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Annotation of researchv9/sys.vax/h/trace.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Memory allocator trace points; all trace the amount of memory involved
        !             3:  */
        !             4: #define        TR_MALL         10      /* memory allocated */
        !             5: 
        !             6: /*
        !             7:  * Paging trace points: all are <vaddr, pid>
        !             8:  */
        !             9: #define        TR_INTRANS      20      /* page intransit block */
        !            10: #define        TR_EINTRANS     21      /* page intransit wait done */
        !            11: #define        TR_FRECLAIM     22      /* reclaim from free list */
        !            12: #define        TR_RECLAIM      23      /* reclaim from loop */
        !            13: #define        TR_XSFREC       24      /* reclaim from free list instead of drum */
        !            14: #define        TR_XIFREC       25      /* reclaim from free list instead of fsys */
        !            15: #define        TR_WAITMEM      26      /* wait for memory in pagein */
        !            16: #define        TR_EWAITMEM     27      /* end memory wait in pagein */
        !            17: #define        TR_ZFOD         28      /* zfod page fault */
        !            18: #define        TR_EXFOD        29      /* exec fod page fault */
        !            19: #define        TR_VRFOD        30      /* vread fod page fault */
        !            20: #define        TR_CACHEFOD     31      /* fod in file system cache */
        !            21: #define        TR_SWAPIN       32      /* drum page fault */
        !            22: #define        TR_PGINDONE     33      /* page in done */
        !            23: 
        !            24: /*
        !            25:  * System call trace points.
        !            26:  */
        !            27: #define        TR_VADVISE      40      /* vadvise occurred with <arg, pid> */
        !            28: 
        !            29: /* iget tracing */
        !            30: #define TR_IGET                1
        !            31: #define TR_IGOT                2
        !            32: #define TR_SEND                3
        !            33: #define TR_RECV                4
        !            34: 
        !            35: /*
        !            36:  * up/uda interrupt tracking
        !            37:  */
        !            38: #define TR_UBGO                10      /* disk command */
        !            39: #define TR_UBINT       11      /* got interrupt */
        !            40: #define TR_BFIN                12      /* in bflush from update */
        !            41: #define TR_BFOUT       13      /* out of bflush from update */
        !            42: #define TR_BDPON       14      /* alloc bdp */
        !            43: #define TR_BDPOFF      15      /* de-alloc bdp */
        !            44: #define TR_UDCMND      16      /* sent a command to the uda-50 */
        !            45: #define TR_UDRESP      17      /* uda 50 interrupted */
        !            46: 
        !            47: /*
        !            48:  * Miscellaneous
        !            49:  */
        !            50: #define        TR_STAMP        50      /* user said vtrace(VTR_STAMP, value); */
        !            51: 
        !            52: /*
        !            53:  * This defines the size of the trace flags array.
        !            54:  */
        !            55: #define        TR_NFLAGS       100     /* generous */
        !            56: 
        !            57: #define        TRCSIZ          4096
        !            58: 
        !            59: /*
        !            60:  * Specifications of the vtrace() system call, which takes one argument.
        !            61:  */
        !            62: #define        VTRACE          64+51
        !            63: 
        !            64: #define        VTR_DISABLE     0               /* set a trace flag to 0 */
        !            65: #define        VTR_ENABLE      1               /* set a trace flag to 1 */
        !            66: #define        VTR_VALUE       2               /* return value of a trace flag */
        !            67: #define        VTR_UALARM      3               /* set alarm to go off (sig 16) */
        !            68:                                        /* in specified number of hz */
        !            69: #define        VTR_STAMP       4               /* user specified stamp */
        !            70: #ifdef TRACE
        !            71: #ifdef KERNEL
        !            72: char   traceflags[TR_NFLAGS];
        !            73: struct proc *traceproc;
        !            74: int    tracebuf[TRCSIZ];
        !            75: unsigned tracex;
        !            76: int    tracewhich;
        !            77: #define        trace(a,b,c)    if (traceflags[a]) trace1(a,b,c)
        !            78: #endif
        !            79: #else
        !            80: #define trace(a, b, c)
        !            81: #endif

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