| vm_meter.c (219968) | vm_meter.c (228449) |
|---|---|
| 1/*- 2 * Copyright (c) 1982, 1986, 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 16 unchanged lines hidden (view full) --- 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)vm_meter.c 8.4 (Berkeley) 1/4/94 30 */ 31 32#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 1982, 1986, 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 16 unchanged lines hidden (view full) --- 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)vm_meter.c 8.4 (Berkeley) 1/4/94 30 */ 31 32#include <sys/cdefs.h> |
| 33__FBSDID("$FreeBSD: head/sys/vm/vm_meter.c 219968 2011-03-24 18:40:11Z jhb $"); | 33__FBSDID("$FreeBSD: head/sys/vm/vm_meter.c 228449 2011-12-13 00:38:50Z eadler $"); |
| 34 35#include <sys/param.h> 36#include <sys/systm.h> 37#include <sys/kernel.h> 38#include <sys/lock.h> 39#include <sys/mutex.h> 40#include <sys/proc.h> 41#include <sys/resource.h> --- 8 unchanged lines hidden (view full) --- 50#include <vm/pmap.h> 51#include <vm/vm_map.h> 52#include <vm/vm_object.h> 53#include <sys/sysctl.h> 54 55struct vmmeter cnt; 56 57SYSCTL_UINT(_vm, VM_V_FREE_MIN, v_free_min, | 34 35#include <sys/param.h> 36#include <sys/systm.h> 37#include <sys/kernel.h> 38#include <sys/lock.h> 39#include <sys/mutex.h> 40#include <sys/proc.h> 41#include <sys/resource.h> --- 8 unchanged lines hidden (view full) --- 50#include <vm/pmap.h> 51#include <vm/vm_map.h> 52#include <vm/vm_object.h> 53#include <sys/sysctl.h> 54 55struct vmmeter cnt; 56 57SYSCTL_UINT(_vm, VM_V_FREE_MIN, v_free_min, |
| 58 CTLFLAG_RW, &cnt.v_free_min, 0, ""); | 58 CTLFLAG_RW, &cnt.v_free_min, 0, "Minimum low-free-pages threshold"); |
| 59SYSCTL_UINT(_vm, VM_V_FREE_TARGET, v_free_target, | 59SYSCTL_UINT(_vm, VM_V_FREE_TARGET, v_free_target, |
| 60 CTLFLAG_RW, &cnt.v_free_target, 0, ""); | 60 CTLFLAG_RW, &cnt.v_free_target, 0, "Desired free pages"); |
| 61SYSCTL_UINT(_vm, VM_V_FREE_RESERVED, v_free_reserved, | 61SYSCTL_UINT(_vm, VM_V_FREE_RESERVED, v_free_reserved, |
| 62 CTLFLAG_RW, &cnt.v_free_reserved, 0, ""); | 62 CTLFLAG_RW, &cnt.v_free_reserved, 0, "Pages reserved for deadlock"); |
| 63SYSCTL_UINT(_vm, VM_V_INACTIVE_TARGET, v_inactive_target, | 63SYSCTL_UINT(_vm, VM_V_INACTIVE_TARGET, v_inactive_target, |
| 64 CTLFLAG_RW, &cnt.v_inactive_target, 0, ""); | 64 CTLFLAG_RW, &cnt.v_inactive_target, 0, "Pages desired inactive"); |
| 65SYSCTL_UINT(_vm, VM_V_CACHE_MIN, v_cache_min, | 65SYSCTL_UINT(_vm, VM_V_CACHE_MIN, v_cache_min, |
| 66 CTLFLAG_RW, &cnt.v_cache_min, 0, ""); | 66 CTLFLAG_RW, &cnt.v_cache_min, 0, "Min pages on cache queue"); |
| 67SYSCTL_UINT(_vm, VM_V_CACHE_MAX, v_cache_max, | 67SYSCTL_UINT(_vm, VM_V_CACHE_MAX, v_cache_max, |
| 68 CTLFLAG_RW, &cnt.v_cache_max, 0, ""); | 68 CTLFLAG_RW, &cnt.v_cache_max, 0, "Max pages on cache queue"); |
| 69SYSCTL_UINT(_vm, VM_V_PAGEOUT_FREE_MIN, v_pageout_free_min, | 69SYSCTL_UINT(_vm, VM_V_PAGEOUT_FREE_MIN, v_pageout_free_min, |
| 70 CTLFLAG_RW, &cnt.v_pageout_free_min, 0, ""); | 70 CTLFLAG_RW, &cnt.v_pageout_free_min, 0, "Min pages reserved for kernel"); |
| 71SYSCTL_UINT(_vm, OID_AUTO, v_free_severe, | 71SYSCTL_UINT(_vm, OID_AUTO, v_free_severe, |
| 72 CTLFLAG_RW, &cnt.v_free_severe, 0, ""); | 72 CTLFLAG_RW, &cnt.v_free_severe, 0, "Severe page depletion point"); |
| 73 74static int 75sysctl_vm_loadavg(SYSCTL_HANDLER_ARGS) 76{ 77 78#ifdef SCTL_MASK32 79 u_int32_t la[4]; 80 --- 184 unchanged lines hidden (view full) --- 265 "System virtual memory statistics"); 266SYSCTL_NODE(_vm, OID_AUTO, stats, CTLFLAG_RW, 0, "VM meter stats"); 267static SYSCTL_NODE(_vm_stats, OID_AUTO, sys, CTLFLAG_RW, 0, 268 "VM meter sys stats"); 269static SYSCTL_NODE(_vm_stats, OID_AUTO, vm, CTLFLAG_RW, 0, 270 "VM meter vm stats"); 271SYSCTL_NODE(_vm_stats, OID_AUTO, misc, CTLFLAG_RW, 0, "VM meter misc stats"); 272 | 73 74static int 75sysctl_vm_loadavg(SYSCTL_HANDLER_ARGS) 76{ 77 78#ifdef SCTL_MASK32 79 u_int32_t la[4]; 80 --- 184 unchanged lines hidden (view full) --- 265 "System virtual memory statistics"); 266SYSCTL_NODE(_vm, OID_AUTO, stats, CTLFLAG_RW, 0, "VM meter stats"); 267static SYSCTL_NODE(_vm_stats, OID_AUTO, sys, CTLFLAG_RW, 0, 268 "VM meter sys stats"); 269static SYSCTL_NODE(_vm_stats, OID_AUTO, vm, CTLFLAG_RW, 0, 270 "VM meter vm stats"); 271SYSCTL_NODE(_vm_stats, OID_AUTO, misc, CTLFLAG_RW, 0, "VM meter misc stats"); 272 |
