John Kasunich wrote: > > Unfortunately, conversion from clocks to time is non-trivial, so we > simply report the results in clocks. The situation is getting worse, > not better. In the name of "progress", we now have to deal with CPUs > that change their clock frequencies on the fly. I've even heard a > report that on some modern CPUs, the TSC can no longer even be counted > on to be monotonic. Newer Intel and AMD CPUs have thermal protection logic that causes it to skip clocks when geting hot, and shuts off the clock when severely overheated (150 C die temp). Just what you need in a guaranteed-latency real-time system!
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