2006-09-20 Josh Stone <joshua.i.stone@intel.com>

2006-09-20  Josh Stone  <joshua.i.stone@intel.com>

	PR 3233

./
	* stapfuncs.5.in: Document new gettimeofday_ns.

runtime/
	* time.c (stp_time_t): Use ns for the base time, and freq is now kHz.
	(__stp_estimate_cpufreq): Compute kHz instead of MHz.
	(__stp_time_timer_callback, __stp_init_time): Compute base in ns.
	(__stp_time_cpufreq_callback): Record kHz instead of MHz.
	(_stp_init_time): Record kHz, and disable preemption to avoid a race
	in the cpufreq notifier.
	(_stp_gettimeofday_ns): Converted from _stp_gettimeofday_us.

tapset/
	* timestamp.stp (gettimeofday_ns): New function
	(gettimeofday_us, gettimeofday_ms, gettimeofday_s):
	Use gettimeofday_ns as the base unit.

testsuite/
	* buildok/timestamp.stp: add gettimeofday_ns test.