On Wed, 20 Jun 2007 12:50:20 +1200 Jochen Schroeder <[EMAIL PROTECTED]> babbled:
> Carsten Haitzler (The Rasterman) wrote: > > On Tue, 19 Jun 2007 21:23:33 +0000 (UTC) Alec <[EMAIL PROTECTED]> > > babbled: > > > > > >>>> I've been using powertop to reduce the number of wakeups on my laptop, > >>>> and currently enlightenment is top of the list at around 4 per second. > >>>> > >>> AFIAK there aren't any patches floating around, but you can change > >>> polling intevals for modules and tweak the configs, closing all the > >>> windows etc. > >> Yup, I only have the pager module enabled, no activity and no windows > >> aside from the powertop xterm. > >> > >> > >>> I think the 3rd party net/wlan modules caused a lot more wakes than just > >>> 4... I'm not sure how low you can go, since I can't see less than 61 > >>> wakes from the radeon driver, but with e17 idle in xorg, I get 99% of the > >>> time in C3. > >>> > >> True, the ipw2100 and the usb mouse cause ~4/sec each and prevent the > >> kernel from reaching C3. With both of these gone and NoDRI for the radeon > >> driver, I can get the kernel into C3 state most of the time with ~6-8 > >> wakeups/sec. Of this, e17 is 4/sec, hence it would be nice to find the > >> culprit and (if possible) remove it. > >> > > > > if the mouse causes 4 interrupts/sec - this probably cause mouse events? > > thus x wakeups and then e wakeups to get the events. > > > > those 4 could be: > > > > 1. something polling - what, i don't know, but you will need to strace > > and/or debug and find out. as already pointed out some modules like to poll > > - but most of them its in the 1 per second or multiple seconds between > > polls (except cpufreq. > > 2. it could be the result of an x client changing a property etc etc. like a > > titlebar etc. see #1 - need to debug. > > 3. every 10 secs e pings x clients to see if they are alive if they say > > they do the netwm ping protocol, but if you have enough windows these pings > > won't happen at the same time so they will be spread out based on when the > > window came up. > > > > > Would it make sense to just have e ping all windows at the same time. yes. :) > This would mean that a new window might not get pinged for almost 20s, actually up to 10 secs. if you ping every window that needs pinging every ping cycle. > but is that so bad. I think as soon as one has a large amount of windows > open (which I have all the time, hell why not use all those virtual > desktops :)) this method would be better even if the polling was reduced > to 5s. I don't know how feasible this is and I know you have a lot more > important things on your plate it's just an idea. it is feasible - just needs doing. :) it's not that hard actually. > > i share your desire to reduce this, though 4/sec is really minimal when you > > think about it :) > > > > > I agree. Sony disables the hpet timer in bios and don't put an option in > to enable it. I have ~ 100 wakeups/s just caused by the kernel because > of this. hahahaha - poor bugger. so e is the least of your problems then :( > <rant> > The Sony bios really sucks. They have a bloody option to enable/disable > a bios splash screen, but both hpet and virualization support are > disabled and no way of enabling them. This is on an vaio sz, so their > business line laptops. > </rant> > > Jochen > > ------------------------------------------------------------------------- > This SF.net email is sponsored by DB2 Express > Download DB2 Express C - the FREE version of DB2 express and take > control of your XML. No limits. Just data. Click to get it now. > http://sourceforge.net/powerbar/db2/ > _______________________________________________ > enlightenment-users mailing list > enlightenment-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/enlightenment-users > -- ------------- Codito, ergo sum - "I code, therefore I am" -------------- The Rasterman (Carsten Haitzler) [EMAIL PROTECTED] 裸好多 Tokyo, Japan (東京 日本) ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ enlightenment-users mailing list enlightenment-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/enlightenment-users
