op_interface.h File Reference

Module / user space interface for 2.4. More...

#include "op_config.h"
#include "op_types.h"

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Classes
struct	op_sample
	Data type to transfer samples counts from the module to the daemon. More...
struct	op_buffer_head
	The head structure of a kernel sample buffer. More...
struct	op_note
	Data type used by the module to notify daemon of fork/exit/mapping etc. More...
struct	op_hash_index
	A path component. More...
Defines
#define	OP_HASH_MAP_SIZE   (OP_HASH_MAP_NR * sizeof(struct op_hash_index) + POOL_SIZE)
	size of hash map in bytes
#define	OP_FORK   1
	fork(),vfork(),clone()
#define	OP_MAP   2
	mapping
#define	OP_EXEC   4
	execve()
#define	OP_DROP_MODULES   8
	init_module()
#define	OP_EXIT   16
	exit()
Enumerations
enum	oprof_state { STOPPED = 0, STOPPING = 1, RUNNING = 2 }
	the current kernel-side profiler state More...
Variables
struct op_buffer_head	__packed__
	The head structure of a kernel sample buffer.

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Detailed Description

Module / user space interface for 2.4.

Remarks:

Copyright 2002 OProfile authors

Read the file COPYING

Author:

John Levon

Philippe Elie

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Define Documentation

#define OP_DROP_MODULES   8

init_module()

#define OP_EXEC   4

execve()

#define OP_EXIT   16

exit()

#define OP_FORK   1

fork(),vfork(),clone()

#define OP_HASH_MAP_SIZE   (OP_HASH_MAP_NR * sizeof(struct op_hash_index) + POOL_SIZE)

size of hash map in bytes

Referenced by opd_init_hash_map().

#define OP_MAP   2

mapping

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Enumeration Type Documentation

enum oprof_state

the current kernel-side profiler state

Enumerator:

STOPPED
STOPPING
RUNNING

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Variable Documentation

struct op_hash_index __packed__

The head structure of a kernel sample buffer.

A path component.

Directory name are stored as a stack of path components. Note than the name index acts also as an unique identifier