On Sun, 10 Jan 2016 12:37:28 +0100 (CET) Holger Marzen <[email protected]> wrote:
> On Sun, 10 Jan 2016, Leszek Wroński wrote: > > > Thank you very much again. Indeed Rosegarden displays a warning and tells > > me to run 'sudo modprobe snd-rtctimer'. Unfortunately, I don't have that > > module. I ran 'sudo modprobe snd-hrtimer' instead, but the warning still > > appears. The 'details' section informs me "WARNING: using system timer with > > only 250Hz resolution!" > > That means that you use a standard kernel, not a low latency kernel. > There are 3 classes of kernels: > > - standard for servers and desktops, usually with 250 HZ > - lowlatency kernels, usually with 1000 HZ > - realtime kernel, rocket science from outer space > > Realtime kernels may be the kernels of choice when seeking for lowest > possible latencies for live use with a superfast interface. > > I use and recommend lowlatency kernels. No rocket science. Just install > a lowlatency kernel. It's usually in the repository of your distribution > with "lowlatency" in its name. > > Install, boot this kernel, enjoy. You can still get very good results if you point Rosegarden's timer to your soundcard, which *will* be a high resolution time source. e.g. HW:PCH -- W J G ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=267308311&iu=/4140 _______________________________________________ Rosegarden-user mailing list [email protected] - use the link below to unsubscribe https://lists.sourceforge.net/lists/listinfo/rosegarden-user
