Difference between revisions of "Vmstat"
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| − | [[vmstat]] is a command that allows you to watch what your computer is doing, e.g. how many [[blocks]] are read in a specified timeframe. | + | [[vmstat]] is a [[command]] that allows you to watch what your computer is doing, e.g. how many [[blocks]] are read in a specified timeframe. |
To watch what has happened in 10 second-intervalls, issue: | To watch what has happened in 10 second-intervalls, issue: | ||
$ [[vmstat]] 10 | $ [[vmstat]] 10 | ||
procs -----------memory---------- ---swap-- -----io---- -system-- -----cpu------ | procs -----------memory---------- ---swap-- -----io---- -system-- -----cpu------ | ||
| − | < | + | <abbr title="number of processes in the runnable queue">r</abbr><abbr title="number of blocked processes"> b</abbr> <abbr title="swapped memory">swpd</abbr> <abbr title="free memory">free</abbr> [[wikipedia:Buffer|buff]] [[wikipedia:Cache|cache]] <abbr title="swap in (from disk)">si</abbr> <abbr title="swap out (to disk)">so</abbr> <abbr title="I/O blocks in (from a block device)">bi</abbr> <abbr title="I/O blocks out (to a block device)">bo</abbr> <abbr title="interrupts">in</abbr> [[wikipedia:Context_switch|cs]] <abbr title="user load">us</abbr><abbr title="system load"> sy</abbr><abbr title="idle time"> id</abbr><abbr title="wait time"> wa</abbr><abbr title="time 'stolen' by a virtual machine"> st</abbr> |
1 0 304 2211340 534660 453608 0 0 2 1 1 0 2 0 97 1 0 | 1 0 304 2211340 534660 453608 0 0 2 1 1 0 2 0 97 1 0 | ||
0 0 304 2211356 534660 453608 0 0 0 5 343 1393 0 0 100 0 0 | 0 0 304 2211356 534660 453608 0 0 0 5 343 1393 0 0 100 0 0 | ||
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= See also = | = See also = | ||
| − | * [http:// | + | * [[diagnostics]] |
| + | * [[xosview]] | ||
| + | * [[iostat]] | ||
| + | * [[sar]] | ||
| + | * [[top]] | ||
| + | * [http://linux.die.net/man/8/vmstat The vmstat man page] | ||
| + | |||
| + | [[Category:Analysis]] | ||
| + | [[Category:Command]] | ||
Latest revision as of 09:58, 20 April 2014
vmstat is a command that allows you to watch what your computer is doing, e.g. how many blocks are read in a specified timeframe.
To watch what has happened in 10 second-intervalls, issue:
$ vmstat 10 procs -----------memory---------- ---swap-- -----io---- -system-- -----cpu------ r b swpd free buff cache si so bi bo in cs us sy id wa st 1 0 304 2211340 534660 453608 0 0 2 1 1 0 2 0 97 1 0 0 0 304 2211356 534660 453608 0 0 0 5 343 1393 0 0 100 0 0 0 0 304 2211388 534660 453608 0 0 0 0 321 1248 0 0 100 0 0 0 0 304 2211380 534660 453608 0 0 0 4 361 1447 0 0 100 0 0
