Re: [PATCH 08/33] nohz: Assign timekeeping duty to a non-full-nohz CPU

2013-02-20 Thread Frederic Weisbecker
2013/2/15 Borislav Petkov : > On Tue, Jan 08, 2013 at 03:08:08AM +0100, Frederic Weisbecker wrote: >> This way the full nohz CPUs can safely run with the tick >> stopped with a guarantee that somebody else is taking >> care of the jiffies and gtod progression. >> >> NOTE: this doesn't handle CPU

Re: [PATCH 08/33] nohz: Assign timekeeping duty to a non-full-nohz CPU

2013-02-20 Thread Frederic Weisbecker
2013/2/15 Borislav Petkov b...@alien8.de: On Tue, Jan 08, 2013 at 03:08:08AM +0100, Frederic Weisbecker wrote: This way the full nohz CPUs can safely run with the tick stopped with a guarantee that somebody else is taking care of the jiffies and gtod progression. NOTE: this doesn't handle

Re: [PATCH 08/33] nohz: Assign timekeeping duty to a non-full-nohz CPU

2013-02-15 Thread Borislav Petkov
On Tue, Jan 08, 2013 at 03:08:08AM +0100, Frederic Weisbecker wrote: > This way the full nohz CPUs can safely run with the tick > stopped with a guarantee that somebody else is taking > care of the jiffies and gtod progression. > > NOTE: this doesn't handle CPU hotplug. Also we could use

Re: [PATCH 08/33] nohz: Assign timekeeping duty to a non-full-nohz CPU

2013-02-15 Thread Borislav Petkov
On Tue, Jan 08, 2013 at 03:08:08AM +0100, Frederic Weisbecker wrote: This way the full nohz CPUs can safely run with the tick stopped with a guarantee that somebody else is taking care of the jiffies and gtod progression. NOTE: this doesn't handle CPU hotplug. Also we could use something

[PATCH 08/33] nohz: Assign timekeeping duty to a non-full-nohz CPU

2013-01-07 Thread Frederic Weisbecker
This way the full nohz CPUs can safely run with the tick stopped with a guarantee that somebody else is taking care of the jiffies and gtod progression. NOTE: this doesn't handle CPU hotplug. Also we could use something more elaborated wrt. powersaving if we have more than one non full-nohz CPU

[PATCH 08/33] nohz: Assign timekeeping duty to a non-full-nohz CPU

2013-01-07 Thread Frederic Weisbecker
This way the full nohz CPUs can safely run with the tick stopped with a guarantee that somebody else is taking care of the jiffies and gtod progression. NOTE: this doesn't handle CPU hotplug. Also we could use something more elaborated wrt. powersaving if we have more than one non full-nohz CPU