Return to vmsystm.h CVS log

Up to [CSRG BSD Unix] / 43BSD / sys / h

Annotation of 43BSD/sys/h/vmsystm.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1982, 1986 Regents of the University of California.
        !             3:  * All rights reserved.  The Berkeley software License Agreement
        !             4:  * specifies the terms and conditions for redistribution.
        !             5:  *
        !             6:  *     @(#)vmsystm.h   7.1 (Berkeley) 6/4/86
        !             7:  */
        !             8: 
        !             9: /*
        !            10:  * Miscellaneous virtual memory subsystem variables and structures.
        !            11:  */
        !            12: 
        !            13: #ifdef KERNEL
        !            14: int    freemem;                /* remaining blocks of free memory */
        !            15: int    avefree;                /* moving average of remaining free blocks */
        !            16: int    avefree30;              /* 30 sec (avefree is 5 sec) moving average */
        !            17: int    deficit;                /* estimate of needs of new swapped in procs */
        !            18: int    nscan;                  /* number of scans in last second */
        !            19: int    multprog;               /* current multiprogramming degree */
        !            20: int    desscan;                /* desired pages scanned per second */
        !            21: 
        !            22: /* writable copies of tunables */
        !            23: int    maxpgio;                /* max paging i/o per sec before start swaps */
        !            24: int    maxslp;                 /* max sleep time before very swappable */
        !            25: int    lotsfree;               /* max free before clock freezes */
        !            26: int    minfree;                /* minimum free pages before swapping begins */
        !            27: int    desfree;                /* no of pages to try to keep free via daemon */
        !            28: int    saferss;                /* no pages not to steal; decays with slptime */
        !            29: int    slowscan;               /* slowest scan rate, clusters/second */
        !            30: int    fastscan;               /* fastest scan rate, clusters/second */
        !            31: #endif
        !            32: 
        !            33: /*
        !            34:  * Fork/vfork accounting.
        !            35:  */
        !            36: struct forkstat
        !            37: {
        !            38:        int     cntfork;
        !            39:        int     cntvfork;
        !            40:        int     sizfork;
        !            41:        int     sizvfork;
        !            42: };
        !            43: #ifdef KERNEL
        !            44: struct forkstat forkstat;
        !            45: #endif
        !            46: 
        !            47: /*
        !            48:  * Swap kind accounting.
        !            49:  */
        !            50: struct swptstat
        !            51: {
        !            52:        int     pteasy;         /* easy pt swaps */
        !            53:        int     ptexpand;       /* pt expansion swaps */
        !            54:        int     ptshrink;       /* pt shrinking swaps */
        !            55:        int     ptpack;         /* pt swaps involving spte copying */
        !            56: };
        !            57: #ifdef KERNEL
        !            58: struct swptstat swptstat;
        !            59: #endif

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.