http://bugs.winehq.org/show_bug.cgi?id=30038
--- Comment #9 from Gerald Pfeifer gerald@pfeifer.com 2012-03-01 20:43:04 CST --- Interesting, my tests were on physical hardware, and there I always found both. Indeed on a virtual instance dev.cpu.0.freq was missing.
This is consisent with Austin's findings, but not Hardy's. In any case, it seems hw.clockrate really is the way to go -- we all always found that one. :-)