vmstats
struct vmstats vms;
gd->gd_vmstats = vmstats;
mycpu->gd_vmstats = vmstats;
lim = ptoa((rlim_t)vmstats.v_free_count);
limsize = (size_t)vmstats.v_page_count * PAGE_SIZE;
if (vmstats.v_page_count == 0)
if (vmstats.v_page_count == 0)
if (pmax > vmstats.v_free_count)
pmax = vmstats.v_free_count;
shminfo.shmall = (size_t)vmstats.v_page_count * 2 / 3;
vmstats.v_wire_count++;
int trigger = (long)vmstats.v_page_count / (activevnodes * 2 + 1);
freemem = (int64_t)vmstats.v_page_count * PAGE_SIZE;
u_long usermem = ctob(physmem - vmstats.v_wire_count);
(uintmax_t)ptoa(vmstats.v_free_count + vmstats.v_dma_pages),
(uintmax_t)ptoa(vmstats.v_free_count + vmstats.v_dma_pages) /
if (vmstats.v_page_count < 7LL * 1024 * 1024 * 1024 / PAGE_SIZE)
vmstats.v_free_count < vmstats.v_free_reserved) {
vmstats.v_free_count < vmstats.v_free_reserved) {
kprintf("avail memory = %lu (%luK bytes)\n", ptoa(vmstats.v_free_count),
ptoa(vmstats.v_free_count) / 1024);
u_long usermem = ctob(Maxmem - vmstats.v_wire_count);
struct vmstats gd_vmstats; /* pcpu local copy of vmstats */
struct vmstats gd_vmstats_adj; /* pcpu adj for vmstats */
extern struct vmstats vmstats;
pages_limit = vm_swap_max + vmstats.v_page_count / 2;
n = vmstats.v_page_count / 2;
for (i = start; i < vmstats.v_page_count; i++) {
if ((i == vmstats.v_page_count) ||
vmstats.v_inactive_count);
vmstats.v_active_count);
rss_limit = max(vmstats.v_free_count, 512);
total.t_free = vmstats.v_free_count + vmstats.v_cache_count;
struct vmstats vms = vmstats;
SYSCTL_PROC(_vm, OID_AUTO, vmstats, CTLTYPE_OPAQUE|CTLFLAG_RD,
0, sizeof(struct vmstats), do_vmstats, "S,vmstats",
v_page_size, CTLFLAG_RD, &vmstats.v_page_size, 0,
v_page_count, CTLFLAG_RD, &vmstats.v_page_count, 0,
v_free_reserved, CTLFLAG_RD, &vmstats.v_free_reserved, 0,
v_free_min, CTLFLAG_RD, &vmstats.v_free_min, 0,
v_paging_wait, CTLFLAG_RW, &vmstats.v_paging_wait, 0,
v_paging_start, CTLFLAG_RW, &vmstats.v_paging_start, 0,
v_paging_target1, CTLFLAG_RW, &vmstats.v_paging_target1, 0,
v_paging_target2, CTLFLAG_RW, &vmstats.v_paging_target2, 0,
v_free_count, CTLFLAG_RD, &vmstats.v_free_count, 0,
v_wire_count, CTLFLAG_RD, &vmstats.v_wire_count, 0,
v_active_count, CTLFLAG_RD, &vmstats.v_active_count, 0,
v_inactive_target, CTLFLAG_RD, &vmstats.v_inactive_target, 0,
v_inactive_count, CTLFLAG_RD, &vmstats.v_inactive_count, 0,
v_cache_count, CTLFLAG_RD, &vmstats.v_cache_count, 0,
v_pageout_free_min, CTLFLAG_RD, &vmstats.v_pageout_free_min, 0,
v_interrupt_free_min, CTLFLAG_RD, &vmstats.v_interrupt_free_min, 0,
kcollect_setvalue(KCOLLECT_MEMFRE, PTOB(vmstats.v_free_count));
kcollect_setvalue(KCOLLECT_MEMCAC, PTOB(vmstats.v_cache_count));
kcollect_setvalue(KCOLLECT_MEMINA, PTOB(vmstats.v_inactive_count));
kcollect_setvalue(KCOLLECT_MEMACT, PTOB(vmstats.v_active_count));
kcollect_setvalue(KCOLLECT_MEMWIR, PTOB(vmstats.v_wire_count));
PTOB(vmstats.v_page_count)));
PTOB(vmstats.v_page_count)));
PTOB(vmstats.v_page_count)));
PTOB(vmstats.v_page_count)));
PTOB(vmstats.v_page_count)));
mycpu->gd_vmstats = vmstats;
atomic_add_long(&vmstats.v_free_count, value);
atomic_add_long(&vmstats.v_cache_count, value);
atomic_add_long(&vmstats.v_inactive_count, value);
atomic_add_long(&vmstats.v_active_count, value);
atomic_add_long(&vmstats.v_wire_count, value);
__exclusive_cache_line struct vmstats vmstats;
CTLFLAG_RW, &vmstats.v_free_min, 0,
CTLFLAG_RW, &vmstats.v_paging_wait, 0,
CTLFLAG_RW, &vmstats.v_paging_start, 0,
CTLFLAG_RW, &vmstats.v_paging_target1, 0,
CTLFLAG_RW, &vmstats.v_paging_target2, 0,
CTLFLAG_RW, &vmstats.v_free_reserved, 0,
CTLFLAG_RW, &vmstats.v_inactive_target, 0,
