Re: [RFC v2 6/7] touch softlockup watchdog

Glauber Costa
2010-08-30T18:07:34Z

On Mon, Aug 30, 2010 at 10:33:26AM -0700, Jeremy Fitzhardinge wrote:
> On 08/30/2010 09:06 AM, Glauber Costa wrote:
> > With a reliable steal time mechanism, we can tell if we're
> > out of the cpu for very long, differentiating from the case
> > that we simply got a real softlockup.
> >
> > In the case we were out of cpu, the watchdog is fed, making
> > bogus softlockups disappear.
>
> Why not change the softlockup to measure unstolen time rather than
> explicitly poking it from a hypervisor-specific function?
>
Ok, I like your idea much better.

Thanks!