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
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)vm_meter.c 8.4 (Berkeley) 1/4/94
34 * $FreeBSD: head/sys/vm/vm_meter.c 62573 2000-07-04 11:25:35Z phk $
35 */
36
37#include <sys/param.h>
38#include <sys/proc.h>
39#include <sys/systm.h>
40#include <sys/kernel.h>
41#include <sys/resource.h>
42#include <sys/vmmeter.h>
43
44#include <vm/vm.h>
45#include <vm/vm_page.h>
46#include <vm/vm_extern.h>
47#include <vm/vm_param.h>
48#include <sys/lock.h>
49#include <vm/pmap.h>
50#include <vm/vm_map.h>
51#include <vm/vm_object.h>
52#include <sys/sysctl.h>
53
54struct loadavg averunnable =
55 { {0, 0, 0}, FSCALE }; /* load average, of runnable procs */
56
57struct vmmeter cnt;
58
59static int maxslp = MAXSLP;
60
61/*
62 * Constants for averages over 1, 5, and 15 minutes
63 * when sampling at 5 second intervals.
64 */
65static fixpt_t cexp[3] = {
66 0.9200444146293232 * FSCALE, /* exp(-1/12) */
67 0.9834714538216174 * FSCALE, /* exp(-1/60) */
68 0.9944598480048967 * FSCALE, /* exp(-1/180) */
69};
70
71/*
72 * Compute a tenex style load average of a quantity on
73 * 1, 5 and 15 minute intervals.
74 */
75static void
76loadav(struct loadavg *avg)
77{
78 register int i, nrun;
79 register struct proc *p;
80
81 for (nrun = 0, p = allproc.lh_first; p != 0; p = p->p_list.le_next) {
82 switch (p->p_stat) {
83 case SSLEEP:
84 if (p->p_priority > PZERO || p->p_slptime != 0)
85 continue;
86 /* FALLTHROUGH */
87 case SRUN:
88 case SIDL:
89 nrun++;
90 }
91 }
92 for (i = 0; i < 3; i++)
93 avg->ldavg[i] = (cexp[i] * avg->ldavg[i] +
94 nrun * FSCALE * (FSCALE - cexp[i])) >> FSHIFT;
95}
96
97void
98vmmeter()
99{
100
101 if (time_second % 5 == 0)
102 loadav(&averunnable);
103 if (proc0.p_slptime > maxslp / 2)
104 wakeup(&proc0);
105}
106
107SYSCTL_INT(_vm, VM_V_FREE_MIN, v_free_min,
108 CTLFLAG_RW, &cnt.v_free_min, 0, "");
109SYSCTL_INT(_vm, VM_V_FREE_TARGET, v_free_target,
110 CTLFLAG_RW, &cnt.v_free_target, 0, "");
111SYSCTL_INT(_vm, VM_V_FREE_RESERVED, v_free_reserved,
112 CTLFLAG_RW, &cnt.v_free_reserved, 0, "");
113SYSCTL_INT(_vm, VM_V_INACTIVE_TARGET, v_inactive_target,
114 CTLFLAG_RW, &cnt.v_inactive_target, 0, "");
115SYSCTL_INT(_vm, VM_V_CACHE_MIN, v_cache_min,
116 CTLFLAG_RW, &cnt.v_cache_min, 0, "");
117SYSCTL_INT(_vm, VM_V_CACHE_MAX, v_cache_max,
118 CTLFLAG_RW, &cnt.v_cache_max, 0, "");
119SYSCTL_INT(_vm, VM_V_PAGEOUT_FREE_MIN, v_pageout_free_min,
120 CTLFLAG_RW, &cnt.v_pageout_free_min, 0, "");
121SYSCTL_INT(_vm, OID_AUTO, v_free_severe,
122 CTLFLAG_RW, &cnt.v_free_severe, 0, "");
123
124SYSCTL_STRUCT(_vm, VM_LOADAVG, loadavg, CTLFLAG_RD,
125 &averunnable, loadavg, "Machine loadaverage history");
126
127static int
128vmtotal(SYSCTL_HANDLER_ARGS)
129{
130 struct proc *p;
131 struct vmtotal total, *totalp;
132 vm_map_entry_t entry;
133 vm_object_t object;
134 vm_map_t map;
135 int paging;
136
137 totalp = &total;
138 bzero(totalp, sizeof *totalp);
139 /*
140 * Mark all objects as inactive.
