| David Howells | 607ca46 | 2012-10-13 10:46:48 +0100 | [diff] [blame] | 1 | /* |
| 2 | * BSD Process Accounting for Linux - Definitions |
| 3 | * |
| 4 | * Author: Marco van Wieringen (mvw@planets.elm.net) |
| 5 | * |
| 6 | * This header file contains the definitions needed to implement |
| 7 | * BSD-style process accounting. The kernel accounting code and all |
| 8 | * user-level programs that try to do something useful with the |
| 9 | * process accounting log must include this file. |
| 10 | * |
| 11 | * Copyright (C) 1995 - 1997 Marco van Wieringen - ELM Consultancy B.V. |
| 12 | * |
| 13 | */ |
| 14 | |
| 15 | #ifndef _UAPI_LINUX_ACCT_H |
| 16 | #define _UAPI_LINUX_ACCT_H |
| 17 | |
| 18 | #include <linux/types.h> |
| 19 | |
| 20 | #include <asm/param.h> |
| 21 | #include <asm/byteorder.h> |
| 22 | |
| 23 | /* |
| 24 | * comp_t is a 16-bit "floating" point number with a 3-bit base 8 |
| 25 | * exponent and a 13-bit fraction. |
| 26 | * comp2_t is 24-bit with 5-bit base 2 exponent and 20 bit fraction |
| 27 | * (leading 1 not stored). |
| 28 | * See linux/kernel/acct.c for the specific encoding systems used. |
| 29 | */ |
| 30 | |
| 31 | typedef __u16 comp_t; |
| 32 | typedef __u32 comp2_t; |
| 33 | |
| 34 | /* |
| 35 | * accounting file record |
| 36 | * |
| 37 | * This structure contains all of the information written out to the |
| 38 | * process accounting file whenever a process exits. |
| 39 | */ |
| 40 | |
| 41 | #define ACCT_COMM 16 |
| 42 | |
| 43 | struct acct |
| 44 | { |
| 45 | char ac_flag; /* Flags */ |
| 46 | char ac_version; /* Always set to ACCT_VERSION */ |
| 47 | /* for binary compatibility back until 2.0 */ |
| 48 | __u16 ac_uid16; /* LSB of Real User ID */ |
| 49 | __u16 ac_gid16; /* LSB of Real Group ID */ |
| 50 | __u16 ac_tty; /* Control Terminal */ |
| 51 | __u32 ac_btime; /* Process Creation Time */ |
| 52 | comp_t ac_utime; /* User Time */ |
| 53 | comp_t ac_stime; /* System Time */ |
| 54 | comp_t ac_etime; /* Elapsed Time */ |
| 55 | comp_t ac_mem; /* Average Memory Usage */ |
| 56 | comp_t ac_io; /* Chars Transferred */ |
| 57 | comp_t ac_rw; /* Blocks Read or Written */ |
| 58 | comp_t ac_minflt; /* Minor Pagefaults */ |
| 59 | comp_t ac_majflt; /* Major Pagefaults */ |
| 60 | comp_t ac_swaps; /* Number of Swaps */ |
| 61 | /* m68k had no padding here. */ |
| 62 | #if !defined(CONFIG_M68K) || !defined(__KERNEL__) |
| 63 | __u16 ac_ahz; /* AHZ */ |
| 64 | #endif |
| 65 | __u32 ac_exitcode; /* Exitcode */ |
| 66 | char ac_comm[ACCT_COMM + 1]; /* Command Name */ |
| 67 | __u8 ac_etime_hi; /* Elapsed Time MSB */ |
| 68 | __u16 ac_etime_lo; /* Elapsed Time LSB */ |
| 69 | __u32 ac_uid; /* Real User ID */ |
| 70 | __u32 ac_gid; /* Real Group ID */ |
| 71 | }; |
| 72 | |
| 73 | struct acct_v3 |
| 74 | { |
| 75 | char ac_flag; /* Flags */ |
| 76 | char ac_version; /* Always set to ACCT_VERSION */ |
| 77 | __u16 ac_tty; /* Control Terminal */ |
| 78 | __u32 ac_exitcode; /* Exitcode */ |
| 79 | __u32 ac_uid; /* Real User ID */ |
| 80 | __u32 ac_gid; /* Real Group ID */ |
| 81 | __u32 ac_pid; /* Process ID */ |
| 82 | __u32 ac_ppid; /* Parent Process ID */ |
| 83 | __u32 ac_btime; /* Process Creation Time */ |
| 84 | #ifdef __KERNEL__ |
| 85 | __u32 ac_etime; /* Elapsed Time */ |
| 86 | #else |
| 87 | float ac_etime; /* Elapsed Time */ |
| 88 | #endif |
| 89 | comp_t ac_utime; /* User Time */ |
| 90 | comp_t ac_stime; /* System Time */ |
| 91 | comp_t ac_mem; /* Average Memory Usage */ |
| 92 | comp_t ac_io; /* Chars Transferred */ |
| 93 | comp_t ac_rw; /* Blocks Read or Written */ |
| 94 | comp_t ac_minflt; /* Minor Pagefaults */ |
| 95 | comp_t ac_majflt; /* Major Pagefaults */ |
| 96 | comp_t ac_swaps; /* Number of Swaps */ |
| 97 | char ac_comm[ACCT_COMM]; /* Command Name */ |
| 98 | }; |
| 99 | |
| 100 | /* |
| 101 | * accounting flags |
| 102 | */ |
| 103 | /* bit set when the process ... */ |
| 104 | #define AFORK 0x01 /* ... executed fork, but did not exec */ |
| 105 | #define ASU 0x02 /* ... used super-user privileges */ |
| 106 | #define ACOMPAT 0x04 /* ... used compatibility mode (VAX only not used) */ |
| 107 | #define ACORE 0x08 /* ... dumped core */ |
| 108 | #define AXSIG 0x10 /* ... was killed by a signal */ |
| 109 | |
| 110 | #ifdef __BIG_ENDIAN |
| 111 | #define ACCT_BYTEORDER 0x80 /* accounting file is big endian */ |
| 112 | #else |
| 113 | #define ACCT_BYTEORDER 0x00 /* accounting file is little endian */ |
| 114 | #endif |
| 115 | |
| 116 | #ifndef __KERNEL__ |
| 117 | #define ACCT_VERSION 2 |
| 118 | #define AHZ (HZ) |
| 119 | #endif /* __KERNEL */ |
| 120 | |
| 121 | |
| 122 | #endif /* _UAPI_LINUX_ACCT_H */ |