1 VMSTAT(1M) Maintenance Commands VMSTAT(1M)
2
3
4
5 NAME
6 vmstat - report virtual memory statistics
7
8 SYNOPSIS
9 vmstat [-cipqsS] [-T u | d] [disks] [interval [count]]
10
11
12 DESCRIPTION
13 vmstat reports virtual memory statistics regarding kernel thread,
14 virtual memory, disk, trap, and CPU activity.
15
16
17 On MP (multi-processor) systems, vmstat averages the number of CPUs into
18 the output. For per-processor statistics, see mpstat(1M).
19
20
21 vmstat only supports statistics for certain devices. For more general
22 system statistics, use sar(1), iostat(1M), or sar(1M).
23
24
25 Without options, vmstat displays a one-line summary of the virtual
26 memory activity since the system was booted.
27
28
29 During execution of the kernel status command, the state of the system
30 can change. If relevant, a state change message is included in the
31 vmstat output, in one of the following forms:
32
33 <<device added: sd0>>
34 <<device removed: sd0>>
35 <<processors added: 1, 3>>
36 <<processors removed: 1, 3>>
37
38
39
40
41 See for device naming conventions for disks.
42
43 OPTIONS
44 The following options are supported:
45
46 -c
47 Report cache flushing statistics. This option is obsolete,
48 and no longer meaningful. This option might be removed in
49 a future version of Solaris.
50
51
52 -i
53 Report the number of interrupts per device. count and
54 interval does not apply to the -i option.
55
56
57 -p
58 Report paging activity in details. This option will
59 display the following, respectively:
60
61 epi
62 Executable page-ins.
63
64
65 epo
66 Executable page-outs.
67
68
69 epf
70 Executable page-frees.
71
295
296
297 +--------------------+-----------------+
298 | ATTRIBUTE TYPE | ATTRIBUTE VALUE |
299 +--------------------+-----------------+
300 |Interface Stability | See below. |
301 +--------------------+-----------------+
302
303
304 Invocation is evolving. Human readable output is unstable.
305
306 SEE ALSO
307 date(1), sar(1), iostat(1M), mpstat(1M), sar(1M), time(2),
308 attributes(5)
309
310 NOTES
311 The sum of CPU utilization might vary slightly from 100 because of
312 rounding errors in the production of a percentage figure.
313
314
315 The -c option (Report cache flushing statistics) is not supported in
316 this release.
317
318
319
320 March 23, 2009 VMSTAT(1M)
|
1 VMSTAT(1M) Maintenance Commands VMSTAT(1M)
2
3
4
5 NAME
6 vmstat - report virtual memory statistics
7
8 SYNOPSIS
9 vmstat [-ipqsS] [-T u | d] [disks] [interval [count]]
10
11
12 DESCRIPTION
13 vmstat reports virtual memory statistics regarding kernel thread,
14 virtual memory, disk, trap, and CPU activity.
15
16
17 On MP (multi-processor) systems, vmstat averages the number of CPUs into
18 the output. For per-processor statistics, see mpstat(1M).
19
20
21 vmstat only supports statistics for certain devices. For more general
22 system statistics, use sar(1), iostat(1M), or sar(1M).
23
24
25 Without options, vmstat displays a one-line summary of the virtual
26 memory activity since the system was booted.
27
28
29 During execution of the kernel status command, the state of the system
30 can change. If relevant, a state change message is included in the
31 vmstat output, in one of the following forms:
32
33 <<device added: sd0>>
34 <<device removed: sd0>>
35 <<processors added: 1, 3>>
36 <<processors removed: 1, 3>>
37
38
39
40
41 See for device naming conventions for disks.
42
43 OPTIONS
44 The following options are supported:
45
46 -i
47 Report the number of interrupts per device. count and
48 interval does not apply to the -i option.
49
50
51 -p
52 Report paging activity in details. This option will
53 display the following, respectively:
54
55 epi
56 Executable page-ins.
57
58
59 epo
60 Executable page-outs.
61
62
63 epf
64 Executable page-frees.
65
289
290
291 +--------------------+-----------------+
292 | ATTRIBUTE TYPE | ATTRIBUTE VALUE |
293 +--------------------+-----------------+
294 |Interface Stability | See below. |
295 +--------------------+-----------------+
296
297
298 Invocation is evolving. Human readable output is unstable.
299
300 SEE ALSO
301 date(1), sar(1), iostat(1M), mpstat(1M), sar(1M), time(2),
302 attributes(5)
303
304 NOTES
305 The sum of CPU utilization might vary slightly from 100 because of
306 rounding errors in the production of a percentage figure.
307
308
309
310
311 April 14, 2015 VMSTAT(1M)
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