vm_meter.c revision 170307
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 170307 2007-06-05 00:00:57Z jeff $"); 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{ 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; 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; 134170307Sjeff PROC_SLOCK(p); 13599072Sjulian switch (p->p_state) { 13699072Sjulian case PRS_NEW: 137170307Sjeff PROC_SUNLOCK(p); 1381541Srgrimes continue; 1391541Srgrimes break; 14099072Sjulian default: 14199072Sjulian FOREACH_THREAD_IN_PROC(p, td) { 142103216Sjulian /* Need new statistics XXX */ 143170307Sjeff thread_lock(td); 14499072Sjulian switch (td->td_state) { 145103216Sjulian case TDS_INHIBITED: 146170307Sjeff /* 147170307Sjeff * XXX stats no longer synchronized. 148170307Sjeff */ 149104387Sjhb if (TD_ON_LOCK(td) || 150103216Sjulian (td->td_inhibitors == 151103216Sjulian TDI_SWAPPED)) { 152164437Sru total.t_sw++; 153103216Sjulian } else if (TD_IS_SLEEPING(td) || 154103216Sjulian TD_AWAITING_INTR(td) || 155103216Sjulian TD_IS_SUSPENDED(td)) { 15699072Sjulian if (td->td_priority <= PZERO) 157164437Sru total.t_dw++; 158103216Sjulian else 159164437Sru total.t_sl++; 16099072Sjulian } 16199072Sjulian break; 1621541Srgrimes 163103216Sjulian case TDS_CAN_RUN: 164164437Sru total.t_sw++; 165103216Sjulian break; 16699072Sjulian case TDS_RUNQ: 16799072Sjulian case TDS_RUNNING: 168164437Sru total.t_rq++; 169170307Sjeff thread_unlock(td); 17099072Sjulian continue; 17199072Sjulian default: 17299072Sjulian break; 17399072Sjulian } 174170307Sjeff thread_unlock(td); 17571572Sjhb } 1761541Srgrimes } 177170307Sjeff PROC_SUNLOCK(p); 1781541Srgrimes /* 1791541Srgrimes * Note active objects. 1801541Srgrimes */ 1811541Srgrimes paging = 0; 182159054Stegge vm = vmspace_acquire_ref(p); 183159054Stegge if (vm == NULL) 184159054Stegge continue; 185159054Stegge map = &vm->vm_map; 186108585Salc vm_map_lock_read(map); 187108585Salc for (entry = map->header.next; 1885455Sdg entry != &map->header; entry = entry->next) { 18943748Sdillon if ((entry->eflags & MAP_ENTRY_IS_SUB_MAP) || 190108585Salc (object = entry->object.vm_object) == NULL) 1911541Srgrimes continue; 192113448Salc VM_OBJECT_LOCK(object); 193108585Salc vm_object_set_flag(object, OBJ_ACTIVE); 194108585Salc paging |= object->paging_in_progress; 195113448Salc VM_OBJECT_UNLOCK(object); 1961541Srgrimes } 197108585Salc vm_map_unlock_read(map); 198159054Stegge vmspace_free(vm); 1991541Srgrimes if (paging) 200164437Sru total.t_pw++; 2011541Srgrimes } 20274927Sjhb sx_sunlock(&allproc_lock); 2031541Srgrimes /* 2041541Srgrimes * Calculate object memory usage statistics. 2051541Srgrimes */ 20695112Salc mtx_lock(&vm_object_list_mtx); 20775523Salfred TAILQ_FOREACH(object, &vm_object_list, object_list) { 20842957Sdillon /* 209124083Salc * Perform unsynchronized reads on the object to avoid 210124083Salc * a lock-order reversal. In this case, the lack of 211124083Salc * synchronization should not impair the accuracy of 212124083Salc * the reported statistics. 21342957Sdillon */ 214108585Salc if (object->type == OBJT_DEVICE) { 215124083Salc /* 216124083Salc * Devices, like /dev/mem, will badly skew our totals. 217124083Salc */ 21842957Sdillon continue; 219108585Salc } 220164429Sru if (object->ref_count == 0) { 221164429Sru /* 222164429Sru * Also skip unreferenced objects, including 223164429Sru * vnodes representing mounted file systems. 