drivers/gpu/drm/i915/i915_trace.h - linux - Git at Google

 #if !defined(_I915_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
 #define _I915_TRACE_H_

 #include <linux/stringify.h>
 #include <linux/types.h>
 #include <linux/tracepoint.h>

 #include <drm/drmP.h>
 #include "i915_drv.h"
 #include "intel_ringbuffer.h"

 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM i915
 #define TRACE_SYSTEM_STRING __stringify(TRACE_SYSTEM)
 #define TRACE_INCLUDE_FILE i915_trace

 /* object tracking */

 TRACE_EVENT(i915_gem_object_create,
 	    TP_PROTO(struct drm_i915_gem_object *obj),
 	    TP_ARGS(obj),

 	    TP_STRUCT__entry(
 			     __field(struct drm_i915_gem_object *, obj)
 			     __field(u32, size)
 			     ),

 	    TP_fast_assign(
 			   __entry->obj = obj;
 			   __entry->size = obj->base.size;
 			   ),

 	    TP_printk("obj=%p, size=%u", __entry->obj, __entry->size)
 );

 TRACE_EVENT(i915_gem_object_bind,
 	    TP_PROTO(struct drm_i915_gem_object *obj, bool mappable),
 	    TP_ARGS(obj, mappable),

 	    TP_STRUCT__entry(
 			     __field(struct drm_i915_gem_object *, obj)
 			     __field(u32, offset)
 			     __field(u32, size)
 			     __field(bool, mappable)
 			     ),

 	    TP_fast_assign(
 			   __entry->obj = obj;
 			   __entry->offset = obj->gtt_space->start;
 			   __entry->size = obj->gtt_space->size;
 			   __entry->mappable = mappable;
 			   ),

 	    TP_printk("obj=%p, offset=%08x size=%x%s",
 		      __entry->obj, __entry->offset, __entry->size,
 		      __entry->mappable ? ", mappable" : "")
 );

 TRACE_EVENT(i915_gem_object_unbind,
 	    TP_PROTO(struct drm_i915_gem_object *obj),
 	    TP_ARGS(obj),

 	    TP_STRUCT__entry(
 			     __field(struct drm_i915_gem_object *, obj)
 			     __field(u32, offset)
 			     __field(u32, size)
 			     ),

 	    TP_fast_assign(
 			   __entry->obj = obj;
 			   __entry->offset = obj->gtt_space->start;
 			   __entry->size = obj->gtt_space->size;
 			   ),

 	    TP_printk("obj=%p, offset=%08x size=%x",
 		      __entry->obj, __entry->offset, __entry->size)
 );

 TRACE_EVENT(i915_gem_object_change_domain,
 	    TP_PROTO(struct drm_i915_gem_object *obj, u32 old_read, u32 old_write),
 	    TP_ARGS(obj, old_read, old_write),

 	    TP_STRUCT__entry(
 			     __field(struct drm_i915_gem_object *, obj)
 			     __field(u32, read_domains)
 			     __field(u32, write_domain)
 			     ),

 	    TP_fast_assign(
 			   __entry->obj = obj;
 			   __entry->read_domains = obj->base.read_domains | (old_read << 16);
 			   __entry->write_domain = obj->base.write_domain | (old_write << 16);
 			   ),

 	    TP_printk("obj=%p, read=%02x=>%02x, write=%02x=>%02x",
 		      __entry->obj,
 		      __entry->read_domains >> 16,
 		      __entry->read_domains & 0xffff,
 		      __entry->write_domain >> 16,
 		      __entry->write_domain & 0xffff)
 );

 TRACE_EVENT(i915_gem_object_pwrite,
 	    TP_PROTO(struct drm_i915_gem_object *obj, u32 offset, u32 len),
 	    TP_ARGS(obj, offset, len),

 	    TP_STRUCT__entry(
 			     __field(struct drm_i915_gem_object *, obj)
 			     __field(u32, offset)
 			     __field(u32, len)
 			     ),

 	    TP_fast_assign(
 			   __entry->obj = obj;
 			   __entry->offset = offset;
 			   __entry->len = len;
 			   ),

