vm_meter.c revision 103216
11541Srgrimes/* 21541Srgrimes * Copyright (c) 1982, 1986, 1989, 1993 31541Srgrimes * The Regents of the University of California. All rights reserved. 41541Srgrimes * 51541Srgrimes * Redistribution and use in source and binary forms, with or without 61541Srgrimes * modification, are permitted provided that the following conditions 71541Srgrimes * are met: 81541Srgrimes * 1. Redistributions of source code must retain the above copyright 91541Srgrimes * notice, this list of conditions and the following disclaimer. 101541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111541Srgrimes * notice, this list of conditions and the following disclaimer in the 121541Srgrimes * documentation and/or other materials provided with the distribution. 131541Srgrimes * 3. All advertising materials mentioning features or use of this software 1458705Scharnier * must display the following acknowledgement: 151541Srgrimes * This product includes software developed by the University of 161541Srgrimes * California, Berkeley and its contributors. 171541Srgrimes * 4. Neither the name of the University nor the names of its contributors 181541Srgrimes * may be used to endorse or promote products derived from this software 191541Srgrimes * without specific prior written permission. 201541Srgrimes * 211541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311541Srgrimes * SUCH DAMAGE. 321541Srgrimes * 331541Srgrimes * @(#)vm_meter.c 8.4 (Berkeley) 1/4/94 3450477Speter * $FreeBSD: head/sys/vm/vm_meter.c 103216 2002-09-11 08:13:56Z julian $ 351541Srgrimes */ 361541Srgrimes 371541Srgrimes#include <sys/param.h> 381541Srgrimes#include <sys/systm.h> 391541Srgrimes#include <sys/kernel.h> 4076166Smarkm#include <sys/lock.h> 4176166Smarkm#include <sys/mutex.h> 4276166Smarkm#include <sys/proc.h> 4334924Sbde#include <sys/resource.h> 4474927Sjhb#include <sys/sx.h> 4512662Sdg#include <sys/vmmeter.h> 4693823Sdillon#include <sys/smp.h> 4712662Sdg 481541Srgrimes#include <vm/vm.h> 4940794Speter#include <vm/vm_page.h> 5012726Sbde#include <vm/vm_extern.h> 5112662Sdg#include <vm/vm_param.h> 5212662Sdg#include <vm/pmap.h> 5312662Sdg#include <vm/vm_map.h> 5412662Sdg#include <vm/vm_object.h> 551541Srgrimes#include <sys/sysctl.h> 561541Srgrimes 579759Sbdestruct vmmeter cnt; 581541Srgrimes 5976778Sjhbint maxslp = MAXSLP; 601541Srgrimes 6162622SjhbSYSCTL_UINT(_vm, VM_V_FREE_MIN, v_free_min, 6212286Sphk CTLFLAG_RW, &cnt.v_free_min, 0, ""); 6362622SjhbSYSCTL_UINT(_vm, VM_V_FREE_TARGET, v_free_target, 6412286Sphk CTLFLAG_RW, &cnt.v_free_target, 0, ""); 6562622SjhbSYSCTL_UINT(_vm, VM_V_FREE_RESERVED, v_free_reserved, 6612286Sphk CTLFLAG_RW, &cnt.v_free_reserved, 0, ""); 6762622SjhbSYSCTL_UINT(_vm, VM_V_INACTIVE_TARGET, v_inactive_target, 6812286Sphk CTLFLAG_RW, &cnt.v_inactive_target, 0, ""); 6962622SjhbSYSCTL_UINT(_vm, VM_V_CACHE_MIN, v_cache_min, 7012286Sphk CTLFLAG_RW, &cnt.v_cache_min, 0, ""); 7162622SjhbSYSCTL_UINT(_vm, VM_V_CACHE_MAX, v_cache_max, 7212286Sphk CTLFLAG_RW, &cnt.v_cache_max, 0, ""); 