[LAU] OnDemand-performance was(OT: klang)

Ralf Mardorf ralf.mardorf at alice-dsl.net
Sun Aug 5 20:46:06 UTC 2012

On Sun, 2012-08-05 at 22:20 +0200, Robin Gareus wrote:
> I really wonder why you are all raving about this.

Take a look at your own NB [1].

> Disable PCI and/or PCIe power-management in the BIOS and also disable
> EIST and C1E halt-states; and, the 'ondemand' governor will works just fine.

There's no PCI/PCIe power-management option and no EIST for my BIOS.
C1E already was disabled.

> If you have an unlimited supply of power and noise of cooling
> the system is of no concern: sure, use the 'performance' CPU-freq
> governor -- reducing the number of possibilities in complex systems
> usually increases reliability... which is indeed a good thing for audio.



> NB. frequency scaling _can_ be an issue when using jack2 (or tschak) on
> a multi-core machine: The total system-load (over all CPUs) may still be
> too low for the CPU governor to react, while DSP load is already at the
> limit.

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