[RESEND PATCH v2] nohz: fix idle ticks in cpu summary line of /proc/stat

2012-10-10 Thread Srivatsa S. Bhat
From: Michal Hocko Git commit 09a1d34f8535ecf9 "nohz: Make idle/iowait counter update conditional" introduced a bug in regard to cpu hotplug. The effect is that the number of idle ticks in the cpu summary line in /proc/stat is still counting ticks for offline cpus. Reproduction is easy, just

[RESEND PATCH v2] nohz: fix idle ticks in cpu summary line of /proc/stat

2012-10-10 Thread Srivatsa S. Bhat
From: Michal Hocko mho...@suse.cz Git commit 09a1d34f8535ecf9 nohz: Make idle/iowait counter update conditional introduced a bug in regard to cpu hotplug. The effect is that the number of idle ticks in the cpu summary line in /proc/stat is still counting ticks for offline cpus. Reproduction is

Re: [RESEND PATCH v2] nohz: fix idle ticks in cpu summary line of /proc/stat

2012-09-25 Thread Srivatsa S. Bhat
On 09/10/2012 04:43 PM, Srivatsa S. Bhat wrote: > From: Michal Hocko > > Git commit 09a1d34f8535ecf9 "nohz: Make idle/iowait counter update > conditional" introduced a bug in regard to cpu hotplug. The effect is > that the number of idle ticks in the cpu summary line in /proc/stat is > still

Re: [RESEND PATCH v2] nohz: fix idle ticks in cpu summary line of /proc/stat

2012-09-25 Thread Srivatsa S. Bhat
On 09/10/2012 04:43 PM, Srivatsa S. Bhat wrote: From: Michal Hocko mho...@suse.cz Git commit 09a1d34f8535ecf9 nohz: Make idle/iowait counter update conditional introduced a bug in regard to cpu hotplug. The effect is that the number of idle ticks in the cpu summary line in /proc/stat is

[RESEND PATCH v2] nohz: fix idle ticks in cpu summary line of /proc/stat

2012-09-10 Thread Srivatsa S. Bhat
From: Michal Hocko Git commit 09a1d34f8535ecf9 "nohz: Make idle/iowait counter update conditional" introduced a bug in regard to cpu hotplug. The effect is that the number of idle ticks in the cpu summary line in /proc/stat is still counting ticks for offline cpus. Reproduction is easy, just

[RESEND PATCH v2] nohz: fix idle ticks in cpu summary line of /proc/stat

2012-09-10 Thread Srivatsa S. Bhat
From: Michal Hocko mho...@suse.cz Git commit 09a1d34f8535ecf9 nohz: Make idle/iowait counter update conditional introduced a bug in regard to cpu hotplug. The effect is that the number of idle ticks in the cpu summary line in /proc/stat is still counting ticks for offline cpus. Reproduction is