Message ID | 1494588703-9076-10-git-send-email-a.perevalov@samsung.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On 05/12/2017 06:31 AM, Alexey Perevalov wrote: > Signed-off-by: Alexey Perevalov <a.perevalov@samsung.com> > --- > docs/migration.txt | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/docs/migration.txt b/docs/migration.txt > index 1b940a8..d0f5a6d 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 it's a postcopy live migration metric, intend to show s/it's/is/ s/intend/intended/ > +when source vCPU was in state interruptable sleep due to pagefault. s/when/how long the/ > +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 could be retrieved by query-migrate qmp command. s/could/can/ > + > 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). >
diff --git a/docs/migration.txt b/docs/migration.txt index 1b940a8..d0f5a6d 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 it's a postcopy live migration metric, intend to show +when source vCPU was in state 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 could 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).
Signed-off-by: Alexey Perevalov <a.perevalov@samsung.com> --- docs/migration.txt | 10 ++++++++++ 1 file changed, 10 insertions(+)