drivers/gpu/drm/i915/i915_trace.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/i915/i915_trace.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/i915/i915_trace.h
Extension
.h
Size
18067 bytes
Lines
727
Domain
Driver Families
Bucket
drivers/gpu
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#undef TRACE_SYSTEM
#define TRACE_SYSTEM i915

#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/drm_drv.h>

#include "gt/intel_engine.h"

#include "i915_drv.h"

/* 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(u64, size)
			     ),

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

	    TP_printk("obj=%p, size=0x%llx", __entry->obj, __entry->size)
);

TRACE_EVENT(i915_gem_shrink,
	    TP_PROTO(struct drm_i915_private *i915, unsigned long target, unsigned flags),
	    TP_ARGS(i915, target, flags),

	    TP_STRUCT__entry(
			     __field(int, dev)
			     __field(unsigned long, target)
			     __field(unsigned, flags)
			     ),

	    TP_fast_assign(
			   __entry->dev = i915->drm.primary->index;
			   __entry->target = target;
			   __entry->flags = flags;
			   ),

	    TP_printk("dev=%d, target=%lu, flags=%x",
		      __entry->dev, __entry->target, __entry->flags)
);

TRACE_EVENT(i915_vma_bind,
	    TP_PROTO(struct i915_vma *vma, unsigned flags),
	    TP_ARGS(vma, flags),

	    TP_STRUCT__entry(
			     __field(struct drm_i915_gem_object *, obj)
			     __field(struct i915_address_space *, vm)
			     __field(u64, offset)
			     __field(u64, size)
			     __field(unsigned, flags)
			     ),

	    TP_fast_assign(
			   __entry->obj = vma->obj;
			   __entry->vm = vma->vm;
			   __entry->offset = vma->node.start;
			   __entry->size = vma->node.size;
			   __entry->flags = flags;
			   ),

	    TP_printk("obj=%p, offset=0x%016llx size=0x%llx%s vm=%p",
		      __entry->obj, __entry->offset, __entry->size,
		      __entry->flags & PIN_MAPPABLE ? ", mappable" : "",
		      __entry->vm)
);

TRACE_EVENT(i915_vma_unbind,
	    TP_PROTO(struct i915_vma *vma),
	    TP_ARGS(vma),

	    TP_STRUCT__entry(
			     __field(struct drm_i915_gem_object *, obj)
			     __field(struct i915_address_space *, vm)
			     __field(u64, offset)
			     __field(u64, size)

Annotation

Implementation Notes