224164429Sru */ 225164429Sru continue; 226164429Sru } 227164437Sru total.t_vm += object->size; 228164437Sru total.t_rm += object->resident_page_count; 2291541Srgrimes if (object->flags & OBJ_ACTIVE) { 230164437Sru total.t_avm += object->size; 231164437Sru total.t_arm += object->resident_page_count; 2321541Srgrimes } 23318169Sdyson if (object->shadow_count > 1) { 2341541Srgrimes /* shared object */ 235164437Sru total.t_vmshr += object->size; 236164437Sru total.t_rmshr += object->resident_page_count; 2371541Srgrimes if (object->flags & OBJ_ACTIVE) { 238164437Sru total.t_avmshr += object->size; 239164437Sru total.t_armshr += object->resident_page_count; 2401541Srgrimes } 2411541Srgrimes } 2421541Srgrimes } 24395112Salc mtx_unlock(&vm_object_list_mtx); 244170170Sattilio total.t_free = cnt.v_free_count + cnt.v_cache_count; 245164437Sru return (sysctl_handle_opaque(oidp, &total, sizeof(total), req)); 2461541Srgrimes} 24712286Sphk 24893823Sdillon/* 24993823Sdillon * vcnt() - accumulate statistics from all cpus and the global cnt 25093823Sdillon * structure. 25193823Sdillon * 25293823Sdillon * The vmmeter structure is now per-cpu as well as global. Those 25393823Sdillon * statistics which can be kept on a per-cpu basis (to avoid cache 25493823Sdillon * stalls between cpus) can be moved to the per-cpu vmmeter. Remaining 25593823Sdillon * statistics, such as v_free_reserved, are left in the global 25693823Sdillon * structure. 25793823Sdillon * 25893823Sdillon * (sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req) 25993823Sdillon */ 26093823Sdillonstatic int 26193823Sdillonvcnt(SYSCTL_HANDLER_ARGS) 26293823Sdillon{ 26393823Sdillon int count = *(int *)arg1; 264170170Sattilio int offset = (char *)arg1 - (char *)&cnt; 26593823Sdillon#ifdef SMP 26693823Sdillon int i; 26793823Sdillon 26893823Sdillon for (i = 0; i < mp_ncpus; ++i) { 26993823Sdillon struct pcpu *pcpu = pcpu_find(i); 27093823Sdillon count += *(int *)((char *)&pcpu->pc_cnt + offset); 27193823Sdillon } 272108171Sdillon#else 273108171Sdillon count += *(int *)((char *)PCPU_PTR(cnt) + offset); 27493823Sdillon#endif 275144970Sjhb return (SYSCTL_OUT(req, &count, sizeof(int))); 27693823Sdillon} 27793823Sdillon 278109097SdillonSYSCTL_PROC(_vm, VM_TOTAL, vmtotal, CTLTYPE_OPAQUE|CTLFLAG_RD, 27946381Sbillf 0, sizeof(struct vmtotal), vmtotal, "S,vmtotal", 28046381Sbillf "System virtual memory statistics"); 281141696SphkSYSCTL_NODE(_vm, OID_AUTO, stats, CTLFLAG_RW, 0, "VM meter stats"); 282141630Sphkstatic SYSCTL_NODE(_vm_stats, OID_AUTO, sys, CTLFLAG_RW, 0, 283141630Sphk "VM meter sys stats"); 284141630Sphkstatic SYSCTL_NODE(_vm_stats, OID_AUTO, vm, CTLFLAG_RW, 0, 285141630Sphk "VM meter vm stats"); 28640794SpeterSYSCTL_NODE(_vm_stats, OID_AUTO, misc, CTLFLAG_RW, 0, "VM meter misc stats"); 28793823Sdillon 28893823SdillonSYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_swtch, CTLTYPE_UINT|CTLFLAG_RD, 289170170Sattilio &cnt.v_swtch, 0, vcnt, "IU", "Context switches"); 29093823SdillonSYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_trap, CTLTYPE_UINT|CTLFLAG_RD, 291170170Sattilio &cnt.v_trap, 0, vcnt, "IU", "Traps"); 29293823SdillonSYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_syscall, CTLTYPE_UINT|CTLFLAG_RD, 293170170Sattilio &cnt.v_syscall, 0, vcnt, "IU", "Syscalls"); 29493823SdillonSYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_intr, CTLTYPE_UINT|CTLFLAG_RD, 295170170Sattilio &cnt.v_intr, 0, vcnt, "IU", "Hardware interrupts"); 29693823SdillonSYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_soft, CTLTYPE_UINT|CTLFLAG_RD, 297170170Sattilio &cnt.v_soft, 0, vcnt, "IU", "Software interrupts"); 29893823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vm_faults, CTLTYPE_UINT|CTLFLAG_RD, 299170170Sattilio &cnt.v_vm_faults, 0, vcnt, "IU", "VM faults"); 30093823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cow_faults, CTLTYPE_UINT|CTLFLAG_RD, 301170170Sattilio &cnt.v_cow_faults, 0, vcnt, "IU", "COW faults"); 