From 8fb65ce818b3e3c6f165b583b910af24000768a5 Mon Sep 17 00:00:00 2001 From: rgrimes Date: Tue, 24 May 1994 10:09:53 +0000 Subject: BSD 4.4 Lite Kernel Sources --- sys/sys/vmmeter.h | 147 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 147 insertions(+) create mode 100644 sys/sys/vmmeter.h (limited to 'sys/sys/vmmeter.h') diff --git a/sys/sys/vmmeter.h b/sys/sys/vmmeter.h new file mode 100644 index 0000000..f0b3d57 --- /dev/null +++ b/sys/sys/vmmeter.h @@ -0,0 +1,147 @@ +/*- + * 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. + * + * @(#)vmmeter.h 8.1 (Berkeley) 6/2/93 + */ + +/* + * System wide statistics counters. + */ +struct vmmeter { + /* + * General system activity. + */ + 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_faults; /* total faults taken */ + /* + * Virtual memory activity. + */ + unsigned v_lookups; /* object cache lookups */ + unsigned v_hits; /* object cache hits */ + unsigned v_vm_faults; /* number of address memory faults */ + unsigned v_cow_faults; /* number of copy-on-writes */ + unsigned v_swpin; /* swapins */ + unsigned v_swpout; /* swapouts */ + unsigned v_pswpin; /* pages swapped in */ + unsigned v_pswpout; /* pages swapped out */ + unsigned v_pageins; /* number of pageins */ + unsigned v_pageouts; /* number of pageouts */ + unsigned v_pgpgin; /* pages paged in */ + unsigned v_pgpgout; /* pages paged out */ + unsigned v_intrans; /* intransit blocking page faults */ + unsigned v_reactivated; /* number of pages reactivated from free list */ + unsigned v_rev; /* revolutions of the hand */ + unsigned v_scan; /* scans in page out daemon */ + unsigned v_dfree; /* pages freed by daemon */ + unsigned v_pfree; /* pages freed by exiting processes */ + unsigned v_zfod; /* pages zero filled on demand */ + unsigned v_nzfod; /* number of zfod's created */ + /* + * Distribution of page usages. + */ + unsigned v_page_size; /* page size in bytes */ + unsigned v_kernel_pages;/* number of pages in use by kernel */ + unsigned v_free_target; /* number of pages desired free */ + unsigned v_free_min; /* minimum number of pages desired free */ + unsigned v_free_count; /* number of pages free */ + unsigned v_wire_count; /* number of pages wired down */ + unsigned v_active_count;/* number of pages active */ + unsigned v_inactive_target; /* number of pages desired inactive */ + unsigned v_inactive_count; /* number of pages inactive */ +}; +#ifdef KERNEL +struct vmmeter cnt; +#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_vmshr; /* shared virtual memory */ + long t_avmshr; /* active shared virtual memory */ + long t_rmshr; /* shared real memory */ + long t_armshr; /* active shared real memory */ + 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 -- cgit v1.1