vm_meter.c revision 164429
1139825Simp/*- 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 * 4. Neither the name of the University nor the names of its contributors 141541Srgrimes * may be used to endorse or promote products derived from this software 151541Srgrimes * without specific prior written permission. 161541Srgrimes * 171541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 181541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 191541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 201541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 211541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 221541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 231541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 241541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 251541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 261541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 271541Srgrimes * SUCH DAMAGE. 281541Srgrimes * 291541Srgrimes * @(#)vm_meter.c 8.4 (Berkeley) 1/4/94 301541Srgrimes */ 311541Srgrimes 32116226Sobrien#include <sys/cdefs.h> 33116226Sobrien__FBSDID("$FreeBSD: head/sys/vm/vm_meter.c 164429 2006-11-20 00:16:00Z ru $"); 34116226Sobrien 351541Srgrimes#include <sys/param.h> 361541Srgrimes#include <sys/systm.h> 371541Srgrimes#include <sys/kernel.h> 3876166Smarkm#include <sys/lock.h> 3976166Smarkm#include <sys/mutex.h> 4076166Smarkm#include <sys/proc.h> 4134924Sbde#include <sys/resource.h> 4274927Sjhb#include <sys/sx.h> 4312662Sdg#include <sys/vmmeter.h> 4493823Sdillon#include <sys/smp.h> 4512662Sdg 461541Srgrimes#include <vm/vm.h> 4740794Speter#include <vm/vm_page.h> 4812726Sbde#include <vm/vm_extern.h> 4912662Sdg#include <vm/vm_param.h> 5012662Sdg#include <vm/pmap.h> 5112662Sdg#include <vm/vm_map.h> 5212662Sdg#include <vm/vm_object.h> 531541Srgrimes#include <sys/sysctl.h> 541541Srgrimes 559759Sbdestruct vmmeter cnt; 561541Srgrimes 5776778Sjhbint maxslp = MAXSLP; 581541Srgrimes 5962622SjhbSYSCTL_UINT(_vm, VM_V_FREE_MIN, v_free_min, 6012286Sphk CTLFLAG_RW, &cnt.v_free_min, 0, ""); 6162622SjhbSYSCTL_UINT(_vm, VM_V_FREE_TARGET, v_free_target, 6212286Sphk CTLFLAG_RW, &cnt.v_free_target, 0, ""); 6362622SjhbSYSCTL_UINT(_vm, VM_V_FREE_RESERVED, v_free_reserved, 6412286Sphk CTLFLAG_RW, &cnt.v_free_reserved, 0, ""); 6562622SjhbSYSCTL_UINT(_vm, VM_V_INACTIVE_TARGET, v_inactive_target, 6612286Sphk CTLFLAG_RW, &cnt.v_inactive_target, 0, ""); 6762622SjhbSYSCTL_UINT(_vm, VM_V_CACHE_MIN, v_cache_min, 6812286Sphk CTLFLAG_RW, &cnt.v_cache_min, 0, ""); 6962622SjhbSYSCTL_UINT(_vm, VM_V_CACHE_MAX, v_cache_max, 7012286Sphk CTLFLAG_RW, &cnt.v_cache_max, 0, ""); 7162622SjhbSYSCTL_UINT(_vm, VM_V_PAGEOUT_FREE_MIN, v_pageout_free_min, 7212286Sphk CTLFLAG_RW, &cnt.v_pageout_free_min, 0, ""); 7362622SjhbSYSCTL_UINT(_vm, OID_AUTO, v_free_severe, 7451337Sdillon CTLFLAG_RW, &cnt.v_free_severe, 0, ""); 7512286Sphk 76136404Speterstatic int 77136404Spetersysctl_vm_loadavg(SYSCTL_HANDLER_ARGS) 78136404Speter{ 79136404Speter#ifdef SCTL_MASK32 80136404Speter u_int32_t la[4]; 811541Srgrimes 82136404Speter if (req->flags & SCTL_MASK32) { 83136404Speter la[0] = averunnable.ldavg[0]; 84136404Speter la[1] = averunnable.ldavg[1]; 85136404Speter