30293823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cow_optim, CTLTYPE_UINT|CTLFLAG_RD, 303170170Sattilio &cnt.v_cow_optim, 0, vcnt, "IU", "Optimized COW faults"); 30493823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_zfod, CTLTYPE_UINT|CTLFLAG_RD, 305170170Sattilio &cnt.v_zfod, 0, vcnt, "IU", "Zero fill"); 30693823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_ozfod, CTLTYPE_UINT|CTLFLAG_RD, 307170170Sattilio &cnt.v_ozfod, 0, vcnt, "IU", "Optimized zero fill"); 30893823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_swapin, CTLTYPE_UINT|CTLFLAG_RD, 309170170Sattilio &cnt.v_swapin, 0, vcnt, "IU", "Swapin operations"); 31093823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_swapout, CTLTYPE_UINT|CTLFLAG_RD, 311170170Sattilio &cnt.v_swapout, 0, vcnt, "IU", "Swapout operations"); 31293823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_swappgsin, CTLTYPE_UINT|CTLFLAG_RD, 313170170Sattilio &cnt.v_swappgsin, 0, vcnt, "IU", "Swapin pages"); 31493823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_swappgsout, CTLTYPE_UINT|CTLFLAG_RD, 315170170Sattilio &cnt.v_swappgsout, 0, vcnt, "IU", "Swapout pages"); 31693823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vnodein, CTLTYPE_UINT|CTLFLAG_RD, 317170170Sattilio &cnt.v_vnodein, 0, vcnt, "IU", "Vnodein operations"); 31893823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vnodeout, CTLTYPE_UINT|CTLFLAG_RD, 319170170Sattilio &cnt.v_vnodeout, 0, vcnt, "IU", "Vnodeout operations"); 32093823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vnodepgsin, CTLTYPE_UINT|CTLFLAG_RD, 321170170Sattilio &cnt.v_vnodepgsin, 0, vcnt, "IU", "Vnodein pages"); 32293823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vnodepgsout, CTLTYPE_UINT|CTLFLAG_RD, 323170170Sattilio &cnt.v_vnodepgsout, 0, vcnt, "IU", "Vnodeout pages"); 32493823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_intrans, CTLTYPE_UINT|CTLFLAG_RD, 325170170Sattilio &cnt.v_intrans, 0, vcnt, "IU", "In transit page blocking"); 32693823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_reactivated, CTLTYPE_UINT|CTLFLAG_RD, 327170170Sattilio &cnt.v_reactivated, 0, vcnt, "IU", "Reactivated pages"); 32893823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pdwakeups, CTLTYPE_UINT|CTLFLAG_RD, 329170170Sattilio &cnt.v_pdwakeups, 0, vcnt, "IU", "Pagedaemon wakeups"); 33093823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pdpages, CTLTYPE_UINT|CTLFLAG_RD, 331170170Sattilio &cnt.v_pdpages, 0, vcnt, "IU", "Pagedaemon page scans"); 33293823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_dfree, CTLTYPE_UINT|CTLFLAG_RD, 333170170Sattilio &cnt.v_dfree, 0, vcnt, "IU", ""); 33493823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pfree, CTLTYPE_UINT|CTLFLAG_RD, 335170170Sattilio &cnt.v_pfree, 0, vcnt, "IU", ""); 33693823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_tfree, CTLTYPE_UINT|CTLFLAG_RD, 337170170Sattilio &cnt.v_tfree, 0, vcnt, "IU", ""); 33893823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_page_size, CTLTYPE_UINT|CTLFLAG_RD, 339170170Sattilio &cnt.v_page_size, 0, vcnt, "IU", ""); 34093823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_page_count, CTLTYPE_UINT|CTLFLAG_RD, 341170170Sattilio &cnt.v_page_count, 0, vcnt, "IU", ""); 34293823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_free_reserved, CTLTYPE_UINT|CTLFLAG_RD, 343170170Sattilio &cnt.v_free_reserved, 0, vcnt, "IU", ""); 34493823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_free_target, CTLTYPE_UINT|CTLFLAG_RD, 345170170Sattilio &cnt.v_free_target, 0, vcnt, "IU", ""); 34693823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_free_min, CTLTYPE_UINT|CTLFLAG_RD, 347170170Sattilio &cnt.v_free_min, 