/*
** 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 describing system-level counters maintained.
** ================================================================
** 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.
*/
#include "netstats.h"
#define MAXCPU 2048
#define MAXDSK 1024
#define MAXLVM 2048
#define MAXMDD 256
#define MAXINTF 128
#define MAXCONTAINER 128
#define MAXNFSMOUNT 64
#define MAXDKNAM 32
/************************************************************************/
struct memstat {
count_t physmem; // number of physical pages
count_t freemem; // number of free pages
count_t buffermem; // number of buffer pages
count_t slabmem; // number of slab pages
count_t cachemem; // number of cache pages
count_t cachedrt; // number of cache pages (dirty)
count_t totswap; // number of pages in swap
count_t freeswap; // number of free swap pages
count_t pgscans; // number of page scans
count_t pgsteal; // number of page steals
count_t allocstall; // try to free pages forced
count_t swouts; // number of pages swapped out
count_t swins; // number of pages swapped in
count_t commitlim; // commit limit in pages
count_t committed; // number of reserved pages
count_t shmem; // tot shmem incl. tmpfs (pages)
count_t shmrss; // resident shared memory (pages)
count_t shmswp; // swapped shared memory (pages)
count_t slabreclaim; // reclaimable slab (pages)
count_t tothugepage; // total huge pages (huge pages)
count_t freehugepage; // free huge pages (huge pages)
count_t hugepagesz; // huge page size (bytes)
count_t vmwballoon; // vmware claimed balloon pages
count_t cfuture[8]; // reserved for future use
};
/************************************************************************/
struct netstat {
struct ipv4_stats ipv4;
struct icmpv4_stats icmpv4;
struct udpv4_stats udpv4;
struct ipv6_stats ipv6;
struct icmpv6_stats icmpv6;
struct udpv6_stats udpv6;
struct tcp_stats tcp;
};
/************************************************************************/
struct freqcnt {
count_t maxfreq;/* frequency in MHz */
count_t cnt; /* number of clock ticks times state */
count_t ticks; /* number of total clock ticks */
/* if zero, cnt is actul freq */
};
struct percpu {
int cpunr;
count_t stime; /* system time in clock ticks */
count_t utime; /* user time in clock ticks */
count_t ntime; /* nice time in clock ticks */
count_t itime; /* idle time in clock ticks */
count_t wtime; /* iowait time in clock ticks */
count_t Itime; /* irq time in clock ticks */
count_t Stime; /* softirq time in clock ticks */
count_t steal; /* steal time in clock ticks */
count_t guest; /* guest time in clock ticks */
struct freqcnt freqcnt;/* frequency scaling info */
count_t cfuture[4]; /* reserved for future use */
};
struct cpustat {
count_t nrcpu; /* number of cpu's */
count_t devint; /* number of device interrupts */
count_t csw; /* number of context switches */
count_t nprocs; /* number of processes started */
float lavg1; /* load average last minute */
float lavg5; /* load average last 5 minutes */
float lavg15; /* load average last 15 minutes */
count_t cfuture[4]; /* reserved for future use */
struct percpu all;
struct percpu cpu[MAXCPU];
};
/************************************************************************/
struct perdsk {
char name[MAXDKNAM]; /* empty string for last */
count_t nread; /* number of read transfers */
count_t nrsect; /* number of sectors read */
count_t nwrite; /* number of write transfers */
count_t nwsect; /* number of sectors written */
count_t io_ms; /* number of millisecs spent for I/O */
count_t avque; /* average queue length */
count_t cfuture[4]; /* reserved for future use */
};
struct dskstat {
int ndsk; /* number of physical disks */
int nmdd; /* number of md volumes */
int nlvm; /* number of logical volumes */
