vm_meter.c revision 181887
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 181887 2008-08-20 01:05:56Z julian $"); 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 55170170Sattiliostruct vmmeter cnt; 561541Srgrimes 5776778Sjhbint maxslp = MAXSLP; 581541Srgrimes 5962622SjhbSYSCTL_UINT(_vm, VM_V_FREE_MIN, v_free_min, 60170170Sattilio CTLFLAG_RW, &cnt.v_free_min, 0, ""); 6162622SjhbSYSCTL_UINT(_vm, VM_V_FREE_TARGET, v_free_target, 62170170Sattilio CTLFLAG_RW, &cnt.v_free_target, 0, ""); 6362622SjhbSYSCTL_UINT(_vm, VM_V_FREE_RESERVED, v_free_reserved, 64170170Sattilio CTLFLAG_RW, &cnt.v_free_reserved, 0, ""); 6562622SjhbSYSCTL_UINT(_vm, VM_V_INACTIVE_TARGET, v_inactive_target, 66170170Sattilio CTLFLAG_RW, &cnt.v_inactive_target, 0, ""); 6762622SjhbSYSCTL_UINT(_vm, VM_V_CACHE_MIN, v_cache_min, 68170170Sattilio CTLFLAG_RW, &cnt.v_cache_min, 0, ""); 6962622SjhbSYSCTL_UINT(_vm, VM_V_CACHE_MAX, v_cache_max, 70170170Sattilio CTLFLAG_RW, &cnt.v_cache_max, 0, ""); 7162622SjhbSYSCTL_UINT(_vm, VM_V_PAGEOUT_FREE_MIN, v_pageout_free_min, 72170170Sattilio CTLFLAG_RW, &cnt.v_pageout_free_min, 0, ""); 7362622SjhbSYSCTL_UINT(_vm, OID_AUTO, v_free_severe, 74170170Sattilio CTLFLAG_RW, &cnt.v_free_severe, 0, ""); 7512286Sphk 76136404Speterstatic int 77136404Spetersysctl_vm_loadavg(SYSCTL_HANDLER_ARGS) 78136404Speter{ 79181887Sjulian 80136404Speter#ifdef SCTL_MASK32 81136404Speter u_int32_t la[4]; 821541Srgrimes 83136404Speter if (req->flags & SCTL_MASK32) { 84136404Speter la[0] = averunnable.ldavg[0]; 85136404Speter la[1] = averunnable.ldavg[1]; 86136404Speter la[2] = averunnable.ldavg[2]; 87136404Speter la[3] = averunnable.fscale; 88136404Speter return SYSCTL_OUT(req, la, sizeof(la)); 89136404Speter } else 90136404Speter#endif 91136404Speter return SYSCTL_OUT(req, &averunnable, sizeof(averunnable)); 92136404Speter} 93136404SpeterSYSCTL_PROC(_vm, VM_LOADAVG, loadavg, CTLTYPE_STRUCT|CTLFLAG_RD, 94136404Speter NULL, 0, sysctl_vm_loadavg, "S,loadavg", "Machine loadaverage history"); 95136404Speter 9612286Sphkstatic int 9762573Sphkvmtotal(SYSCTL_HANDLER_ARGS) 981541Srgrimes{ 9912286Sphk struct proc *p; 100164437Sru struct vmtotal total; 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 108164437Sru bzero(&total, sizeof(total)); 1091541Srgrimes /* 1101541Srgrimes * Mark all objects as inactive. 1111541Srgrimes */ 11279224Sdillon GIANT_REQUIRED; 11395112Salc mtx_lock(&vm_object_list_mtx); 114108551Salc TAILQ_FOREACH(object, &vm_object_list, object_list) { 115124083Salc if (!VM_OBJECT_TRYLOCK(object)) { 116124083Salc /* 117124083Salc * Avoid a lock-order reversal. Consequently, 118124083Salc * the reported number of active pages may be 119124083Salc * greater than the actual number. 120124083Salc */ 121124083Salc continue; 122124083Salc } 12338517Sdfr vm_object_clear_flag(object, OBJ_ACTIVE); 124113448Salc VM_OBJECT_UNLOCK(object); 125108551Salc } 12695112Salc mtx_unlock(&vm_object_list_mtx); 1271541Srgrimes /* 1281541Srgrimes * Calculate process statistics. 