Time to pause VM

[ikada]

How long does it take to pause a VM? I'm measuring ~100ms from the Python API but I just realized that the actual freeze could be near instantaneous and the time it takes to save the RAM might take the bulk of the time.

Is there a better way of measuring the internal time of the VM? I'm trying to minimize the time it takes to pause a VM so I can measure things while it's paused, then resume again, preferably at around 30Hz. (I realize this isn't a standard use case.)

[noteirak]

Pausing a VM does not save the state on disk, the virtual CPU execution is just halted, so 100ms sounds about right.

Or are you refering to the saveState() operation?
If you do, saveState() returns a IProgress object on which you can wait for full completion of the action using waitForCompletion() with a timeout of -1