1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * BSD Process Accounting for Linux - Definitions 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Author: Marco van Wieringen (mvw@planets.elm.net) 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * This header file contains the definitions needed to implement 8*4882a593Smuzhiyun * BSD-style process accounting. The kernel accounting code and all 9*4882a593Smuzhiyun * user-level programs that try to do something useful with the 10*4882a593Smuzhiyun * process accounting log must include this file. 11*4882a593Smuzhiyun * 12*4882a593Smuzhiyun * Copyright (C) 1995 - 1997 Marco van Wieringen - ELM Consultancy B.V. 13*4882a593Smuzhiyun * 14*4882a593Smuzhiyun */ 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun #ifndef _UAPI_LINUX_ACCT_H 17*4882a593Smuzhiyun #define _UAPI_LINUX_ACCT_H 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun #include <linux/types.h> 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun #include <asm/param.h> 22*4882a593Smuzhiyun #include <asm/byteorder.h> 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun /* 25*4882a593Smuzhiyun * comp_t is a 16-bit "floating" point number with a 3-bit base 8 26*4882a593Smuzhiyun * exponent and a 13-bit fraction. 27*4882a593Smuzhiyun * comp2_t is 24-bit with 5-bit base 2 exponent and 20 bit fraction 28*4882a593Smuzhiyun * (leading 1 not stored). 29*4882a593Smuzhiyun * See linux/kernel/acct.c for the specific encoding systems used. 30*4882a593Smuzhiyun */ 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun typedef __u16 comp_t; 33*4882a593Smuzhiyun typedef __u32 comp2_t; 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun /* 36*4882a593Smuzhiyun * accounting file record 37*4882a593Smuzhiyun * 38*4882a593Smuzhiyun * This structure contains all of the information written out to the 39*4882a593Smuzhiyun * process accounting file whenever a process exits. 40*4882a593Smuzhiyun */ 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun #define ACCT_COMM 16 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun struct acct 45*4882a593Smuzhiyun { 46*4882a593Smuzhiyun char ac_flag; /* Flags */ 47*4882a593Smuzhiyun char ac_version; /* Always set to ACCT_VERSION */ 48*4882a593Smuzhiyun /* for binary compatibility back until 2.0 */ 49*4882a593Smuzhiyun __u16 ac_uid16; /* LSB of Real User ID */ 50*4882a593Smuzhiyun __u16 ac_gid16; /* LSB of Real Group ID */ 51*4882a593Smuzhiyun __u16 ac_tty; /* Control Terminal */ 52*4882a593Smuzhiyun /* __u32 range means times from 1970 to 2106 */ 53*4882a593Smuzhiyun __u32 ac_btime; /* Process Creation Time */ 54*4882a593Smuzhiyun comp_t ac_utime; /* User Time */ 55*4882a593Smuzhiyun comp_t ac_stime; /* System Time */ 56*4882a593Smuzhiyun comp_t ac_etime; /* Elapsed Time */ 57*4882a593Smuzhiyun comp_t ac_mem; /* Average Memory Usage */ 58*4882a593Smuzhiyun comp_t ac_io; /* Chars Transferred */ 59*4882a593Smuzhiyun comp_t ac_rw; /* Blocks Read or Written */ 60*4882a593Smuzhiyun comp_t ac_minflt; /* Minor Pagefaults */ 61*4882a593Smuzhiyun comp_t ac_majflt; /* Major Pagefaults */ 62*4882a593Smuzhiyun comp_t ac_swaps; /* Number of Swaps */ 63*4882a593Smuzhiyun /* m68k had no padding here. */ 64*4882a593Smuzhiyun #if !defined(CONFIG_M68K) || !defined(__KERNEL__) 