1291541Srgrimes */ 13074927Sjhb sx_slock(&allproc_lock); 13183366Sjulian FOREACH_PROC_IN_SYSTEM(p) { 1321541Srgrimes if (p->p_flag & P_SYSTEM) 1331541Srgrimes continue; 134177368Sjeff PROC_LOCK(p); 135170307Sjeff PROC_SLOCK(p); 13699072Sjulian switch (p->p_state) { 13799072Sjulian case PRS_NEW: 138170307Sjeff PROC_SUNLOCK(p); 139177368Sjeff PROC_UNLOCK(p); 1401541Srgrimes continue; 1411541Srgrimes break; 14299072Sjulian default: 143177368Sjeff PROC_SUNLOCK(p); 14499072Sjulian FOREACH_THREAD_IN_PROC(p, td) { 145170307Sjeff thread_lock(td); 14699072Sjulian switch (td->td_state) { 147103216Sjulian case TDS_INHIBITED: 148177085Sjeff if (TD_IS_SWAPPED(td)) 149164437Sru total.t_sw++; 150177085Sjeff else if (TD_IS_SLEEPING(td) && 151177085Sjeff td->td_priority <= PZERO) 152177085Sjeff total.t_dw++; 153177085Sjeff else 154177085Sjeff total.t_sl++; 15599072Sjulian break; 1561541Srgrimes 157103216Sjulian case TDS_CAN_RUN: 158164437Sru total.t_sw++; 159103216Sjulian break; 16099072Sjulian case TDS_RUNQ: 16199072Sjulian case TDS_RUNNING: 162164437Sru total.t_rq++; 163170307Sjeff thread_unlock(td); 16499072Sjulian continue; 16599072Sjulian default: 16699072Sjulian break; 16799072Sjulian } 168170307Sjeff thread_unlock(td); 16971572Sjhb } 1701541Srgrimes } 171177368Sjeff PROC_UNLOCK(p); 1721541Srgrimes /* 1731541Srgrimes * Note active objects. 1741541Srgrimes */ 1751541Srgrimes paging = 0; 176159054Stegge vm = vmspace_acquire_ref(p); 177159054Stegge if (vm == NULL) 178159054Stegge continue; 179159054Stegge map = &vm->vm_map; 180108585Salc vm_map_lock_read(map); 181108585Salc for (entry = map->header.next; 1825455Sdg entry != &map->header; entry = entry->next) { 18343748Sdillon if ((entry->eflags & MAP_ENTRY_IS_SUB_MAP) || 184108585Salc (object = entry->object.vm_object) == NULL) 1851541Srgrimes continue; 186113448Salc VM_OBJECT_LOCK(object); 187108585Salc vm_object_set_flag(object, OBJ_ACTIVE); 188108585Salc paging |= object->paging_in_progress; 189113448Salc VM_OBJECT_UNLOCK(object); 1901541Srgrimes } 191108585Salc vm_map_unlock_read(map); 192159054Stegge vmspace_free(vm); 1931541Srgrimes if (paging) 194164437Sru total.t_pw++; 1951541Srgrimes } 19674927Sjhb sx_sunlock(&allproc_lock); 1971541Srgrimes /* 1981541Srgrimes * Calculate object memory usage statistics. 1991541Srgrimes */ 20095112Salc mtx_lock(&vm_object_list_mtx); 20175523Salfred TAILQ_FOREACH(object, &vm_object_list, object_list) { 20242957Sdillon /* 203124083Salc * Perform unsynchronized reads on the object to avoid 204124083Salc * a lock-order reversal. In this case, the lack of 205124083Salc * synchronization should not impair the accuracy of 206124083Salc * the reported statistics. 20742957Sdillon */ 208108585Salc if (object->type == OBJT_DEVICE) { 209124083Salc /* 210124083Salc * Devices, like /dev/mem, will badly skew our totals. 211124083Salc */ 21242957Sdillon continue; 213108585Salc } 214164429Sru if (object->ref_count == 0) { 215164429Sru /* 216164429Sru * Also skip unreferenced objects, including 217164429Sru * vnodes representing mounted file systems. 218164429Sru */ 219164429Sru continue; 220164429Sru } 221164437Sru total.t_vm += object->size; 222164437Sru total.t_rm += object->resident_page_count; 2231541Srgrimes if (object->flags & OBJ_ACTIVE) { 224164437Sru total.t_avm += object->size; 225164437Sru total.t_arm += object->resident_page_count; 2261541Srgrimes } 22718169Sdyson if (object->shadow_count > 1) { 2281541Srgrimes /* shared object */ 229164437Sru total.t_vmshr += object->size; 230164437Sru total.t_rmshr += object->resident_page_count; 2311541Srgrimes if (object->flags & OBJ_ACTIVE) { 232164437Sru total.t_avmshr += object->size; 233164437Sru total.t_armshr += object->resident_page_count; 2341541Srgrimes } 2351541Srgrimes } 2361541Srgrimes } 23795112Salc mtx_unlock(&vm_object_list_mtx); 238170170Sattilio total.t_free = cnt.v_free_count + cnt.v_cache_count; 239164437Sru return (sysctl_handle_opaque(oidp, &total, sizeof(total), req)); 2401541Srgrimes} 24112286Sphk 24293823Sdillon/* 24393823Sdillon * vcnt() - accumulate statistics from all cpus and the global cnt 24493823Sdillon * structure. 