 	    TP_printk("obj=%p, offset=%u, len=%u",
 		      __entry->obj, __entry->offset, __entry->len)
 );

 TRACE_EVENT(i915_gem_object_pread,
 	    TP_PROTO(struct drm_i915_gem_object *obj, u32 offset, u32 len),
 	    TP_ARGS(obj, offset, len),

 	    TP_STRUCT__entry(
 			     __field(struct drm_i915_gem_object *, obj)
 			     __field(u32, offset)
 			     __field(u32, len)
 			     ),

 	    TP_fast_assign(
 			   __entry->obj = obj;
 			   __entry->offset = offset;
 			   __entry->len = len;
 			   ),

 	    TP_printk("obj=%p, offset=%u, len=%u",
 		      __entry->obj, __entry->offset, __entry->len)
 );

 TRACE_EVENT(i915_gem_object_fault,
 	    TP_PROTO(struct drm_i915_gem_object *obj, u32 index, bool gtt, bool write),
 	    TP_ARGS(obj, index, gtt, write),

 	    TP_STRUCT__entry(
 			     __field(struct drm_i915_gem_object *, obj)
 			     __field(u32, index)
 			     __field(bool, gtt)
 			     __field(bool, write)
 			     ),

 	    TP_fast_assign(
 			   __entry->obj = obj;
 			   __entry->index = index;
 			   __entry->gtt = gtt;
 			   __entry->write = write;
 			   ),

 	    TP_printk("obj=%p, %s index=%u %s",
 		      __entry->obj,
 		      __entry->gtt ? "GTT" : "CPU",
 		      __entry->index,
 		      __entry->write ? ", writable" : "")
 );

 DECLARE_EVENT_CLASS(i915_gem_object,
 	    TP_PROTO(struct drm_i915_gem_object *obj),
 	    TP_ARGS(obj),

 	    TP_STRUCT__entry(
 			     __field(struct drm_i915_gem_object *, obj)
 			     ),

 	    TP_fast_assign(
 			   __entry->obj = obj;
 			   ),

 	    TP_printk("obj=%p", __entry->obj)
 );

 DEFINE_EVENT(i915_gem_object, i915_gem_object_clflush,
 	     TP_PROTO(struct drm_i915_gem_object *obj),
 	     TP_ARGS(obj)
 );

 DEFINE_EVENT(i915_gem_object, i915_gem_object_destroy,
 	    TP_PROTO(struct drm_i915_gem_object *obj),
 	    TP_ARGS(obj)
 );

 TRACE_EVENT(i915_gem_evict,
 	    TP_PROTO(struct drm_device *dev, u32 size, u32 align, bool mappable),
 	    TP_ARGS(dev, size, align, mappable),

 	    TP_STRUCT__entry(
 			     __field(u32, dev)
 			     __field(u32, size)
 			     __field(u32, align)
 			     __field(bool, mappable)
 			    ),

 	    TP_fast_assign(
 			   __entry->dev = dev->primary->index;
 			   __entry->size = size;
 			   __entry->align = align;
 			   __entry->mappable = mappable;
 			  ),

 	    TP_printk("dev=%d, size=%d, align=%d %s",
 		      __entry->dev, __entry->size, __entry->align,
 		      __entry->mappable ? ", mappable" : "")
 );

 TRACE_EVENT(i915_gem_evict_everything,
 	    TP_PROTO(struct drm_device *dev, bool purgeable),
 	    TP_ARGS(dev, purgeable),

 	    TP_STRUCT__entry(
 			     __field(u32, dev)
 			     __field(bool, purgeable)
 			    ),

 	    TP_fast_assign(
 			   __entry->dev = dev->primary->index;
 			   __entry->purgeable = purgeable;
 			  ),

 	    TP_printk("dev=%d%s",
 		      __entry->dev,
 		      __entry->purgeable ? ", purgeable only" : "")
 );

 TRACE_EVENT(i915_gem_ring_dispatch,
 	    TP_PROTO(struct intel_ring_buffer *ring, u32 seqno),
 	    TP_ARGS(ring, seqno),

 	    TP_STRUCT__entry(
 			     __field(u32, dev)
 			     __field(u32, ring)
 			     __field(u32, seqno)
 			     ),

