Re: [LAT] Tickless kernel and realtime

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From: Robin Gareus <robin@...>

To: Jaromír Mikeš <mira.mikes@...>

Cc: <linux-audio-tuning@...>

Subject: Re: [LAT] Tickless kernel and realtime

Date: Thursday, September 18, 2008 - 2:47 pm

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Jaromír Mikeš wrote:

quoted text

> Hi,
>
> sorry for newbe question...
> "Tickless" option while configuring new kernel is good only for power saving?
> No other benefits?
>

It changes the way timer interrupts are triggered. tickless means only
on demand.

There may be scheduling benefits, but they can probably be neglected:
timer-interrupts are handled quickly, NTL cause the CPU to //wake-up and
consume more power//.

robin
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Messages in current thread:

[Linux-audio-tuning] New Linux-audio-tuning mailing list, Daniel James, (Tue Jul 29, 11:43 am)

[LAT] Tickless kernel and realtime, Maurizio De Cecco, (Fri Sep 12, 1:20 pm)

[LAT] RT patch not needed for new kernels (?), Grammostola Rosea, (Wed Nov 26, 11:07 pm)

[LAT] Fwd: [LAU] Are RT-patches needed anymore? (Was Re: &gt..., Lars-Erik Helander, (Mon Feb 2, 7:36 pm)

[LAT] 2.6.29-rt1, Robin Gareus, (Thu Mar 26, 6:52 pm)

Re: [LAT] Setting up a performance synth, Brian Bergstrom, (Thu Jan 14, 6:17 pm)

Re: [LAT] To much latency, Jeremy Jongepier, (Thu Nov 3, 8:22 pm)

[LAT] scheduled server downtime - 10/Jan/12 - linuxaudio.org, Robin Gareus, (Sat Jan 7, 3:39 pm)

Re: [LAT] 2.6.29-rt1, Fernando Lopez-Lezcano, (Thu Mar 26, 8:40 pm)

Re: [LAT] 2.6.29-rt1, Robin Gareus, (Thu Mar 26, 9:21 pm)

Re: [LAT] 2.6.29-rt1, Fernando Lopez-Lezcano, (Fri Mar 27, 5:23 pm)

Re: [LAT] 2.6.29-rt1, , (Fri Mar 27, 7:09 pm)

Re: [LAT] 2.6.29-rt1, Robin Gareus, (Fri Mar 27, 5:27 pm)

Re: [LAT] 2.6.29-rt1, , (Fri Mar 27, 12:57 pm)

Re: [LAT] 2.6.29-rt1, Robin Gareus, (Fri Mar 27, 12:59 pm)

Re: [LAT] 2.6.29-rt1, Grammostola Rosea, (Fri Mar 27, 1:02 pm)

Re: [LAT] 2.6.29-rt1, , (Thu Mar 26, 8:13 pm)

Re: [LAT] 2.6.29-rt1, Robin Gareus, (Thu Mar 26, 8:30 pm)

Re: [LAT] [LAU] RT patch not needed for new kernels (?), Fernando Lopez-Lezcano, (Wed Nov 26, 11:45 pm)

Re: [LAT] Tickless kernel and realtime, Robin Gareus, (Mon Sep 15, 5:00 pm)

Re: [LAT] Tickless kernel and realtime, Daniel James, (Tue Sep 16, 9:36 am)

Re: [LAT] Tickless kernel and realtime, Jaromír Mikeš, (Wed Sep 17, 10:36 pm)

Re: [LAT] Tickless kernel and realtime, Robin Gareus, (Thu Sep 18, 2:47 pm)

Re: [LAT] Tickless kernel and realtime, Jaromír Mikeš, (Thu Sep 18, 7:42 pm)

Re: [LAT] Tickless kernel and realtime, Emanuel Rumpf, (Sun Sep 14, 12:38 pm)