0, vcnt, "IU", ""); 34893823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_free_count, CTLTYPE_UINT|CTLFLAG_RD, 349170170Sattilio &cnt.v_free_count, 0, vcnt, "IU", ""); 35093823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_wire_count, CTLTYPE_UINT|CTLFLAG_RD, 351170170Sattilio &cnt.v_wire_count, 0, vcnt, "IU", ""); 35293823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_active_count, CTLTYPE_UINT|CTLFLAG_RD, 353170170Sattilio &cnt.v_active_count, 0, vcnt, "IU", ""); 35493823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_inactive_target, CTLTYPE_UINT|CTLFLAG_RD, 355170170Sattilio &cnt.v_inactive_target, 0, vcnt, "IU", ""); 35693823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_inactive_count, CTLTYPE_UINT|CTLFLAG_RD, 357170170Sattilio &cnt.v_inactive_count, 0, vcnt, "IU", ""); 35893823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cache_count, CTLTYPE_UINT|CTLFLAG_RD, 359170170Sattilio &cnt.v_cache_count, 0, vcnt, "IU", ""); 36093823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cache_min, CTLTYPE_UINT|CTLFLAG_RD, 361170170Sattilio &cnt.v_cache_min, 0, vcnt, "IU", ""); 36293823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cache_max, CTLTYPE_UINT|CTLFLAG_RD, 363170170Sattilio &cnt.v_cache_max, 0, vcnt, "IU", ""); 36493823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pageout_free_min, CTLTYPE_UINT|CTLFLAG_RD, 365170170Sattilio &cnt.v_pageout_free_min, 0, vcnt, "IU", ""); 366170170SattilioSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_interrupt_free_min, CTLTYPE_UINT|CTLFLAG_RD, 367170170Sattilio &cnt.v_interrupt_free_min, 0, vcnt, "IU", ""); 36893823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_forks, CTLTYPE_UINT|CTLFLAG_RD, 369170170Sattilio &cnt.v_forks, 0, vcnt, "IU", "Number of fork() calls"); 37093823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vforks, CTLTYPE_UINT|CTLFLAG_RD, 371170170Sattilio &cnt.v_vforks, 0, vcnt, "IU", "Number of vfork() calls"); 37293823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_rforks, CTLTYPE_UINT|CTLFLAG_RD, 373170170Sattilio &cnt.v_rforks, 0, vcnt, "IU", "Number of rfork() calls"); 37493823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_kthreads, CTLTYPE_UINT|CTLFLAG_RD, 375170170Sattilio &cnt.v_kthreads, 0, vcnt, "IU", "Number of fork() calls by kernel"); 37693823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_forkpages, CTLTYPE_UINT|CTLFLAG_RD, 377170170Sattilio &cnt.v_forkpages, 0, vcnt, "IU", "VM pages affected by fork()"); 37893823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vforkpages, CTLTYPE_UINT|CTLFLAG_RD, 379170170Sattilio &cnt.v_vforkpages, 0, vcnt, "IU", "VM pages affected by vfork()"); 38093823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_rforkpages, CTLTYPE_UINT|CTLFLAG_RD, 381170170Sattilio &cnt.v_rforkpages, 0, vcnt, "IU", "VM pages affected by rfork()"); 38293823SdillonSYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_kthreadpages, CTLTYPE_UINT|CTLFLAG_RD, 383170170Sattilio &cnt.v_kthreadpages, 0, vcnt, "IU", "VM pages affected by fork() by kernel"); 38493823Sdillon 38540794SpeterSYSCTL_INT(_vm_stats_misc, OID_AUTO, 38640794Speter zero_page_count, CTLFLAG_RD, &vm_page_zero_count, 0, ""); 38740794Speter#if 0 38840794SpeterSYSCTL_INT(_vm_stats_misc, OID_AUTO, 38940794Speter page_mask, CTLFLAG_RD, &page_mask, 0, ""); 39040794SpeterSYSCTL_INT(_vm_stats_misc, OID_AUTO, 39140794Speter page_shift, CTLFLAG_RD, &page_shift, 0, ""); 39240794SpeterSYSCTL_INT(_vm_stats_misc, OID_AUTO, 39340794Speter first_page, CTLFLAG_RD, &first_page, 0, ""); 39440794SpeterSYSCTL_INT(_vm_stats_misc, OID_AUTO, 39540794Speter last_page, CTLFLAG_RD, &last_page, 0, ""); 39640794Speter#endif 397