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43 строки
1.1 KiB
Plaintext
43 строки
1.1 KiB
Plaintext
community/sysstat
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a collection of performance monitoring tools (iostat,isag,mpstat,pidstat,sadf,sar)
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2022
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LearnLinuxTV - Linux Essentials - The sar Command 0:00 of 8:39
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https://www.youtube.com/watch?v=D5fMGFZoFT8
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2020
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https://www.linuxtechi.com/generate-cpu-memory-io-report-sar-command/
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https://www.computerhope.com/unix/usar.htm
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need:
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sar -b -r -u -o f.sar 1 600
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sar -b -r -P ALL -o f.sar 1 600
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sar
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-b I/O and transfer rate statistics
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[A_IO]
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interesting colums: tps, rtps, wtps
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-r [ALL] memory utilization statistics
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[A_MEMORY]
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interesting collection: kbmemused
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-u [ALL] CPU utilization statistics
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[A_CPU]
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utilization = (user + nice + system)
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interesting collection: %user, %usr, %nice
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-d
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Block devices statistics [A_DISK]
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-P <core-num>
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... cpu for given core
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-S swap space utilization statistics
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(kbswpfree kbswpused %swpused kbswpcad %swpcad)
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-W swapping statistics
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[A_SWAP]
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-P <pid|ALL>
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???
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-o <file-to-save>
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