GLIBC IA64 HP_TIMING fixes for SMP systems with unsynchronized ITC

David Mosberger davidm@napali.hpl.hp.com
Fri Jun 4 06:04:00 GMT 2004


>>>>> 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



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