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/*
** ATOP - System & Process Monitor
**
** The program 'atop' offers the possibility to view the activity of
** the system on system-level as well as process-level.
**
** Include-file for process-accounting functions.
** ================================================================
** Author: Gerlof Langeveld
** E-mail: gerlof.langeveld@atoptool.nl
** Date: November 1996
** LINUX-port: June 2000
**
** This program is free software; you can redistribute it and/or modify it
** under the terms of the GNU General Public License as published by the
** Free Software Foundation; either version 2, or (at your option) any
** later version.
**
** This program is distributed in the hope that it 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.
*/
int acctswon(void);
void acctswoff(void);
unsigned long acctprocnt(void);
unsigned long acctphotoproc(struct tstat *, int);
void acctrepos(unsigned int);
/*
** maximum number of records to be read from process accounting file
** for one sample, to avoid that atop explodes and introduces OOM killing ....
**
** the maximum is based on a limit of 50 MiB extra memory (approx. 70000 procs)
*/
#define MAXACCTPROCS (50*1024*1024/sizeof(struct tstat))
/*
** preferred maximum size of process accounting file (200 MiB)
*/
#define ACCTMAXFILESZ (200*1024*1024)
/*
** alternative layout of accounting record if kernel-patch
** has been installed
*/
#include <linux/types.h>
typedef __u16 comp_t;
typedef __u32 comp2_t;
#define ACCT_COMM 16
struct acct_atop
{
char ac_flag; /* Flags */
char ac_version; /* Always set to ACCT_VERSION */
__u32 ac_pid; /* Process ID */
__u32 ac_ppid; /* Parent Process ID */
__u16 ac_uid16; /* LSB of Real User ID */
__u16 ac_gid16; /* LSB of 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; /* Virtual Memory */
comp_t ac_rss; /* Resident Memory */
comp_t ac_io; /* Chars Transferred */
comp_t ac_rw; /* Blocks Read or Written */
comp_t ac_bread; /* Blocks Read */
comp_t ac_bwrite; /* Blocks Written */
comp2_t ac_dskrsz; /* Cum. blocks read */
comp2_t ac_dskwsz; /* Cum. blocks written */
comp_t ac_tcpsnd; /* TCP send requests */
comp_t ac_tcprcv; /* TCP recv requests */
comp2_t ac_tcpssz; /* TCP cum. length */
comp2_t ac_tcprsz; /* TCP cum. length */
comp_t ac_udpsnd; /* UDP send requests */
comp_t ac_udprcv; /* UDP recv requests */
comp2_t ac_udpssz; /* UDP cum. length */
comp2_t ac_udprsz; /* UDP cum. length */
comp_t ac_rawsnd; /* RAW send requests */
comp_t ac_rawrcv; /* RAW recv requests */
comp_t ac_minflt; /* Minor Pagefaults */
comp_t ac_majflt; /* Major Pagefaults */
comp_t ac_swaps; /* Number of Swaps */
/* m68k had no padding here. */
#if !defined(CONFIG_M68K) || !defined(__KERNEL__)
__u16 ac_ahz; /* AHZ */
#endif
__u32 ac_exitcode; /* Exitcode */
char ac_comm[ACCT_COMM + 1]; /* Command Name */
__u8 ac_etime_hi; /* Elapsed Time MSB */
__u16 ac_etime_lo; /* Elapsed Time LSB */
__u32 ac_uid; /* Real User ID */
__u32 ac_gid; /* Real Group ID */
};
/*
** default layout of accounting record
** (copied from /usr/src/linux/include/linux/acct.h)
*/
struct acct
{
char ac_flag; /* Flags */
char ac_version; /* Always set to ACCT_VERSION */
/* for binary compatibility back until 2.0 */
__u16 ac_uid16; /* LSB of Real User ID */
__u16 ac_gid16; /* LSB of 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 */
/* m68k had no padding here. */
#if !defined(CONFIG_M68K) || !defined(__KERNEL__)
__u16 ac_ahz; /* AHZ */
#endif
__u32 ac_exitcode; /* Exitcode */
char ac_comm[ACCT_COMM + 1]; /* Command Name */
__u8 ac_etime_hi; /* Elapsed Time MSB */
__u16 ac_etime_lo; /* Elapsed Time LSB */
__u32 ac_uid; /* Real User ID */
__u32 ac_gid; /* Real Group ID */
};
struct acct_v3
{
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 */
#ifdef __KERNEL__
__u32 ac_etime; /* Elapsed Time */
#else
float ac_etime; /* Elapsed Time */
#endif
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 */
};
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