24593823Sdillon * 24693823Sdillon * The vmmeter structure is now per-cpu as well as global. Those 24793823Sdillon * statistics which can be kept on a per-cpu basis (to avoid cache 24893823Sdillon * stalls between cpus) can be moved to the per-cpu vmmeter. Remaining 24993823Sdillon * statistics, such as v_free_reserved, are left in the global 25093823Sdillon * structure. 25193823Sdillon * 25293823Sdillon * (sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req) 25393823Sdillon */ 25493823Sdillonstatic int 25593823Sdillonvcnt(SYSCTL_HANDLER_ARGS) 25693823Sdillon{ 25793823Sdillon int count = *(int *)arg1; 258170170Sattilio int offset = (char *)arg1 - (char *)&cnt; 25993823Sdillon#ifdef SMP 26093823Sdillon int i; 26193823Sdillon 26293823Sdillon for (i = 0; i < mp_ncpus; ++i) { 26393823Sdillon struct pcpu *pcpu = pcpu_find(i); 26493823Sdillon count += *(int *)((char *)&pcpu->pc_cnt + offset); 26593823Sdillon } 266108171Sdillon#else 267108171Sdillon count += *(int *)((char *)PCPU_PTR(cnt) + offset); 26893823Sdillon#endif 269144970Sjhb return (SYSCTL_OUT(req, &count, sizeof(int))); 27093823Sdillon} 27193823Sdillon 272109097SdillonSYSCTL_PROC(_vm, VM_TOTAL, vmtotal, CTLTYPE_OPAQUE|CTLFLAG_RD, 27346381Sbillf 0, sizeof(struct vmtotal), vmtotal, "S,vmtotal", 27446381Sbillf "System virtual memory statistics"); 275141696SphkSYSCTL_NODE(_vm, OID_AUTO, stats, CTLFLAG_RW, 0, "VM meter stats"); 276141630Sphkstatic SYSCTL_NODE(_vm_stats, OID_AUTO, sys, CTLFLAG_RW, 0, 277141630Sphk "VM meter sys stats"); 278141630Sphkstatic SYSCTL_NODE(_vm_stats, OID_AUTO, vm, CTLFLAG_RW, 0, 279141630Sphk "VM meter vm stats"); 28040794SpeterSYSCTL_NODE(_vm_stats, OID_AUTO, misc, CTLFLAG_RW, 0, "VM meter misc stats"); 28193823Sdillon 28293823SdillonSYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_swtch, CTLTYPE_UINT|CTLFLAG_RD, 283170170Sattilio &cnt.v_swtch, 0, vcnt, "IU", "Context switches"); 28493823SdillonSYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_trap, CTLTYPE_UINT|CTLFLAG_RD, 285170170Sattilio &cnt.v_trap, 0, vcnt, "IU", "Traps"); 28693823SdillonSYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_syscall, CTLTYPE_UINT|CTLFLAG_RD, 287170170Sattilio &cnt.v_syscall, 0, vcnt, "IU", "Syscalls"); 28893823SdillonSYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_intr, CTLTYPE_UINT|CTLFLAG_RD, 289170170Sattilio &cnt.v_intr, 0, vcnt, "IU", "Hardware interrupts"); 29093823SdillonSYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_soft, CTLTYPE_UINT|CTLFLAG_RD, 291170170Sattilio &cnt.v_soft, 0, vcnt, "IU", "Software interrupts"); 29293823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vm_faults, CTLTYPE_UINT|CTLFLAG_RD, 293170170Sattilio &cnt.v_vm_faults, 0, vcnt, "IU", "VM faults"); 29493823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cow_faults, CTLTYPE_UINT|CTLFLAG_RD, 295170170Sattilio &cnt.v_cow_faults, 0, vcnt, "IU", "COW faults"); 29693823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cow_optim, CTLTYPE_UINT|CTLFLAG_RD, 297170170Sattilio &cnt.v_cow_optim, 0, vcnt, "IU", "Optimized COW faults"); 29893823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_zfod, CTLTYPE_UINT|CTLFLAG_RD, 