 	    TP_fast_assign(
 			   __entry->dev = ring->dev->primary->index;
 			   __entry->ring = ring->id;
 			   __entry->seqno = seqno;
 			   i915_trace_irq_get(ring, seqno);
 			   ),

 	    TP_printk("dev=%u, ring=%u, seqno=%u",
 		      __entry->dev, __entry->ring, __entry->seqno)
 );

 TRACE_EVENT(i915_gem_ring_flush,
 	    TP_PROTO(struct intel_ring_buffer *ring, u32 invalidate, u32 flush),
 	    TP_ARGS(ring, invalidate, flush),

 	    TP_STRUCT__entry(
 			     __field(u32, dev)
 			     __field(u32, ring)
 			     __field(u32, invalidate)
 			     __field(u32, flush)
 			     ),

 	    TP_fast_assign(
 			   __entry->dev = ring->dev->primary->index;
 			   __entry->ring = ring->id;
 			   __entry->invalidate = invalidate;
 			   __entry->flush = flush;
 			   ),

 	    TP_printk("dev=%u, ring=%x, invalidate=%04x, flush=%04x",
 		      __entry->dev, __entry->ring,
 		      __entry->invalidate, __entry->flush)
 );

 DECLARE_EVENT_CLASS(i915_gem_request,
 	    TP_PROTO(struct intel_ring_buffer *ring, u32 seqno),
 	    TP_ARGS(ring, seqno),

 	    TP_STRUCT__entry(
 			     __field(u32, dev)
 			     __field(u32, ring)
 			     __field(u32, seqno)
 			     ),

 	    TP_fast_assign(
 			   __entry->dev = ring->dev->primary->index;
 			   __entry->ring = ring->id;
 			   __entry->seqno = seqno;
 			   ),

 	    TP_printk("dev=%u, ring=%u, seqno=%u",
 		      __entry->dev, __entry->ring, __entry->seqno)
 );

 DEFINE_EVENT(i915_gem_request, i915_gem_request_add,
 	    TP_PROTO(struct intel_ring_buffer *ring, u32 seqno),
 	    TP_ARGS(ring, seqno)
 );

 DEFINE_EVENT(i915_gem_request, i915_gem_request_complete,
 	    TP_PROTO(struct intel_ring_buffer *ring, u32 seqno),
 	    TP_ARGS(ring, seqno)
 );

 DEFINE_EVENT(i915_gem_request, i915_gem_request_retire,
 	    TP_PROTO(struct intel_ring_buffer *ring, u32 seqno),
 	    TP_ARGS(ring, seqno)
 );

 TRACE_EVENT(i915_gem_request_wait_begin,
 	    TP_PROTO(struct intel_ring_buffer *ring, u32 seqno),
 	    TP_ARGS(ring, seqno),

 	    TP_STRUCT__entry(
 			     __field(u32, dev)
 			     __field(u32, ring)
 			     __field(u32, seqno)
 			     __field(bool, blocking)
 			     ),

 	    /* NB: the blocking information is racy since mutex_is_locked
 	     * doesn't check that the current thread holds the lock. The only
 	     * other option would be to pass the boolean information of whether
 	     * or not the class was blocking down through the stack which is
 	     * less desirable.
 	     */
 	    TP_fast_assign(
 			   __entry->dev = ring->dev->primary->index;
 			   __entry->ring = ring->id;
 			   __entry->seqno = seqno;
 			   __entry->blocking = mutex_is_locked(&ring->dev->struct_mutex);
 			   ),

 	    TP_printk("dev=%u, ring=%u, seqno=%u, blocking=%s",
 		      __entry->dev, __entry->ring, __entry->seqno,
 		      __entry->blocking ?  "yes (NB)" : "no")
 );

 DEFINE_EVENT(i915_gem_request, i915_gem_request_wait_end,
 	    TP_PROTO(struct intel_ring_buffer *ring, u32 seqno),
 	    TP_ARGS(ring, seqno)
 );

 DECLARE_EVENT_CLASS(i915_ring,
 	    TP_PROTO(struct intel_ring_buffer *ring),
 	    TP_ARGS(ring),