7362622SjhbSYSCTL_UINT(_vm, VM_V_PAGEOUT_FREE_MIN, v_pageout_free_min, 7412286Sphk CTLFLAG_RW, &cnt.v_pageout_free_min, 0, ""); 7562622SjhbSYSCTL_UINT(_vm, OID_AUTO, v_free_severe, 7651337Sdillon CTLFLAG_RW, &cnt.v_free_severe, 0, ""); 7712286Sphk 7846381SbillfSYSCTL_STRUCT(_vm, VM_LOADAVG, loadavg, CTLFLAG_RD, 7946381Sbillf &averunnable, loadavg, "Machine loadaverage history"); 801541Srgrimes 8112286Sphkstatic int 8262573Sphkvmtotal(SYSCTL_HANDLER_ARGS) 831541Srgrimes{ 8499072Sjulian/* XXXKSE almost completely broken */ 8512286Sphk struct proc *p; 8612286Sphk struct vmtotal total, *totalp; 8712286Sphk vm_map_entry_t entry; 8812286Sphk vm_object_t object; 8912286Sphk vm_map_t map; 901541Srgrimes int paging; 9199072Sjulian struct thread *td; 921541Srgrimes 9312286Sphk totalp = &total; 941541Srgrimes bzero(totalp, sizeof *totalp); 951541Srgrimes /* 961541Srgrimes * Mark all objects as inactive. 971541Srgrimes */ 9879224Sdillon GIANT_REQUIRED; 9995112Salc mtx_lock(&vm_object_list_mtx); 10071572Sjhb TAILQ_FOREACH(object, &vm_object_list, object_list) 10138517Sdfr vm_object_clear_flag(object, OBJ_ACTIVE); 10295112Salc mtx_unlock(&vm_object_list_mtx); 1031541Srgrimes /* 1041541Srgrimes * Calculate process statistics. 1051541Srgrimes */ 10674927Sjhb sx_slock(&allproc_lock); 10783366Sjulian FOREACH_PROC_IN_SYSTEM(p) { 1081541Srgrimes if (p->p_flag & P_SYSTEM) 1091541Srgrimes continue; 11072200Sbmilekic mtx_lock_spin(&sched_lock); 11199072Sjulian switch (p->p_state) { 11299072Sjulian case PRS_NEW: 11372200Sbmilekic mtx_unlock_spin(&sched_lock); 1141541Srgrimes continue; 1151541Srgrimes break; 11699072Sjulian default: 11799072Sjulian FOREACH_THREAD_IN_PROC(p, td) { 118103216Sjulian /* Need new statistics XXX */ 11999072Sjulian switch (td->td_state) { 120103216Sjulian case TDS_INHIBITED: 121103216Sjulian if (TD_ON_MUTEX(td) || 122103216Sjulian (td->td_inhibitors == 123103216Sjulian TDI_SWAPPED)) { 124103216Sjulian totalp->t_sw++; 125103216Sjulian } else if (TD_IS_SLEEPING(td) || 126103216Sjulian TD_AWAITING_INTR(td) || 127103216Sjulian TD_IS_SUSPENDED(td)) { 12899072Sjulian if (td->td_priority <= PZERO) 12999072Sjulian totalp->t_dw++; 130103216Sjulian else 13199072Sjulian totalp->t_sl++; 13299072Sjulian } 13399072Sjulian break; 1341541Srgrimes 135103216Sjulian case TDS_CAN_RUN: 136103216Sjulian totalp->t_sw++; 137103216Sjulian break; 13899072Sjulian case TDS_RUNQ: 13999072Sjulian case TDS_RUNNING: 140103216Sjulian totalp->t_rq++; 14199072Sjulian continue; 14299072Sjulian default: 14399072Sjulian break; 14499072Sjulian } 14571572Sjhb } 1461541Srgrimes } 14772200Sbmilekic mtx_unlock_spin(&sched_lock); 1481541Srgrimes /* 1491541Srgrimes * Note active objects. 