la[2] = averunnable.ldavg[2]; 86136404Speter la[3] = averunnable.fscale; 87136404Speter return SYSCTL_OUT(req, la, sizeof(la)); 88136404Speter } else 89136404Speter#endif 90136404Speter return SYSCTL_OUT(req, &averunnable, sizeof(averunnable)); 91136404Speter} 92136404SpeterSYSCTL_PROC(_vm, VM_LOADAVG, loadavg, CTLTYPE_STRUCT|CTLFLAG_RD, 93136404Speter NULL, 0, sysctl_vm_loadavg, "S,loadavg", "Machine loadaverage history"); 94136404Speter 9512286Sphkstatic int 9662573Sphkvmtotal(SYSCTL_HANDLER_ARGS) 971541Srgrimes{ 9899072Sjulian/* XXXKSE almost completely broken */ 9912286Sphk struct proc *p; 10012286Sphk struct vmtotal total, *totalp; 10112286Sphk vm_map_entry_t entry; 10212286Sphk vm_object_t object; 10312286Sphk vm_map_t map; 1041541Srgrimes int paging; 10599072Sjulian struct thread *td; 106159054Stegge struct vmspace *vm; 1071541Srgrimes 10812286Sphk totalp = &total; 1091541Srgrimes bzero(totalp, sizeof *totalp); 1101541Srgrimes /* 1111541Srgrimes * Mark all objects as inactive. 1121541Srgrimes */ 11379224Sdillon GIANT_REQUIRED; 11495112Salc mtx_lock(&vm_object_list_mtx); 115108551Salc TAILQ_FOREACH(object, &vm_object_list, object_list) { 116124083Salc if (!VM_OBJECT_TRYLOCK(object)) { 117124083Salc /* 118124083Salc * Avoid a lock-order reversal. Consequently, 119124083Salc * the reported number of active pages may be 120124083Salc * greater than the actual number. 121124083Salc */ 122124083Salc continue; 123124083Salc } 12438517Sdfr vm_object_clear_flag(object, OBJ_ACTIVE); 125113448Salc VM_OBJECT_UNLOCK(object); 126108551Salc } 12795112Salc mtx_unlock(&vm_object_list_mtx); 1281541Srgrimes /* 1291541Srgrimes * Calculate process statistics. 1301541Srgrimes */ 13174927Sjhb sx_slock(&allproc_lock); 13283366Sjulian FOREACH_PROC_IN_SYSTEM(p) { 1331541Srgrimes if (p->p_flag & P_SYSTEM) 1341541Srgrimes continue; 13572200Sbmilekic mtx_lock_spin(&sched_lock); 13699072Sjulian switch (p->p_state) { 13799072Sjulian case PRS_NEW: 13872200Sbmilekic mtx_unlock_spin(&sched_lock); 1391541Srgrimes continue; 1401541Srgrimes break; 14199072Sjulian default: 14299072Sjulian FOREACH_THREAD_IN_PROC(p, td) { 143103216Sjulian /* Need new statistics XXX */ 14499072Sjulian switch (td->td_state) { 145103216Sjulian case TDS_INHIBITED: 146104387Sjhb if (TD_ON_LOCK(td) || 147103216Sjulian (td->td_inhibitors == 148103216Sjulian TDI_SWAPPED)) { 149103216Sjulian totalp->t_sw++; 150103216Sjulian } else if (TD_IS_SLEEPING(td) || 151103216Sjulian TD_AWAITING_INTR(td) || 152103216Sjulian TD_IS_SUSPENDED(td)) { 15399072Sjulian if (td->td_priority <= PZERO) 15499072Sjulian totalp->t_dw++; 155103216Sjulian else 15699072Sjulian totalp->t_sl++; 15799072Sjulian } 15899072Sjulian break; 1591541Srgrimes 160103216Sjulian case TDS_CAN_RUN: 161103216Sjulian totalp->t_sw++; 162103216Sjulian break; 16399072Sjulian case TDS_RUNQ: 16499072Sjulian case TDS_RUNNING: 165103216Sjulian totalp->t_rq++; 16699072Sjulian continue; 16799072Sjulian default: 16899072Sjulian break; 16999072Sjulian } 17071572Sjhb } 1711541Srgrimes } 17272200Sbmilekic mtx_unlock_spin(&sched_lock); 1731541Srgrimes /* 1741541Srgrimes * Note active objects. 