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maemo.org - Talk (https://talk.maemo.org/index.php)
-   Maemo 5 / Fremantle (https://talk.maemo.org/forumdisplay.php?f=40)
-   -   [ANNOUNCE] COMPCACHE on kernel-power (now with notifications) (https://talk.maemo.org/showthread.php?t=76112)

Gusse 2011-08-27 17:38
Re: [ANNOUNCE] COMPCACHE on kernel-power
 
First expression is very positive :)
After short usage, I would say that device is a bit more responsive (my subjective judgement) under heavy load (multiple application running simultaneously).

Thanks for bringing this option to Maemo!

EDIT: After some usage I see problems, device start to lag and eventually does not respond at all, need a reboot.

pantera1989 2011-08-27 17:42
Re: [ANNOUNCE] COMPCACHE on kernel-power
 
Quote:
Originally Posted by Seker_94 (Post 1077606)
freemangordon what will this do to our N900 ?
Hopefully it will make the N900 more responsive or more likely it would take it more time to start lagging. The worst thing that could happen would be frequent random reboots. However a reflash will solve anything. If you are afraid to try it first backup using backupmenu and then try the patch.

So far I am not seeing much difference to be honest..although it hasn't been long.

freemangordon 2011-08-27 18:16
Re: [ANNOUNCE] COMPCACHE on kernel-power
 
Quote:
Originally Posted by pantera1989 (Post 1077610)
Hopefully it will make the N900 more responsive or more likely it would take it more time to start lagging. The worst thing that could happen would be frequent random reboots. However a reflash will solve anything. If you are afraid to try it first backup using backupmenu and then try the patch.

So far I am not seeing much difference to be honest..although it hasn't been long.
Make sure your compcache swap has higher priority than internal flash swap i.e. when cat /proc/swaps ramzswap has higher priority value than mmcblk0p3

mesho123 2011-08-27 18:40
Re: [ANNOUNCE] COMPCACHE on kernel-power
 
what is compcache do ?

it's useful to install ?

ade 2011-08-27 18:43
Re: [ANNOUNCE] COMPCACHE on kernel-power
 
Quote:
Originally Posted by freemangordon (Post 1077618)
Make sure your compcache swap has higher priority than internal flash swap i.e. when cat /proc/swaps ramzswap has higher priority value than mmcblk0p3
Higher priority value meaning closer to zero I guess?
Ramzswap0 was filled first after reboot, so that looks okay.

Curious to see how it's going to behave in terms of cpu/battery costs and performance wise after a period of time...

Code:
cat /proc/swaps
Filename                                Type            Size    Used    Priority
/dev/mmcblk0p3                          partition      786424  57804  -2
/dev/ramzswap0                          partition      131064  130728  -1

evan 2011-08-27 19:05
Re: [ANNOUNCE] COMPCACHE on kernel-power
 
I am installing right now..
should we be more careful with compcache enabled about swappiness value? a value of 100 would make the cpu compressing data all the time?
edit: installed with priorities correct!. testing begins..

moepda 2011-08-27 19:10
Re: [ANNOUNCE] COMPCACHE on kernel-power
 
so once ive installed the .debs and added the .ko , what exactly do i do next ? and how do i do it? sorry for sounding somewhat uninformed :)

Seker_94 2011-08-27 19:17
Re: [ANNOUNCE] COMPCACHE on kernel-power
 
Quote:
Originally Posted by freemangordon (Post 1077618)
Make sure your compcache swap has higher priority than internal flash swap i.e. when cat /proc/swaps ramzswap has higher priority value than mmcblk0p3
and how can we do that ?

Estel 2011-08-27 19:27
Re: [ANNOUNCE] COMPCACHE on kernel-power
 
disable and enable again "regular" swap - as one turned on later, it will have lesser priority.

Another approach is to get swqapon from - for example - debian - it have setting priority ( - p ) working, unlike vanilla maemo swapon.

TMavica 2011-08-27 19:41
Re: [ANNOUNCE] COMPCACHE on kernel-power
 
cat /proc/swaps , i cant find the ramswap drive


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