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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 /* * 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 #define trace(a,b,c) #endif #endif #endif
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