141 */
142 for (object = TAILQ_FIRST(&vm_object_list);
143 object != NULL;
144 object = TAILQ_NEXT(object,object_list))
145 vm_object_clear_flag(object, OBJ_ACTIVE);
146 /*
147 * Calculate process statistics.
148 */
149 for (p = allproc.lh_first; p != 0; p = p->p_list.le_next) {
150 if (p->p_flag & P_SYSTEM)
151 continue;
152 switch (p->p_stat) {
153 case 0:
154 continue;
155
156 case SSLEEP:
157 case SSTOP:
158 if (p->p_flag & P_INMEM) {
159 if (p->p_priority <= PZERO)
160 totalp->t_dw++;
161 else if (p->p_slptime < maxslp)
162 totalp->t_sl++;
163 } else if (p->p_slptime < maxslp)
164 totalp->t_sw++;
165 if (p->p_slptime >= maxslp)
166 continue;
167 break;
168
169 case SRUN:
170 case SIDL:
171 if (p->p_flag & P_INMEM)
172 totalp->t_rq++;
173 else
174 totalp->t_sw++;
175 if (p->p_stat == SIDL)
176 continue;
177 break;
178 }
179 /*
180 * Note active objects.
181 */
182 paging = 0;
183 for (map = &p->p_vmspace->vm_map, entry = map->header.next;
184 entry != &map->header; entry = entry->next) {
185 if ((entry->eflags & MAP_ENTRY_IS_SUB_MAP) ||
186 entry->object.vm_object == NULL)
187 continue;
188 vm_object_set_flag(entry->object.vm_object, OBJ_ACTIVE);
189 paging |= entry->object.vm_object->paging_in_progress;
190 }
191 if (paging)
192 totalp->t_pw++;
193 }
194 /*
195 * Calculate object memory usage statistics.
196 */
197 for (object = TAILQ_FIRST(&vm_object_list);
198 object != NULL;
199 object = TAILQ_NEXT(object, object_list)) {
200 /*
201 * devices, like /dev/mem, will badly skew our totals
202 */
203 if (object->type == OBJT_DEVICE)
204 continue;
205 totalp->t_vm += object->size;
206 totalp->t_rm += object->resident_page_count;
207 if (object->flags & OBJ_ACTIVE) {
208 totalp->t_avm += object->size;
209 totalp->t_arm += object->resident_page_count;
210 }
211 if (object->shadow_count > 1) {
212 /* shared object */
213 totalp->t_vmshr += object->size;
214 totalp->t_rmshr += object->resident_page_count;
215 if (object->flags & OBJ_ACTIVE) {
216 totalp->t_avmshr += object->size;
217 totalp->t_armshr += object->resident_page_count;
218 }
219 }
220 }
221 totalp->t_free = cnt.v_free_count + cnt.v_cache_count;
222 return (sysctl_handle_opaque(oidp, totalp, sizeof total, req));
223}
224
225SYSCTL_PROC(_vm, VM_METER, vmmeter, CTLTYPE_OPAQUE|CTLFLAG_RD,
226 0, sizeof(struct vmtotal), vmtotal, "S,vmtotal",
227 "System virtual memory statistics");
228SYSCTL_NODE(_vm, OID_AUTO, stats, CTLFLAG_RW, 0, "VM meter stats");
229SYSCTL_NODE(_vm_stats, OID_AUTO, sys, CTLFLAG_RW, 0, "VM meter sys stats");
230SYSCTL_NODE(_vm_stats, OID_AUTO, vm, CTLFLAG_RW, 0, "VM meter vm stats");
231SYSCTL_NODE(_vm_stats, OID_AUTO, misc, CTLFLAG_RW, 0, "VM meter misc stats");
232SYSCTL_INT(_vm_stats_sys, OID_AUTO,
233 v_swtch, CTLFLAG_RD, &cnt.v_swtch, 0, "Context switches");
