On Tue, May 26, 2015 at 04:35:47PM +0200, Christoffer Dall wrote:
> Any chance you could send me the memhog tool?
memhog is just the first that come to mind because I got it
preinstalled everywhere (I only miss it on cyanogenmod as there's no
numactl there... yet).
Anything else would do as well,
On 26 May 2015 at 15:35, Christoffer Dall wrote:
> Hi Steve,
>
> On Tue, May 26, 2015 at 03:24:20PM +0100, Steve Capper wrote:
>> >> On Sun, May 24, 2015 at 09:34:04PM +0200, Christoffer Dall wrote:
>> >> > Hi all,
>> >> >
>> >> > I noticed a regression on my arm64 APM X-Gene system a couple
>> >>
On Tue, May 26, 2015 at 10:08:48AM +0200, Christoffer Dall wrote:
> > echo 0 > /sys/kernel/mm/transparent_hugepage/khugepaged/pages_to_scan
>
> this returns -EINVAL.
>
Oops sorry, I haven't re-read the code, pages_to_scan 0 does not make
sense, it would only be useful for debugging purposes beca
Hi Steve,
On Tue, May 26, 2015 at 03:24:20PM +0100, Steve Capper wrote:
> >> On Sun, May 24, 2015 at 09:34:04PM +0200, Christoffer Dall wrote:
> >> > Hi all,
> >> >
> >> > I noticed a regression on my arm64 APM X-Gene system a couple
> >> > of weeks back. I would occassionally see the system lock
On 26 May 2015 at 09:08, Christoffer Dall wrote:
> Hi Andrea,
>
> On Mon, May 25, 2015 at 04:15:25PM +0200, Andrea Arcangeli wrote:
>> Hello Christoffer,
>>
>> On Sun, May 24, 2015 at 09:34:04PM +0200, Christoffer Dall wrote:
>> > Hi all,
>> >
>> > I noticed a regression on my arm64 APM X-Gene sys
On 26/05/15 09:08, Christoffer Dall wrote:
[...]
>> Then push the system into swap with some memhog -r1000 xG.
>
> what is memhog? I couldn't find the utility in Google...
This looks to be part of the numactl suite, though Debian doesn't seem
to include it in its numactl package...
Thanks,
Hi Andrea,
On Mon, May 25, 2015 at 04:15:25PM +0200, Andrea Arcangeli wrote:
> Hello Christoffer,
>
> On Sun, May 24, 2015 at 09:34:04PM +0200, Christoffer Dall wrote:
> > Hi all,
> >
> > I noticed a regression on my arm64 APM X-Gene system a couple
> > of weeks back. I would occassionally see
Hello Christoffer,
On Sun, May 24, 2015 at 09:34:04PM +0200, Christoffer Dall wrote:
> Hi all,
>
> I noticed a regression on my arm64 APM X-Gene system a couple
> of weeks back. I would occassionally see the system lock up and see RCU
> stalls during the caching phase of kernbench. I then wrote
On Mon, May 25, 2015 at 01:05:15PM +0300, Kirill A. Shutemov wrote:
> On Sun, May 24, 2015 at 09:34:04PM +0200, Christoffer Dall wrote:
> > Hi all,
> >
> > I noticed a regression on my arm64 APM X-Gene system a couple
> > of weeks back. I would occassionally see the system lock up and see RCU
> >
On Sun, May 24, 2015 at 09:34:04PM +0200, Christoffer Dall wrote:
> Hi all,
>
> I noticed a regression on my arm64 APM X-Gene system a couple
> of weeks back. I would occassionally see the system lock up and see RCU
> stalls during the caching phase of kernbench. I then wrote a small
> script th
Hi all,
I noticed a regression on my arm64 APM X-Gene system a couple
of weeks back. I would occassionally see the system lock up and see RCU
stalls during the caching phase of kernbench. I then wrote a small
script that does nothing but cache the files
(http://paste.ubuntu.com/11324767/) and ra
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