Re: locking changes in tty broke low latency feature

2014-02-20 Thread Hal Murray
> Have you tried 3.12+ without low_latency? I ripped out a lot of locks from > 3.12+ so it's possible it already meets your requirements. Looks good. I don't think I could tell the difference by looking at my normal collection of graphs. > Hopefully you meant "milliseconds" here; single-digi

Re: locking changes in tty broke low latency feature

2014-02-19 Thread Hal Murray
> Can you give me an idea of your device's average and minimum required > latency (please be specific)? Is your target arch x86 [so I can evaluate the > the impact of bus-locked instructions relative to your expected]? The code I'm familiar with is ntpd and gpsd. They run on almost any hardware