[PATCH 3.8 133/152] drm/radeon: add semaphore trace point

From: Kamal Mostafa
Date: Fri Dec 06 2013 - 18:38:23 EST


3.8.13.14 -stable review patch. If anyone has any objections, please let me know.

------------------

From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@xxxxxxx>

commit bd80c8ba995c1dbdddee14acc55c541c499e0442 upstream.

Signed-off-by: Christian KÃnig <christian.koenig@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
---
drivers/gpu/drm/radeon/radeon_semaphore.c | 6 +++++-
drivers/gpu/drm/radeon/radeon_trace.h | 36 +++++++++++++++++++++++++++++++
2 files changed, 41 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon_semaphore.c b/drivers/gpu/drm/radeon/radeon_semaphore.c
index 8dcc20f..97d73bf 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 eafd816..a20bc7e 100644
--- a/drivers/gpu/drm/radeon/radeon_trace.h
+++ b/drivers/gpu/drm/radeon/radeon_trace.h
@@ -74,6 +74,42 @@ 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 */
--
1.8.3.2

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