struct perdsk dsk[MAXDSK];
struct perdsk mdd[MAXMDD];
struct perdsk lvm[MAXLVM];
};
/************************************************************************/
struct perintf {
char name[16]; /* empty string for last */
count_t rbyte; /* number of read bytes */
count_t rpack; /* number of read packets */
count_t rerrs; /* receive errors */
count_t rdrop; /* receive drops */
count_t rfifo; /* receive fifo */
count_t rframe; /* receive framing errors */
count_t rcompr; /* receive compressed */
count_t rmultic;/* receive multicast */
count_t rfuture[4]; /* reserved for future use */
count_t sbyte; /* number of written bytes */
count_t spack; /* number of written packets */
count_t serrs; /* transmit errors */
count_t sdrop; /* transmit drops */
count_t sfifo; /* transmit fifo */
count_t scollis;/* collisions */
count_t scarrier;/* transmit carrier */
count_t scompr; /* transmit compressed */
count_t sfuture[4]; /* reserved for future use */
char type; /* interface type ('e'/'w'/'?') */
long speed; /* interface speed in megabits/second */
long speedp; /* previous interface speed */
char duplex; /* full duplex (boolean) */
count_t cfuture[4]; /* reserved for future use */
};
struct intfstat {
int nrintf;
struct perintf intf[MAXINTF];
};
/************************************************************************/
struct pernfsmount {
char mountdev[128]; /* mountdevice */
count_t age; /* number of seconds mounted */
count_t bytesread; /* via normal reads */
count_t byteswrite; /* via normal writes */
count_t bytesdread; /* via direct reads */
count_t bytesdwrite; /* via direct writes */
count_t bytestotread; /* via reads */
count_t bytestotwrite; /* via writes */
count_t pagesmread; /* via mmap reads */
count_t pagesmwrite; /* via mmap writes */
count_t future[8];
};
struct nfsstat {
struct {
count_t netcnt;
count_t netudpcnt;
count_t nettcpcnt;
count_t nettcpcon;
count_t rpccnt;
count_t rpcbadfmt;
count_t rpcbadaut;
count_t rpcbadcln;
count_t rpcread;
count_t rpcwrite;
count_t rchits; /* repcache hits */
count_t rcmiss; /* repcache misses */
count_t rcnoca; /* uncached requests */
count_t nrbytes; /* read bytes */
count_t nwbytes; /* written bytes */
count_t future[8];
} server;
struct {
count_t rpccnt;
count_t rpcretrans;
count_t rpcautrefresh;
count_t rpcread;
count_t rpcwrite;
count_t future[8];
} client;
struct {
int nrmounts;
struct pernfsmount nfsmnt[MAXNFSMOUNT];
} nfsmounts;
};
/************************************************************************/
struct percontainer {
unsigned long ctid; /* container id */
unsigned long numproc; /* number of processes */
count_t system; /* */
count_t user; /* */
count_t nice; /* */
count_t uptime; /* */
count_t physpages; /* */
};
struct contstat {
int nrcontainer;
struct percontainer cont[MAXCONTAINER];
};
/************************************************************************/
/*
** experimental stuff for access to local HTTP daemons
*/
#define HTTPREQ "GET /server-status?auto HTTP/1.1\nHost: localhost\n\n"
struct wwwstat {
count_t accesses; /* total number of HTTP-requests */
count_t totkbytes; /* total kbytes transfer for HTTP-req */
count_t uptime; /* number of seconds since startup */
int bworkers; /* number of busy httpd-daemons */
int iworkers; /* number of idle httpd-daemons */
};
#if HTTPSTATS
int getwwwstat(unsigned short, struct wwwstat *);
#endif
/************************************************************************/
struct sstat {
struct cpustat cpu;
struct memstat mem;
struct netstat net;
struct intfstat intf;
struct dskstat dsk;
struct nfsstat nfs;
struct contstat cfs;
struct wwwstat www;
};
/*
** prototypes
*/
void photosyst (struct sstat *);
void deviatsyst(struct sstat *, struct sstat *, struct sstat *, long);
void totalsyst (char, struct sstat *, struct sstat *);