Messages in this thread | | | Date | Thu, 16 Jan 2003 21:33:32 +0000 | From | Jamie Lokier <> | Subject | Re: [PATCH] improved boot time TSC synchronization |
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Jim Houston wrote: > + * t0 ---\ > + * ---\ > + * ---> > + * tm > + * /--- > + * /--- > + * t1 <--- > + * > + * > + * The goal is to adjust the slave's TSC such that tm falls exactly half-way > + * between t0 and t1.
It looks like not only can you synchronise with a certain accuracy, you can determine an upper bound on that accuracy (assuming the underlying CPU clocks are locked).
Maybe that figure could be put into /proc/cpuinfo?
As well as being an interesting value, it may be useful for programs to know the effective accuracy of `rdtsc'.
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