234SYSCTL_INT(_vm_stats_sys, OID_AUTO,
235 v_trap, CTLFLAG_RD, &cnt.v_trap, 0, "Traps");
236SYSCTL_INT(_vm_stats_sys, OID_AUTO,
237 v_syscall, CTLFLAG_RD, &cnt.v_syscall, 0, "Syscalls");
238SYSCTL_INT(_vm_stats_sys, OID_AUTO, v_intr, CTLFLAG_RD,
239 &cnt.v_intr, 0, "Hardware interrupts");
240SYSCTL_INT(_vm_stats_sys, OID_AUTO, v_soft, CTLFLAG_RD,
241 &cnt.v_soft, 0, "Software interrupts");
242SYSCTL_INT(_vm_stats_vm, OID_AUTO,
243 v_vm_faults, CTLFLAG_RD, &cnt.v_vm_faults, 0, "VM faults");
244SYSCTL_INT(_vm_stats_vm, OID_AUTO,
245 v_cow_faults, CTLFLAG_RD, &cnt.v_cow_faults, 0, "COW faults");
246SYSCTL_INT(_vm_stats_vm, OID_AUTO,
247 v_cow_optim, CTLFLAG_RD, &cnt.v_cow_optim, 0, "Optimized COW faults");
248SYSCTL_INT(_vm_stats_vm, OID_AUTO,
249 v_zfod, CTLFLAG_RD, &cnt.v_zfod, 0, "Zero fill");
250SYSCTL_INT(_vm_stats_vm, OID_AUTO,
251 v_ozfod, CTLFLAG_RD, &cnt.v_ozfod, 0, "Optimized zero fill");
252SYSCTL_INT(_vm_stats_vm, OID_AUTO,
253 v_swapin, CTLFLAG_RD, &cnt.v_swapin, 0, "Swapin operations");
254SYSCTL_INT(_vm_stats_vm, OID_AUTO,
255 v_swapout, CTLFLAG_RD, &cnt.v_swapout, 0, "Swapout operations");
256SYSCTL_INT(_vm_stats_vm, OID_AUTO,
257 v_swappgsin, CTLFLAG_RD, &cnt.v_swappgsin, 0, "Swapin pages");
258SYSCTL_INT(_vm_stats_vm, OID_AUTO,
259 v_swappgsout, CTLFLAG_RD, &cnt.v_swappgsout, 0, "Swapout pages");
260SYSCTL_INT(_vm_stats_vm, OID_AUTO,
261 v_vnodein, CTLFLAG_RD, &cnt.v_vnodein, 0, "Vnodein operations");
262SYSCTL_INT(_vm_stats_vm, OID_AUTO,
263 v_vnodeout, CTLFLAG_RD, &cnt.v_vnodeout, 0, "Vnodeout operations");
264SYSCTL_INT(_vm_stats_vm, OID_AUTO,
265 v_vnodepgsin, CTLFLAG_RD, &cnt.v_vnodepgsin, 0, "Vnodein pages");
266SYSCTL_INT(_vm_stats_vm, OID_AUTO,
267 v_vnodepgsout, CTLFLAG_RD, &cnt.v_vnodepgsout, 0, "Vnodeout pages");
268SYSCTL_INT(_vm_stats_vm, OID_AUTO,
269 v_intrans, CTLFLAG_RD, &cnt.v_intrans, 0, "In transit page blocking");
270SYSCTL_INT(_vm_stats_vm, OID_AUTO,
271 v_reactivated, CTLFLAG_RD, &cnt.v_reactivated, 0, "Reactivated pages");
272SYSCTL_INT(_vm_stats_vm, OID_AUTO,
273 v_pdwakeups, CTLFLAG_RD, &cnt.v_pdwakeups, 0, "Pagedaemon wakeups");
274SYSCTL_INT(_vm_stats_vm, OID_AUTO,
275 v_pdpages, CTLFLAG_RD, &cnt.v_pdpages, 0, "Pagedaemon page scans");
276SYSCTL_INT(_vm_stats_vm, OID_AUTO,
277 v_dfree, CTLFLAG_RD, &cnt.v_dfree, 0, "");
278SYSCTL_INT(_vm_stats_vm, OID_AUTO,
279 v_pfree, CTLFLAG_RD, &cnt.v_pfree, 0, "");
280SYSCTL_INT(_vm_stats_vm, OID_AUTO,
281 v_tfree, CTLFLAG_RD, &cnt.v_tfree, 0, "");
282SYSCTL_INT(_vm_stats_vm, OID_AUTO,
283 v_page_size, CTLFLAG_RD, &cnt.v_page_size, 0, "");
284SYSCTL_INT(_vm_stats_vm, OID_AUTO,
285 v_page_count, CTLFLAG_RD, &cnt.v_page_count, 0, "");
286SYSCTL_INT(_vm_stats_vm, OID_AUTO,
287 v_free_reserved, CTLFLAG_RD, &cnt.v_free_reserved, 0, "");