1751541Srgrimes */ 1761541Srgrimes paging = 0; 177159054Stegge vm = vmspace_acquire_ref(p); 178159054Stegge if (vm == NULL) 179159054Stegge continue; 180159054Stegge map = &vm->vm_map; 181108585Salc vm_map_lock_read(map); 182108585Salc for (entry = map->header.next; 1835455Sdg entry != &map->header; entry = entry->next) { 18443748Sdillon if ((entry->eflags & MAP_ENTRY_IS_SUB_MAP) || 185108585Salc (object = entry->object.vm_object) == NULL) 1861541Srgrimes continue; 187113448Salc VM_OBJECT_LOCK(object); 188108585Salc vm_object_set_flag(object, OBJ_ACTIVE); 189108585Salc paging |= object->paging_in_progress; 190113448Salc VM_OBJECT_UNLOCK(object); 1911541Srgrimes } 192108585Salc vm_map_unlock_read(map); 193159054Stegge vmspace_free(vm); 1941541Srgrimes if (paging) 1951541Srgrimes totalp->t_pw++; 1961541Srgrimes } 19774927Sjhb sx_sunlock(&allproc_lock); 1981541Srgrimes /* 1991541Srgrimes * Calculate object memory usage statistics. 2001541Srgrimes */ 20195112Salc mtx_lock(&vm_object_list_mtx); 20275523Salfred TAILQ_FOREACH(object, &vm_object_list, object_list) { 20342957Sdillon /* 204124083Salc * Perform unsynchronized reads on the object to avoid 205124083Salc * a lock-order reversal. In this case, the lack of 206124083Salc * synchronization should not impair the accuracy of 207124083Salc * the reported statistics. 20842957Sdillon */ 209108585Salc if (object->type == OBJT_DEVICE) { 210124083Salc /* 211124083Salc * Devices, like /dev/mem, will badly skew our totals. 212124083Salc */ 21342957Sdillon continue; 214108585Salc } 215164429Sru if (object->ref_count == 0) { 216164429Sru /* 217164429Sru * Also skip unreferenced objects, including 218164429Sru * vnodes representing mounted file systems. 219164429Sru */ 220164429Sru continue; 221164429Sru } 22218169Sdyson totalp->t_vm += object->size; 2231541Srgrimes totalp->t_rm += object->resident_page_count; 2241541Srgrimes if (object->flags & OBJ_ACTIVE) { 22518169Sdyson totalp->t_avm += object->size; 2261541Srgrimes totalp->t_arm += object->resident_page_count; 2271541Srgrimes } 22818169Sdyson if (object->shadow_count > 1) { 2291541Srgrimes /* shared object */ 23018169Sdyson totalp->t_vmshr += object->size; 2311541Srgrimes totalp->t_rmshr += object->resident_page_count; 2321541Srgrimes if (object->flags & OBJ_ACTIVE) { 23318169Sdyson totalp->t_avmshr += object->size; 2341541Srgrimes totalp->t_armshr += object->resident_page_count; 2351541Srgrimes } 2361541Srgrimes } 2371541Srgrimes } 23895112Salc mtx_unlock(&vm_object_list_mtx); 2395455Sdg totalp->t_free = cnt.v_free_count + cnt.v_cache_count; 24012286Sphk return (sysctl_handle_opaque(oidp, totalp, sizeof total, req)); 2411541Srgrimes} 24212286Sphk 24393823Sdillon/* 24493823Sdillon * vcnt() - accumulate statistics from all cpus and the global cnt 24593823Sdillon * structure. 24693823Sdillon * 24793823Sdillon * The vmmeter structure is now per-cpu as well as global. Those 24893823Sdillon * statistics which can be kept on a per-cpu basis (to avoid cache 24993823Sdillon * stalls between cpus) can be moved to the per-cpu vmmeter. Remaining 25093823Sdillon * statistics, such as v_free_reserved, are left in the global 25193823Sdillon * structure. 