1501541Srgrimes */ 1511541Srgrimes paging = 0; 1521541Srgrimes for (map = &p->p_vmspace->vm_map, entry = map->header.next; 1535455Sdg entry != &map->header; entry = entry->next) { 15443748Sdillon if ((entry->eflags & MAP_ENTRY_IS_SUB_MAP) || 1551541Srgrimes entry->object.vm_object == NULL) 1561541Srgrimes continue; 15738517Sdfr vm_object_set_flag(entry->object.vm_object, OBJ_ACTIVE); 1581541Srgrimes paging |= entry->object.vm_object->paging_in_progress; 1591541Srgrimes } 1601541Srgrimes if (paging) 1611541Srgrimes totalp->t_pw++; 1621541Srgrimes } 16374927Sjhb sx_sunlock(&allproc_lock); 1641541Srgrimes /* 1651541Srgrimes * Calculate object memory usage statistics. 1661541Srgrimes */ 16795112Salc mtx_lock(&vm_object_list_mtx); 16875523Salfred TAILQ_FOREACH(object, &vm_object_list, object_list) { 16942957Sdillon /* 17042957Sdillon * devices, like /dev/mem, will badly skew our totals 17142957Sdillon */ 17242957Sdillon if (object->type == OBJT_DEVICE) 17342957Sdillon continue; 17418169Sdyson totalp->t_vm += object->size; 1751541Srgrimes totalp->t_rm += object->resident_page_count; 1761541Srgrimes if (object->flags & OBJ_ACTIVE) { 17718169Sdyson totalp->t_avm += object->size; 1781541Srgrimes totalp->t_arm += object->resident_page_count; 1791541Srgrimes } 18018169Sdyson if (object->shadow_count > 1) { 1811541Srgrimes /* shared object */ 18218169Sdyson totalp->t_vmshr += object->size; 1831541Srgrimes totalp->t_rmshr += object->resident_page_count; 1841541Srgrimes if (object->flags & OBJ_ACTIVE) { 18518169Sdyson totalp->t_avmshr += object->size; 1861541Srgrimes totalp->t_armshr += object->resident_page_count; 1871541Srgrimes } 1881541Srgrimes } 1891541Srgrimes } 19095112Salc mtx_unlock(&vm_object_list_mtx); 1915455Sdg totalp->t_free = cnt.v_free_count + cnt.v_cache_count; 19212286Sphk return (sysctl_handle_opaque(oidp, totalp, sizeof total, req)); 1931541Srgrimes} 19412286Sphk 19593823Sdillon/* 19693823Sdillon * vcnt() - accumulate statistics from all cpus and the global cnt 19793823Sdillon * structure. 19893823Sdillon * 19993823Sdillon * The vmmeter structure is now per-cpu as well as global. Those 20093823Sdillon * statistics which can be kept on a per-cpu basis (to avoid cache 20193823Sdillon * stalls between cpus) can be moved to the per-cpu vmmeter. Remaining 20293823Sdillon * statistics, such as v_free_reserved, are left in the global 20393823Sdillon * structure. 20493823Sdillon * 20593823Sdillon * (sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req) 20693823Sdillon */ 20793823Sdillonstatic int 20893823Sdillonvcnt(SYSCTL_HANDLER_ARGS) 20993823Sdillon{ 21093823Sdillon int error = 0; 21193823Sdillon int count = *(int *)arg1; 21293823Sdillon#ifdef SMP 21393823Sdillon int i; 21493823Sdillon int offset = (char *)arg1 - (char *)&cnt; 21593823Sdillon 21693823Sdillon for (i = 0; i < mp_ncpus; ++i) { 21793823Sdillon struct pcpu *pcpu = pcpu_find(i); 21893823Sdillon count += *(int *)((char *)&pcpu->pc_cnt + offset); 21993823Sdillon } 22093823Sdillon#endif 22193823Sdillon error = SYSCTL_OUT(req, &count, sizeof(int)); 22293823Sdillon return(error); 22393823Sdillon} 22493823Sdillon 22512286SphkSYSCTL_PROC(_vm, VM_METER, vmmeter, CTLTYPE_OPAQUE|CTLFLAG_RD, 22646381Sbillf 0, sizeof(struct vmtotal), vmtotal, "S,vmtotal", 22746381Sbillf "System virtual memory statistics"); 22840794SpeterSYSCTL_NODE(_vm, OID_AUTO, stats, CTLFLAG_RW, 