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- /*
- * Mach Operating System
- * Copyright (c) 1989 Carnegie-Mellon University
- * Copyright (c) 1988 Carnegie-Mellon University
- * Copyright (c) 1987 Carnegie-Mellon University
- * All rights reserved. The CMU software License Agreement specifies
- * the terms and conditions for use and redistribution.
- */
- /*
- * HISTORY
- * $Log: trace.h,v $
- * Revision 2.5 89/03/09 22:08:54 rpd
- * More cleanup.
- *
- * Revision 2.4 89/02/25 17:57:17 gm0w
- * Made all CMUCS conditional stuff always true. Changed
- * romp to ibmrt.
- * [89/02/14 mrt]
- *
- * Revision 2.3 88/11/23 16:36:57 rpd
- * Added fd driver trace points from Acis.
- * [88/11/04 17:56:32 rpd]
- *
- * Revision 2.2 88/08/24 02:49:44 mwyoung
- * Adjusted include file references.
- * [88/08/17 02:26:00 mwyoung]
- *
- * 24-Aug-87 Richard Sanzi (sanzi) at Carnegie-Mellon University
- * Added several trace values for the romp from the 4.3 ACIS code.
- *
- * 14-Oct-86 Avadis Tevanian (avie) at Carnegie-Mellon University
- * Conditionalize the previous bug fix on CS_BUGFIX.
- *
- * 7-Oct-86 David L. Black (dlb) at Carnegie-Mellon University
- * trace(a,b,b) -> trace(a,b,c) bug fix.
- *
- */
- /*
- * Copyright (c) 1982, 1986 Regents of the University of California.
- * All rights reserved. The Berkeley software License Agreement
- * specifies the terms and conditions for redistribution.
- *
- * @(#)trace.h 7.1 (Berkeley) 6/4/86
- */
-
- #ifndef _SYS_TRACE_H_
- #define _SYS_TRACE_H_
-
- /*
- * File system buffer tracing points; all trace <pack(dev, size), bn>
- */
- #define TR_BREADHIT 0 /* buffer read found in cache */
- #define TR_BREADMISS 1 /* buffer read not in cache */
- #define TR_BWRITE 2 /* buffer written */
- #define TR_BREADHITRA 3 /* buffer read-ahead found in cache */
- #define TR_BREADMISSRA 4 /* buffer read-ahead not in cache */
- #define TR_XFODMISS 5 /* exe fod read */
- #define TR_XFODHIT 6 /* exe fod read */
- #define TR_BRELSE 7 /* brelse */
- #define TR_BREALLOC 8 /* expand/contract a buffer */
-
- /*
- * Memory allocator trace points; all trace the amount of memory involved
- */
- #define TR_MALL 10 /* memory allocated */
-
- /*
- * Paging trace points: all are <vaddr, pid>
- */
- #define TR_INTRANS 20 /* page intransit block */
- #define TR_EINTRANS 21 /* page intransit wait done */
- #define TR_FRECLAIM 22 /* reclaim from free list */
- #define TR_RECLAIM 23 /* reclaim from loop */
- #define TR_XSFREC 24 /* reclaim from free list instead of drum */
- #define TR_XIFREC 25 /* reclaim from free list instead of fsys */
- #define TR_WAITMEM 26 /* wait for memory in pagein */
- #define TR_EWAITMEM 27 /* end memory wait in pagein */
- #define TR_ZFOD 28 /* zfod page fault */
- #define TR_EXFOD 29 /* exec fod page fault */
- #define TR_VRFOD 30 /* vread fod page fault */
- #define TR_CACHEFOD 31 /* fod in file system cache */
- #define TR_SWAPIN 32 /* drum page fault */
- #define TR_PGINDONE 33 /* page in done */
- #define TR_SWAPIO 34 /* swap i/o request arrives */
-
- /*
- * System call trace points.
- */
- #define TR_VADVISE 40 /* vadvise occurred with <arg, pid> */
-
- /*
- * Miscellaneous
- */
- #define TR_STAMP 45 /* user said vtrace(VTR_STAMP, value); */
- #ifdef ibmrt
- #define TR_RWIP 49 /* rwip() */
-
- /*
- * Disk device driver (EESDI only at present) trace points
- */
- #define TR_D_ENQ 50 /* enqueue - strategy called */
- #define TR_D_GO 51 /* go - cmd given to adapter */
- #define TR_D_INT 52 /* interrupt - from adapter */
- /*
- * Floppy device driver trace points
- */
- #define TR_F_STR 60 /* enqueue - fdstrategy called */
- #define TR_F_STA 61 /* fdstart called */
- #define TR_F_DGO 62 /* fddgo called */
- #define TR_F_INT 63 /* interrupt from adapter - fdint() */
- #define TR_F_AUT 64 /* fdautodensity - top of loop */
- #define TR_F_REL 65 /* releasing a buffer */
- #define TR_F_OPE 66 /* fdopen */
- #define TR_F_CLO 67 /* fdclose */
- #define TR_F_WAI 68 /* waiting for i/o complete on a buffer */
- #define TR_F_FOR 69 /* fdformat */
- #endif ibmrt
-
- /*
- * This defines the size of the trace flags array.
- */
- #define TR_NFLAGS 100 /* generous */
-
- #define TRCSIZ 4096
-
- /*
- * Specifications of the vtrace() system call, which takes one argument.
- */
- #define VTRACE 64+51
-
- #define VTR_DISABLE 0 /* set a trace flag to 0 */
- #define VTR_ENABLE 1 /* set a trace flag to 1 */
- #define VTR_VALUE 2 /* return value of a trace flag */
- #define VTR_UALARM 3 /* set alarm to go off (sig 16) */
- /* in specified number of hz */
- #define VTR_STAMP 4 /* user specified stamp */
-
- #ifdef KERNEL
- #ifdef TRACE
- extern char traceflags[TR_NFLAGS];
- extern struct proc *traceproc;
- extern int tracebuf[TRCSIZ];
- extern unsigned tracex;
- extern int tracewhich;
-
- #define pack(a,b) ((a)<<16)|(b)
- #define trace(a,b,c) if (traceflags[a]) trace1(a,b,c)
- #else TRACE
- #define trace(a,b,c)
- #endif TRACE
-
- #endif KERNEL
- #endif _SYS_TRACE_H_
-