288SYSCTL_INT(_vm_stats_vm, OID_AUTO,
289 v_free_target, CTLFLAG_RD, &cnt.v_free_target, 0, "");
290SYSCTL_INT(_vm_stats_vm, OID_AUTO,
291 v_free_min, CTLFLAG_RD, &cnt.v_free_min, 0, "");
292SYSCTL_INT(_vm_stats_vm, OID_AUTO,
293 v_free_count, CTLFLAG_RD, &cnt.v_free_count, 0, "");
294SYSCTL_INT(_vm_stats_vm, OID_AUTO,
295 v_wire_count, CTLFLAG_RD, &cnt.v_wire_count, 0, "");
296SYSCTL_INT(_vm_stats_vm, OID_AUTO,
297 v_active_count, CTLFLAG_RD, &cnt.v_active_count, 0, "");
298SYSCTL_INT(_vm_stats_vm, OID_AUTO,
299 v_inactive_target, CTLFLAG_RD, &cnt.v_inactive_target, 0, "");
300SYSCTL_INT(_vm_stats_vm, OID_AUTO,
301 v_inactive_count, CTLFLAG_RD, &cnt.v_inactive_count, 0, "");
302SYSCTL_INT(_vm_stats_vm, OID_AUTO,
303 v_cache_count, CTLFLAG_RD, &cnt.v_cache_count, 0, "");
304SYSCTL_INT(_vm_stats_vm, OID_AUTO,
305 v_cache_min, CTLFLAG_RD, &cnt.v_cache_min, 0, "");
306SYSCTL_INT(_vm_stats_vm, OID_AUTO,
307 v_cache_max, CTLFLAG_RD, &cnt.v_cache_max, 0, "");
308SYSCTL_INT(_vm_stats_vm, OID_AUTO,
309 v_pageout_free_min, CTLFLAG_RD, &cnt.v_pageout_free_min, 0, "");
310SYSCTL_INT(_vm_stats_vm, OID_AUTO,
311 v_interrupt_free_min, CTLFLAG_RD, &cnt.v_interrupt_free_min, 0, "");
312SYSCTL_INT(_vm_stats_misc, OID_AUTO,
313 zero_page_count, CTLFLAG_RD, &vm_page_zero_count, 0, "");
314#if 0
315SYSCTL_INT(_vm_stats_misc, OID_AUTO,
316 page_mask, CTLFLAG_RD, &page_mask, 0, "");
317SYSCTL_INT(_vm_stats_misc, OID_AUTO,
318 page_shift, CTLFLAG_RD, &page_shift, 0, "");
319SYSCTL_INT(_vm_stats_misc, OID_AUTO,
320 first_page, CTLFLAG_RD, &first_page, 0, "");
321SYSCTL_INT(_vm_stats_misc, OID_AUTO,
322 last_page, CTLFLAG_RD, &last_page, 0, "");
323SYSCTL_INT(_vm_stats_misc, OID_AUTO,
324 vm_page_bucket_count, CTLFLAG_RD, &vm_page_bucket_count, 0, "");
325SYSCTL_INT(_vm_stats_misc, OID_AUTO,
326 vm_page_hash_mask, CTLFLAG_RD, &vm_page_hash_mask, 0, "");
327#endif
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
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)vm_meter.c 8.4 (Berkeley) 1/4/94
34 * $FreeBSD: head/sys/vm/vm_meter.c 62573 2000-07-04 11:25:35Z phk $
35 */
36
37#include <sys/param.h>
38#include <sys/proc.h>
39#include <sys/systm.h>
40#include <sys/kernel.h>
41#include <sys/resource.h>
42#include <sys/vmmeter.h>
43
44#include <vm/vm.h>
45#include <vm/vm_page.h>
46#include <vm/vm_extern.h>
47#include <vm/vm_param.h>
48#include <sys/lock.h>
49#include <vm/pmap.h>
50#include <vm/vm_map.h>
51#include <vm/vm_object.h>
52#include <sys/sysctl.h>
53
54struct loadavg averunnable =
55 { {0, 0, 0}, FSCALE }; /* load average, of runnable procs */
56
57struct vmmeter cnt;
58
59static int maxslp = MAXSLP;
60
61/*
62 * Constants for averages over 1, 5, and 15 minutes
63 * when sampling at 5 second intervals.
