drm/radeon: add initial tracepoint support.

this adds a bo create, and fence seq tracking tracepoints.

This is just an initial set to play around with, we should investigate
what others we need would be useful.

Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/radeon/Makefile b/drivers/gpu/drm/radeon/Makefile
index 6cae4f2..e97e6f8 100644 (file)
--- a/drivers/gpu/drm/radeon/Makefile
+++ b/drivers/gpu/drm/radeon/Makefile
@@ -65,10 +65,13 @@ radeon-y += radeon_device.o radeon_asic.o radeon_kms.o \
        rs400.o rs600.o rs690.o rv515.o r520.o r600.o rv770.o radeon_test.o \
        r200.o radeon_legacy_tv.o r600_cs.o r600_blit.o r600_blit_shaders.o \
        r600_blit_kms.o radeon_pm.o atombios_dp.o r600_audio.o r600_hdmi.o \
-       evergreen.o evergreen_cs.o evergreen_blit_shaders.o evergreen_blit_kms.o
+       evergreen.o evergreen_cs.o evergreen_blit_shaders.o evergreen_blit_kms.o \
+       radeon_trace_points.o
 
 radeon-$(CONFIG_COMPAT) += radeon_ioc32.o
 radeon-$(CONFIG_VGA_SWITCHEROO) += radeon_atpx_handler.o
 radeon-$(CONFIG_ACPI) += radeon_acpi.o
 
 obj-$(CONFIG_DRM_RADEON)+= radeon.o
+
+CFLAGS_radeon_trace_points.o := -I$(src)
\ No newline at end of file

diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c
index daacb28..171b0b2 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -38,6 +38,7 @@
 #include "drm.h"
 #include "radeon_reg.h"
 #include "radeon.h"
+#include "radeon_trace.h"
 
 int radeon_fence_emit(struct radeon_device *rdev, struct radeon_fence *fence)
 {
@@ -57,6 +58,7 @@ int radeon_fence_emit(struct radeon_device *rdev, struct radeon_fence *fence)
        } else
                radeon_fence_ring_emit(rdev, fence);
 
+       trace_radeon_fence_emit(rdev->ddev, fence->seq);
        fence->emited = true;
        list_del(&fence->list);
        list_add_tail(&fence->list, &rdev->fence_drv.emited);
@@ -213,6 +215,7 @@ int radeon_fence_wait(struct radeon_fence *fence, bool intr)
 retry:
        /* save current sequence used to check for GPU lockup */
        seq = rdev->fence_drv.last_seq;
+       trace_radeon_fence_wait_begin(rdev->ddev, seq);
        if (intr) {
                radeon_irq_kms_sw_irq_get(rdev);
                r = wait_event_interruptible_timeout(rdev->fence_drv.queue,
@@ -227,6 +230,7 @@ retry:
                         radeon_fence_signaled(fence), timeout);
                radeon_irq_kms_sw_irq_put(rdev);
        }
+       trace_radeon_fence_wait_end(rdev->ddev, seq);
        if (unlikely(!radeon_fence_signaled(fence))) {
                /* we were interrupted for some reason and fence isn't
                 * isn't signaled yet, resume wait

diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index a8594d2..8bdf0ba 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -34,6 +34,7 @@
 #include <drm/drmP.h>
 #include "radeon_drm.h"
 #include "radeon.h"
+#include "radeon_trace.h"
 
 
 int radeon_ttm_init(struct radeon_device *rdev);
@@ -137,6 +138,7 @@ retry:
                list_add_tail(&bo->list, &rdev->gem.objects);
                mutex_unlock(&bo->rdev->gem.mutex);
        }
+       trace_radeon_bo_create(bo);
        return 0;
 }
 

diff --git a/drivers/gpu/drm/radeon/radeon_trace.h b/drivers/gpu/drm/radeon/radeon_trace.h
new file mode 100644 (file)
index 0000000..eafd816
--- /dev/null
+++ b/drivers/gpu/drm/radeon/radeon_trace.h
@@ -0,0 +1,82 @@
+#if !defined(_RADEON_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _RADEON_TRACE_H_
+
+#include <linux/stringify.h>
+#include <linux/types.h>
+#include <linux/tracepoint.h>
+
+#include <drm/drmP.h>
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM radeon
+#define TRACE_SYSTEM_STRING __stringify(TRACE_SYSTEM)
+#define TRACE_INCLUDE_FILE radeon_trace
+
+TRACE_EVENT(radeon_bo_create,
+           TP_PROTO(struct radeon_bo *bo),
+           TP_ARGS(bo),
+           TP_STRUCT__entry(
+                            __field(struct radeon_bo *, bo)
+                            __field(u32, pages)
+                            ),
+
+           TP_fast_assign(
+                          __entry->bo = bo;
+                          __entry->pages = bo->tbo.num_pages;
+                          ),
+           TP_printk("bo=%p, pages=%u", __entry->bo, __entry->pages)
+);
+
+DECLARE_EVENT_CLASS(radeon_fence_request,
+
+           TP_PROTO(struct drm_device *dev, u32 seqno),
+
+           TP_ARGS(dev, seqno),
+
+           TP_STRUCT__entry(
+                            __field(u32, dev)
+                            __field(u32, seqno)
+                            ),
+
+           TP_fast_assign(
+                          __entry->dev = dev->primary->index;
+                          __entry->seqno = seqno;
+                          ),
+
+           TP_printk("dev=%u, seqno=%u", __entry->dev, __entry->seqno)
+);
+
+DEFINE_EVENT(radeon_fence_request, radeon_fence_emit,
+
+           TP_PROTO(struct drm_device *dev, u32 seqno),
+
+           TP_ARGS(dev, seqno)
+);
+
+DEFINE_EVENT(radeon_fence_request, radeon_fence_retire,
+
+           TP_PROTO(struct drm_device *dev, u32 seqno),
+
+           TP_ARGS(dev, seqno)
+);
+
+DEFINE_EVENT(radeon_fence_request, radeon_fence_wait_begin,
+
+           TP_PROTO(struct drm_device *dev, u32 seqno),
+
+           TP_ARGS(dev, seqno)
+);
+
+DEFINE_EVENT(radeon_fence_request, radeon_fence_wait_end,
+
+           TP_PROTO(struct drm_device *dev, u32 seqno),
+
+           TP_ARGS(dev, seqno)
+);
+
+#endif
+
+/* This part must be outside protection */
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#include <trace/define_trace.h>

diff --git a/drivers/gpu/drm/radeon/radeon_trace_points.c b/drivers/gpu/drm/radeon/radeon_trace_points.c
new file mode 100644 (file)
index 0000000..8175993
--- /dev/null
+++ b/drivers/gpu/drm/radeon/radeon_trace_points.c
@@ -0,0 +1,9 @@
+/* Copyright Red Hat Inc 2010.
+ * Author : Dave Airlie <airlied@redhat.com>
+ */
+#include <drm/drmP.h>
+#include "radeon_drm.h"
+#include "radeon.h"
+
+#define CREATE_TRACE_POINTS
+#include "radeon_trace.h"