On Sonntag 06 September 2009, Nikos Chantziaras wrote: > On 09/06/2009 02:26 AM, Volker Armin Hemmann wrote: > > On Sonntag 06 September 2009, Nikos Chantziaras wrote: > >> On 09/06/2009 01:48 AM, Volker Armin Hemmann wrote: > >>> On Samstag 05 September 2009, Nikos Chantziaras wrote: > >>>> On 09/05/2009 05:59 PM, Volker Armin Hemmann wrote: > >>>>>> 1000 Hz timer freq > >>>>> > >>>>> change that to 300 > >>>>> > >>>>>> Did you mean tickless system with "noticks"? I have this enabled ATM > >>>>> > >>>>> deactivate that. > >>>> > >>>> Even with that, there still are problems. With composite enabled, > >>>> move an mplayer window around and see how the video starts to skip big > >>>> amounts of frames at the moment you start moving and when you "drop" > >>>> it again. The compositor takes away CPU time and mplayer starves for > >>>> a short time. BFS solves this. > >>> > >>> nope. No drops. vlc, xine, mplayer. At least no visible drop - and none > >>> of the three is complaining. > >> > >> Well, not here. > >> > >>> But there is a pro-tip: use a non-broken X. aka one with > >>> > >>> fedora_dont_backfill_bg_none.patch > >> > >> I do use that. > >> > >>>> Also, have you considered that you got it all backwards? The kernel > >>>> configuration tells you that for lower latencies, you should use > >>>> 1000Hz and PREEMPT. It even says "Desktop" right there. Why should I > >>>> take your word over that of the kernel devs who actually wrote that > >>>> code? > >>> > >>> low latency means bad throughput and that hurts IO. > >> > >> GUI stalls still happen with high latency settings. Doesn't seem to > >> matter; 300Hz, 1000Hz, tickless or not, PREEMPT or not, multicore > >> scheduler or not, all the same. GUI stalls during load. It only goes > >> away with Con's scheduler. > > > > attached is my config. Because I don't need Con's scheduler for a nice > > desktop experience. > > Good for you. I'm attaching mine. > > > What am I doing wrong? > > I don't know. Maybe it's just that you're as perceptive as the average > turtle. >
and maybe you should decrapify your config a bit? Namespaces? Seccomp? Process accounting? no compat vdso? You really hate performance, do you?