64 */
65static fixpt_t cexp[3] = {
66 0.9200444146293232 * FSCALE, /* exp(-1/12) */
67 0.9834714538216174 * FSCALE, /* exp(-1/60) */
68 0.9944598480048967 * FSCALE, /* exp(-1/180) */
69};
70
71/*
72 * Compute a tenex style load average of a quantity on
73 * 1, 5 and 15 minute intervals.
74 */
75static void
76loadav(struct loadavg *avg)
77{
78 register int i, nrun;
79 register struct proc *p;
80
81 for (nrun = 0, p = allproc.lh_first; p != 0; p = p->p_list.le_next) {
82 switch (p->p_stat) {
83 case SSLEEP:
84 if (p->p_priority > PZERO || p->p_slptime != 0)
85 continue;
86 /* FALLTHROUGH */
87 case SRUN:
88 case SIDL:
89 nrun++;
90 }
91 }
92 for (i = 0; i < 3; i++)
93 avg->ldavg[i] = (cexp[i] * avg->ldavg[i] +
94 nrun * FSCALE * (FSCALE - cexp[i])) >> FSHIFT;
95}
96
97void
98vmmeter()
99{
100
101 if (time_second % 5 == 0)
102 loadav(&averunnable);
103 if (proc0.p_slptime > maxslp / 2)
104 wakeup(&proc0);
105}
106
107SYSCTL_INT(_vm, VM_V_FREE_MIN, v_free_min,
108 CTLFLAG_RW, &cnt.v_free_min, 0, "");
109SYSCTL_INT(_vm, VM_V_FREE_TARGET, v_free_target,
110 CTLFLAG_RW, &cnt.v_free_target, 0, "");
111SYSCTL_INT(_vm, VM_V_FREE_RESERVED, v_free_reserved,
112 CTLFLAG_RW, &cnt.v_free_reserved, 0, "");
113SYSCTL_INT(_vm, VM_V_INACTIVE_TARGET, v_inactive_target,
114 CTLFLAG_RW, &cnt.v_inactive_target, 0, "");
115SYSCTL_INT(_vm, VM_V_CACHE_MIN, v_cache_min,
116 CTLFLAG_RW, &cnt.v_cache_min, 0, "");
117SYSCTL_INT(_vm, VM_V_CACHE_MAX, v_cache_max,
118 CTLFLAG_RW, &cnt.v_cache_max, 0, "");
119SYSCTL_INT(_vm, VM_V_PAGEOUT_FREE_MIN, v_pageout_free_min,
120 CTLFLAG_RW, &cnt.v_pageout_free_min, 0, "");
121SYSCTL_INT(_vm, OID_AUTO, v_free_severe,
122 CTLFLAG_RW, &cnt.v_free_severe, 0, "");
123
124SYSCTL_STRUCT(_vm, VM_LOADAVG, loadavg, CTLFLAG_RD,
125 &averunnable, loadavg, "Machine loadaverage history");
126
127static int
128vmtotal(SYSCTL_HANDLER_ARGS)
129{
130 struct proc *p;
131 struct vmtotal total, *totalp;
132 vm_map_entry_t entry;
133 vm_object_t object;
134 vm_map_t map;
135 int paging;
136
137 totalp = &total;
138 bzero(totalp, sizeof *totalp);
139 /*
140 * Mark all objects as inactive.
