Difference between revisions of "Vmstat"
From Linuxintro
imported>ThorstenStaerk |
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$ [[vmstat]] 10 | $ [[vmstat]] 10 | ||
procs -----------memory---------- ---swap-- -----io---- -system-- -----cpu------ | procs -----------memory---------- ---swap-- -----io---- -system-- -----cpu------ | ||
| − | <html>< | + | <html><acronym title="number of processes in the runnable queue">r</acronym><span title="number of blocked processes"> b</span> <span title="swapped memory">swpd</span> <span title="free memory">free</span></font></html> [[wikipedia:Buffer|buff]] [[wikipedia:Cache|cache]] <html><font color=blue><span title="swap in (from disk)">si</span> <span title="swap out (to disk)">so</span> <span title="I/O blocks in (from a block device)">bi</span> <span title="I/O blocks out (to a block device)">bo</span> <span title="interrupts">in</span></font></html> [[wikipedia:Context_switch|cs]] <html><font color=blue><span title="user load">us</span><span title="system load"> sy</span><span title="idle time"> id</span><span title="wait time"> wa</span><span title="time 'stolen' by a virtual machine"> st</span></font></html> |
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 | ||
| Line 10: | Line 10: | ||
0 0 304 2211380 534660 453608 0 0 0 4 361 1447 0 0 100 0 0 | 0 0 304 2211380 534660 453608 0 0 0 4 361 1447 0 0 100 0 0 | ||
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= See also = | = See also = | ||
* [[diagnostics]] | * [[diagnostics]] | ||
Revision as of 18:26, 29 June 2011
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------ <html><acronym title="number of processes in the runnable queue">r</acronym> b swpd free</html> buff cache <html>si so bi bo in</html> cs <html>us sy id wa st</html> 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
