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Text File | 1992-09-04 | 4.9 KB | 142 lines | [TEXT/UNIX] |
- /*-
- * Copyright (c) 1982, 1986 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.
- *
- * @(#)vmmeter.h 7.3 (Berkeley) 5/5/91
- */
-
- /*
- * Virtual memory related instrumentation
- */
- struct vmmeter
- {
- #define v_first v_swtch
- unsigned v_swtch; /* context switches */
- unsigned v_trap; /* calls to trap */
- unsigned v_syscall; /* calls to syscall() */
- unsigned v_intr; /* device interrupts */
- unsigned v_soft; /* software interrupts */
- unsigned v_pdma; /* pseudo-dma interrupts */
- unsigned v_pswpin; /* pages swapped in */
- unsigned v_pswpout; /* pages swapped out */
- unsigned v_pgin; /* pageins */
- unsigned v_pgout; /* pageouts */
- unsigned v_pgpgin; /* pages paged in */
- unsigned v_pgpgout; /* pages paged out */
- unsigned v_intrans; /* intransit blocking page faults */
- unsigned v_pgrec; /* total page reclaims */
- unsigned v_xsfrec; /* found in free list rather than on swapdev */
- unsigned v_xifrec; /* found in free list rather than in filsys */
- unsigned v_exfod; /* pages filled on demand from executables */
- unsigned v_zfod; /* pages zero filled on demand */
- unsigned v_vrfod; /* fills of pages mapped by vread() */
- unsigned v_nexfod; /* number of exfod's created */
- unsigned v_nzfod; /* number of zfod's created */
- unsigned v_nvrfod; /* number of vrfod's created */
- unsigned v_pgfrec; /* page reclaims from free list */
- unsigned v_faults; /* total faults taken */
- unsigned v_scan; /* scans in page out daemon */
- unsigned v_rev; /* revolutions of the hand */
- unsigned v_seqfree; /* pages taken from sequential programs */
- unsigned v_dfree; /* pages freed by daemon */
- unsigned v_fastpgrec; /* fast reclaims in locore */
- #ifdef tahoe
- unsigned v_fpe; /* floating point emulation traps */
- unsigned v_align; /* alignment emulation traps */
- #endif
- #define v_last v_fastpgrec
- unsigned v_swpin; /* swapins */
- unsigned v_swpout; /* swapouts */
- };
- #ifdef KERNEL
- struct vmmeter cnt, rate, sum;
- #endif
-
- /* systemwide totals computed every five seconds */
- struct vmtotal
- {
- short t_rq; /* length of the run queue */
- short t_dw; /* jobs in ``disk wait'' (neg priority) */
- short t_pw; /* jobs in page wait */
- short t_sl; /* jobs sleeping in core */
- short t_sw; /* swapped out runnable/short block jobs */
- long t_vm; /* total virtual memory */
- long t_avm; /* active virtual memory */
- long t_rm; /* total real memory in use */
- long t_arm; /* active real memory */
- long t_vmtxt; /* virtual memory used by text */
- long t_avmtxt; /* active virtual memory used by text */
- long t_rmtxt; /* real memory used by text */
- long t_armtxt; /* active real memory used by text */
- long t_free; /* free memory pages */
- };
- #ifdef KERNEL
- struct vmtotal total;
- #endif
-
- /*
- * Optional instrumentation.
- */
- #ifdef PGINPROF
-
- #define NDMON 128
- #define NSMON 128
-
- #define DRES 20
- #define SRES 5
-
- #define PMONMIN 20
- #define PRES 50
- #define NPMON 64
-
- #define RMONMIN 130
- #define RRES 5
- #define NRMON 64
-
- /* data and stack size distribution counters */
- unsigned int dmon[NDMON+1];
- unsigned int smon[NSMON+1];
-
- /* page in time distribution counters */
- unsigned int pmon[NPMON+2];
-
- /* reclaim time distribution counters */
- unsigned int rmon[NRMON+2];
-
- int pmonmin;
- int pres;
- int rmonmin;
- int rres;
-
- unsigned rectime; /* accumulator for reclaim times */
- unsigned pgintime; /* accumulator for page in times */
- #endif
-