 	    TP_STRUCT__entry(
 			     __field(u32, dev)
 			     __field(u32, ring)
 			     ),

 	    TP_fast_assign(
 			   __entry->dev = ring->dev->primary->index;
 			   __entry->ring = ring->id;
 			   ),

 	    TP_printk("dev=%u, ring=%u", __entry->dev, __entry->ring)
 );

 DEFINE_EVENT(i915_ring, i915_ring_wait_begin,
 	    TP_PROTO(struct intel_ring_buffer *ring),
 	    TP_ARGS(ring)
 );

 DEFINE_EVENT(i915_ring, i915_ring_wait_end,
 	    TP_PROTO(struct intel_ring_buffer *ring),
 	    TP_ARGS(ring)
 );

 TRACE_EVENT(i915_flip_request,
 	    TP_PROTO(int plane, struct drm_i915_gem_object *obj),

 	    TP_ARGS(plane, obj),

 	    TP_STRUCT__entry(
 		    __field(int, plane)
 		    __field(struct drm_i915_gem_object *, obj)
 		    ),

 	    TP_fast_assign(
 		    __entry->plane = plane;
 		    __entry->obj = obj;
 		    ),

 	    TP_printk("plane=%d, obj=%p", __entry->plane, __entry->obj)
 );

 TRACE_EVENT(i915_flip_complete,
 	    TP_PROTO(int plane, struct drm_i915_gem_object *obj),

 	    TP_ARGS(plane, obj),

 	    TP_STRUCT__entry(
 		    __field(int, plane)
 		    __field(struct drm_i915_gem_object *, obj)
 		    ),

 	    TP_fast_assign(
 		    __entry->plane = plane;
 		    __entry->obj = obj;
 		    ),

 	    TP_printk("plane=%d, obj=%p", __entry->plane, __entry->obj)
 );

 TRACE_EVENT(i915_reg_rw,
 	TP_PROTO(bool write, u32 reg, u64 val, int len),

 	TP_ARGS(write, reg, val, len),

 	TP_STRUCT__entry(
 		__field(u64, val)
 		__field(u32, reg)
 		__field(u16, write)
 		__field(u16, len)
 		),

 	TP_fast_assign(
 		__entry->val = (u64)val;
 		__entry->reg = reg;
 		__entry->write = write;
 		__entry->len = len;
 		),

 	TP_printk("%s reg=0x%x, len=%d, val=(0x%x, 0x%x)",
 		__entry->write ? "write" : "read",
 		__entry->reg, __entry->len,
 		(u32)(__entry->val & 0xffffffff),
 		(u32)(__entry->val >> 32))
 );

 #endif /* _I915_TRACE_H_ */

 /* This part must be outside protection */
 #undef TRACE_INCLUDE_PATH
 #define TRACE_INCLUDE_PATH .
 #include <trace/define_trace.h>
	#if !defined(_I915_TRACE_H_) \|\| defined(TRACE_HEADER_MULTI_READ)
	#define _I915_TRACE_H_

	#include <linux/stringify.h>
	#include <linux/types.h>
	#include <linux/tracepoint.h>

	#include <drm/drmP.h>
	#include "i915_drv.h"
	#include "intel_ringbuffer.h"

	#undef TRACE_SYSTEM
	#define TRACE_SYSTEM i915
	#define TRACE_SYSTEM_STRING __stringify(TRACE_SYSTEM)
	#define TRACE_INCLUDE_FILE i915_trace

	/* object tracking */

	TRACE_EVENT(i915_gem_object_create,
	TP_PROTO(struct drm_i915_gem_object *obj),
	TP_ARGS(obj),

	TP_STRUCT__entry(
	__field(struct drm_i915_gem_object *, obj)
	__field(u32, size)
	),

	TP_fast_assign(
	__entry->obj = obj;
	__entry->size = obj->base.size;
	),

	TP_printk("obj=%p, size=%u", __entry->obj, __entry->size)
	);

	TRACE_EVENT(i915_gem_object_bind,
	TP_PROTO(struct drm_i915_gem_object *obj, bool mappable),
	TP_ARGS(obj, mappable),

	TP_STRUCT__entry(
	__field(struct drm_i915_gem_object *, obj)
	__field(u32, offset)
	__field(u32, size)
	__field(bool, mappable)
	),

