[3.8.y.z extended stable] Patch "drm/radeon: add semaphore trace point" has been added to staging queue

[Kamal Mostafa]

This is a note to let you know that I have just added a patch titled

    drm/radeon: add semaphore trace point

to the linux-3.8.y-queue branch of the 3.8.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.8.y-queue

This patch is scheduled to be released in version 3.8.13.14.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.8.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

------

>From 88056cc7a119790ead7475157ea25b09a2b2b26c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig at amd.com>
Date: Tue, 12 Nov 2013 12:58:04 +0100
Subject: drm/radeon: add semaphore trace point
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

commit bd80c8ba995c1dbdddee14acc55c541c499e0442 upstream.

Signed-off-by: Christian König <christian.koenig at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
 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