Re: [Valgrind-developers] Meassuring Time in System Calls (Cachegrind) ?

[Jeremy F. <je...@go...>]

On Thu, 2002-11-14 at 15:00, Robert Walsh wrote:

> > For vgprof, I added a  
> >         Long VG_(get_tsc_ticks_per_millisecond)(void)
> > to core, and then used the tsc for measuring time.
> 
> How do you convert tsc -> microseconds?


Valgrind calibrates the tsc against gettimeofday at startup.

        J