Re: [linux-audio-dev] Re: [Alsa-devel] Re: more bad low latency results

2001-11-15 Thread Vincent Touquet
(cut) > >I think 2.4.14 or 15pre are ok, too. The same LL patch should work. > >Takashi I have an Athlon too. Is it true that there are issues with the lowlatency patches (Andrew Morton's as well as the kernel pre-emption patches) and the optimizations used in the kernel for the Athlon processo

[linux-audio-dev] Re: [Alsa-devel] Re: more bad low latency results

2001-11-15 Thread Takashi Iwai
At Thu, 15 Nov 2001 19:17:19 +0100, Maarten de Boer wrote: > > > Or, will you try AA patches? It's not a bad idea, since the current > > (vanilla) VM is based on Andrea's code. Linus still doesn't include > > all his patches. > > Yes, I will try the AA patches, though I am not very sure which

Re: [linux-audio-dev] Re: [Alsa-devel] Re: more bad low latency results

2001-11-15 Thread Paul Davis
>> Hmm sounds like h/w problem, then.. >> It's interesting to know where the data is contaminated, whether on >> the driver level or transfer between capture and playback on >> user-space, or what else.. > >I would say on driver level: I write the data to disk right after the >snd_pcm_readi call.

[linux-audio-dev] Re: [Alsa-devel] Re: more bad low latency results

2001-11-15 Thread Maarten de Boer
> Or, will you try AA patches? It's not a bad idea, since the current > (vanilla) VM is based on Andrea's code. Linus still doesn't include > all his patches. Yes, I will try the AA patches, though I am not very sure which to use, and on which kernel. The most recent one on a standard kernel (

[linux-audio-dev] Re: [Alsa-devel] Re: more bad low latency results

2001-11-15 Thread Takashi Iwai
At Thu, 15 Nov 2001 18:16:44 +0100, Maarten de Boer wrote: > > > I've used this setting: > > > > echo 6 > /proc/sys/vm/vm_scan_ratio > > echo 2 > /proc/sys/vm/vm_mapped_ratio > > echo 4 > /proc/sys/vm/vm_balance_ratio > > Uuhh... I don't have these files... > $ ls /proc/sys/vm/ > bdflush kswap