Re: turbostat-17.06.23 floating point exception

From: Len Brown
Date: Fri Oct 12 2018 - 19:05:13 EST


> Why would the cpu topology report 0 cpus? I added a debug entry to
> cpu_usage_stat and /proc/stat showed it as an extra column. Then
> fscanf parsing in for_all_cpus() failed, causing the SIGFPE.
>
> This is not an issue. Thanks.

Yes, it is true that turbostat doesn't check for systems with 0 cpus.
I'm curious how you provoked the kernel to claim that. If it is
something others might do, we can have check for it and gracefully
exit.

thanks,
-Len




--
Len Brown, Intel Open Source Technology Center