| 273SYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_swtch, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 274 &cnt.v_swtch, 0, vcnt, "IU", "Context switches"); 275SYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_trap, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 276 &cnt.v_trap, 0, vcnt, "IU", "Traps"); 277SYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_syscall, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 278 &cnt.v_syscall, 0, vcnt, "IU", "Syscalls"); 279SYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_intr, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 280 &cnt.v_intr, 0, vcnt, "IU", "Hardware interrupts"); 281SYSCTL_PROC(_vm_stats_sys, OID_AUTO, v_soft, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 282 &cnt.v_soft, 0, vcnt, "IU", "Software interrupts"); 283SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vm_faults, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 284 &cnt.v_vm_faults, 0, vcnt, "IU", "VM faults"); 285SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cow_faults, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 286 &cnt.v_cow_faults, 0, vcnt, "IU", "COW faults"); 287SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cow_optim, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 288 &cnt.v_cow_optim, 0, vcnt, "IU", "Optimized COW faults"); 289SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_zfod, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 290 &cnt.v_zfod, 0, vcnt, "IU", "Zero fill"); 291SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_ozfod, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 292 &cnt.v_ozfod, 0, vcnt, "IU", "Optimized zero fill"); 293SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_swapin, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 294 &cnt.v_swapin, 0, vcnt, "IU", "Swapin operations"); 295SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_swapout, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 296 &cnt.v_swapout, 0, vcnt, "IU", "Swapout operations"); 297SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_swappgsin, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 298 &cnt.v_swappgsin, 0, vcnt, "IU", "Swapin pages"); 299SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_swappgsout, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 300 &cnt.v_swappgsout, 0, vcnt, "IU", "Swapout pages"); 301SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vnodein, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 302 &cnt.v_vnodein, 0, vcnt, "IU", "Vnodein operations"); 303SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vnodeout, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 304 &cnt.v_vnodeout, 0, vcnt, "IU", "Vnodeout operations"); 305SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vnodepgsin, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 306 &cnt.v_vnodepgsin, 0, vcnt, "IU", "Vnodein pages"); 307SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vnodepgsout, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 308 &cnt.v_vnodepgsout, 0, vcnt, "IU", "Vnodeout pages"); 309SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_intrans, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 310 &cnt.v_intrans, 0, vcnt, "IU", "In transit page blocking"); 311SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_reactivated, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 312 &cnt.v_reactivated, 0, vcnt, "IU", "Reactivated pages"); 313SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pdwakeups, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 314 &cnt.v_pdwakeups, 0, vcnt, "IU", "Pagedaemon