299170170Sattilio &cnt.v_zfod, 0, vcnt, "IU", "Zero fill"); 30093823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_ozfod, CTLTYPE_UINT|CTLFLAG_RD, 301170170Sattilio &cnt.v_ozfod, 0, vcnt, "IU", "Optimized zero fill"); 30293823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_swapin, CTLTYPE_UINT|CTLFLAG_RD, 303170170Sattilio &cnt.v_swapin, 0, vcnt, "IU", "Swapin operations"); 30493823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_swapout, CTLTYPE_UINT|CTLFLAG_RD, 305170170Sattilio &cnt.v_swapout, 0, vcnt, "IU", "Swapout operations"); 30693823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_swappgsin, CTLTYPE_UINT|CTLFLAG_RD, 307170170Sattilio &cnt.v_swappgsin, 0, vcnt, "IU", "Swapin pages"); 30893823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_swappgsout, CTLTYPE_UINT|CTLFLAG_RD, 309170170Sattilio &cnt.v_swappgsout, 0, vcnt, "IU", "Swapout pages"); 31093823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vnodein, CTLTYPE_UINT|CTLFLAG_RD, 311170170Sattilio &cnt.v_vnodein, 0, vcnt, "IU", "Vnodein operations"); 31293823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vnodeout, CTLTYPE_UINT|CTLFLAG_RD, 313170170Sattilio &cnt.v_vnodeout, 0, vcnt, "IU", "Vnodeout operations"); 31493823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vnodepgsin, CTLTYPE_UINT|CTLFLAG_RD, 315170170Sattilio &cnt.v_vnodepgsin, 0, vcnt, "IU", "Vnodein pages"); 31693823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vnodepgsout, CTLTYPE_UINT|CTLFLAG_RD, 317170170Sattilio &cnt.v_vnodepgsout, 0, vcnt, "IU", "Vnodeout pages"); 31893823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_intrans, CTLTYPE_UINT|CTLFLAG_RD, 319170170Sattilio &cnt.v_intrans, 0, vcnt, "IU", "In transit page blocking"); 32093823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_reactivated, CTLTYPE_UINT|CTLFLAG_RD, 321170170Sattilio &cnt.v_reactivated, 0, vcnt, "IU", "Reactivated pages"); 32293823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pdwakeups, CTLTYPE_UINT|CTLFLAG_RD, 323170170Sattilio &cnt.v_pdwakeups, 0, vcnt, "IU", "Pagedaemon wakeups"); 32493823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pdpages, CTLTYPE_UINT|CTLFLAG_RD, 325170170Sattilio &cnt.v_pdpages, 0, vcnt, "IU", "Pagedaemon page scans"); 326171633SalcSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_tcached, CTLTYPE_UINT|CTLFLAG_RD, 327171633Salc &cnt.v_tcached, 0, vcnt, "IU", "Total pages cached"); 32893823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_dfree, CTLTYPE_UINT|CTLFLAG_RD, 329170170Sattilio &cnt.v_dfree, 0, vcnt, "IU", ""); 33093823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pfree, CTLTYPE_UINT|CTLFLAG_RD, 331170170Sattilio &cnt.v_pfree, 0, vcnt, "IU", ""); 33293823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_tfree, CTLTYPE_UINT|CTLFLAG_RD, 333170170Sattilio &cnt.v_tfree, 0, vcnt, "IU", ""); 33493823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_page_size, CTLTYPE_UINT|CTLFLAG_RD, 335170170Sattilio &cnt.v_page_size, 0, vcnt, "IU", ""); 33693823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_page_count, CTLTYPE_UINT|CTLFLAG_RD, 337170170Sattilio &cnt.v_page_count, 0, vcnt, "IU", ""); 33893823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_free_reserved, CTLTYPE_UINT|CTLFLAG_RD, 339170170Sattilio &cnt.v_free_reserved, 0, vcnt, "IU", ""); 34093823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_free_target, CTLTYPE_UINT|CTLFLAG_RD, 