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 _LINUX_ACCT_H 16 #define _LINUX_ACCT_H 17 18 #include <linux/types.h> 19 20 /* 21 * comp_t is a 16-bit "floating" point number with a 3-bit base 8 22 * exponent and a 13-bit fraction. See linux/kernel/acct.c for the 23 * specific encoding system used. 24 */ 25 26 typedef __u16 comp_t; 27 28 /* 29 * accounting file record 30 * 31 * This structure contains all of the information written out to the 32 * process accounting file whenever a process exits. 33 */ 34 35 #define ACCT_COMM 16 36 37 struct acct 38 { 39 char ac_flag; /* Accounting Flags */ 40 /* 41 * No binary format break with 2.0 - but when we hit 32bit uid we'll 42 * have to bite one 43 */ 44 __u16 ac_uid; /* Accounting Real User ID */ 45 __u16 ac_gid; /* Accounting Real Group ID */ 46 __u16 ac_tty; /* Accounting Control Terminal */ 47 __u32 ac_btime; /* Accounting Process Creation Time */ 48 comp_t ac_utime; /* Accounting User Time */ 49 comp_t ac_stime; /* Accounting System Time */ 50 comp_t ac_etime; /* Accounting Elapsed Time */ 51 comp_t ac_mem; /* Accounting Average Memory Usage */ 52 comp_t ac_io; /* Accounting Chars Transferred */ 53 comp_t ac_rw; /* Accounting Blocks Read or Written */ 54 comp_t ac_minflt; /* Accounting Minor Pagefaults */ 55 comp_t ac_majflt; /* Accounting Major Pagefaults */ 56 comp_t ac_swaps; /* Accounting Number of Swaps */ 57 __u32 ac_exitcode; /* Accounting Exitcode */ 58 char ac_comm[ACCT_COMM + 1]; /* Accounting Command Name */ 59 char ac_pad[10]; /* Accounting Padding Bytes */ 60 }; 61 62 /* 63 * accounting flags 64 */ 65 /* bit set when the process ... */ 66 #define AFORK 0x01 /* ... executed fork, but did not exec */ 67 #define ASU 0x02 /* ... used super-user privileges */ 68 #define ACOMPAT 0x04 /* ... used compatibility mode (VAX only not used) */ 69 #define ACORE 0x08 /* ... dumped core */ 70 #define AXSIG 0x10 /* ... was killed by a signal */ 71 72 #define AHZ 100 73 74 #ifdef __KERNEL__ 75 76 #include <linux/config.h> 77 78 #ifdef CONFIG_BSD_PROCESS_ACCT 79 extern void acct_auto_close(kdev_t dev); 80 extern int acct_process(long exitcode); 81 #else 82 #define acct_auto_close(x) do { } while (0) 83 #define acct_process(x) do { } while (0) 84 #endif 85 86 #endif /* __KERNEL */ 87 88 #endif /* _LINUX_ACCT_H */ 89