include/trace/events/rwmmio.h

Source file repositories/reference/linux-study-clean/include/trace/events/rwmmio.h

File Facts

System
Linux kernel
Corpus path
include/trace/events/rwmmio.h
Extension
.h
Size
2731 bytes
Lines
109
Domain
Repository Root And Misc
Bucket
include
Inferred role
Repository Root And Misc: implementation source
Status
source implementation candidate

Why This File Exists

Top-level or miscellaneous repository surface. Use this as map coverage unless a later manual pass promotes the file into a deeper subsystem dossier.

Dependency Surface

Detected Declarations

Annotated Snippet

#undef TRACE_SYSTEM
#define TRACE_SYSTEM rwmmio

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

#include <linux/tracepoint.h>

DECLARE_EVENT_CLASS(rwmmio_rw_template,

	TP_PROTO(unsigned long caller, unsigned long caller0, u64 val, u8 width,
		 volatile void __iomem *addr),

	TP_ARGS(caller, caller0, val, width, addr),

	TP_STRUCT__entry(
		__field(unsigned long, caller)
		__field(unsigned long, caller0)
		__field(unsigned long, addr)
		__field(u64, val)
		__field(u8, width)
	),

	TP_fast_assign(
		__entry->caller = caller;
		__entry->caller0 = caller0;
		__entry->val = val;
		__entry->addr = (unsigned long)addr;
		__entry->width = width;
	),

	TP_printk("%pS -> %pS width=%d val=%#llx addr=%#lx",
		(void *)__entry->caller0, (void *)__entry->caller, __entry->width,
		__entry->val, __entry->addr)
);

DEFINE_EVENT(rwmmio_rw_template, rwmmio_write,
	TP_PROTO(unsigned long caller, unsigned long caller0, u64 val, u8 width,
		 volatile void __iomem *addr),
	TP_ARGS(caller, caller0, val, width, addr)
);

DEFINE_EVENT(rwmmio_rw_template, rwmmio_post_write,
	TP_PROTO(unsigned long caller, unsigned long caller0, u64 val, u8 width,
		 volatile void __iomem *addr),
	TP_ARGS(caller, caller0, val, width, addr)
);

TRACE_EVENT(rwmmio_read,

	TP_PROTO(unsigned long caller, unsigned long caller0, u8 width,
		 const volatile void __iomem *addr),

	TP_ARGS(caller, caller0, width, addr),

	TP_STRUCT__entry(
		__field(unsigned long, caller)
		__field(unsigned long, caller0)
		__field(unsigned long, addr)
		__field(u8, width)
	),

	TP_fast_assign(
		__entry->caller = caller;
		__entry->caller0 = caller0;
		__entry->addr = (unsigned long)addr;
		__entry->width = width;
	),

	TP_printk("%pS -> %pS width=%d addr=%#lx",
		 (void *)__entry->caller0, (void *)__entry->caller, __entry->width, __entry->addr)
);

TRACE_EVENT(rwmmio_post_read,

	TP_PROTO(unsigned long caller, unsigned long caller0, u64 val, u8 width,
		 const volatile void __iomem *addr),

	TP_ARGS(caller, caller0, val, width, addr),

	TP_STRUCT__entry(
		__field(unsigned long, caller)
		__field(unsigned long, caller0)
		__field(unsigned long, addr)
		__field(u64, val)
		__field(u8, width)
	),

	TP_fast_assign(
		__entry->caller = caller;

Annotation

Implementation Notes