	TP_fast_assign(
	__entry->obj = obj;
	__entry->offset = obj->gtt_space->start;
	__entry->size = obj->gtt_space->size;
	__entry->mappable = mappable;
	),

	TP_printk("obj=%p, offset=%08x size=%x%s",
	__entry->obj, __entry->offset, __entry->size,
	__entry->mappable ? ", mappable" : "")
	);

	TRACE_EVENT(i915_gem_object_unbind,
	TP_PROTO(struct drm_i915_gem_object *obj),
	TP_ARGS(obj),

	TP_STRUCT__entry(
	__field(struct drm_i915_gem_object *, obj)
	__field(u32, offset)
	__field(u32, size)
	),

	TP_fast_assign(
	__entry->obj = obj;
	__entry->offset = obj->gtt_space->start;
	__entry->size = obj->gtt_space->size;
	),

	TP_printk("obj=%p, offset=%08x size=%x",
	__entry->obj, __entry->offset, __entry->size)
	);

	TRACE_EVENT(i915_gem_object_change_domain,
	TP_PROTO(struct drm_i915_gem_object *obj, u32 old_read, u32 old_write),
	TP_ARGS(obj, old_read, old_write),

	TP_STRUCT__entry(
	__field(struct drm_i915_gem_object *, obj)
	__field(u32, read_domains)
	__field(u32, write_domain)
	),

	TP_fast_assign(
	__entry->obj = obj;
	__entry->read_domains = obj->base.read_domains \| (old_read << 16);
	__entry->write_domain = obj->base.write_domain \| (old_write << 16);
	),

	TP_printk("obj=%p, read=%02x=>%02x, write=%02x=>%02x",
	__entry->obj,
	__entry->read_domains >> 16,
	__entry->read_domains & 0xffff,
	__entry->write_domain >> 16,
	__entry->write_domain & 0xffff)
	);

	TRACE_EVENT(i915_gem_object_pwrite,
	TP_PROTO(struct drm_i915_gem_object *obj, u32 offset, u32 len),
	TP_ARGS(obj, offset, len),

	TP_STRUCT__entry(
	__field(struct drm_i915_gem_object *, obj)
	__field(u32, offset)
	__field(u32, len)
	),

	TP_fast_assign(
	__entry->obj = obj;
	__entry->offset = offset;
	__entry->len = len;
	),

	TP_printk("obj=%p, offset=%u, len=%u",
	__entry->obj, __entry->offset, __entry->len)
	);

	TRACE_EVENT(i915_gem_object_pread,
	TP_PROTO(struct drm_i915_gem_object *obj, u32 offset, u32 len),
	TP_ARGS(obj, offset, len),

	TP_STRUCT__entry(
	__field(struct drm_i915_gem_object *, obj)
	__field(u32, offset)
	__field(u32, len)
	),

	TP_fast_assign(
	__entry->obj = obj;
	__entry->offset = offset;
	__entry->len = len;
	),

	TP_printk("obj=%p, offset=%u, len=%u",
	__entry->obj, __entry->offset, __entry->len)
	);

	TRACE_EVENT(i915_gem_object_fault,
	TP_PROTO(struct drm_i915_gem_object *obj, u32 index, bool gtt, bool write),
	TP_ARGS(obj, index, gtt, write),

	TP_STRUCT__entry(
	__field(struct drm_i915_gem_object *, obj)
	__field(u32, index)
	__field(bool, gtt)
	__field(bool, write)
	),

	TP_fast_assign(
	__entry->obj = obj;
	__entry->index = index;
	__entry->gtt = gtt;
	__entry->write = write;
	),

	TP_printk("obj=%p, %s index=%u %s",
	__entry->obj,
	__entry->gtt ? "GTT" : "CPU",
	__entry->index,
	__entry->write ? ", writable" : "")
	);

	DECLARE_EVENT_CLASS(i915_gem_object,
	TP_PROTO(struct drm_i915_gem_object *obj),
	TP_ARGS(obj),

	TP_STRUCT__entry(
	__field(struct drm_i915_gem_object *, obj)
	),

	TP_fast_assign(
	__entry->obj = obj;
	),

	TP_printk("obj=%p", __entry->obj)
	);

