The cycle counter is register number 0x10
cheers, Stephan
On Sat, 1 Mar 1997 mcculley@seminole.iag.net wrote:
> Is it possible for me to use the cycle counter MSR entirely from user
> space? I hack a simulation application that uses the cycle counter on
> the SGI. The advantage to using the cycle counter is that it serves
> as a super fast, super accurate gettimeofday. This is important to my
> simulation. It would be nice if I could get the same kind of
> advantage on Linux/i386.
>
> FYI: Already, this application benchmarks better on a Pentium Pro 200
> than on a 195MHz r10000 SGI Indigo2. And the SGI has the unfair
> advantage of not having to byte swap a lot of network traffic and
> having a cycle counter.
>
> --
> Gene McCulley mcculley@iag.net http://www.iag.net/~mcculley
>
>
-----------------------------------------------
Stephan Meyer
+49-89-4301114
Stephan.Meyer@munich.netsurf.de
http://fatman.mathematik.tu-muenchen.de/~meyer/
-----------------------------------------------