2017-10-11 11:42:11 +01:00
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# sar
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> Monitor performance of various Linux subsystems.
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2022-03-21 17:07:48 +00:00
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> More information: <https://manned.org/sar>.
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2017-10-11 11:42:11 +01:00
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- Report I/O and transfer rate issued to physical devices, one per second (press CTRL+C to quit):
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`sar -b {{1}}`
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- Report a total of 10 network device statistics, one per 2 seconds:
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`sar -n DEV {{2}} {{10}}`
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- Report CPU utilization, one per 2 seconds:
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`sar -u ALL {{2}}`
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- Report a total of 20 memory utilization statistics, one per second:
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`sar -r ALL {{1}} {{20}}`
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- Report the run queue length and load averages, one per second:
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`sar -q {{1}}`
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- Report paging statistics, one per 5 seconds:
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`sar -B {{5}}`
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