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6f52b16c | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
607ca46e DH |
2 | /* |
3 | * BSD Process Accounting for Linux - Definitions | |
4 | * | |
5 | * Author: Marco van Wieringen (mvw@planets.elm.net) | |
6 | * | |
7 | * This header file contains the definitions needed to implement | |
8 | * BSD-style process accounting. The kernel accounting code and all | |
9 | * user-level programs that try to do something useful with the | |
10 | * process accounting log must include this file. | |
11 | * | |
12 | * Copyright (C) 1995 - 1997 Marco van Wieringen - ELM Consultancy B.V. | |
13 | * | |
14 | */ | |
15 | ||
16 | #ifndef _UAPI_LINUX_ACCT_H | |
17 | #define _UAPI_LINUX_ACCT_H | |
18 | ||
19 | #include <linux/types.h> | |
20 | ||
21 | #include <asm/param.h> | |
22 | #include <asm/byteorder.h> | |
23 | ||
24 | /* | |
25 | * comp_t is a 16-bit "floating" point number with a 3-bit base 8 | |
26 | * exponent and a 13-bit fraction. | |
27 | * comp2_t is 24-bit with 5-bit base 2 exponent and 20 bit fraction | |
28 | * (leading 1 not stored). | |
29 | * See linux/kernel/acct.c for the specific encoding systems used. | |
30 | */ | |
31 | ||
32 | typedef __u16 comp_t; | |
33 | typedef __u32 comp2_t; | |
34 | ||
35 | /* | |
36 | * accounting file record | |
37 | * | |
38 | * This structure contains all of the information written out to the | |
39 | * process accounting file whenever a process exits. | |
40 | */ | |
41 | ||
42 | #define ACCT_COMM 16 | |
43 | ||
44 | struct acct | |
45 | { | |
46 | char ac_flag; /* Flags */ | |
47 | char ac_version; /* Always set to ACCT_VERSION */ | |
48 | /* for binary compatibility back until 2.0 */ | |
49 | __u16 ac_uid16; /* LSB of Real User ID */ | |
50 | __u16 ac_gid16; /* LSB of Real Group ID */ | |
51 | __u16 ac_tty; /* Control Terminal */ | |
2d602bf2 | 52 | /* __u32 range means times from 1970 to 2106 */ |
607ca46e DH |
53 | __u32 ac_btime; /* Process Creation Time */ |
54 | comp_t ac_utime; /* User Time */ | |
55 | comp_t ac_stime; /* System Time */ | |
56 | comp_t ac_etime; /* Elapsed Time */ | |
57 | comp_t ac_mem; /* Average Memory Usage */ | |
58 | comp_t ac_io; /* Chars Transferred */ | |
59 | comp_t ac_rw; /* Blocks Read or Written */ | |
60 | comp_t ac_minflt; /* Minor Pagefaults */ | |
61 | comp_t ac_majflt; /* Major Pagefaults */ | |
62 | comp_t ac_swaps; /* Number of Swaps */ | |
63 | /* m68k had no padding here. */ | |
64 | #if !defined(CONFIG_M68K) || !defined(__KERNEL__) | |
65 | __u16 ac_ahz; /* AHZ */ | |
66 | #endif | |
67 | __u32 ac_exitcode; /* Exitcode */ | |
68 | char ac_comm[ACCT_COMM + 1]; /* Command Name */ | |
69 | __u8 ac_etime_hi; /* Elapsed Time MSB */ | |
70 | __u16 ac_etime_lo; /* Elapsed Time LSB */ | |
71 | __u32 ac_uid; /* Real User ID */ | |
72 | __u32 ac_gid; /* Real Group ID */ | |
73 | }; | |
74 | ||
75 | struct acct_v3 | |
76 | { | |
77 | char ac_flag; /* Flags */ | |
78 | char ac_version; /* Always set to ACCT_VERSION */ | |
79 | __u16 ac_tty; /* Control Terminal */ | |
80 | __u32 ac_exitcode; /* Exitcode */ | |
81 | __u32 ac_uid; /* Real User ID */ | |
82 | __u32 ac_gid; /* Real Group ID */ | |
83 | __u32 ac_pid; /* Process ID */ | |
84 | __u32 ac_ppid; /* Parent Process ID */ | |
2d602bf2 | 85 | /* __u32 range means times from 1970 to 2106 */ |
607ca46e DH |
86 | __u32 ac_btime; /* Process Creation Time */ |
87 | #ifdef __KERNEL__ | |
88 | __u32 ac_etime; /* Elapsed Time */ | |
89 | #else | |
90 | float ac_etime; /* Elapsed Time */ | |
91 | #endif | |
92 | comp_t ac_utime; /* User Time */ | |
93 | comp_t ac_stime; /* System Time */ | |
94 | comp_t ac_mem; /* Average Memory Usage */ | |
95 | comp_t ac_io; /* Chars Transferred */ | |
96 | comp_t ac_rw; /* Blocks Read or Written */ | |
97 | comp_t ac_minflt; /* Minor Pagefaults */ | |
98 | comp_t ac_majflt; /* Major Pagefaults */ | |
99 | comp_t ac_swaps; /* Number of Swaps */ | |
100 | char ac_comm[ACCT_COMM]; /* Command Name */ | |
101 | }; | |
102 | ||
103 | /* | |
104 | * accounting flags | |
105 | */ | |
106 | /* bit set when the process ... */ | |
107 | #define AFORK 0x01 /* ... executed fork, but did not exec */ | |
108 | #define ASU 0x02 /* ... used super-user privileges */ | |
109 | #define ACOMPAT 0x04 /* ... used compatibility mode (VAX only not used) */ | |
110 | #define ACORE 0x08 /* ... dumped core */ | |
111 | #define AXSIG 0x10 /* ... was killed by a signal */ | |
112 | ||
29ba06b9 | 113 | #if defined(__BYTE_ORDER) ? __BYTE_ORDER == __BIG_ENDIAN : defined(__BIG_ENDIAN) |
607ca46e | 114 | #define ACCT_BYTEORDER 0x80 /* accounting file is big endian */ |
29ba06b9 | 115 | #elif defined(__BYTE_ORDER) ? __BYTE_ORDER == __LITTLE_ENDIAN : defined(__LITTLE_ENDIAN) |
607ca46e | 116 | #define ACCT_BYTEORDER 0x00 /* accounting file is little endian */ |
29ba06b9 DH |
117 | #else |
118 | #error unspecified endianness | |
607ca46e DH |
119 | #endif |
120 | ||
121 | #ifndef __KERNEL__ | |
122 | #define ACCT_VERSION 2 | |
123 | #define AHZ (HZ) | |
124 | #endif /* __KERNEL */ | |
125 | ||
126 | ||
127 | #endif /* _UAPI_LINUX_ACCT_H */ |