	DEFINE_EVENT(i915_gem_object, i915_gem_object_clflush,
	TP_PROTO(struct drm_i915_gem_object *obj),
	TP_ARGS(obj)
	);

	DEFINE_EVENT(i915_gem_object, i915_gem_object_destroy,
	TP_PROTO(struct drm_i915_gem_object *obj),
	TP_ARGS(obj)
	);

	TRACE_EVENT(i915_gem_evict,
	TP_PROTO(struct drm_device *dev, u32 size, u32 align, bool mappable),
	TP_ARGS(dev, size, align, mappable),

	TP_STRUCT__entry(
	__field(u32, dev)
	__field(u32, size)
	__field(u32, align)
	__field(bool, mappable)
	),

	TP_fast_assign(
	__entry->dev = dev->primary->index;
	__entry->size = size;
	__entry->align = align;
	__entry->mappable = mappable;
	),

	TP_printk("dev=%d, size=%d, align=%d %s",
	__entry->dev, __entry->size, __entry->align,
	__entry->mappable ? ", mappable" : "")
	);

	TRACE_EVENT(i915_gem_evict_everything,
	TP_PROTO(struct drm_device *dev, bool purgeable),
	TP_ARGS(dev, purgeable),

	TP_STRUCT__entry(
	__field(u32, dev)
	__field(bool, purgeable)
	),

	TP_fast_assign(
	__entry->dev = dev->primary->index;
	__entry->purgeable = purgeable;
	),

	TP_printk("dev=%d%s",
	__entry->dev,
	__entry->purgeable ? ", purgeable only" : "")
	);

	TRACE_EVENT(i915_gem_ring_dispatch,
	TP_PROTO(struct intel_ring_buffer *ring, u32 seqno),
	TP_ARGS(ring, seqno),

	TP_STRUCT__entry(
	__field(u32, dev)
	__field(u32, ring)
	__field(u32, seqno)
	),

	TP_fast_assign(
	__entry->dev = ring->dev->primary->index;
	__entry->ring = ring->id;
	__entry->seqno = seqno;
	i915_trace_irq_get(ring, seqno);
	),

	TP_printk("dev=%u, ring=%u, seqno=%u",
	__entry->dev, __entry->ring, __entry->seqno)
	);

	TRACE_EVENT(i915_gem_ring_flush,
	TP_PROTO(struct intel_ring_buffer *ring, u32 invalidate, u32 flush),
	TP_ARGS(ring, invalidate, flush),

	TP_STRUCT__entry(
	__field(u32, dev)
	__field(u32, ring)
	__field(u32, invalidate)
	__field(u32, flush)
	),

	TP_fast_assign(
	__entry->dev = ring->dev->primary->index;
	__entry->ring = ring->id;
	__entry->invalidate = invalidate;
	__entry->flush = flush;
	),

	TP_printk("dev=%u, ring=%x, invalidate=%04x, flush=%04x",
	__entry->dev, __entry->ring,
	__entry->invalidate, __entry->flush)
	);

	DECLARE_EVENT_CLASS(i915_gem_request,
	TP_PROTO(struct intel_ring_buffer *ring, u32 seqno),
	TP_ARGS(ring, seqno),

	TP_STRUCT__entry(
	__field(u32, dev)
	__field(u32, ring)
	__field(u32, seqno)
	),

	TP_fast_assign(
	__entry->dev = ring->dev->primary->index;
	__entry->ring = ring->id;
	__entry->seqno = seqno;
	),

	TP_printk("dev=%u, ring=%u, seqno=%u",
	__entry->dev, __entry->ring, __entry->seqno)
	);

	DEFINE_EVENT(i915_gem_request, i915_gem_request_add,
	TP_PROTO(struct intel_ring_buffer *ring, u32 seqno),
	TP_ARGS(ring, seqno)
	);

	DEFINE_EVENT(i915_gem_request, i915_gem_request_complete,
	TP_PROTO(struct intel_ring_buffer *ring, u32 seqno),
	TP_ARGS(ring, seqno)
	);