0, "VM meter stats"); 22940794SpeterSYSCTL_NODE(_vm_stats, OID_AUTO, sys, CTLFLAG_RW, 0, "VM meter sys stats"); 23040794SpeterSYSCTL_NODE(_vm_stats, OID_AUTO, vm, CTLFLAG_RW, 0, "VM meter vm stats"); 23140794SpeterSYSCTL_NODE(_vm_stats, OID_AUTO, misc, CTLFLAG_RW, 0, "VM meter misc stats"); 23293823Sdillon 23393823SdillonSYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_swtch, CTLTYPE_UINT|CTLFLAG_RD, 23493823Sdillon &cnt.v_swtch, 0, vcnt, "IU", "Context switches"); 23593823SdillonSYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_trap, CTLTYPE_UINT|CTLFLAG_RD, 23693823Sdillon &cnt.v_trap, 0, vcnt, "IU", "Traps"); 23793823SdillonSYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_syscall, CTLTYPE_UINT|CTLFLAG_RD, 23893823Sdillon &cnt.v_syscall, 0, vcnt, "IU", "Syscalls"); 23993823SdillonSYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_intr, CTLTYPE_UINT|CTLFLAG_RD, 24093823Sdillon &cnt.v_intr, 0, vcnt, "IU", "Hardware interrupts"); 24193823SdillonSYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_soft, CTLTYPE_UINT|CTLFLAG_RD, 24293823Sdillon &cnt.v_soft, 0, vcnt, "IU", "Software interrupts"); 24393823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vm_faults, CTLTYPE_UINT|CTLFLAG_RD, 24493823Sdillon &cnt.v_vm_faults, 0, vcnt, "IU", "VM faults"); 24593823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cow_faults, CTLTYPE_UINT|CTLFLAG_RD, 24693823Sdillon &cnt.v_cow_faults, 0, vcnt, "IU", "COW faults"); 24793823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cow_optim, CTLTYPE_UINT|CTLFLAG_RD, 24893823Sdillon &cnt.v_cow_optim, 0, vcnt, "IU", "Optimized COW faults"); 24993823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_zfod, CTLTYPE_UINT|CTLFLAG_RD, 25093823Sdillon &cnt.v_zfod, 0, vcnt, "IU", "Zero fill"); 25193823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_ozfod, CTLTYPE_UINT|CTLFLAG_RD, 25293823Sdillon &cnt.v_ozfod, 0, vcnt, "IU", "Optimized zero fill"); 25393823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_swapin, CTLTYPE_UINT|CTLFLAG_RD, 25493823Sdillon &cnt.v_swapin, 0, vcnt, "IU", "Swapin operations"); 25593823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_swapout, CTLTYPE_UINT|CTLFLAG_RD, 25693823Sdillon &cnt.v_swapout, 0, vcnt, "IU", "Swapout operations"); 25793823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_swappgsin, CTLTYPE_UINT|CTLFLAG_RD, 25893823Sdillon &cnt.v_swappgsin, 0, vcnt, "IU", "Swapin pages"); 25993823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_swappgsout, CTLTYPE_UINT|CTLFLAG_RD, 26093823Sdillon &cnt.v_swappgsout, 0, vcnt, "IU", "Swapout pages"); 26193823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vnodein, CTLTYPE_UINT|CTLFLAG_RD, 26293823Sdillon &cnt.v_vnodein, 0, vcnt, "IU", "Vnodein operations"); 26393823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vnodeout, CTLTYPE_UINT|CTLFLAG_RD, 26493823Sdillon &cnt.v_vnodeout, 0, vcnt, "IU", "Vnodeout operations"); 26593823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vnodepgsin, CTLTYPE_UINT|CTLFLAG_RD, 