2006-09-27 Josh Stone <joshua.i.stone@intel.com>

	* session.h (struct systemtap_session): Add kernel_base_release
	to store the kernel version without the -NNN suffix.
	* main.cxx (main): Generate and use kernel_base_release.
	* parse.cxx (eval_pp_conditional): Use kernel_base_release.
	* tapsets.cxx (profile_derived_probe::profile_derived_probe):
	Use kernel_base_release.

	* tapsets.cxx (timer_builder::build): Support a wide variety of
	timer varients -- jiffies, s/sec, ms/msec, us/usec, ns/nsec, and
	hz.  Use hrtimers automatically on kernels that have it.
	(timer_builder::register_patterns): Bind all of the new timer
	varients in one easy place.
	(register_standard_tapsets): Call timer_builder::register_patterns.
	(struct hrtimer_builder): Removed since timer_builder is generic.
	* stapprobes.5.in: Document new timer.* functionality.

	* tapsets.cxx (hrtimer_derived_probe_group::emit_probes): Add a
	shared global for the actual hrtimer resolution, _stp_hrtimer_res.
	(hrtimer_derived_probe_group::emit_module): Init _stp_hrtimer_res.
	(hrtimer_derived_probe::emit_interval): Limit intervals at a
	minimum to the hrtimer's actual resolution.
	(hrtimer_derived_probe::emit_probe_entries): Forward timers
	based on previous expiration instead of restarting relative.

testsuite/
	* buildok/fourteen.stp: Test new timer functionality.

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