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kipmi0 100% CPU workaround
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| echo 100 > "/sys/module/ipmi_si/parameters/kipmid_max_busy_us" |
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https://github.com/firehol/netdata/wiki/monitoring-IPMI
[...]
kipmi0 CPU usage
There have been reports that kipmi is showing increased CPU when the IPMI is queried.
IBM has given a few explanations.
Check also this stackexchange post.
To lower the CPU consumption of the system you can issue this command:
You can also permanently set the above setting by creating the file
/etc/modprobe.d/ipmi.confwith this content:# prevent kipmi from consuming 100% CPU options ipmi_si kipmid_max_busy_us=10This instructs the kernel IPMI module to pause for a tick between checking IPMI. Querying IPMI will be a lot slower now (e.g. several seconds for IPMI to respond), but
kipmiwill not use any noticeable CPU. You can also use a higher number (this is the number of microseconds to poll IPMI for a response, before waiting for a tick).