Hello,
On Fri, Nov 09, 2007 at 07:40:31PM +0100, Thomas Gleixner wrote:
> On Fri, 9 Nov 2007, Peter Zijlstra wrote:
>
> > On Fri, 2007-11-09 at 02:44 -0800, Stephane Eranian wrote:
> > > Hello,
> > >
> > > We have identified a conflict between TICKLESS (CONFIG_NO_HZ) and
> > > the current
Hello,
On Fri, Nov 09, 2007 at 07:40:31PM +0100, Thomas Gleixner wrote:
On Fri, 9 Nov 2007, Peter Zijlstra wrote:
On Fri, 2007-11-09 at 02:44 -0800, Stephane Eranian wrote:
Hello,
We have identified a conflict between TICKLESS (CONFIG_NO_HZ) and
the current perfmon2
Thomas,
On Fri, Nov 09, 2007 at 07:40:31PM +0100, Thomas Gleixner wrote:
> On Fri, 9 Nov 2007, Peter Zijlstra wrote:
>
>
> > > It looks like a solution would be to change the implementation of
> > > timeout-based switching to use HR timers instead. Similar to what is
> > > done for ITIMER_REAL
Thomas,
On Fri, Nov 09, 2007 at 07:40:31PM +0100, Thomas Gleixner wrote:
On Fri, 9 Nov 2007, Peter Zijlstra wrote:
It looks like a solution would be to change the implementation of
timeout-based switching to use HR timers instead. Similar to what is
done for ITIMER_REAL and
Thomas,
On Fri, Nov 09, 2007 at 07:40:31PM +0100, Thomas Gleixner wrote:
>
> > > It looks like a solution would be to change the implementation of
> > > timeout-based switching to use HR timers instead. Similar to what is
> > > done for ITIMER_REAL and ITIMER_VIRTUAL.
>
> Using a hrtimer is
On Fri, 9 Nov 2007, Peter Zijlstra wrote:
> On Fri, 2007-11-09 at 02:44 -0800, Stephane Eranian wrote:
> > Hello,
> >
> > We have identified a conflict between TICKLESS (CONFIG_NO_HZ) and
> > the current perfmon2 implementation. The problem impacts system-wide
> > sessions using timeout-based
On Fri, 2007-11-09 at 02:44 -0800, Stephane Eranian wrote:
> Hello,
>
> We have identified a conflict between TICKLESS (CONFIG_NO_HZ) and
> the current perfmon2 implementation. The problem impacts system-wide
> sessions using timeout-based event set multiplexing.
>
> Event set multiplexing
Hello,
We have identified a conflict between TICKLESS (CONFIG_NO_HZ) and
the current perfmon2 implementation. The problem impacts system-wide
sessions using timeout-based event set multiplexing.
Event set multiplexing allows monitoring tools to measure more events
than there are actual
Hello,
We have identified a conflict between TICKLESS (CONFIG_NO_HZ) and
the current perfmon2 implementation. The problem impacts system-wide
sessions using timeout-based event set multiplexing.
Event set multiplexing allows monitoring tools to measure more events
than there are actual
On Fri, 2007-11-09 at 02:44 -0800, Stephane Eranian wrote:
Hello,
We have identified a conflict between TICKLESS (CONFIG_NO_HZ) and
the current perfmon2 implementation. The problem impacts system-wide
sessions using timeout-based event set multiplexing.
Event set multiplexing allows
On Fri, 9 Nov 2007, Peter Zijlstra wrote:
On Fri, 2007-11-09 at 02:44 -0800, Stephane Eranian wrote:
Hello,
We have identified a conflict between TICKLESS (CONFIG_NO_HZ) and
the current perfmon2 implementation. The problem impacts system-wide
sessions using timeout-based event set
Thomas,
On Fri, Nov 09, 2007 at 07:40:31PM +0100, Thomas Gleixner wrote:
It looks like a solution would be to change the implementation of
timeout-based switching to use HR timers instead. Similar to what is
done for ITIMER_REAL and ITIMER_VIRTUAL.
Using a hrtimer is perfrectly
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