25293823Sdillon * 25393823Sdillon * (sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req) 25493823Sdillon */ 25593823Sdillonstatic int 25693823Sdillonvcnt(SYSCTL_HANDLER_ARGS) 25793823Sdillon{ 25893823Sdillon int count = *(int *)arg1; 259144970Sjhb int offset = (char *)arg1 - (char *)&cnt; 26093823Sdillon#ifdef SMP 26193823Sdillon int i; 26293823Sdillon 26393823Sdillon for (i = 0; i < mp_ncpus; ++i) { 26493823Sdillon struct pcpu *pcpu = pcpu_find(i); 26593823Sdillon count += *(int *)((char *)&pcpu->pc_cnt + offset); 26693823Sdillon } 267108171Sdillon#else 268108171Sdillon count += *(int *)((char *)PCPU_PTR(cnt) + offset); 26993823Sdillon#endif 270144970Sjhb return (SYSCTL_OUT(req, &count, sizeof(int))); 27193823Sdillon} 27293823Sdillon 273109097SdillonSYSCTL_PROC(_vm, VM_TOTAL, vmtotal, CTLTYPE_OPAQUE|CTLFLAG_RD, 27446381Sbillf 0, sizeof(struct vmtotal), vmtotal, "S,vmtotal", 27546381Sbillf "System virtual memory statistics"); 276141696SphkSYSCTL_NODE(_vm, OID_AUTO, stats, CTLFLAG_RW, 0, "VM meter stats"); 277141630Sphkstatic SYSCTL_NODE(_vm_stats, OID_AUTO, sys, CTLFLAG_RW, 0, 278141630Sphk "VM meter sys stats"); 279141630Sphkstatic SYSCTL_NODE(_vm_stats, OID_AUTO, vm, CTLFLAG_RW, 0, 280141630Sphk "VM meter vm stats"); 28140794SpeterSYSCTL_NODE(_vm_stats, OID_AUTO, misc, CTLFLAG_RW, 0, "VM meter misc stats"); 28293823Sdillon 28393823SdillonSYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_swtch, CTLTYPE_UINT|CTLFLAG_RD, 28493823Sdillon &cnt.v_swtch, 0, vcnt, "IU", "Context switches"); 28593823SdillonSYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_trap, CTLTYPE_UINT|CTLFLAG_RD, 28693823Sdillon &cnt.v_trap, 0, vcnt, "IU", "Traps"); 28793823SdillonSYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_syscall, CTLTYPE_UINT|CTLFLAG_RD, 28893823Sdillon &cnt.v_syscall, 0, vcnt, "IU", "Syscalls"); 28993823SdillonSYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_intr, CTLTYPE_UINT|CTLFLAG_RD, 29093823Sdillon &cnt.v_intr, 0, vcnt, "IU", "Hardware interrupts"); 29193823SdillonSYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_soft, CTLTYPE_UINT|CTLFLAG_RD, 29293823Sdillon &cnt.v_soft, 0, vcnt, "IU", "Software interrupts"); 29393823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vm_faults, CTLTYPE_UINT|CTLFLAG_RD, 29493823Sdillon &cnt.v_vm_faults, 0, vcnt, "IU", "VM faults"); 29593823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cow_faults, CTLTYPE_UINT|CTLFLAG_RD, 29693823Sdillon &cnt.v_cow_faults, 0, vcnt, "IU", "COW faults"); 29793823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cow_optim, CTLTYPE_UINT|CTLFLAG_RD, 29893823Sdillon &cnt.v_cow_optim, 0, vcnt, "IU", "Optimized COW faults"); 29993823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_zfod, CTLTYPE_UINT|CTLFLAG_RD, 30093823Sdillon &cnt.v_zfod, 0, vcnt, "IU", "Zero fill"); 30193823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_ozfod, CTLTYPE_UINT|CTLFLAG_RD, 30293823Sdillon &cnt.v_ozfod, 0, vcnt, "IU", "Optimized zero fill"); 30393823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_swapin, CTLTYPE_UINT|CTLFLAG_RD, 30493823Sdillon &cnt.v_swapin, 0, vcnt, "IU", "Swapin operations"); 30593823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_swapout, CTLTYPE_UINT|CTLFLAG_RD, 30693823Sdillon &cnt.v_swapout, 0, vcnt, "IU", "Swapout operations"); 30793823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_swappgsin, CTLTYPE_UINT|CTLFLAG_RD, 