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wptdriver using 100% cpu - EEP22 - 02-28-2013 12:04 AM


We have WPT setup on virtual machines and have been noticing the driver sits at using 100% cpu for long periods of time. This only seems to be an issue on VMs that have access to multiple cores, is this a known issue with the driver? Or have we set something up wrong?

RE: wptdriver using 100% cpu - pmeenan - 02-28-2013 12:37 AM

Is that from the perspective of the guest or from outside of the VM? CPU utilization inside of a VM tends to be a bit screwy because the host only supplies it the CPU cycles it needs so it can look artificially high.

I'm not aware of any issues.

RE: wptdriver using 100% cpu - auduny - 11-01-2013 06:33 AM

FINALY. That solved my problem. Seems like wptdriver isn't very happy with several cpu cores. Setting affinity on wptdriver.exe to only run on one Core fixes all isssues with crashes/freezes/strange results.