opd_cookie.c File Reference

#include "opd_cookie.h"
#include "oprofiled.h"
#include "op_list.h"
#include "op_libiberty.h"
#include <sys/syscall.h>
#include <unistd.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>

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Data Structures
struct	cookie_entry
Defines
#define	HASH_SIZE   512
#define	HASH_BITS   (HASH_SIZE - 1)
Functions
static int	lookup_dcookie (cookie_t cookie, char *buf, size_t size)
static struct cookie_entry *	create_cookie (cookie_t cookie)
static unsigned long	hash_cookie (cookie_t cookie)
char const *	find_cookie (cookie_t cookie)
int	is_cookie_ignored (cookie_t cookie)
char const *	verbose_cookie (cookie_t cookie)
void	cookie_init (void)
Variables
static struct list_head	hashes [HASH_SIZE]

---

Detailed Description

cookie -> name cache

Remarks:

Copyright 2002, 2005 OProfile authors

Read the file COPYING

Author:

John Levon

Definition in file opd_cookie.c.

---

Define Documentation

#define HASH_BITS   (HASH_SIZE - 1)

Definition at line 99 of file opd_cookie.c.

#define HASH_SIZE   512

Definition at line 98 of file opd_cookie.c.

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Function Documentation

void cookie_init

(

void

)

Definition at line 204 of file opd_cookie.c.

References HASH_SIZE, hashes, and list_init().

Referenced by opd_26_init().

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static struct cookie_entry* create_cookie

(

cookie_t

cookie

)

[static, read]

Definition at line 103 of file opd_cookie.c.

References cookie_entry::ignored, is_image_ignored(), lookup_dcookie(), cookie_entry::name, and cookie_entry::value.

Referenced by find_cookie(), and is_cookie_ignored().

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char const* find_cookie

(

cookie_t

cookie

)

Return the name of the given dcookie. May return NULL on failure.

Definition at line 134 of file opd_cookie.c.

References create_cookie(), hash_cookie(), hashes, INVALID_COOKIE, cookie_entry::list, list_add(), list_entry, list_for_each, cookie_entry::name, NO_COOKIE, and cookie_entry::value.

Referenced by code_ctx_switch(), code_spu_ctx_switch(), get_dep_name(), mangle_filename(), and opd_open_sample_file().

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static unsigned long hash_cookie

(

cookie_t

cookie

)

[static]

Definition at line 128 of file opd_cookie.c.

References DCOOKIE_SHIFT, and HASH_SIZE.

Referenced by find_cookie(), is_cookie_ignored(), and verbose_cookie().

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int is_cookie_ignored

(

cookie_t

cookie

)

return true if this cookie should be ignored

Definition at line 157 of file opd_cookie.c.

References create_cookie(), hash_cookie(), hashes, cookie_entry::ignored, INVALID_COOKIE, cookie_entry::list, list_add(), list_entry, list_for_each, NO_COOKIE, and cookie_entry::value.

Referenced by is_sf_ignored().

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static int lookup_dcookie	(	cookie_t	cookie,
		char *	buf,
		size_t	size
	)			[inline, static]

Definition at line 83 of file opd_cookie.c.

Referenced by create_cookie().

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char const* verbose_cookie

(

cookie_t

cookie

)

give a textual description of the cookie

Definition at line 179 of file opd_cookie.c.

References hash_cookie(), hashes, INVALID_COOKIE, cookie_entry::list, list_entry, list_for_each, cookie_entry::name, NO_COOKIE, and cookie_entry::value.

Referenced by add_anon_mapping(), clear_anon_maps(), code_cookie_switch(), sfile_find(), and verbose_print_sample().

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Variable Documentation

struct list_head hashes[HASH_SIZE] [static]

Definition at line 101 of file opd_cookie.c.

Referenced by cookie_init(), find_cookie(), is_cookie_ignored(), and verbose_cookie().