* Borislav Petkov wrote:
> On Tue, Jul 16, 2013 at 05:55:02PM +0900, Joonsoo Kim wrote:
> > How about executing a perf in usermodehelper and collecting output
> > in tmpfs? Using this approach, we can start a perf after rootfs
> > initialization,
>
> What for if we can start logging to buffers
* Borislav Petkov b...@alien8.de wrote:
On Tue, Jul 16, 2013 at 05:55:02PM +0900, Joonsoo Kim wrote:
How about executing a perf in usermodehelper and collecting output
in tmpfs? Using this approach, we can start a perf after rootfs
initialization,
What for if we can start logging to
On Fri, Jul 19, 2013 at 04:51:49PM -0700, Yinghai Lu wrote:
> On Wed, Jul 17, 2013 at 2:30 AM, Robin Holt wrote:
> > On Wed, Jul 17, 2013 at 01:17:44PM +0800, Sam Ben wrote:
> >> >With this patch, we did boot a 16TiB machine. Without the patches,
> >> >the v3.10 kernel with the same
On Fri, Jul 19, 2013 at 04:51:49PM -0700, Yinghai Lu wrote:
On Wed, Jul 17, 2013 at 2:30 AM, Robin Holt h...@sgi.com wrote:
On Wed, Jul 17, 2013 at 01:17:44PM +0800, Sam Ben wrote:
With this patch, we did boot a 16TiB machine. Without the patches,
the v3.10 kernel with the same
On Wed, Jul 17, 2013 at 2:30 AM, Robin Holt wrote:
> On Wed, Jul 17, 2013 at 01:17:44PM +0800, Sam Ben wrote:
>> >With this patch, we did boot a 16TiB machine. Without the patches,
>> >the v3.10 kernel with the same configuration took 407 seconds for
>> >free_all_bootmem. With the patches and
On Wed, Jul 17, 2013 at 2:30 AM, Robin Holt h...@sgi.com wrote:
On Wed, Jul 17, 2013 at 01:17:44PM +0800, Sam Ben wrote:
With this patch, we did boot a 16TiB machine. Without the patches,
the v3.10 kernel with the same configuration took 407 seconds for
free_all_bootmem. With the patches and
On Wed, Jul 17, 2013 at 01:17:44PM +0800, Sam Ben wrote:
> On 07/12/2013 10:03 AM, Robin Holt wrote:
> >We have been working on this since we returned from shutdown and have
> >something to discuss now. We restricted ourselves to 2MiB initialization
> >to keep the patch set a little smaller and
On Wed, Jul 17, 2013 at 01:17:44PM +0800, Sam Ben wrote:
On 07/12/2013 10:03 AM, Robin Holt wrote:
We have been working on this since we returned from shutdown and have
something to discuss now. We restricted ourselves to 2MiB initialization
to keep the patch set a little smaller and more
On 07/12/2013 10:03 AM, Robin Holt wrote:
We have been working on this since we returned from shutdown and have
something to discuss now. We restricted ourselves to 2MiB initialization
to keep the patch set a little smaller and more clear.
First, I think I want to propose getting rid of the
On Tue, Jul 16, 2013 at 05:55:02PM +0900, Joonsoo Kim wrote:
> How about executing a perf in usermodehelper and collecting output
> in tmpfs? Using this approach, we can start a perf after rootfs
> initialization,
What for if we can start logging to buffers much earlier? *Reading*
from those
On Fri, Jul 12, 2013 at 10:27:56AM +0200, Ingo Molnar wrote:
>
> * Robin Holt wrote:
>
> > [...]
> >
> > With this patch, we did boot a 16TiB machine. Without the patches, the
> > v3.10 kernel with the same configuration took 407 seconds for
> > free_all_bootmem. With the patches and
On Fri, Jul 12, 2013 at 10:27:56AM +0200, Ingo Molnar wrote:
* Robin Holt h...@sgi.com wrote:
[...]
With this patch, we did boot a 16TiB machine. Without the patches, the
v3.10 kernel with the same configuration took 407 seconds for
free_all_bootmem. With the patches and
On Tue, Jul 16, 2013 at 05:55:02PM +0900, Joonsoo Kim wrote:
How about executing a perf in usermodehelper and collecting output
in tmpfs? Using this approach, we can start a perf after rootfs
initialization,
What for if we can start logging to buffers much earlier? *Reading*
from those buffers
On 07/12/2013 10:03 AM, Robin Holt wrote:
We have been working on this since we returned from shutdown and have
something to discuss now. We restricted ourselves to 2MiB initialization
to keep the patch set a little smaller and more clear.
First, I think I want to propose getting rid of the
On Fri, Jul 12, 2013 at 10:27:56AM +0200, Ingo Molnar wrote:
>
> * Robin Holt wrote:
>
> > [...]
> >
> > With this patch, we did boot a 16TiB machine. Without the patches, the
> > v3.10 kernel with the same configuration took 407 seconds for
> > free_all_bootmem. With the patches and
On Thu, Jul 11, 2013 at 09:03:51PM -0500, Robin Holt wrote:
> We have been working on this since we returned from shutdown and have
> something to discuss now. We restricted ourselves to 2MiB initialization
> to keep the patch set a little smaller and more clear.
>
> First, I think I want to
On Thu, Jul 11, 2013 at 09:03:51PM -0500, Robin Holt wrote:
We have been working on this since we returned from shutdown and have
something to discuss now. We restricted ourselves to 2MiB initialization
to keep the patch set a little smaller and more clear.
First, I think I want to propose
On Fri, Jul 12, 2013 at 10:27:56AM +0200, Ingo Molnar wrote:
* Robin Holt h...@sgi.com wrote:
[...]
With this patch, we did boot a 16TiB machine. Without the patches, the
v3.10 kernel with the same configuration took 407 seconds for
free_all_bootmem. With the patches and
On 12.07.13 10:27:56, Ingo Molnar wrote:
>
> * Robin Holt wrote:
>
> > [...]
> >
> > With this patch, we did boot a 16TiB machine. Without the patches, the
> > v3.10 kernel with the same configuration took 407 seconds for
> > free_all_bootmem. With the patches and operating on 2MiB pages
* Robin Holt wrote:
> [...]
>
> With this patch, we did boot a 16TiB machine. Without the patches, the
> v3.10 kernel with the same configuration took 407 seconds for
> free_all_bootmem. With the patches and operating on 2MiB pages instead
> of 1GiB, it took 26 seconds so performance was
* Robin Holt h...@sgi.com wrote:
[...]
With this patch, we did boot a 16TiB machine. Without the patches, the
v3.10 kernel with the same configuration took 407 seconds for
free_all_bootmem. With the patches and operating on 2MiB pages instead
of 1GiB, it took 26 seconds so
On 12.07.13 10:27:56, Ingo Molnar wrote:
* Robin Holt h...@sgi.com wrote:
[...]
With this patch, we did boot a 16TiB machine. Without the patches, the
v3.10 kernel with the same configuration took 407 seconds for
free_all_bootmem. With the patches and operating on 2MiB pages
We have been working on this since we returned from shutdown and have
something to discuss now. We restricted ourselves to 2MiB initialization
to keep the patch set a little smaller and more clear.
First, I think I want to propose getting rid of the page flag. If I knew
of a concrete way to
We have been working on this since we returned from shutdown and have
something to discuss now. We restricted ourselves to 2MiB initialization
to keep the patch set a little smaller and more clear.
First, I think I want to propose getting rid of the page flag. If I knew
of a concrete way to
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