wakeups"); 315SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pdpages, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 316 &cnt.v_pdpages, 0, vcnt, "IU", "Pagedaemon page scans"); 317SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_tcached, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 318 &cnt.v_tcached, 0, vcnt, "IU", "Total pages cached"); 319SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_dfree, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 320 &cnt.v_dfree, 0, vcnt, "IU", ""); 321SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pfree, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 322 &cnt.v_pfree, 0, vcnt, "IU", ""); 323SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_tfree, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 324 &cnt.v_tfree, 0, vcnt, "IU", ""); 325SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_page_size, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 326 &cnt.v_page_size, 0, vcnt, "IU", ""); 327SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_page_count, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 328 &cnt.v_page_count, 0, vcnt, "IU", ""); 329SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_free_reserved, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 330 &cnt.v_free_reserved, 0, vcnt, "IU", ""); 331SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_free_target, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 332 &cnt.v_free_target, 0, vcnt, "IU", ""); 333SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_free_min, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 334 &cnt.v_free_min, 0, vcnt, "IU", ""); 335SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_free_count, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 336 &cnt.v_free_count, 0, vcnt, "IU", ""); 337SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_wire_count, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 338 &cnt.v_wire_count, 0, vcnt, "IU", ""); 339SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_active_count, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 340 &cnt.v_active_count, 0, vcnt, "IU", ""); 341SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_inactive_target, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 342 &cnt.v_inactive_target, 0, vcnt, "IU", ""); 343SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_inactive_count, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 344 &cnt.v_inactive_count, 0, vcnt, "IU", ""); 345SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cache_count, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 346 &cnt.v_cache_count, 0, vcnt, "IU", ""); 347SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cache_min, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 348 &cnt.v_cache_min, 0, vcnt, "IU", ""); 349SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_cache_max, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 350 &cnt.v_cache_max, 0, vcnt, "IU", ""); 351SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pageout_free_min, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 352 &cnt.v_pageout_free_min, 0, vcnt, "IU", ""); 353SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_interrupt_free_min, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 354 &cnt.v_interrupt_free_min, 0, vcnt, "IU", ""); 355SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_forks, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 356 &cnt.v_forks, 0, vcnt, "IU", "Number of fork() calls"); 357SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vforks, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 358 &cnt.v_vforks, 0, vcnt, "IU", "Number of vfork() calls"); 359SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_rforks, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 360 &cnt.v_rforks, 0, vcnt, "IU", "Number of rfork() calls"); 361SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_kthreads, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 