[dundee] laptop mode power saving

Sun Oct 18 17:54:37 UTC 2009

SRiron is the modified Chromium amirite?

On Sun, Oct 18, 2009 at 6:48 PM, Antony D'Auria <antony at nekorb.co.uk> wrote:

> My netbook does run like it's on speed with Arch & Openbox :) Battery life
> great. SRIron runs nice & quick, although not very configurable it does the
> job for just a bit of general browsing.
>
> Ant
>
> 2009/10/18 Nicholas Walker <tel0seh at googlemail.com>
>
> remove those bloated UI's and run openbox instead :D
>>
>>
>> On Sun, Oct 18, 2009 at 4:44 PM, Lee Hughes <toxicnaan at yahoo.co.uk>wrote:
>>
>>> hehe.. i suppose i could, just trying to get extended battery life. tee
>>> hee..
>>>
>>> it's seems to be working a little better now.... looks like gnome is full
>>> a fsync's
>>>
>>> fsync's seem to wake my system up!!!
>>>
>>> how do i get rid of them.
>>>
>>>
>>> --- On *Sun, 18/10/09, Jennifer higgins <
>>> sauntering.with.scissors at gmail.com>* wrote:
>>>
>>>
>>> From: Jennifer higgins <sauntering.with.scissors at gmail.com>
>>> Subject: Re: [dundee] laptop mode power saving
>>> To: "Tayside Linux User Group" <dundee at lists.lug.org.uk>
>>> Date: Sunday, 18 October, 2009, 3:20 PM
>>>
>>>
>>> oh just power the laptop down you big geek ;)
>>>
>>> 2009/10/18 Lee Hughes <toxicnaan at yahoo.co.uk<http://mc/compose?to=toxicnaan@yahoo.co.uk>
>>> >
>>>
>>>>  hmm. well it seems that firefox writes one more file which is not to
>>>> it's cache or
>>>> it's profile...it's...
>>>>
>>>> lsof | grep firefox | grep tmp
>>>>
>>>> firefox   27357       user   72u      REG        8,1        0  6177091
>>>> /var/tmp/etilqs_2SWFrJKOPJgPeet (deleted)
>>>>
>>>> etilqs seemed to be sqlite backwards?
>>>>
>>>> bizzare.... any idea's what that is or how to relocated it to my
>>>> ramdisk?
>>>>
>>>> Cheers,
>>>> Lee
>>>>
>>>>
>>>>
>>>> --- On *Sun, 18/10/09, Lee Hughes <toxicnaan at yahoo.co.uk<http://mc/compose?to=toxicnaan@yahoo.co.uk>
>>>> >* wrote:
>>>>
>>>>
>>>> From: Lee Hughes <toxicnaan at yahoo.co.uk<http://mc/compose?to=toxicnaan@yahoo.co.uk>
>>>> >
>>>> Subject: [dundee] laptop mode power saving
>>>> To: "Tayside Linux User Group" <dundee at lists.lug.org.uk<http://mc/compose?to=dundee@lists.lug.org.uk>
>>>> >
>>>> Date: Sunday, 18 October, 2009, 3:06 PM
>>>>
>>>>
>>>> Right,
>>>>
>>>> has any got laptop mode working successfully , i'm trying to get my hard
>>>> disk to spin down as long as possible,
>>>>
>>>> i've been using a combination of lm-profile, iotop -o -d 10 -b
>>>>
>>>> now,  i've nailed fire fox from fsyncing all the time, that's improved
>>>> things some what,
>>>>
>>>> http://www.dslreports.com/forum/r23159573-Re-Make-Firefox-3x-more-responsive-with-a-simple-trick
>>>>
>>>> it's also faster too boot!
>>>>
>>>> however,  my hard disk sleeps for about 2mins, i've zapped syslog and
>>>> klog for testing,
>>>> so there should be nothing on the system that should need to wake the
>>>> disk for writing.
>>>>
>>>> however, kkjournald is waking the disk up, (presumable to write the
>>>> journal to disk)
>>>> but the file system is mounted with
>>>>
>>>> /dev/sda1 on / type ext3 (rw,relatime,errors=remount-ro,commit=600)
>>>>
>>>> so, it should only commit every 10 mins, or when we run low on memory.
>>>>
>>>>   PID USER      DISK READ  DISK WRITE   SWAPIN    IO    COMMAND
>>>>   807 root           0 B/s    5.54 K/s  0.00 %  0.00 % [kjournald]
>>>>  3911 user           0 B/s    0.40 K/s  0.00 %  0.00 %
>>>> gnome-power-manager
>>>>
>>>>
>>>> oh,actually i wonder  if it's the gnome power manager, how ironic..
>>>> looks like
>>>> the gnome power manager might be forcing a sync...
>>>>
>>>> yes, it seems that a lot of gnome componets are doing a fsync, thus
>>>> waking my disk
>>>> up.. :-(
>>>>
>>>> all i want is, while i'm not reading new data(i.e uncached data from
>>>> disk) , i want
>>>> applications to write (but delay that write until I say, or a timeout
>>>> value).
>>>>
>>>> i think over use of the fsync call may be answer, but i think there's
>>>> more to it than that.
>>>>
>>>> my harddrives now been dormant for 10mins....  spin down nirvarna has
>>>> been reached.
>>>>
>>>> looks like killing the gnome power meter has stopped the spin ups... now
>>>> that's
>>>> ironic..  any replacements? or shall i go and hack it.
>>>>
>>>> i wonder if this would do ssd's good too.
>>>>
>>>> thoughts?
>>>>
>>>> Cheers,
>>>>
>>>> Lee
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
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>>
>>
>>
>> --
>>
>>
>> Nick Walker
>> Vice President : The Linux Society
>> UAD Ethical Hacker
>>
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>
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-- 

Nick Walker
Vice President : The Linux Society
UAD Ethical Hacker
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