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Annotation of 42BSD/sys/h/vmmeter.h, revision 1.1

1.1     ! root        1: /*     vmmeter.h       6.1     7/29/83 */
        !             2: 
        !             3: /*
        !             4:  * Virtual memory related instrumentation
        !             5:  */
        !             6: struct vmmeter
        !             7: {
        !             8: #define        v_first v_swtch
        !             9:        unsigned v_swtch;       /* context switches */
        !            10:        unsigned v_trap;        /* calls to trap */
        !            11:        unsigned v_syscall;     /* calls to syscall() */
        !            12:        unsigned v_intr;        /* device interrupts */
        !            13:        unsigned v_pdma;        /* pseudo-dma interrupts */
        !            14:        unsigned v_pswpin;      /* pages swapped in */
        !            15:        unsigned v_pswpout;     /* pages swapped out */
        !            16:        unsigned v_pgin;        /* pageins */
        !            17:        unsigned v_pgout;       /* pageouts */
        !            18:        unsigned v_pgpgin;      /* pages paged in */
        !            19:        unsigned v_pgpgout;     /* pages paged out */
        !            20:        unsigned v_intrans;     /* intransit blocking page faults */
        !            21:        unsigned v_pgrec;       /* total page reclaims */
        !            22:        unsigned v_xsfrec;      /* found in free list rather than on swapdev */
        !            23:        unsigned v_xifrec;      /* found in free list rather than in filsys */
        !            24:        unsigned v_exfod;       /* pages filled on demand from executables */
        !            25:        unsigned v_zfod;        /* pages zero filled on demand */
        !            26:        unsigned v_vrfod;       /* fills of pages mapped by vread() */
        !            27:        unsigned v_nexfod;      /* number of exfod's created */
        !            28:        unsigned v_nzfod;       /* number of zfod's created */
        !            29:        unsigned v_nvrfod;      /* number of vrfod's created */
        !            30:        unsigned v_pgfrec;      /* page reclaims from free list */
        !            31:        unsigned v_faults;      /* total faults taken */
        !            32:        unsigned v_scan;        /* scans in page out daemon */
        !            33:        unsigned v_rev;         /* revolutions of the hand */
        !            34:        unsigned v_seqfree;     /* pages taken from sequential programs */
        !            35:        unsigned v_dfree;       /* pages freed by daemon */
        !            36:        unsigned v_fastpgrec;   /* fast reclaims in locore */
        !            37: #define        v_last v_fastpgrec
        !            38:        unsigned v_swpin;       /* swapins */
        !            39:        unsigned v_swpout;      /* swapouts */
        !            40: };
        !            41: #ifdef KERNEL
        !            42: struct vmmeter cnt, rate, sum;
        !            43: #endif
        !            44: 
        !            45: /* systemwide totals computed every five seconds */
        !            46: struct vmtotal
        !            47: {
        !            48:        short   t_rq;           /* length of the run queue */
        !            49:        short   t_dw;           /* jobs in ``disk wait'' (neg priority) */
        !            50:        short   t_pw;           /* jobs in page wait */
        !            51:        short   t_sl;           /* jobs sleeping in core */
        !            52:        short   t_sw;           /* swapped out runnable/short block jobs */
        !            53:        int     t_vm;           /* total virtual memory */
        !            54:        int     t_avm;          /* active virtual memory */
        !            55:        short   t_rm;           /* total real memory in use */
        !            56:        short   t_arm;          /* active real memory */
        !            57:        int     t_vmtxt;        /* virtual memory used by text */
        !            58:        int     t_avmtxt;       /* active virtual memory used by text */
        !            59:        short   t_rmtxt;        /* real memory used by text */
        !            60:        short   t_armtxt;       /* active real memory used by text */
        !            61:        short   t_free;         /* free memory pages */
        !            62: };
        !            63: #ifdef KERNEL
        !            64: struct vmtotal total;
        !            65: #endif
        !            66: 
        !            67: /*
        !            68:  * Optional instrumentation.
        !            69:  */
        !            70: #ifdef PGINPROF
        !            71: 
        !            72: #define        NDMON   128
        !            73: #define        NSMON   128
        !            74: 
        !            75: #define        DRES    20
        !            76: #define        SRES    5
        !            77: 
        !            78: #define        PMONMIN 20
        !            79: #define        PRES    50
        !            80: #define        NPMON   64
        !            81: 
        !            82: #define        RMONMIN 130
        !            83: #define        RRES    5
        !            84: #define        NRMON   64
        !            85: 
        !            86: /* data and stack size distribution counters */
        !            87: unsigned int   dmon[NDMON+1];
        !            88: unsigned int   smon[NSMON+1];
        !            89: 
        !            90: /* page in time distribution counters */
        !            91: unsigned int   pmon[NPMON+2];
        !            92: 
        !            93: /* reclaim time distribution counters */
        !            94: unsigned int   rmon[NRMON+2];
        !            95: 
        !            96: int    pmonmin;
        !            97: int    pres;
        !            98: int    rmonmin;
        !            99: int    rres;
        !           100: 
        !           101: unsigned rectime;              /* accumulator for reclaim times */
        !           102: unsigned pgintime;             /* accumulator for page in times */
        !           103: #endif

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