30893823Sdillon &cnt.v_swappgsin, 0, vcnt, "IU", "Swapin pages"); 30993823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_swappgsout, CTLTYPE_UINT|CTLFLAG_RD, 31093823Sdillon &cnt.v_swappgsout, 0, vcnt, "IU", "Swapout pages"); 31193823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vnodein, CTLTYPE_UINT|CTLFLAG_RD, 31293823Sdillon &cnt.v_vnodein, 0, vcnt, "IU", "Vnodein operations"); 31393823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vnodeout, CTLTYPE_UINT|CTLFLAG_RD, 31493823Sdillon &cnt.v_vnodeout, 0, vcnt, "IU", "Vnodeout operations"); 31593823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vnodepgsin, CTLTYPE_UINT|CTLFLAG_RD, 31693823Sdillon &cnt.v_vnodepgsin, 0, vcnt, "IU", "Vnodein pages"); 31793823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vnodepgsout, CTLTYPE_UINT|CTLFLAG_RD, 31893823Sdillon &cnt.v_vnodepgsout, 0, vcnt, "IU", "Vnodeout pages"); 31993823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_intrans, CTLTYPE_UINT|CTLFLAG_RD, 32093823Sdillon &cnt.v_intrans, 0, vcnt, "IU", "In transit page blocking"); 32193823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_reactivated, CTLTYPE_UINT|CTLFLAG_RD, 32293823Sdillon &cnt.v_reactivated, 0, vcnt, "IU", "Reactivated pages"); 32393823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pdwakeups, CTLTYPE_UINT|CTLFLAG_RD, 32493823Sdillon &cnt.v_pdwakeups, 0, vcnt, "IU", "Pagedaemon wakeups"); 32593823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pdpages, CTLTYPE_UINT|CTLFLAG_RD, 32693823Sdillon &cnt.v_pdpages, 0, vcnt, "IU", "Pagedaemon page scans"); 32793823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_dfree, CTLTYPE_UINT|CTLFLAG_RD, 32893823Sdillon &cnt.v_dfree, 0, vcnt, "IU", ""); 32993823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pfree, CTLTYPE_UINT|CTLFLAG_RD, 33093823Sdillon &cnt.v_pfree, 0, vcnt, "IU", ""); 33193823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_tfree, CTLTYPE_UINT|CTLFLAG_RD, 33293823Sdillon &cnt.v_tfree, 0, vcnt, "IU", ""); 33393823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_page_size, CTLTYPE_UINT|CTLFLAG_RD, 33493823Sdillon &cnt.v_page_size, 0, vcnt, "IU", ""); 33593823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_page_count, CTLTYPE_UINT|CTLFLAG_RD, 33693823Sdillon &cnt.v_page_count, 0, vcnt, "IU", ""); 33793823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_free_reserved, CTLTYPE_UINT|CTLFLAG_RD, 33893823Sdillon &cnt.v_free_reserved, 0, vcnt, "IU", ""); 33993823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_free_target, CTLTYPE_UINT|CTLFLAG_RD, 34093823Sdillon &cnt.v_free_target, 0, vcnt, "IU", ""); 34193823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_free_min, CTLTYPE_UINT|CTLFLAG_RD, 34293823Sdillon &cnt.v_free_min, 0, vcnt, "IU", ""); 34393823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_free_count, CTLTYPE_UINT|CTLFLAG_RD, 34493823Sdillon &cnt.v_free_count, 0, vcnt, "IU", ""); 34593823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_wire_count, CTLTYPE_UINT|CTLFLAG_RD, 34693823Sdillon &cnt.v_wire_count, 0, vcnt, "IU", ""); 34793823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_active_count, CTLTYPE_UINT|CTLFLAG_RD, 