124 lines
4.4 KiB
C
124 lines
4.4 KiB
C
/* $NetBSD: trace.h,v 1.8 1997/01/22 07:09:27 mikel Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1982, 1986, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* @(#)trace.h 8.1 (Berkeley) 6/2/93
|
|
*/
|
|
|
|
#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); */
|
|
|
|
/*
|
|
* 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
|
|
struct proc *traceproc;
|
|
int tracewhich, tracebuf[TRCSIZ];
|
|
u_int tracex;
|
|
char traceflags[TR_NFLAGS];
|
|
#define pack(v,b) (((v)->v_mount->mnt_stat.f_fsid.val[0])<<16)|(b)
|
|
#define trace(a,b,c) { \
|
|
if (traceflags[a]) \
|
|
trace1(a,b,c); \
|
|
}
|
|
#else
|
|
#define trace(a,b,c)
|
|
#endif /* TRACE */
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* !_SYS_TRACE_H_ */
|