26693823Sdillon &cnt.v_vnodepgsin, 0, vcnt, "IU", "Vnodein pages"); 26793823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vnodepgsout, CTLTYPE_UINT|CTLFLAG_RD, 26893823Sdillon &cnt.v_vnodepgsout, 0, vcnt, "IU", "Vnodeout pages"); 26993823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_intrans, CTLTYPE_UINT|CTLFLAG_RD, 27093823Sdillon &cnt.v_intrans, 0, vcnt, "IU", "In transit page blocking"); 27193823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_reactivated, CTLTYPE_UINT|CTLFLAG_RD, 27293823Sdillon &cnt.v_reactivated, 0, vcnt, "IU", "Reactivated pages"); 27393823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pdwakeups, CTLTYPE_UINT|CTLFLAG_RD, 27493823Sdillon &cnt.v_pdwakeups, 0, vcnt, "IU", "Pagedaemon wakeups"); 27593823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pdpages, CTLTYPE_UINT|CTLFLAG_RD, 27693823Sdillon &cnt.v_pdpages, 0, vcnt, "IU", "Pagedaemon page scans"); 27793823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_dfree, CTLTYPE_UINT|CTLFLAG_RD, 27893823Sdillon &cnt.v_dfree, 0, vcnt, "IU", ""); 27993823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pfree, CTLTYPE_UINT|CTLFLAG_RD, 28093823Sdillon &cnt.v_pfree, 0, vcnt, "IU", ""); 28193823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_tfree, CTLTYPE_UINT|CTLFLAG_RD, 28293823Sdillon &cnt.v_tfree, 0, vcnt, "IU", ""); 28393823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_page_size, CTLTYPE_UINT|CTLFLAG_RD, 28493823Sdillon &cnt.v_page_size, 0, vcnt, "IU", ""); 28593823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_page_count, CTLTYPE_UINT|CTLFLAG_RD, 28693823Sdillon &cnt.v_page_count, 0, vcnt, "IU", ""); 28793823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_free_reserved, CTLTYPE_UINT|CTLFLAG_RD, 28893823Sdillon &cnt.v_free_reserved, 0, vcnt, "IU", ""); 28993823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_free_target, CTLTYPE_UINT|CTLFLAG_RD, 29093823Sdillon &cnt.v_free_target, 0, vcnt, "IU", ""); 29193823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_free_min, CTLTYPE_UINT|CTLFLAG_RD, 29293823Sdillon &cnt.v_free_min, 0, vcnt, "IU", ""); 29393823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_free_count, CTLTYPE_UINT|CTLFLAG_RD, 29493823Sdillon &cnt.v_free_count, 0, vcnt, "IU", ""); 29593823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_wire_count, CTLTYPE_UINT|CTLFLAG_RD, 29693823Sdillon &cnt.v_wire_count, 0, vcnt, "IU", ""); 29793823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_active_count, CTLTYPE_UINT|CTLFLAG_RD, 29893823Sdillon &cnt.v_active_count, 0, vcnt, "IU", ""); 29993823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_inactive_target, CTLTYPE_UINT|CTLFLAG_RD, 30093823Sdillon &cnt.v_inactive_target, 0, vcnt, "IU", ""); 30193823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_inactive_count, CTLTYPE_UINT|CTLFLAG_RD, 30293823Sdillon &cnt.v_inactive_count, 0, vcnt, "IU", ""); 30393823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cache_count, CTLTYPE_UINT|CTLFLAG_RD, 