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/*
Copyright (C) 1993, 1996, 1997, 2008, 2009, 2010 Free Software Foundation, Inc.
This file is part of the GNU Accounting Utilities
The GNU Accounting Utilities are free software; you can redistribute
them and/or modify them under the terms of the GNU General Public
License as published by the Free Software Foundation; either version
3, or (at your option) any later version.
The GNU Accounting Utilities are distributed in the hope that they will
be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with the GNU Accounting Utilities; see the file COPYING. If
not, write to the Free Software Foundation, 675 Mass Ave, Cambridge,
MA 02139, USA.
*/
#ifndef _LINUX_ACCT_H
#define _LINUX_ACCT_H
#include <linux/types.h>
/*
* comp_t is a 16-bit "floating" point number with a 3-bit base 8
* exponent and a 13-bit fraction.
* comp2_t is 24-bit with 5-bit base 2 exponent and 20 bit fraction
* (leading 1 not stored).
* See linux/kernel/acct.c for the specific encoding systems used.
*/
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; /* Flags */
char ac_version; /* Always set to ACCT_VERSION */
__u16 ac_tty; /* Control Terminal */
__u32 ac_exitcode; /* Exitcode */
__u32 ac_uid; /* Real User ID */
__u32 ac_gid; /* Real Group ID */
__u32 ac_pid; /* Process ID */
__u32 ac_ppid; /* Parent Process ID */
__u32 ac_btime; /* Process Creation Time */
float ac_etime; /* Elapsed Time */
comp_t ac_utime; /* User Time */
comp_t ac_stime; /* System Time */
comp_t ac_mem; /* Average Memory Usage */
comp_t ac_io; /* Chars Transferred */
comp_t ac_rw; /* Blocks Read or Written */
comp_t ac_minflt; /* Minor Pagefaults */
comp_t ac_majflt; /* Major Pagefaults */
comp_t ac_swaps; /* Number of Swaps */
char ac_comm[ACCT_COMM]; /* Command Name */
__u16 ac_ahz; /* AHZ */
__u16 ac_uid16; /* LSB of Real User ID */
__u16 ac_gid16; /* LSB of Real Group ID */
__u16 ac_etime_16; /* Elapsed Time (as comp_t) */
__u16 ac_etime_lo; /* Elapsed Time LSB */
__u8 ac_etime_hi; /* Elapsed Time MSB */
__u8 ac_pad; /* padding to 76 bytes */
};
struct acct_v0
{
char ac_flag; /* Flags */
__u16 ac_uid; /* Real User ID */
__u16 ac_gid; /* Real Group ID */
__u16 ac_tty; /* Control Terminal */
__u32 ac_btime; /* Process Creation Time */
comp_t ac_utime; /* User Time */
comp_t ac_stime; /* System Time */
comp_t ac_etime; /* Elapsed Time */
comp_t ac_mem; /* Average Memory Usage */
comp_t ac_io; /* Chars Transferred */
comp_t ac_rw; /* Blocks Read or Written */
comp_t ac_minflt; /* Minor Pagefaults */
comp_t ac_majflt; /* Major Pagefaults */
comp_t ac_swaps; /* Number of Swaps */
__u32 ac_exitcode; /* Exitcode */
char ac_comm[ACCT_COMM + 1]; /* Command Name */
char ac_pad[10]; /* Padding Bytes */
};
/*
* accounting flags
*/
/* bit set when the process ... */
#define AFORK 0x01 /* ... executed fork, but did not exec */
#define ASU 0x02 /* ... used super-user privileges */
#define ACOMPAT 0x04 /* ... used compatibility mode (VAX only not used) */
#define ACORE 0x08 /* ... dumped core */
#define AXSIG 0x10 /* ... was killed by a signal */
#define AHZ 100
#endif /* _LINUX_ACCT_H */
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