141 */
142 for (object = TAILQ_FIRST(&vm_object_list);
143 object != NULL;
144 object = TAILQ_NEXT(object,object_list))
145 vm_object_clear_flag(object, OBJ_ACTIVE);
146 /*
147 * Calculate process statistics.
148 */
149 for (p = allproc.lh_first; p != 0; p = p->p_list.le_next) {
150 if (p->p_flag & P_SYSTEM)
151 continue;
152 switch (p->p_stat) {
153 case 0:
154 continue;
155
156 case SSLEEP:
157 case SSTOP:
158 if (p->p_flag & P_INMEM) {
159 if (p->p_priority <= PZERO)
160 totalp->t_dw++;
161 else if (p->p_slptime < maxslp)
162 totalp->t_sl++;
163 } else if (p->p_slptime < maxslp)
164 totalp->t_sw++;
165 if (p->p_slptime >= maxslp)
166 continue;
167 break;
168
169 case SRUN:
170 case SIDL:
171 if (p->p_flag & P_INMEM)
172 totalp->t_rq++;
173 else
174 totalp->t_sw++;
175 if (p->p_stat == SIDL)
176 continue;
177 break;
178 }
179 /*
180 * Note active objects.
181 */
182 paging = 0;
183 for (map = &p->p_vmspace->vm_map, entry = map->header.next;
184 entry != &map->header; entry = entry->next) {
185 if ((entry->eflags & MAP_ENTRY_IS_SUB_MAP) ||
186 entry->object.vm_object == NULL)
187 continue;
188 vm_object_set_flag(entry->object.vm_object, OBJ_ACTIVE);
189 paging |= entry->object.vm_object->paging_in_progress;
190 }
191 if (paging)
192 totalp->t_pw++;
193 }
194 /*
195 * Calculate object memory usage statistics.
196 */
197 for (object = TAILQ_FIRST(&vm_object_list);
198 object != NULL;
199 object = TAILQ_NEXT(object, object_list)) {
200 /*
201 * devices, like /dev/mem, will badly skew our totals
202 */
203 if (object->type == OBJT_DEVICE)
204 continue;
205 totalp->t_vm += object->size;
206 totalp->t_rm += object->resident_page_count;
207 if (object->flags & OBJ_ACTIVE) {
208 totalp->t_avm += object->size;
209 totalp->t_arm += object->resident_page_count;
210 }
211 if (object->shadow_count > 1) {
212 /* shared object */
213 totalp->t_vmshr += object->size;
214 totalp->t_rmshr += object->resident_page_count;
215 if (object->flags & OBJ_ACTIVE) {
216 totalp->t_avmshr += object->size;
217 totalp->t_armshr += object->resident_page_count;
218 }
219 }
220 }
221 totalp->t_free = cnt.v_free_count + cnt.v_cache_count;
222 return (sysctl_handle_opaque(oidp, totalp, sizeof total, req));
223}
224
225SYSCTL_PROC(_vm, VM_METER, vmmeter, CTLTYPE_OPAQUE|CTLFLAG_RD,
226 0, sizeof(struct vmtotal), vmtotal, "S,vmtotal",
227 "System virtual memory statistics");
228SYSCTL_NODE(_vm, OID_AUTO, stats, CTLFLAG_RW, 0, "VM meter stats");
