I'll check this tonight if I get a chance, thanks.
> It is the same as my PPA kernel except for the patch, so we can look at
> the effect of just the patch.
>
> Also, I took a look at Lucid and Maverick's current kernel config and
> found that for both, -generic kernels on i386 have CONFIG_HZ=250 and
> amd64 has CONFIG_HZ=100. Seems like an odd choice to have two different
> values depending on architecture. It could be a mistake... Also, all the
> kernels have CONFIG_NO_HZ set.
>
> If we want to test different configs, I can set them up as flavours and
> do -100hz and -250hz kernels on my next upload.
Yeah, I checked your kernel config and it's 250Hz so I don't think
that's the cause of the extra wakeups, but I'll make sure the stock
kernel is also 250 tonight. I don't think it's 100, and I really hope
it isn't 1000.
On Tue, Jun 1, 2010 at 4:54 PM, Brian Rogers <email address hidden> wrote: /launchpad. net/ubuntu/ maverick/ +source/ linux/2. 6.34-5. 12
> Leif, what was your pre-patch kernel? I'd be interested in a comparison with this kernel:
> https:/
I'll check this tonight if I get a chance, thanks.
> It is the same as my PPA kernel except for the patch, so we can look at
> the effect of just the patch.
>
> Also, I took a look at Lucid and Maverick's current kernel config and
> found that for both, -generic kernels on i386 have CONFIG_HZ=250 and
> amd64 has CONFIG_HZ=100. Seems like an odd choice to have two different
> values depending on architecture. It could be a mistake... Also, all the
> kernels have CONFIG_NO_HZ set.
>
> If we want to test different configs, I can set them up as flavours and
> do -100hz and -250hz kernels on my next upload.
Yeah, I checked your kernel config and it's 250Hz so I don't think
that's the cause of the extra wakeups, but I'll make sure the stock
kernel is also 250 tonight. I don't think it's 100, and I really hope
it isn't 1000.
--
Cheers,
Leif