Bug 64165: Fix RDTSC calibration #65

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merged 1 commit into from Dec 24, 2013

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Do a busy loop instead of usleep(5000), since usleep(5000) causes the
CPU to halt, giving meaningless results.

@tstarling tstarling Bug 64165: Fix RDTSC calibration
Do a busy loop instead of usleep(5000), since usleep(5000) causes the
CPU to halt, giving meaningless results.
ec7631b

@preinheimer preinheimer added a commit that referenced this pull request Dec 24, 2013

@preinheimer preinheimer Merge pull request #65 from tstarling/master
Bug 64165: Fix RDTSC calibration
29a77c3

@preinheimer preinheimer merged commit 29a77c3 into preinheimer:master Dec 24, 2013

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preinheimer commented Dec 24, 2013

thanks, sorry for the stupid delay.

atdt referenced this pull request in facebook/hhvm Jan 4, 2014

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Fix RDTSC calibration in ext_hotprofiler #1488

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