229SYSCTL_NODE(_vm_stats, OID_AUTO, sys, CTLFLAG_RW, 0, "VM meter sys stats");
230SYSCTL_NODE(_vm_stats, OID_AUTO, vm, CTLFLAG_RW, 0, "VM meter vm stats");
231SYSCTL_NODE(_vm_stats, OID_AUTO, misc, CTLFLAG_RW, 0, "VM meter misc stats");
232SYSCTL_INT(_vm_stats_sys, OID_AUTO,
233 v_swtch, CTLFLAG_RD, &cnt.v_swtch, 0, "Context switches");
234SYSCTL_INT(_vm_stats_sys, OID_AUTO,
235 v_trap, CTLFLAG_RD, &cnt.v_trap, 0, "Traps");
236SYSCTL_INT(_vm_stats_sys, OID_AUTO,
237 v_syscall, CTLFLAG_RD, &cnt.v_syscall, 0, "Syscalls");
238SYSCTL_INT(_vm_stats_sys, OID_AUTO, v_intr, CTLFLAG_RD,
239 &cnt.v_intr, 0, "Hardware interrupts");
240SYSCTL_INT(_vm_stats_sys, OID_AUTO, v_soft, CTLFLAG_RD,
241 &cnt.v_soft, 0, "Software interrupts");
242SYSCTL_INT(_vm_stats_vm, OID_AUTO,
243 v_vm_faults, CTLFLAG_RD, &cnt.v_vm_faults, 0, "VM faults");
244SYSCTL_INT(_vm_stats_vm, OID_AUTO,
245 v_cow_faults, CTLFLAG_RD, &cnt.v_cow_faults, 0, "COW faults");
246SYSCTL_INT(_vm_stats_vm, OID_AUTO,
247 v_cow_optim, CTLFLAG_RD, &cnt.v_cow_optim, 0, "Optimized COW faults");
248SYSCTL_INT(_vm_stats_vm, OID_AUTO,
249 v_zfod, CTLFLAG_RD, &cnt.v_zfod, 0, "Zero fill");
250SYSCTL_INT(_vm_stats_vm, OID_AUTO,
251 v_ozfod, CTLFLAG_RD, &cnt.v_ozfod, 0, "Optimized zero fill");
252SYSCTL_INT(_vm_stats_vm, OID_AUTO,
253 v_swapin, CTLFLAG_RD, &cnt.v_swapin, 0, "Swapin operations");
254SYSCTL_INT(_vm_stats_vm, OID_AUTO,
255 v_swapout, CTLFLAG_RD, &cnt.v_swapout, 0, "Swapout operations");
256SYSCTL_INT(_vm_stats_vm, OID_AUTO,
257 v_swappgsin, CTLFLAG_RD, &cnt.v_swappgsin, 0, "Swapin pages");
258SYSCTL_INT(_vm_stats_vm, OID_AUTO,
259 v_swappgsout, CTLFLAG_RD, &cnt.v_swappgsout, 0, "Swapout pages");
260SYSCTL_INT(_vm_stats_vm, OID_AUTO,
261 v_vnodein, CTLFLAG_RD, &cnt.v_vnodein, 0, "Vnodein operations");
262SYSCTL_INT(_vm_stats_vm, OID_AUTO,
263 v_vnodeout, CTLFLAG_RD, &cnt.v_vnodeout, 0, "Vnodeout operations");
264SYSCTL_INT(_vm_stats_vm, OID_AUTO,
265 v_vnodepgsin, CTLFLAG_RD, &cnt.v_vnodepgsin, 0, "Vnodein pages");
266SYSCTL_INT(_vm_stats_vm, OID_AUTO,
267 v_vnodepgsout, CTLFLAG_RD, &cnt.v_vnodepgsout, 0, "Vnodeout pages");
268SYSCTL_INT(_vm_stats_vm, OID_AUTO,
269 v_intrans, CTLFLAG_RD, &cnt.v_intrans, 0, "In transit page blocking");
270SYSCTL_INT(_vm_stats_vm, OID_AUTO,
271 v_reactivated, CTLFLAG_RD, &cnt.v_reactivated, 0, "Reactivated pages");
272SYSCTL_INT(_vm_stats_vm, OID_AUTO,
273 v_pdwakeups, CTLFLAG_RD, &cnt.v_pdwakeups, 0, "Pagedaemon wakeups");
274SYSCTL_INT(_vm_stats_vm, OID_AUTO,