34893823Sdillon &cnt.v_active_count, 0, vcnt, "IU", ""); 34993823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_inactive_target, CTLTYPE_UINT|CTLFLAG_RD, 35093823Sdillon &cnt.v_inactive_target, 0, vcnt, "IU", ""); 35193823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_inactive_count, CTLTYPE_UINT|CTLFLAG_RD, 35293823Sdillon &cnt.v_inactive_count, 0, vcnt, "IU", ""); 35393823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cache_count, CTLTYPE_UINT|CTLFLAG_RD, 35493823Sdillon &cnt.v_cache_count, 0, vcnt, "IU", ""); 35593823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cache_min, CTLTYPE_UINT|CTLFLAG_RD, 35693823Sdillon &cnt.v_cache_min, 0, vcnt, "IU", ""); 35793823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cache_max, CTLTYPE_UINT|CTLFLAG_RD, 35893823Sdillon &cnt.v_cache_max, 0, vcnt, "IU", ""); 35993823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pageout_free_min, CTLTYPE_UINT|CTLFLAG_RD, 36093823Sdillon &cnt.v_pageout_free_min, 0, vcnt, "IU", ""); 36193823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_interrupt_free_min, CTLTYPE_UINT|CTLFLAG_RD, 36293823Sdillon &cnt.v_interrupt_free_min, 0, vcnt, "IU", ""); 36393823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_forks, CTLTYPE_UINT|CTLFLAG_RD, 36493823Sdillon &cnt.v_forks, 0, vcnt, "IU", "Number of fork() calls"); 36593823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vforks, CTLTYPE_UINT|CTLFLAG_RD, 36693823Sdillon &cnt.v_vforks, 0, vcnt, "IU", "Number of vfork() calls"); 36793823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_rforks, CTLTYPE_UINT|CTLFLAG_RD, 36893823Sdillon &cnt.v_rforks, 0, vcnt, "IU", "Number of rfork() calls"); 36993823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_kthreads, CTLTYPE_UINT|CTLFLAG_RD, 37093823Sdillon &cnt.v_kthreads, 0, vcnt, "IU", "Number of fork() calls by kernel"); 37193823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_forkpages, CTLTYPE_UINT|CTLFLAG_RD, 37293823Sdillon &cnt.v_forkpages, 0, vcnt, "IU", "VM pages affected by fork()"); 37393823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vforkpages, CTLTYPE_UINT|CTLFLAG_RD, 37493823Sdillon &cnt.v_vforkpages, 0, vcnt, "IU", "VM pages affected by vfork()"); 37593823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_rforkpages, CTLTYPE_UINT|CTLFLAG_RD, 37693823Sdillon &cnt.v_rforkpages, 0, vcnt, "IU", "VM pages affected by rfork()"); 37793823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_kthreadpages, CTLTYPE_UINT|CTLFLAG_RD, 37893823Sdillon &cnt.v_kthreadpages, 0, vcnt, "IU", "VM pages affected by fork() by kernel"); 37993823Sdillon 38040794SpeterSYSCTL_INT(_vm_stats_misc, OID_AUTO, 38140794Speter zero_page_count, CTLFLAG_RD, &vm_page_zero_count, 0, ""); 38240794Speter#if 0 38340794SpeterSYSCTL_INT(_vm_stats_misc, OID_AUTO, 38440794Speter page_mask, CTLFLAG_RD, &page_mask, 0, ""); 38540794SpeterSYSCTL_INT(_vm_stats_misc, OID_AUTO, 38640794Speter page_shift, CTLFLAG_RD, &page_shift, 0, ""); 38740794SpeterSYSCTL_INT(_vm_stats_misc, OID_AUTO, 38840794Speter first_page, CTLFLAG_RD, &first_page, 0, ""); 38940794SpeterSYSCTL_INT(_vm_stats_misc, OID_AUTO, 39040794Speter last_page, CTLFLAG_RD, &last_page, 0, ""); 39140794Speter#endif 392