362 &cnt.v_kthreads, 0, vcnt, "IU", "Number of fork() calls by kernel"); 363SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_forkpages, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 364 &cnt.v_forkpages, 0, vcnt, "IU", "VM pages affected by fork()"); 365SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_vforkpages, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 366 &cnt.v_vforkpages, 0, vcnt, "IU", "VM pages affected by vfork()"); 367SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_rforkpages, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 368 &cnt.v_rforkpages, 0, vcnt, "IU", "VM pages affected by rfork()"); 369SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_kthreadpages, CTLTYPE_UINT|CTLFLAG_RD|CTLFLAG_MPSAFE, 370 &cnt.v_kthreadpages, 0, vcnt, "IU", "VM pages affected by fork() by kernel"); | 273#define VM_STATS_SYS(var, descr) SYSCTL_PROC(_vm_stats_sys, OID_AUTO, var, \ 274 (CTLTYPE_UINT | CTLFLAG_RD | CTLFLAG_MPSAFE), &cnt.v_swtch, 0, vcnt, \ 275 "IU", descr); |
| 371 | 276 |
| 372SYSCTL_INT(_vm_stats_misc, OID_AUTO, 373 zero_page_count, CTLFLAG_RD, &vm_page_zero_count, 0, ""); | 277VM_STATS_SYS(v_swtch, "Context switches"); 278VM_STATS_SYS(v_trap, "Traps"); 279VM_STATS_SYS(v_syscall, "System calls"); 280VM_STATS_SYS(v_intr, "Device interrupts"); 281VM_STATS_SYS(v_soft, "Software interrupts"); 282VM_STATS_SYS(v_vm_faults, "Address memory faults"); 283VM_STATS_SYS(v_cow_faults, "Copy-on-write faults"); 284VM_STATS_SYS(v_cow_optim, "Optimized COW faults") 285VM_STATS_SYS(v_zfod, "Pages zero-filled on demand") 286VM_STATS_SYS(v_ozfod, "Optimized zero fill pages") 287VM_STATS_SYS(v_swapin, "Swap pager pageins") 288VM_STATS_SYS(v_swapout, "Swap pager pageouts") 289VM_STATS_SYS(v_swappgsin, "Swap pages swapped in") 290VM_STATS_SYS(v_swappgsout, "Swap pages swapped out") 291VM_STATS_SYS(v_vnodein, "Vnode pager pageins") 292VM_STATS_SYS(v_vnodeout, "Vnode pager pageouts") 293VM_STATS_SYS(v_vnodepgsin, "Vnode pages paged in") 294VM_STATS_SYS(v_vnodepgsout, "Vnode pages paged out") 295VM_STATS_SYS(v_intrans, "In transit page faults") 296VM_STATS_SYS(v_reactivated, "Pages reactivated from free list") 297VM_STATS_SYS(v_pdwakeups, "Pagedaemon wakeups") 298VM_STATS_SYS(v_pdpages, "Pages analyzed by pagedaemon") 299VM_STATS_SYS(v_tcached, "Total pages cached") 300VM_STATS_SYS(v_dfree, "Pages freed by pagedaemon") 301VM_STATS_SYS(v_pfree, "Pages freed by exiting processes") 302VM_STATS_SYS(v_tfree, "Total pages freed") 303VM_STATS_SYS(v_page_size, "Page size in bytes") 304VM_STATS_SYS(v_page_count, "Total number of pages in system") 305VM_STATS_SYS(v_free_reserved, "Pages reserved for deadlock") 306VM_STATS_SYS(v_free_target, "Pages desired free") 307VM_STATS_SYS(v_free_min, "Minimum low-free-pages threshold") 308VM_STATS_SYS(v_free_count, "Free pages") 309VM_STATS_SYS(v_wire_count, "Wired pages") 310VM_STATS_SYS(v_active_count, "Active pages") 311VM_STATS_SYS(v_inactive_target, "Desired inactive pages") 312VM_STATS_SYS(v_inactive_count, "Inactive pages") 313VM_STATS_SYS(v_cache_count, "Pages on cache queue") 314VM_STATS_SYS(v_cache_min, "Min pages on cache queue") 315VM_STATS_SYS(v_cache_max, "Max pages on cached queue") 316VM_STATS_SYS(v_pageout_free_min, "Min pages reserved for kernel") 317VM_STATS_SYS(v_interrupt_free_min, "Reserved pages for interrupt code") 318VM_STATS_SYS(v_forks, "Number of fork() calls") 319VM_STATS_SYS(v_vforks, "Number of vfork() calls") 320VM_STATS_SYS(v_rforks, "Number of rfork() calls") 321VM_STATS_SYS(v_kthreads, "Number of fork() calls by kernel") 322VM_STATS_SYS(v_forkpages, "VM pages affected by fork()") 323VM_STATS_SYS(v_vforkpages, "VM pages affected by vfork()") 324VM_STATS_SYS(v_rforkpages, "VM pages affected by rfork()") 325VM_STATS_SYS(v_kthreadpages, "VM pages affected by fork() by kernel") 326 327SYSCTL_INT(_vm_stats_misc, OID_AUTO, zero_page_count, CTLFLAG_RD, 328 &vm_page_zero_count, 0, "Number of zero-ed free pages"); |