CTLFLAG_RW, &vmstats.v_pageout_free_min, 0,
CTLFLAG_RW, &vmstats.v_free_severe, 0, "");
if (atop(size) + vmstats.v_wire_count > vm_page_max_wired)
cnt_adj = (long *)((char *)&vmstats + pq->cnt_offset);
offsetof(struct vmstats, v_free_count);
offsetof(struct vmstats, v_cache_count);
offsetof(struct vmstats, v_inactive_count);
offsetof(struct vmstats, v_active_count);
offsetof(struct vmstats, v_active_count);
if (vmstats.v_page_size == 0)
vmstats.v_page_size = PAGE_SIZE;
if (((vmstats.v_page_size - 1) & vmstats.v_page_size) != 0)
atomic_add_long(&vmstats.v_page_count, 1);
atomic_add_long(&vmstats.v_dma_pages, 1);
atomic_add_long(&vmstats.v_wire_count, 1);
tsleep(&vmstats.v_free_count, 0, "vmwait", timo);
tsleep(&vmstats.v_free_count, 0, "pfault",
atomic_add_long(&vmstats.v_page_count, 1);
atomic_add_long(&vmstats.v_free_count, 1);
wakeup(&vmstats.v_free_count);
db_printf("vmstats.v_free_count: %ld\n", vmstats.v_free_count);
db_printf("vmstats.v_cache_count: %ld\n", vmstats.v_cache_count);
db_printf("vmstats.v_inactive_count: %ld\n", vmstats.v_inactive_count);
db_printf("vmstats.v_active_count: %ld\n", vmstats.v_active_count);
db_printf("vmstats.v_wire_count: %ld\n", vmstats.v_wire_count);
db_printf("vmstats.v_free_reserved: %ld\n", vmstats.v_free_reserved);
db_printf("vmstats.v_free_min: %ld\n", vmstats.v_free_min);
db_printf("vmstats.v_free_target: %ld\n", vmstats.v_free_target);
vmstats.v_inactive_target);
db_printf("vmstats.v_paging_wait: %ld\n", vmstats.v_paging_wait);
db_printf("vmstats.v_paging_start: %ld\n", vmstats.v_paging_start);
db_printf("vmstats.v_paging_target1: %ld\n", vmstats.v_paging_target1);
db_printf("vmstats.v_paging_target2: %ld\n", vmstats.v_paging_target2);
vmstats.v_page_count = 0;
vmstats.v_free_count = 0;
mycpu->gd_vmstats = vmstats;
atomic_add_long(&vmstats.v_dma_pages, -(long)count);
(intmax_t)(vmstats.v_dma_pages - vm_contig_alist.bl_free) *
delta = vmstats.v_paging_wait - vmstats.v_free_min - 1;
while ((vmstats.v_free_count < vmstats.v_free_target ||
vmstats.v_free_count < vmstats.v_free_min) &&
vmstats.v_cache_count > VM_CACHE_SCAN_MIN)
wakeup(&vmstats.v_free_count);
if (vmstats.v_active_count < vmstats.v_free_count +
vmstats.v_cache_count +
vmstats.v_inactive_count)
vmstats.v_free_min = 64 + vmstats.v_page_count / 200;
vmstats.v_free_reserved = vmstats.v_free_min * 4 / 8 + 7;
vmstats.v_free_severe = vmstats.v_free_min * 4 / 8 + 0;
vmstats.v_pageout_free_min = vmstats.v_free_min * 2 / 8 + 7;
vmstats.v_interrupt_free_min = vmstats.v_free_min * 1 / 8 + 7;
vm_pageout_free_page_calc(vmstats.v_page_count);
vmstats.v_free_target = vmstats.v_free_min * 2;
vmstats.v_paging_wait = vmstats.v_free_min * 2;
vmstats.v_paging_start = vmstats.v_free_min * 3;
vmstats.v_paging_target1 = vmstats.v_free_min * 4;
vmstats.v_paging_target2 = vmstats.v_free_min * 5;
vmstats.v_inactive_target = vmstats.v_free_count / 16;
vm_page_max_wired = vmstats.v_free_count / 3;
vm_pageout_stats_scan = vmstats.v_free_count / PQ_L2_SIZE / 16;
use > vmstats.v_inactive_target / 10)
use = vmstats.v_inactive_target / 10 + 1;
inactive_shortage = vmstats.v_inactive_target -
vmstats.v_inactive_count;
if (tmp > vmstats.v_inactive_target / 10)
tmp = vmstats.v_inactive_target / 10;
if (vmstats.v_inactive_count >
vmstats.v_inactive_target)
wakeup(&vmstats.v_free_count);
wakeup(&vmstats.v_free_count);
if (vmstats.v_free_count + vmstats.v_cache_count + pq_active_clean +
hyst = vmstats.v_inactive_count / 4;
if ((vmstats.v_free_count + vmstats.v_cache_count) <
vmstats.v_pageout_free_min) {
struct vmstats vms;
struct vmstats Vms;
struct vmstats vms;
struct vmstats vms, ovms;