drm/amdgpu: add cleaner shader trace point

Note when the cleaner shader is executed.

Signed-off-by: Christian König <[email protected]>
Acked-by: Srinivasan Shanmugam <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

Author: ChristianKoenigAMD

drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h

@@ -474,6 +474,21 @@ TRACE_EVENT(amdgpu_isolation,
 		      __entry->next)
 );
 
+TRACE_EVENT(amdgpu_cleaner_shader,
+	    TP_PROTO(struct amdgpu_ring *ring, struct dma_fence *fence),
+	    TP_ARGS(ring, fence),
+	    TP_STRUCT__entry(
+			     __string(ring, ring->name)
+			     __field(u64, seqno)
+			     ),
+
+	    TP_fast_assign(
+			   __assign_str(ring);
+			   __entry->seqno = fence->seqno;
+			   ),
+	    TP_printk("ring=%s, seqno=%Lu", __get_str(ring), __entry->seqno)
+);
+
 TRACE_EVENT(amdgpu_bo_list_set,
 	    TP_PROTO(struct amdgpu_bo_list *list, struct amdgpu_bo *bo),
 	    TP_ARGS(list, bo),

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

@@ -853,6 +853,7 @@ int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job,
 	 * finish before we push them to the HW.
 	 */
 	if (cleaner_shader_needed) {
+		trace_amdgpu_cleaner_shader(ring, fence);
 		mutex_lock(&adev->enforce_isolation_mutex);
 		dma_fence_put(isolation->spearhead);
 		isolation->spearhead = dma_fence_get(fence);