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Why does command "stress -i 2" not increase the io_wait value? Only the system call went up

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kiner_shah
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ryanxw
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  • image maybe can't view. Add the specific parameters: top - 17:33:38 up 33 days, 7:48, 3 users, load average: 1.10, 0.91, 0.56 %Cpu(s): 0.7 us, 99.3 sy, 0.0 ni, 0.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st – ryanxw Dec 04 '21 at 09:33

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because of in vm host, stress -i call sync(), flush the cache to disk, but cache is less, so can not make iowait

ryanxw
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