The vminfo
provider makes available probes that correspond to the fields in the vm
named kernel statistic: a probe provided by vminfo
fires immediately before the corresponding vm
value is incremented. To display both the names and the current values of the vm
named kernel statistic, use the
kstat
(
1M
)
command, as shown in the following example:
$ kstat -n vm
module: cpu instance: 0
name: vm class: misc
anonfree 13
anonpgin 2620
anonpgout 13
as_fault 12528831
cow_fault 2278711
crtime 202.10625712
dfree 1328740
execfree 0
execpgin 5541
...
The vminfo
probes are described in Table 24–1.
Table 24.1.
vminfo
Probes
|
Probe that fires whenever an unmodified anonymous page is freed as part of paging activity. Anonymous pages are those that are not associated with a file. Memory containing such pages includes heap memory, stack memory, or memory obtained by explicitly mapping zero ( 7D ) . |
|
Probe that fires whenever an anonymous page is paged in from a swap device. |
|
Probe that fires whenever a modified anonymous page is paged out to a swap device. |
|
Probe that fires whenever a fault is taken on a page and the fault is neither a protection fault nor a copy-on-write fault. |
|
Probe that fires whenever a copy-on-write fault is taken on a page. |
|
Probe that fires whenever a page is freed as a result of paging activity. Whenever |
|
Probe that fires whenever an unmodified executable page is freed as a result of paging activity. |
|
Probe that fires whenever an executable page is paged in from the backing store. |
|
Probe that fires whenever a modified executable page is paged out to the backing store. Most paging of executable pages occurs in terms of |
|
Probe that fires whenever an unmodified file system data page is freed as part of paging activity. |
|
Probe that fires whenever a file system page is paged in from the backing store. |
|
Probe that fires whenever a modified file system page is paged out to the backing store. |
|
Probe that fires whenever a page fault is taken by the kernel on a page in its own address space. Whenever |
|
Probe that fires whenever a page fault is taken that results in I/O from a backing store or swap device. Whenever |
|
Probe that fires whenever a page is reclaimed off of the free page list. |
|
Probe that fires whenever a page is paged in from the backing store or from a swap device. This probe differs from |
|
Probe that fires whenever a page is paged out to the backing store or to a swap device. |
|
Probe that fires whenever a page is paged in from the backing store or from a swap device. The only difference between |
|
Probe that fires whenever a page is paged out to the backing store or to a swap device. The only difference between |
|
Probe that fires whenever a page is reclaimed. |
|
Probe that fires whenever the pager is scheduled. |
|
Probe that fires whenever pages from a swapped-out process are swapped in. The number of pages swapped in is contained in |
|
Probe that fires whenever pages are swapped out as part of swapping out a process. The number of pages swapped out is contained in |
|
Probe that fires whenever a page fault is taken due to a protection violation. |
|
Probe that fires whenever the page daemon begins a new revolution through all pages. |
|
Probe that fires whenever the page daemon examines a page. |
|
Probe that fires whenever a page is faulted as a part of placing a software lock on the page. |
|
Probe that fires whenever a swapped-out process is swapped back in. |
|
Probe that fires whenever a process is swapped out. |
|
Probe that fires whenever a zero-filled page is created on demand. |