include/trace/events/mmap.h

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

File Facts

System
Linux kernel
Corpus path
include/trace/events/mmap.h
Extension
.h
Size
1707 bytes
Lines
70
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 mmap

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

#include <linux/tracepoint.h>

TRACE_EVENT(vm_unmapped_area,

	TP_PROTO(unsigned long addr, struct vm_unmapped_area_info *info),

	TP_ARGS(addr, info),

	TP_STRUCT__entry(
		__field(unsigned long,	addr)
		__field(unsigned long,	total_vm)
		__field(unsigned long,	flags)
		__field(unsigned long,	length)
		__field(unsigned long,	low_limit)
		__field(unsigned long,	high_limit)
		__field(unsigned long,	align_mask)
		__field(unsigned long,	align_offset)
	),

	TP_fast_assign(
		__entry->addr = addr;
		__entry->total_vm = current->mm->total_vm;
		__entry->flags = info->flags;
		__entry->length = info->length;
		__entry->low_limit = info->low_limit;
		__entry->high_limit = info->high_limit;
		__entry->align_mask = info->align_mask;
		__entry->align_offset = info->align_offset;
	),

	TP_printk("addr=0x%lx err=%ld total_vm=0x%lx flags=0x%lx len=0x%lx lo=0x%lx hi=0x%lx mask=0x%lx ofs=0x%lx",
		IS_ERR_VALUE(__entry->addr) ? 0 : __entry->addr,
		IS_ERR_VALUE(__entry->addr) ? __entry->addr : 0,
		__entry->total_vm, __entry->flags, __entry->length,
		__entry->low_limit, __entry->high_limit, __entry->align_mask,
		__entry->align_offset)
);

TRACE_EVENT(exit_mmap,
	TP_PROTO(struct mm_struct *mm),

	TP_ARGS(mm),

	TP_STRUCT__entry(
			__field(struct mm_struct *, mm)
			__field(struct maple_tree *, mt)
	),

	TP_fast_assign(
		       __entry->mm		= mm;
		       __entry->mt		= &mm->mm_mt;
	),

	TP_printk("mt_mod %p, DESTROY",
		  __entry->mt
	)
);

#endif

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

Annotation

Implementation Notes