drivers/infiniband/hw/hfi1/trace_mmu.h

Source file repositories/reference/linux-study-clean/drivers/infiniband/hw/hfi1/trace_mmu.h

File Facts

System
Linux kernel
Corpus path
drivers/infiniband/hw/hfi1/trace_mmu.h
Extension
.h
Size
1925 bytes
Lines
73
Domain
Driver Families
Bucket
drivers/infiniband
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

#if !defined(__HFI1_TRACE_MMU_H) || defined(TRACE_HEADER_MULTI_READ)
#define __HFI1_TRACE_MMU_H

#include <linux/tracepoint.h>
#include <linux/trace_seq.h>

#include "hfi.h"

#undef TRACE_SYSTEM
#define TRACE_SYSTEM hfi1_mmu

DECLARE_EVENT_CLASS(hfi1_mmu_rb_template,
		    TP_PROTO(struct mmu_rb_node *node),
		    TP_ARGS(node),
		    TP_STRUCT__entry(__field(unsigned long, addr)
				     __field(unsigned long, len)
				     __field(unsigned int, refcount)
			    ),
		    TP_fast_assign(__entry->addr = node->addr;
				   __entry->len = node->len;
				   __entry->refcount = kref_read(&node->refcount);
			    ),
		    TP_printk("MMU node addr 0x%lx, len %lu, refcount %u",
			      __entry->addr,
			      __entry->len,
			      __entry->refcount
			    )
);

DEFINE_EVENT(hfi1_mmu_rb_template, hfi1_mmu_rb_insert,
	     TP_PROTO(struct mmu_rb_node *node),
	     TP_ARGS(node));

TRACE_EVENT(hfi1_mmu_rb_search,
	    TP_PROTO(unsigned long addr, unsigned long len),
	    TP_ARGS(addr, len),
	    TP_STRUCT__entry(__field(unsigned long, addr)
			     __field(unsigned long, len)
		    ),
	    TP_fast_assign(__entry->addr = addr;
			   __entry->len = len;
		    ),
	    TP_printk("MMU node addr 0x%lx, len %lu",
		      __entry->addr,
		      __entry->len
		    )
);

DEFINE_EVENT(hfi1_mmu_rb_template, hfi1_mmu_mem_invalidate,
	     TP_PROTO(struct mmu_rb_node *node),
	     TP_ARGS(node));

DEFINE_EVENT(hfi1_mmu_rb_template, hfi1_mmu_rb_evict,
	     TP_PROTO(struct mmu_rb_node *node),
	     TP_ARGS(node));

DEFINE_EVENT(hfi1_mmu_rb_template, hfi1_mmu_release_node,
	     TP_PROTO(struct mmu_rb_node *node),
	     TP_ARGS(node));

#endif /* __HFI1_TRACE_RC_H */

#undef TRACE_INCLUDE_PATH
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_PATH .
#define TRACE_INCLUDE_FILE trace_mmu
#include <trace/define_trace.h>

Annotation

Implementation Notes