drm/radeon: add trace_radeon_vm_flush

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

2 files changed, 19 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_trace.h b/drivers/gpu/drm/radeon/radeon_trace.h
index f749f2c3bbdb..cd781f34bd8d 100644
--- a/drivers/gpu/drm/radeon/radeon_trace.h
+++ b/drivers/gpu/drm/radeon/radeon_trace.h
@@ -104,6 +104,24 @@ TRACE_EVENT(radeon_vm_set_page,
                       __entry->flags, __entry->count)
 );
 
+TRACE_EVENT(radeon_vm_flush,
+            TP_PROTO(uint64_t pd_addr, unsigned ring, unsigned id),
+            TP_ARGS(pd_addr, ring, id),
+            TP_STRUCT__entry(
+                             __field(u64, pd_addr)
+                             __field(u32, ring)
+                             __field(u32, id)
+                             ),
+
+            TP_fast_assign(
+                           __entry->pd_addr = pd_addr;
+                           __entry->ring = ring;
+                           __entry->id = id;
+                           ),
+            TP_printk("pd_addr=%010Lx, ring=%u, id=%u",
+                      __entry->pd_addr, __entry->ring, __entry->id)
+);
+
 DECLARE_EVENT_CLASS(radeon_fence_request,
 
             TP_PROTO(struct drm_device *dev, int ring, u32 seqno),
diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c
index f0a8cd7a83a6..2a2509e7ba87 100644
--- a/drivers/gpu/drm/radeon/radeon_vm.c
+++ b/drivers/gpu/drm/radeon/radeon_vm.c
@@ -240,6 +240,7 @@ void radeon_vm_flush(struct radeon_device *rdev,
         /* if we can't remember our last VM flush then flush now! */
         /* XXX figure out why we have to flush all the time */
         if (!vm->last_flush || true || pd_addr != vm->pd_gpu_addr) {
+                trace_radeon_vm_flush(pd_addr, ring, vm->id);
                 vm->pd_gpu_addr = pd_addr;
                 radeon_ring_vm_flush(rdev, ring, vm);
         }