From 84123f1536f855b4b5c2a6452a7ed7f352e64886 Mon Sep 17 00:00:00 2001
From: Robert Beckett <bob.beckett@collabora.com>
Date: Fri, 13 Mar 2020 10:56:39 +0100
Subject: drm/sched: add run job trace
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Git-commit: c2c91828fbdbc5a31616f956834c85ab011392e1
Patch-mainline: v5.7-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322

Add a new trace event to show when jobs are run on the HW.

Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Robert Beckett <bob.beckett@collabora.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 .../gpu/drm/scheduler/gpu_scheduler_trace.h   | 27 +++++++++++++++++++
 drivers/gpu/drm/scheduler/sched_main.c        |  1 +
 2 files changed, 28 insertions(+)

diff --git a/drivers/gpu/drm/scheduler/gpu_scheduler_trace.h b/drivers/gpu/drm/scheduler/gpu_scheduler_trace.h
index d79086498aff..877ce9b127f1 100644
--- a/drivers/gpu/drm/scheduler/gpu_scheduler_trace.h
+++ b/drivers/gpu/drm/scheduler/gpu_scheduler_trace.h
@@ -59,6 +59,33 @@ TRACE_EVENT(drm_sched_job,
 		      __entry->job_count, __entry->hw_job_count)
 );
 
+TRACE_EVENT(drm_run_job,
+	    TP_PROTO(struct drm_sched_job *sched_job, struct drm_sched_entity *entity),
+	    TP_ARGS(sched_job, entity),
+	    TP_STRUCT__entry(
+			     __field(struct drm_sched_entity *, entity)
+			     __field(struct dma_fence *, fence)
+			     __field(const char *, name)
+			     __field(uint64_t, id)
+			     __field(u32, job_count)
+			     __field(int, hw_job_count)
+			     ),
+
+	    TP_fast_assign(
+			   __entry->entity = entity;
+			   __entry->id = sched_job->id;
+			   __entry->fence = &sched_job->s_fence->finished;
+			   __entry->name = sched_job->sched->name;
+			   __entry->job_count = spsc_queue_count(&entity->job_queue);
+			   __entry->hw_job_count = atomic_read(
+				   &sched_job->sched->hw_rq_count);
+			   ),
+	    TP_printk("entity=%p, id=%llu, fence=%p, ring=%s, job count:%u, hw job count:%d",
+		      __entry->entity, __entry->id,
+		      __entry->fence, __entry->name,
+		      __entry->job_count, __entry->hw_job_count)
+);
+
 TRACE_EVENT(drm_sched_process_job,
 	    TP_PROTO(struct drm_sched_fence *fence),
 	    TP_ARGS(fence),
diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
index 60c4c6a1aac6..04b66b03c31a 100644
--- a/drivers/gpu/drm/scheduler/sched_main.c
+++ b/drivers/gpu/drm/scheduler/sched_main.c
@@ -775,6 +775,7 @@ static int drm_sched_main(void *param)
 		atomic_inc(&sched->hw_rq_count);
 		drm_sched_job_begin(sched_job);
 
+		trace_drm_run_job(sched_job, entity);
 		fence = sched->ops->run_job(sched_job);
 		drm_sched_fence_scheduled(s_fence);
 
-- 
2.28.0