On 7/31/23 08:32, Avihai Horon wrote:
On 30/07/2023 19:25, Cédric Le Goater wrote:
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On 7/16/23 10:15, Avihai Horon wrote:
Changing the device state from STOP_COPY to STOP can take time as the
device may need to free resources and do other operations as part of the
transition. Currently, this is done in vfio_save_complete_precopy() and
therefore it is counted in the migration downtime.
To avoid this, change the device state from STOP_COPY to STOP in
vfio_save_cleanup(), which is called after migration has completed and
thus is not part of migration downtime.
Signed-off-by: Avihai Horon <avih...@nvidia.com>
Have you tried this series with vGPUs ? If so, are there any improvement
to report ?
Not with a vGPU.
But I tried it with a ConnectX-7 VF and I could see up to 6% downtime
improvement.
I mentioned this in the cover letter.
Do you want to mention it also in the commit message?
This is not necessary.
Thanks,
C.
