Message ID | 1485207141-1941-8-git-send-email-quintela@redhat.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
* Juan Quintela (quintela@redhat.com) wrote: > Indicates how many pages we are going to send in each bach to a multifd > thread. bach->batch > Signed-off-by: Juan Quintela <quintela@redhat.com> > --- > hmp.c | 8 ++++++++ > include/migration/migration.h | 1 + > migration/migration.c | 23 +++++++++++++++++++++++ > qapi-schema.json | 11 +++++++++-- > 4 files changed, 41 insertions(+), 2 deletions(-) > > diff --git a/hmp.c b/hmp.c > index 8c7e302..e579766 100644 > --- a/hmp.c > +++ b/hmp.c > @@ -325,6 +325,9 @@ void hmp_info_migrate_parameters(Monitor *mon, const QDict *qdict) > monitor_printf(mon, " %s: %" PRId64, > MigrationParameter_lookup[MIGRATION_PARAMETER_X_MULTIFD_THREADS], > params->x_multifd_threads); > + monitor_printf(mon, " %s: %" PRId64, > + MigrationParameter_lookup[MIGRATION_PARAMETER_X_MULTIFD_GROUP], > + params->x_multifd_group); > monitor_printf(mon, "\n"); > } > > @@ -1401,6 +1404,10 @@ void hmp_migrate_set_parameter(Monitor *mon, const QDict *qdict) > p.has_x_multifd_threads = true; > use_int_value = true; > break; > + case MIGRATION_PARAMETER_X_MULTIFD_GROUP: > + p.has_x_multifd_group = true; > + use_int_value = true; > + break; > } > > if (use_int_value) { > @@ -1419,6 +1426,7 @@ void hmp_migrate_set_parameter(Monitor *mon, const QDict *qdict) > p.downtime_limit = valueint; > p.x_checkpoint_delay = valueint; > p.x_multifd_threads = valueint; > + p.x_multifd_group = valueint; > } > > qmp_migrate_set_parameters(&p, &err); > diff --git a/include/migration/migration.h b/include/migration/migration.h > index b35044c..515569d 100644 > --- a/include/migration/migration.h > +++ b/include/migration/migration.h > @@ -248,6 +248,7 @@ bool migration_in_postcopy_after_devices(MigrationState *); > MigrationState *migrate_get_current(void); > > int migrate_multifd_threads(void); > +int migrate_multifd_group(void); > > void migrate_compress_threads_create(void); > void migrate_compress_threads_join(void); > diff --git a/migration/migration.c b/migration/migration.c > index 2fe03d8..9bde01b 100644 > --- a/migration/migration.c > +++ b/migration/migration.c > @@ -68,6 +68,7 @@ > */ > #define DEFAULT_MIGRATE_X_CHECKPOINT_DELAY 200 > #define DEFAULT_MIGRATE_MULTIFD_THREADS 2 > +#define DEFAULT_MIGRATE_MULTIFD_GROUP 16 See below ^^^ > > static NotifierList migration_state_notifiers = > NOTIFIER_LIST_INITIALIZER(migration_state_notifiers); > @@ -103,6 +104,7 @@ MigrationState *migrate_get_current(void) > .downtime_limit = DEFAULT_MIGRATE_SET_DOWNTIME, > .x_checkpoint_delay = DEFAULT_MIGRATE_X_CHECKPOINT_DELAY, > .x_multifd_threads = DEFAULT_MIGRATE_MULTIFD_THREADS, > + .x_multifd_group = DEFAULT_MIGRATE_MULTIFD_GROUP, > }, > }; > > @@ -595,6 +597,8 @@ MigrationParameters *qmp_query_migrate_parameters(Error **errp) > params->x_checkpoint_delay = s->parameters.x_checkpoint_delay; > params->has_x_multifd_threads = true; > params->x_multifd_threads = s->parameters.x_multifd_threads; > + params->has_x_multifd_group = true; > + params->x_multifd_group = s->parameters.x_multifd_group; > > return params; > } > @@ -865,6 +869,13 @@ void qmp_migrate_set_parameters(MigrationParameters *params, Error **errp) > "is invalid, it should be in the range of 1 to 255"); > return; > } > + if (params->has_x_multifd_group && > + (params->x_multifd_group < 1 || params->x_multifd_group > 10000)) { > + error_setg(errp, QERR_INVALID_PARAMETER_VALUE, > + "multifd_group", > + "is invalid, it should be in the range of 1 to 10000"); > + return; > + } > > if (params->has_compress_level) { > s->parameters.compress_level = params->compress_level; > @@ -906,6 +917,9 @@ void qmp_migrate_set_parameters(MigrationParameters *params, Error **errp) > if (params->has_x_multifd_threads) { > s->parameters.x_multifd_threads = params->x_multifd_threads; > } > + if (params->has_x_multifd_group) { > + s->parameters.x_multifd_group = params->x_multifd_group; > + } > } > > > @@ -1351,6 +1365,15 @@ int migrate_multifd_threads(void) > return s->parameters.x_multifd_threads; > } > > +int migrate_multifd_group(void) > +{ > + MigrationState *s; > + > + s = migrate_get_current(); > + > + return s->parameters.x_multifd_group; > +} > + > int migrate_use_xbzrle(void) > { > MigrationState *s; > diff --git a/qapi-schema.json b/qapi-schema.json > index 2273864..54232ee 100644 > --- a/qapi-schema.json > +++ b/qapi-schema.json > @@ -984,6 +984,9 @@ > # @x-multifd-threads: Number of threads used to migrate data in parallel > # The default value is 2 (since 2.9) > # > +# @x-multifd-group: Number of pages sent together to a thread > +# The default value is 32 (since 2.9) Your default is set above as 16. Other than that; Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> > +# > # Since: 2.4 > ## > { 'enum': 'MigrationParameter', > @@ -991,7 +994,7 @@ > 'cpu-throttle-initial', 'cpu-throttle-increment', > 'tls-creds', 'tls-hostname', 'max-bandwidth', > 'downtime-limit', 'x-checkpoint-delay', > - 'x-multifd-threads'] } > + 'x-multifd-threads', 'x-multifd-group'] } > > ## > # @migrate-set-parameters: > @@ -1058,6 +1061,9 @@ > # @x-multifd-threads: Number of threads used to migrate data in parallel > # The default value is 1 (since 2.9) > # > +# @x-multifd-group: Number of pages sent together in a bunch > +# The default value is 32 (since 2.9) > +# > # Since: 2.4 > ## > { 'struct': 'MigrationParameters', > @@ -1071,7 +1077,8 @@ > '*max-bandwidth': 'int', > '*downtime-limit': 'int', > '*x-checkpoint-delay': 'int', > - '*x-multifd-threads': 'int'} } > + '*x-multifd-threads': 'int', > + '*x-multifd-group': 'int'} } > > ## > # @query-migrate-parameters: > -- > 2.9.3 > -- Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
diff --git a/hmp.c b/hmp.c index 8c7e302..e579766 100644 --- a/hmp.c +++ b/hmp.c @@ -325,6 +325,9 @@ void hmp_info_migrate_parameters(Monitor *mon, const QDict *qdict) monitor_printf(mon, " %s: %" PRId64, MigrationParameter_lookup[MIGRATION_PARAMETER_X_MULTIFD_THREADS], params->x_multifd_threads); + monitor_printf(mon, " %s: %" PRId64, + MigrationParameter_lookup[MIGRATION_PARAMETER_X_MULTIFD_GROUP], + params->x_multifd_group); monitor_printf(mon, "\n"); } @@ -1401,6 +1404,10 @@ void hmp_migrate_set_parameter(Monitor *mon, const QDict *qdict) p.has_x_multifd_threads = true; use_int_value = true; break; + case MIGRATION_PARAMETER_X_MULTIFD_GROUP: + p.has_x_multifd_group = true; + use_int_value = true; + break; } if (use_int_value) { @@ -1419,6 +1426,7 @@ void hmp_migrate_set_parameter(Monitor *mon, const QDict *qdict) p.downtime_limit = valueint; p.x_checkpoint_delay = valueint; p.x_multifd_threads = valueint; + p.x_multifd_group = valueint; } qmp_migrate_set_parameters(&p, &err); diff --git a/include/migration/migration.h b/include/migration/migration.h index b35044c..515569d 100644 --- a/include/migration/migration.h +++ b/include/migration/migration.h @@ -248,6 +248,7 @@ bool migration_in_postcopy_after_devices(MigrationState *); MigrationState *migrate_get_current(void); int migrate_multifd_threads(void); +int migrate_multifd_group(void); void migrate_compress_threads_create(void); void migrate_compress_threads_join(void); diff --git a/migration/migration.c b/migration/migration.c index 2fe03d8..9bde01b 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -68,6 +68,7 @@ */ #define DEFAULT_MIGRATE_X_CHECKPOINT_DELAY 200 #define DEFAULT_MIGRATE_MULTIFD_THREADS 2 +#define DEFAULT_MIGRATE_MULTIFD_GROUP 16 static NotifierList migration_state_notifiers = NOTIFIER_LIST_INITIALIZER(migration_state_notifiers); @@ -103,6 +104,7 @@ MigrationState *migrate_get_current(void) .downtime_limit = DEFAULT_MIGRATE_SET_DOWNTIME, .x_checkpoint_delay = DEFAULT_MIGRATE_X_CHECKPOINT_DELAY, .x_multifd_threads = DEFAULT_MIGRATE_MULTIFD_THREADS, + .x_multifd_group = DEFAULT_MIGRATE_MULTIFD_GROUP, }, }; @@ -595,6 +597,8 @@ MigrationParameters *qmp_query_migrate_parameters(Error **errp) params->x_checkpoint_delay = s->parameters.x_checkpoint_delay; params->has_x_multifd_threads = true; params->x_multifd_threads = s->parameters.x_multifd_threads; + params->has_x_multifd_group = true; + params->x_multifd_group = s->parameters.x_multifd_group; return params; } @@ -865,6 +869,13 @@ void qmp_migrate_set_parameters(MigrationParameters *params, Error **errp) "is invalid, it should be in the range of 1 to 255"); return; } + if (params->has_x_multifd_group && + (params->x_multifd_group < 1 || params->x_multifd_group > 10000)) { + error_setg(errp, QERR_INVALID_PARAMETER_VALUE, + "multifd_group", + "is invalid, it should be in the range of 1 to 10000"); + return; + } if (params->has_compress_level) { s->parameters.compress_level = params->compress_level; @@ -906,6 +917,9 @@ void qmp_migrate_set_parameters(MigrationParameters *params, Error **errp) if (params->has_x_multifd_threads) { s->parameters.x_multifd_threads = params->x_multifd_threads; } + if (params->has_x_multifd_group) { + s->parameters.x_multifd_group = params->x_multifd_group; + } } @@ -1351,6 +1365,15 @@ int migrate_multifd_threads(void) return s->parameters.x_multifd_threads; } +int migrate_multifd_group(void) +{ + MigrationState *s; + + s = migrate_get_current(); + + return s->parameters.x_multifd_group; +} + int migrate_use_xbzrle(void) { MigrationState *s; diff --git a/qapi-schema.json b/qapi-schema.json index 2273864..54232ee 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -984,6 +984,9 @@ # @x-multifd-threads: Number of threads used to migrate data in parallel # The default value is 2 (since 2.9) # +# @x-multifd-group: Number of pages sent together to a thread +# The default value is 32 (since 2.9) +# # Since: 2.4 ## { 'enum': 'MigrationParameter', @@ -991,7 +994,7 @@ 'cpu-throttle-initial', 'cpu-throttle-increment', 'tls-creds', 'tls-hostname', 'max-bandwidth', 'downtime-limit', 'x-checkpoint-delay', - 'x-multifd-threads'] } + 'x-multifd-threads', 'x-multifd-group'] } ## # @migrate-set-parameters: @@ -1058,6 +1061,9 @@ # @x-multifd-threads: Number of threads used to migrate data in parallel # The default value is 1 (since 2.9) # +# @x-multifd-group: Number of pages sent together in a bunch +# The default value is 32 (since 2.9) +# # Since: 2.4 ## { 'struct': 'MigrationParameters', @@ -1071,7 +1077,8 @@ '*max-bandwidth': 'int', '*downtime-limit': 'int', '*x-checkpoint-delay': 'int', - '*x-multifd-threads': 'int'} } + '*x-multifd-threads': 'int', + '*x-multifd-group': 'int'} } ## # @query-migrate-parameters:
Indicates how many pages we are going to send in each bach to a multifd thread. Signed-off-by: Juan Quintela <quintela@redhat.com> --- hmp.c | 8 ++++++++ include/migration/migration.h | 1 + migration/migration.c | 23 +++++++++++++++++++++++ qapi-schema.json | 11 +++++++++-- 4 files changed, 41 insertions(+), 2 deletions(-)