275 v_pdpages, CTLFLAG_RD, &cnt.v_pdpages, 0, "Pagedaemon page scans");
276SYSCTL_INT(_vm_stats_vm, OID_AUTO,
277 v_dfree, CTLFLAG_RD, &cnt.v_dfree, 0, "");
278SYSCTL_INT(_vm_stats_vm, OID_AUTO,
279 v_pfree, CTLFLAG_RD, &cnt.v_pfree, 0, "");
280SYSCTL_INT(_vm_stats_vm, OID_AUTO,
281 v_tfree, CTLFLAG_RD, &cnt.v_tfree, 0, "");
282SYSCTL_INT(_vm_stats_vm, OID_AUTO,
283 v_page_size, CTLFLAG_RD, &cnt.v_page_size, 0, "");
284SYSCTL_INT(_vm_stats_vm, OID_AUTO,
285 v_page_count, CTLFLAG_RD, &cnt.v_page_count, 0, "");
286SYSCTL_INT(_vm_stats_vm, OID_AUTO,
287 v_free_reserved, CTLFLAG_RD, &cnt.v_free_reserved, 0, "");
288SYSCTL_INT(_vm_stats_vm, OID_AUTO,
289 v_free_target, CTLFLAG_RD, &cnt.v_free_target, 0, "");
290SYSCTL_INT(_vm_stats_vm, OID_AUTO,
291 v_free_min, CTLFLAG_RD, &cnt.v_free_min, 0, "");
292SYSCTL_INT(_vm_stats_vm, OID_AUTO,
293 v_free_count, CTLFLAG_RD, &cnt.v_free_count, 0, "");
294SYSCTL_INT(_vm_stats_vm, OID_AUTO,
295 v_wire_count, CTLFLAG_RD, &cnt.v_wire_count, 0, "");
296SYSCTL_INT(_vm_stats_vm, OID_AUTO,
297 v_active_count, CTLFLAG_RD, &cnt.v_active_count, 0, "");
298SYSCTL_INT(_vm_stats_vm, OID_AUTO,
299 v_inactive_target, CTLFLAG_RD, &cnt.v_inactive_target, 0, "");
300SYSCTL_INT(_vm_stats_vm, OID_AUTO,
301 v_inactive_count, CTLFLAG_RD, &cnt.v_inactive_count, 0, "");
302SYSCTL_INT(_vm_stats_vm, OID_AUTO,
303 v_cache_count, CTLFLAG_RD, &cnt.v_cache_count, 0, "");
304SYSCTL_INT(_vm_stats_vm, OID_AUTO,
305 v_cache_min, CTLFLAG_RD, &cnt.v_cache_min, 0, "");
306SYSCTL_INT(_vm_stats_vm, OID_AUTO,
307 v_cache_max, CTLFLAG_RD, &cnt.v_cache_max, 0, "");
308SYSCTL_INT(_vm_stats_vm, OID_AUTO,
309 v_pageout_free_min, CTLFLAG_RD, &cnt.v_pageout_free_min, 0, "");
310SYSCTL_INT(_vm_stats_vm, OID_AUTO,
311 v_interrupt_free_min, CTLFLAG_RD, &cnt.v_interrupt_free_min, 0, "");
312SYSCTL_INT(_vm_stats_misc, OID_AUTO,
313 zero_page_count, CTLFLAG_RD, &vm_page_zero_count, 0, "");
314#if 0
315SYSCTL_INT(_vm_stats_misc, OID_AUTO,
316 page_mask, CTLFLAG_RD, &page_mask, 0, "");
317SYSCTL_INT(_vm_stats_misc, OID_AUTO,
318 page_shift, CTLFLAG_RD, &page_shift, 0, "");
319SYSCTL_INT(_vm_stats_misc, OID_AUTO,
320 first_page, CTLFLAG_RD, &first_page, 0, "");
321SYSCTL_INT(_vm_stats_misc, OID_AUTO,
322 last_page, CTLFLAG_RD, &last_page, 0, "");
323SYSCTL_INT(_vm_stats_misc, OID_AUTO,
324 vm_page_bucket_count, CTLFLAG_RD, &vm_page_bucket_count, 0, "");
325SYSCTL_INT(_vm_stats_misc, OID_AUTO,
326 vm_page_hash_mask, CTLFLAG_RD, &vm_page_hash_mask, 0, "");
327#endif