Re: Intel P6 vs P7 system call performance

Matti Aarnio
2002-12-17T19:59:56Z

(cutting down To:/Cc:)

On Tue, Dec 17, 2002 at 11:43:57AM -0800, H. Peter Anvin wrote:
> Linus Torvalds wrote:
> > The thing is, gettimeofday() isn't _that_ special. It's just not worth a
> > vsyscall of it's own, I feel. Where do you stop? Do we do getpid() too?
> > Just because we can?
>
> getpid() could be implemented in userspace, but not via vsyscalls
> (instead it could be passed in the ELF data area at process start.)

After fork() or clone() ?
If we had only spawn(), and some separate way to start threads...

...
> -hpa

/Matti Aarnio