30493823Sdillon &cnt.v_cache_count, 0, vcnt, "IU", ""); 30593823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cache_min, CTLTYPE_UINT|CTLFLAG_RD, 30693823Sdillon &cnt.v_cache_min, 0, vcnt, "IU", ""); 30793823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cache_max, CTLTYPE_UINT|CTLFLAG_RD, 30893823Sdillon &cnt.v_cache_max, 0, vcnt, "IU", ""); 30993823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pageout_free_min, CTLTYPE_UINT|CTLFLAG_RD, 31093823Sdillon &cnt.v_pageout_free_min, 0, vcnt, "IU", ""); 31193823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_interrupt_free_min, CTLTYPE_UINT|CTLFLAG_RD, 31293823Sdillon &cnt.v_interrupt_free_min, 0, vcnt, "IU", ""); 31393823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_forks, CTLTYPE_UINT|CTLFLAG_RD, 31493823Sdillon &cnt.v_forks, 0, vcnt, "IU", "Number of fork() calls"); 31593823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vforks, CTLTYPE_UINT|CTLFLAG_RD, 31693823Sdillon &cnt.v_vforks, 0, vcnt, "IU", "Number of vfork() calls"); 31793823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_rforks, CTLTYPE_UINT|CTLFLAG_RD, 31893823Sdillon &cnt.v_rforks, 0, vcnt, "IU", "Number of rfork() calls"); 31993823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_kthreads, CTLTYPE_UINT|CTLFLAG_RD, 32093823Sdillon &cnt.v_kthreads, 0, vcnt, "IU", "Number of fork() calls by kernel"); 32193823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_forkpages, CTLTYPE_UINT|CTLFLAG_RD, 32293823Sdillon &cnt.v_forkpages, 0, vcnt, "IU", "VM pages affected by fork()"); 32393823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vforkpages, CTLTYPE_UINT|CTLFLAG_RD, 32493823Sdillon &cnt.v_vforkpages, 0, vcnt, "IU", "VM pages affected by vfork()"); 32593823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_rforkpages, CTLTYPE_UINT|CTLFLAG_RD, 32693823Sdillon &cnt.v_rforkpages, 0, vcnt, "IU", "VM pages affected by rfork()"); 32793823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_kthreadpages, CTLTYPE_UINT|CTLFLAG_RD, 32893823Sdillon &cnt.v_kthreadpages, 0, vcnt, "IU", "VM pages affected by fork() by kernel"); 32993823Sdillon 33040794SpeterSYSCTL_INT(_vm_stats_misc, OID_AUTO, 33140794Speter zero_page_count, CTLFLAG_RD, &vm_page_zero_count, 0, ""); 33240794Speter#if 0 33340794SpeterSYSCTL_INT(_vm_stats_misc, OID_AUTO, 33440794Speter page_mask, CTLFLAG_RD, &page_mask, 0, ""); 33540794SpeterSYSCTL_INT(_vm_stats_misc, OID_AUTO, 33640794Speter page_shift, CTLFLAG_RD, &page_shift, 0, ""); 33740794SpeterSYSCTL_INT(_vm_stats_misc, OID_AUTO, 33840794Speter first_page, CTLFLAG_RD, &first_page, 0, ""); 33940794SpeterSYSCTL_INT(_vm_stats_misc, OID_AUTO, 34040794Speter last_page, CTLFLAG_RD, &last_page, 0, ""); 34140794SpeterSYSCTL_INT(_vm_stats_misc, OID_AUTO, 34240794Speter vm_page_bucket_count, CTLFLAG_RD, &vm_page_bucket_count, 0, ""); 34340794SpeterSYSCTL_INT(_vm_stats_misc, OID_AUTO, 34440794Speter vm_page_hash_mask, CTLFLAG_RD, &vm_page_hash_mask, 0, ""); 34540794Speter#endif 346