Re: GLIBC IA64 HP_TIMING fixes for SMP systems with unsynchronized ITC

David Mosberger
2004-06-04T06:04:34Z

>>>>> On Thu, 3 Jun 2004 13:28:35 -0700 (PDT), Christoph Lameter <christoph@lameter.com> said:

Christoph> The following patch checks for drifty ITC clocks based on
Christoph> that file. If ITC is drifty then it generates timestamps
Christoph> based on the gettimeofday system call.

Does anyone else find it annoying that gettimeofday() only provides
micro-second resolution? We can do syscalls significantly faster than
that (especially with a light-weight syscall handler). Time for a
kernel extension?

--daivd