Jeroen Mostert wrote:
negatively affect performance of the host (which makes sense, since driving all virtuals with 1000 interrupts/sec can't be easy). Even so,
You wouldn't expect 1ms ticks. You might get 20 ticks back to back, and then a gap of 20ms, or even larger numbers. VMs generally only get a virtual 1 second per second as a long term average.
There has been conflicting advice on running ntpd on VMs, but I suspect the current advice to run it is an easy way of getting coarse timing right. Fine timing should use the host timing and any special VM support for the OS.
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