Interrupt load with niced processes

Hasso Tepper hasso at
Thu Jun 7 04:58:57 PDT 2007

YONETANI Tomokazu wrote:
> Usually echo is a shell-builtin, while `nice' is an executable,
> and `nice -n20 echo' might also run a non-builtin version (/bin/echo),
> which makes stats look differently.

Mkay, that explains the difference:

~:# while true; do /bin/echo "foo" > /dev/null; done

27.5%Sys  51.3%Intr 21.3%User  0.0%Nice  0.0%Idl

But it doesn't explain why is interrupt load so high. At least for me ...
yet ... ;).


More information about the Kernel mailing list