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Annotation of researchv9/sys.vax/h/trace.h, revision 1.1.1.1

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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