	DEFINE_EVENT(i915_gem_request, i915_gem_request_retire,
	TP_PROTO(struct intel_ring_buffer *ring, u32 seqno),
	TP_ARGS(ring, seqno)
	);

	TRACE_EVENT(i915_gem_request_wait_begin,
	TP_PROTO(struct intel_ring_buffer *ring, u32 seqno),
	TP_ARGS(ring, seqno),

	TP_STRUCT__entry(
	__field(u32, dev)
	__field(u32, ring)
	__field(u32, seqno)
	__field(bool, blocking)
	),

	/* NB: the blocking information is racy since mutex_is_locked
	* doesn't check that the current thread holds the lock. The only
	* other option would be to pass the boolean information of whether
	* or not the class was blocking down through the stack which is
	* less desirable.
	*/
	TP_fast_assign(
	__entry->dev = ring->dev->primary->index;
	__entry->ring = ring->id;
	__entry->seqno = seqno;
	__entry->blocking = mutex_is_locked(&ring->dev->struct_mutex);
	),

	TP_printk("dev=%u, ring=%u, seqno=%u, blocking=%s",
	__entry->dev, __entry->ring, __entry->seqno,
	__entry->blocking ? "yes (NB)" : "no")
	);

	DEFINE_EVENT(i915_gem_request, i915_gem_request_wait_end,
	TP_PROTO(struct intel_ring_buffer *ring, u32 seqno),
	TP_ARGS(ring, seqno)
	);

	DECLARE_EVENT_CLASS(i915_ring,
	TP_PROTO(struct intel_ring_buffer *ring),
	TP_ARGS(ring),

	TP_STRUCT__entry(
	__field(u32, dev)
	__field(u32, ring)
	),

	TP_fast_assign(
	__entry->dev = ring->dev->primary->index;
	__entry->ring = ring->id;
	),

	TP_printk("dev=%u, ring=%u", __entry->dev, __entry->ring)
	);

	DEFINE_EVENT(i915_ring, i915_ring_wait_begin,
	TP_PROTO(struct intel_ring_buffer *ring),
	TP_ARGS(ring)
	);

	DEFINE_EVENT(i915_ring, i915_ring_wait_end,
	TP_PROTO(struct intel_ring_buffer *ring),
	TP_ARGS(ring)
	);

	TRACE_EVENT(i915_flip_request,
	TP_PROTO(int plane, struct drm_i915_gem_object *obj),

	TP_ARGS(plane, obj),

	TP_STRUCT__entry(
	__field(int, plane)
	__field(struct drm_i915_gem_object *, obj)
	),

	TP_fast_assign(
	__entry->plane = plane;
	__entry->obj = obj;
	),

	TP_printk("plane=%d, obj=%p", __entry->plane, __entry->obj)
	);

	TRACE_EVENT(i915_flip_complete,
	TP_PROTO(int plane, struct drm_i915_gem_object *obj),

	TP_ARGS(plane, obj),

	TP_STRUCT__entry(
	__field(int, plane)
	__field(struct drm_i915_gem_object *, obj)
	),

	TP_fast_assign(
	__entry->plane = plane;
	__entry->obj = obj;
	),

	TP_printk("plane=%d, obj=%p", __entry->plane, __entry->obj)
	);

	TRACE_EVENT(i915_reg_rw,
	TP_PROTO(bool write, u32 reg, u64 val, int len),

	TP_ARGS(write, reg, val, len),

	TP_STRUCT__entry(
	__field(u64, val)
	__field(u32, reg)
	__field(u16, write)
	__field(u16, len)
	),

	TP_fast_assign(
	__entry->val = (u64)val;
	__entry->reg = reg;
	__entry->write = write;
	__entry->len = len;
	),

	TP_printk("%s reg=0x%x, len=%d, val=(0x%x, 0x%x)",
	__entry->write ? "write" : "read",
	__entry->reg, __entry->len,
	(u32)(__entry->val & 0xffffffff),
	(u32)(__entry->val >> 32))
	);

	#endif /* _I915_TRACE_H_ */

	/* This part must be outside protection */
	#undef TRACE_INCLUDE_PATH
	#define TRACE_INCLUDE_PATH .
	#include <trace/define_trace.h>