Re: [Syllable-kernel] upcoming Syllable patches..

[Maritimus <rea...@ih...>]

Jake Hamby wrote:

> I am busy preparing my next "mega-patch" for the kernel which will:
>

be great


> I'm also halfway done with integrating the latest TSC timer code from
> Linux which uses the Pentium internal clock to give sub-microsecond
> precision to the udelay() and get_system_time() calls.  It's necessary
> to have the best possible accuracy for gettimeofday() in order for
> LMbench to give accurate results in a short benchmarking run.  Right
> now, LMbench says it is only accurate to 1000000us, compared to 5000us
> precision under Linux, which is the best possible result (1000000us is
> the worst possible result).

Ok I don't really know this stuff, but will this have a fallback if i586
time stamp code doesn't work with a particular x86 CPU?

This looked interesting:
http://www.cs.helsinki.fi/linux/linux-kernel/2001-31/0542.html