341170170Sattilio &cnt.v_free_target, 0, vcnt, "IU", ""); 34293823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_free_min, CTLTYPE_UINT|CTLFLAG_RD, 343170170Sattilio &cnt.v_free_min, 0, vcnt, "IU", ""); 34493823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_free_count, CTLTYPE_UINT|CTLFLAG_RD, 345170170Sattilio &cnt.v_free_count, 0, vcnt, "IU", ""); 34693823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_wire_count, CTLTYPE_UINT|CTLFLAG_RD, 347170170Sattilio &cnt.v_wire_count, 0, vcnt, "IU", ""); 34893823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_active_count, CTLTYPE_UINT|CTLFLAG_RD, 349170170Sattilio &cnt.v_active_count, 0, vcnt, "IU", ""); 35093823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_inactive_target, CTLTYPE_UINT|CTLFLAG_RD, 351170170Sattilio &cnt.v_inactive_target, 0, vcnt, "IU", ""); 35293823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_inactive_count, CTLTYPE_UINT|CTLFLAG_RD, 353170170Sattilio &cnt.v_inactive_count, 0, vcnt, "IU", ""); 35493823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cache_count, CTLTYPE_UINT|CTLFLAG_RD, 355170170Sattilio &cnt.v_cache_count, 0, vcnt, "IU", ""); 35693823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cache_min, CTLTYPE_UINT|CTLFLAG_RD, 357170170Sattilio &cnt.v_cache_min, 0, vcnt, "IU", ""); 35893823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cache_max, CTLTYPE_UINT|CTLFLAG_RD, 359170170Sattilio &cnt.v_cache_max, 0, vcnt, "IU", ""); 36093823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pageout_free_min, CTLTYPE_UINT|CTLFLAG_RD, 361170170Sattilio &cnt.v_pageout_free_min, 0, vcnt, "IU", ""); 362170170SattilioSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_interrupt_free_min, CTLTYPE_UINT|CTLFLAG_RD, 363170170Sattilio &cnt.v_interrupt_free_min, 0, vcnt, "IU", ""); 36493823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_forks, CTLTYPE_UINT|CTLFLAG_RD, 365170170Sattilio &cnt.v_forks, 0, vcnt, "IU", "Number of fork() calls"); 36693823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vforks, CTLTYPE_UINT|CTLFLAG_RD, 367170170Sattilio &cnt.v_vforks, 0, vcnt, "IU", "Number of vfork() calls"); 36893823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_rforks, CTLTYPE_UINT|CTLFLAG_RD, 369170170Sattilio &cnt.v_rforks, 0, vcnt, "IU", "Number of rfork() calls"); 37093823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_kthreads, CTLTYPE_UINT|CTLFLAG_RD, 371170170Sattilio &cnt.v_kthreads, 0, vcnt, "IU", "Number of fork() calls by kernel"); 37293823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_forkpages, CTLTYPE_UINT|CTLFLAG_RD, 373170170Sattilio &cnt.v_forkpages, 0, vcnt, "IU", "VM pages affected by fork()"); 37493823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vforkpages, CTLTYPE_UINT|CTLFLAG_RD, 375170170Sattilio &cnt.v_vforkpages, 0, vcnt, "IU", "VM pages affected by vfork()"); 37693823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_rforkpages, CTLTYPE_UINT|CTLFLAG_RD, 377170170Sattilio &cnt.v_rforkpages, 0, vcnt, "IU", "VM pages affected by rfork()"); 37893823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_kthreadpages, CTLTYPE_UINT|CTLFLAG_RD, 379170170Sattilio &cnt.v_kthreadpages, 0, vcnt, "IU", "VM pages affected by fork() by kernel"); 38093823Sdillon 38140794SpeterSYSCTL_INT(_vm_stats_misc, OID_AUTO, 38240794Speter zero_page_count, CTLFLAG_RD, &vm_page_zero_count, 0, ""); 383