Messages in this thread | | | Date | Fri, 7 Nov 2008 17:47:57 +0100 | From | Andi Kleen <> | Subject | Re: linux-2.6.28-rc2 regression : oprofile doesnt work anymore ? |
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On Fri, Nov 07, 2008 at 05:12:33PM +0100, Eric Dumazet wrote: > Andi Kleen a écrit : > >On Fri, Nov 07, 2008 at 04:13:42PM +0100, Eric Dumazet wrote: > >>Andi Kleen a écrit : > >>>Can you please test this patch and see if it solves the problem? > >>> > >>>Thanks, > >>>-Andi > >>> > >>>--- > >>> > >>>oprofile: Fix p6 counter overflow check > >>> > >>>Fix the counter overflow check for CPUs with counter width > 32 > >>> > >>>I had a similar change in a different patch that I didn't submit > >>>and I didn't notice the problem earlier because it was always > >>>tested together. > >>> > >>>Signed-off-by: Andi Kleen <ak@linux.intel.com> > >>> > >>Thanks Andi > >> > >>Unfortunatly, there is still a freeze of NMIS after a while. > > > >How long is the while? > > > > Less than 20 seconds if fully loaded with "tbench 8" on my 8 cpus machine.
I don't have tbench on the test box, but when I load it with a couple of while true ; do true ; done loops it also continues sampling.
Are you sure it worked in 2.6.27?
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