65*4882a593Smuzhiyun __u16 ac_ahz; /* AHZ */ 66*4882a593Smuzhiyun #endif 67*4882a593Smuzhiyun __u32 ac_exitcode; /* Exitcode */ 68*4882a593Smuzhiyun char ac_comm[ACCT_COMM + 1]; /* Command Name */ 69*4882a593Smuzhiyun __u8 ac_etime_hi; /* Elapsed Time MSB */ 70*4882a593Smuzhiyun __u16 ac_etime_lo; /* Elapsed Time LSB */ 71*4882a593Smuzhiyun __u32 ac_uid; /* Real User ID */ 72*4882a593Smuzhiyun __u32 ac_gid; /* Real Group ID */ 73*4882a593Smuzhiyun }; 74*4882a593Smuzhiyun 75*4882a593Smuzhiyun struct acct_v3 76*4882a593Smuzhiyun { 77*4882a593Smuzhiyun char ac_flag; /* Flags */ 78*4882a593Smuzhiyun char ac_version; /* Always set to ACCT_VERSION */ 79*4882a593Smuzhiyun __u16 ac_tty; /* Control Terminal */ 80*4882a593Smuzhiyun __u32 ac_exitcode; /* Exitcode */ 81*4882a593Smuzhiyun __u32 ac_uid; /* Real User ID */ 82*4882a593Smuzhiyun __u32 ac_gid; /* Real Group ID */ 83*4882a593Smuzhiyun __u32 ac_pid; /* Process ID */ 84*4882a593Smuzhiyun __u32 ac_ppid; /* Parent Process ID */ 85*4882a593Smuzhiyun /* __u32 range means times from 1970 to 2106 */ 86*4882a593Smuzhiyun __u32 ac_btime; /* Process Creation Time */ 87*4882a593Smuzhiyun #ifdef __KERNEL__ 88*4882a593Smuzhiyun __u32 ac_etime; /* Elapsed Time */ 89*4882a593Smuzhiyun #else 90*4882a593Smuzhiyun float ac_etime; /* Elapsed Time */ 91*4882a593Smuzhiyun #endif 92*4882a593Smuzhiyun comp_t ac_utime; /* User Time */ 93*4882a593Smuzhiyun comp_t ac_stime; /* System Time */ 94*4882a593Smuzhiyun comp_t ac_mem; /* Average Memory Usage */ 95*4882a593Smuzhiyun comp_t ac_io; /* Chars Transferred */ 96*4882a593Smuzhiyun comp_t ac_rw; /* Blocks Read or Written */ 97*4882a593Smuzhiyun comp_t ac_minflt; /* Minor Pagefaults */ 98*4882a593Smuzhiyun comp_t ac_majflt; /* Major Pagefaults */ 99*4882a593Smuzhiyun comp_t ac_swaps; /* Number of Swaps */ 100*4882a593Smuzhiyun char ac_comm[ACCT_COMM]; /* Command Name */ 101*4882a593Smuzhiyun }; 102*4882a593Smuzhiyun 103*4882a593Smuzhiyun /* 104*4882a593Smuzhiyun * accounting flags 105*4882a593Smuzhiyun */ 106*4882a593Smuzhiyun /* bit set when the process ... */ 107*4882a593Smuzhiyun #define AFORK 0x01 /* ... executed fork, but did not exec */ 108*4882a593Smuzhiyun #define ASU 0x02 /* ... used super-user privileges */ 109*4882a593Smuzhiyun #define ACOMPAT 0x04 /* ... used compatibility mode (VAX only not used) */ 110*4882a593Smuzhiyun #define ACORE 0x08 /* ... dumped core */ 111*4882a593Smuzhiyun #define AXSIG 0x10 /* ... was killed by a signal */ 112*4882a593Smuzhiyun 113*4882a593Smuzhiyun #if defined(__BYTE_ORDER) ? __BYTE_ORDER == __BIG_ENDIAN : defined(__BIG_ENDIAN) 114*4882a593Smuzhiyun #define ACCT_BYTEORDER 0x80 /* accounting file is big endian */ 115*4882a593Smuzhiyun #elif defined(__BYTE_ORDER) ? __BYTE_ORDER == __LITTLE_ENDIAN : defined(__LITTLE_ENDIAN) 116*4882a593Smuzhiyun #define ACCT_BYTEORDER 0x00 /* accounting file is little endian */ 117*4882a593Smuzhiyun #else 118*4882a593Smuzhiyun #error unspecified endianness 119*4882a593Smuzhiyun #endif 120*4882a593Smuzhiyun 121*4882a593Smuzhiyun #ifndef __KERNEL__ 122*4882a593Smuzhiyun #define ACCT_VERSION 2 123*4882a593Smuzhiyun #define AHZ (HZ) 124*4882a593Smuzhiyun #endif /* __KERNEL */ 125*4882a593Smuzhiyun 126*4882a593Smuzhiyun 127*4882a593Smuzhiyun #endif /* _UAPI_LINUX_ACCT_H */ 128