Alexey Perevalov <a.pereva...@samsung.com> wrote: > Reviewed-by: Dr. David Alan Gilbert <dgilb...@redhat.com> > Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com> > --- > docs/migration.txt | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/docs/migration.txt b/docs/migration.txt > index 1b940a8..4b625ca 100644 > --- a/docs/migration.txt > +++ b/docs/migration.txt > @@ -402,6 +402,16 @@ will now cause the transition from precopy to postcopy. > It can be issued immediately after migration is started or any > time later on. Issuing it after the end of a migration is harmless. > > +Blocktime is a postcopy live migration metric, intended to show > +how long the vCPU was in state of interruptable sleep due to pagefault. > +This value is calculated on destination side. > +To enable postcopy blocktime calculation, enter following command on > destination > +monitor: > + > +migrate_set_capability postcopy-blocktime on > + > +Postcopy blocktime can be retrieved by query-migrate qmp command. > + > Note: During the postcopy phase, the bandwidth limits set using > migrate_set_speed is ignored (to avoid delaying requested pages that > the destination is waiting for).
Reviewed-by: Juan Quintela <quint...@redhat.com> If you have to respin, I think that put the units would be a good idea. Even you can put the units in the patch where you define the value.
