collector: add tainted collector for /proc/sys/kernel/tainted#3745
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arunsrini3082 wants to merge 1 commit into
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collector: add tainted collector for /proc/sys/kernel/tainted#3745arunsrini3082 wants to merge 1 commit into
arunsrini3082 wants to merge 1 commit into
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Signed-off-by: Arun S <arun.srinivasan@flipkart.com>
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Summary
Add a
taintedcollector that exposes kernel taint flags from/proc/sys/kernel/taintedas Prometheus metrics.This revives the idea originally proposed in #1567. The review feedback
from that PR has been addressed:
prometheus/procfslibrary (companion PR:procfs: add KernelTainted() to parse /proc/sys/kernel/tainted procfs#844)
node_kernel_tainted{bit="14", flag="L"} 1Metrics
node_kernel_tainted{bit="14", flag="L"} 0
node_kernel_tainted{bit="12", flag="O"} 1
One series per known taint bit (20 total), value 0 or 1.
Disabled by default — enable with
--collector.tainted.Dependencies
The
go.modprocfs version will be bumped before merging oncethat PR is released.
Reference
https://www.kernel.org/doc/html/latest/admin-guide/tainted-kernels.html