44..cc5e77a30a662 100644 --- a/drivers/gpu/drm/scheduler/sched_main.c +++ b/drivers/gpu/drm/scheduler/sched_main.c @@ -895,6 +895,12 @@ drm_sched_get_cleanup_job(struct drm_gpu_scheduler *sched) spin_unlock(&sched->job_list_lock); + if (job) { + job->entity->elapsed_ns += ktime_to_ns( + ktime_sub(job->s_fence->finished.timestamp, + job->s_fence->scheduled.timestamp)); + } + return job; } diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h index ca857ec9e7eba..aa771e01f63fd 100644 --- a/include/drm/gpu_scheduler.h +++ b/include/drm/gpu_scheduler.h @@ -228,6 +228,13 @@ struct drm_sched_entity { */ struct rb_node rb_tree_node; + /** + * @elapsed_ns: + * + * Records the amount of time where jobs from this entity were active + * on the GPU. + */ + uint64_t elapsed_ns; }; /**