drm/radeon: add semaphore trace point

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

2 files changed, 41 insertions, 1 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_semaphore.c b/drivers/gpu/drm/radeon/radeon_semaphore.c
index 8dcc20f53d73..97d73bfc8782 100644
--- a/drivers/gpu/drm/radeon/radeon_semaphore.c
+++ b/drivers/gpu/drm/radeon/radeon_semaphore.c
@@ -29,7 +29,7 @@
  */
 #include <drm/drmP.h>
 #include "radeon.h"
-
+#include "radeon_trace.h"
 
 int radeon_semaphore_create(struct radeon_device *rdev,
                             struct radeon_semaphore **semaphore)
@@ -56,6 +56,8 @@ int radeon_semaphore_create(struct radeon_device *rdev,
 void radeon_semaphore_emit_signal(struct radeon_device *rdev, int ring,
                                   struct radeon_semaphore *semaphore)
 {
+        trace_radeon_semaphore_signale(ring, semaphore);
+
         --semaphore->waiters;
         radeon_semaphore_ring_emit(rdev, ring, &rdev->ring[ring], semaphore, false);
 }
@@ -63,6 +65,8 @@ void radeon_semaphore_emit_signal(struct radeon_device *rdev, int ring,
 void radeon_semaphore_emit_wait(struct radeon_device *rdev, int ring,
                                 struct radeon_semaphore *semaphore)
 {
+        trace_radeon_semaphore_wait(ring, semaphore);
+
         ++semaphore->waiters;
         radeon_semaphore_ring_emit(rdev, ring, &rdev->ring[ring], semaphore, true);
 }
diff --git a/drivers/gpu/drm/radeon/radeon_trace.h b/drivers/gpu/drm/radeon/radeon_trace.h
index 811bca691b36..9f0e18172b6e 100644
--- a/drivers/gpu/drm/radeon/radeon_trace.h
+++ b/drivers/gpu/drm/radeon/radeon_trace.h
@@ -111,6 +111,42 @@ DEFINE_EVENT(radeon_fence_request, radeon_fence_wait_end,
             TP_ARGS(dev, seqno)
 );
 
+DECLARE_EVENT_CLASS(radeon_semaphore_request,
+
+            TP_PROTO(int ring, struct radeon_semaphore *sem),
+
+            TP_ARGS(ring, sem),
+
+            TP_STRUCT__entry(
+                             __field(int, ring)
+                             __field(signed, waiters)
+                             __field(uint64_t, gpu_addr)
+                             ),
+
+            TP_fast_assign(
+                           __entry->ring = ring;
+                           __entry->waiters = sem->waiters;
+                           __entry->gpu_addr = sem->gpu_addr;
+                           ),
+
+            TP_printk("ring=%u, waiters=%d, addr=%010Lx", __entry->ring,
+                      __entry->waiters, __entry->gpu_addr)
+);
+
+DEFINE_EVENT(radeon_semaphore_request, radeon_semaphore_signale,
+
+            TP_PROTO(int ring, struct radeon_semaphore *sem),
+
+            TP_ARGS(ring, sem)
+);
+
+DEFINE_EVENT(radeon_semaphore_request, radeon_semaphore_wait,
+
+            TP_PROTO(int ring, struct radeon_semaphore *sem),
+
+            TP_ARGS(ring, sem)
+);
+
 #endif
 
 /* This part must be outside protection */