lkml.org 
[lkml]   [2001]   [Apr]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: X15 alpha release: as fast as TUX but in user space (fwd)

On Sat, 28 Apr 2001, Andi Kleen wrote:

> You can also just use the cycle counter directly in most modern CPUs.
> It can be read with a single instruction. In fact modern glibc will do
> it for you when you use clock_gettime(CLOCK_PROCESS_CPUTIME_ID, ...)

well, it's not reliable while using things like APM, so i'd not recommend
to depend on it too much.

Ingo


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 12:52    [from the cache]
©2003-2014 Jasper Spaans. hosted at Digital Ocean