Re: prezeroing V6 [2/3]: ScrubD

2005-02-08 Thread cliff white
On Tue, 8 Feb 2005 12:51:05 -0800 (PST) Christoph Lameter <[EMAIL PROTECTED]> wrote: > On Tue, 8 Feb 2005, Andrew Morton wrote: > > > We also need to try to identify workloads whcih might experience a > > regression and test them too. It isn't very hard. > > I'd be glad if you could provide som

Re: prezeroing V6 [2/3]: ScrubD

2005-02-08 Thread Christoph Lameter
On Tue, 8 Feb 2005, Andrew Morton wrote: > We also need to try to identify workloads whcih might experience a > regression and test them too. It isn't very hard. I'd be glad if you could provide some instructions on how exactly to do that. I have run lmbench, aim9, aim7, unixbench, ubench for a

Re: prezeroing V6 [2/3]: ScrubD

2005-02-08 Thread Andrew Morton
Christoph Lameter <[EMAIL PROTECTED]> wrote: > > On Mon, 7 Feb 2005, Andrew Morton wrote: > > > > No its a page fault benchmark. Dave Miller has done some kernel compiles > > > and I have some benchmarks here that I never posted because they do not > > > show any material change as far as I can se

Re: prezeroing V6 [2/3]: ScrubD

2005-02-08 Thread Christoph Lameter
On Mon, 7 Feb 2005, Andrew Morton wrote: > > No its a page fault benchmark. Dave Miller has done some kernel compiles > > and I have some benchmarks here that I never posted because they do not > > show any material change as far as I can see. I will be posting that soon > > when this is complete

Re: prezeroing V6 [2/3]: ScrubD

2005-02-07 Thread Andrew Morton
Christoph Lameter <[EMAIL PROTECTED]> wrote: > > On Mon, 7 Feb 2005, Andrew Morton wrote: > > > > Look at the early posts. I plan to put that up on the web. I have some > > > stats attached to the end of this message from an earlier post. > > > > But that's a patch-specific microbenchmark, isn't i

Re: prezeroing V6 [2/3]: ScrubD

2005-02-07 Thread Christoph Lameter
On Mon, 7 Feb 2005, Andrew Morton wrote: > > Look at the early posts. I plan to put that up on the web. I have some > > stats attached to the end of this message from an earlier post. > > But that's a patch-specific microbenchmark, isn't it? Has this work been > benchmarked against real-world stu

Re: prezeroing V6 [2/3]: ScrubD

2005-02-07 Thread Andrew Morton
Christoph Lameter <[EMAIL PROTECTED]> wrote: > > > What were the benchmarking results for this work? I think you had some, > > but this is pretty vital info, so it should be retained in the changelogs. > > Look at the early posts. I plan to put that up on the web. I have some > stats attached to

Re: prezeroing V6 [2/3]: ScrubD

2005-02-07 Thread Christoph Lameter
On Mon, 7 Feb 2005, Andrew Morton wrote: > Christoph Lameter <[EMAIL PROTECTED]> wrote: > > > > Adds management of ZEROED and NOT_ZEROED pages and a background daemon > > called scrubd. > > What were the benchmarking results for this work? I think you had some, > but this is pretty vital info, so

Re: prezeroing V6 [2/3]: ScrubD

2005-02-07 Thread Andrew Morton
Christoph Lameter <[EMAIL PROTECTED]> wrote: > > Adds management of ZEROED and NOT_ZEROED pages and a background daemon > called scrubd. What were the benchmarking results for this work? I think you had some, but this is pretty vital info, so it should be retained in the changelogs. Having one k

prezeroing V6 [2/3]: ScrubD

2005-02-07 Thread Christoph Lameter
Adds management of ZEROED and NOT_ZEROED pages and a background daemon called scrubd. If a page is coalesced of the order specified in /proc /sys/scrub_start or higher then the scrub daemon will start zeroing until all pages of order /proc/sys/vm/scrub_stop and higher are zeroed and then go back to