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/*
* BSD Process Accounting for Linux - Definitions
*
* Author: Marco van Wieringen (mvw@planets.elm.net)
*
* This header file contains the definitions needed to implement
* BSD-style process accounting. The kernel accounting code and all
* user-level programs that try to do something useful with the
* process accounting log must include this file.
*
* Copyright (C) 1995 - 1997 Marco van Wieringen - ELM Consultancy B.V.
*
*/
#ifndef _LINUX_ACCT_H
#define _LINUX_ACCT_H
#include <linux/types.h>
#include <asm/param.h>
#include <asm/byteorder.h>
typedef __u16 comp_t;
typedef __u32 comp2_t;
/*
* accounting file record
*
* This structure contains all of the information written out to the
* process accounting file whenever a process exits.
*/
#define ACCT_COMM 16
struct acct
{
char ac_flag;
char ac_version;
__u16 ac_uid16;
__u16 ac_gid16;
__u16 ac_tty;
__u32 ac_btime;
comp_t ac_utime;
comp_t ac_stime;
comp_t ac_etime;
comp_t ac_mem;
comp_t ac_io;
comp_t ac_rw; /* Blocks Read or Written */
comp_t ac_minflt;
comp_t ac_majflt;
comp_t ac_swaps;
#if !defined(CONFIG_M68K) || !defined(__KERNEL__)
__u16 ac_ahz;
#endif
__u32 ac_exitcode;
char ac_comm[ACCT_COMM + 1];
__u8 ac_etime_hi;
__u16 ac_etime_lo;
__u32 ac_uid;
__u32 ac_gid;
};
struct acct_v3
{
char ac_flag;
char ac_version;
__u16 ac_tty;
__u32 ac_exitcode;
__u32 ac_uid;
__u32 ac_gid;
__u32 ac_pid;
__u32 ac_ppid;
__u32 ac_btime;
#ifdef __KERNEL__
__u32 ac_etime;
#else
float ac_etime;
#endif
comp_t ac_utime;
comp_t ac_stime;
comp_t ac_mem;
comp_t ac_io;
comp_t ac_rw; /* Blocks Read or Written */
comp_t ac_minflt;
comp_t ac_majflt;
comp_t ac_swaps;
char ac_comm[ACCT_COMM];
};
#define AFORK 0x01
#define ASU 0x02
#define ACOMPAT 0x04
#define ACORE 0x08
#define AXSIG 0x10
#ifdef __BIG_ENDIAN
#define ACCT_BYTEORDER 0x80
#else
#define ACCT_BYTEORDER 0x00
#endif
#ifdef __KERNEL__
#ifdef CONFIG_BSD_PROCESS_ACCT
struct vfsmount;
struct super_block;
struct pacct_struct;
struct pid_namespace;
extern int acct_parm[];
extern void acct_auto_close_mnt(struct vfsmount *m);
extern void acct_auto_close(struct super_block *sb);
extern void acct_collect(long exitcode, int group_dead);
extern void acct_process(void);
extern void acct_exit_ns(struct pid_namespace *);
#else
#define acct_auto_close_mnt(x) do { } while (0)
#define acct_auto_close(x) do { } while (0)
#define acct_collect(x,y) do { } while (0)
#define acct_process() do { } while (0)
#define acct_exit_ns(ns) do { } while (0)
#endif
#undef ACCT_VERSION
#undef AHZ
#ifdef CONFIG_BSD_PROCESS_ACCT_V3
#define ACCT_VERSION 3
#define AHZ 100
typedef struct acct_v3 acct_t;
#else
#ifdef CONFIG_M68K
#define ACCT_VERSION 1
#else
#define ACCT_VERSION 2
#endif
#define AHZ (USER_HZ)
typedef struct acct acct_t;
#endif
#else
#define ACCT_VERSION 2
#define AHZ (HZ)
#endif
#ifdef __KERNEL__
#include <linux/jiffies.h>
static inline u32 jiffies_to_AHZ(unsigned long x)
{
#if (TICK_NSEC % (NSEC_PER_SEC / AHZ)) == 0
# if HZ < AHZ
return x * (AHZ / HZ);
# else
return x / (HZ / AHZ);
# endif
#else
u64 tmp = (u64)x * TICK_NSEC;
do_div(tmp, (NSEC_PER_SEC / AHZ));
return (long)tmp;
#endif
}
static inline u64 nsec_to_AHZ(u64 x)
{
#if (NSEC_PER_SEC % AHZ) == 0
do_div(x, (NSEC_PER_SEC / AHZ));
#elif (AHZ % 512) == 0
x *= AHZ/512;
do_div(x, (NSEC_PER_SEC / 512));
#else
x *= 9;
do_div(x, (unsigned long)((9ull * NSEC_PER_SEC + (AHZ/2))
/ AHZ));
#endif
return x;
}
#endif
#endif
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