kern/153674: i386/XEN idle thread shows wrong percentages

Colin Percival cperciva at freebsd.org
Tue Jan 4 15:40:11 UTC 2011


The following reply was made to PR kern/153674; it has been noted by GNATS.

From: Colin Percival <cperciva at freebsd.org>
To: bug-followup at FreeBSD.org, flo at freebsd.org
Cc:  
Subject: Re: kern/153674: i386/XEN idle thread shows wrong percentages
Date: Tue, 04 Jan 2011 07:31:16 -0800

 FWIW, this sounds to me like the kernel scheduler is getting confused in its
 accounting; possibly due to "stolen" time (when the hypervisor is off running
 other instances) and possibly related to the clock-interrupts-getting-lost
 bug (kern/153620).
 
 -- 
 Colin Percival
 Security Officer, FreeBSD | freebsd.org | The power to serve
 Founder / author, Tarsnap | tarsnap.com | Online backups for the truly paranoid


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