diff options
Diffstat (limited to 'migration/migration.c')
| -rw-r--r-- | migration/migration.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/migration/migration.c b/migration/migration.c index 0b2045ccbd..59da5d0625 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -78,6 +78,7 @@ /*0: means nocompress, 1: best speed, ... 9: best compress ratio */ #define DEFAULT_MIGRATE_COMPRESS_LEVEL 1 /* Define default autoconverge cpu throttle migration parameters */ +#define DEFAULT_MIGRATE_THROTTLE_TRIGGER_THRESHOLD 50 #define DEFAULT_MIGRATE_CPU_THROTTLE_INITIAL 20 #define DEFAULT_MIGRATE_CPU_THROTTLE_INCREMENT 10 #define DEFAULT_MIGRATE_MAX_CPU_THROTTLE 99 @@ -778,6 +779,8 @@ MigrationParameters *qmp_query_migrate_parameters(Error **errp) params->compress_wait_thread = s->parameters.compress_wait_thread; params->has_decompress_threads = true; params->decompress_threads = s->parameters.decompress_threads; + params->has_throttle_trigger_threshold = true; + params->throttle_trigger_threshold = s->parameters.throttle_trigger_threshold; params->has_cpu_throttle_initial = true; params->cpu_throttle_initial = s->parameters.cpu_throttle_initial; params->has_cpu_throttle_increment = true; @@ -1169,6 +1172,15 @@ static bool migrate_params_check(MigrationParameters *params, Error **errp) return false; } + if (params->has_throttle_trigger_threshold && + (params->throttle_trigger_threshold < 1 || + params->throttle_trigger_threshold > 100)) { + error_setg(errp, QERR_INVALID_PARAMETER_VALUE, + "throttle_trigger_threshold", + "an integer in the range of 1 to 100"); + return false; + } + if (params->has_cpu_throttle_initial && (params->cpu_throttle_initial < 1 || params->cpu_throttle_initial > 99)) { @@ -1298,6 +1310,10 @@ static void migrate_params_test_apply(MigrateSetParameters *params, dest->decompress_threads = params->decompress_threads; } + if (params->has_throttle_trigger_threshold) { + dest->throttle_trigger_threshold = params->throttle_trigger_threshold; + } + if (params->has_cpu_throttle_initial) { dest->cpu_throttle_initial = params->cpu_throttle_initial; } @@ -1382,6 +1398,10 @@ static void migrate_params_apply(MigrateSetParameters *params, Error **errp) s->parameters.decompress_threads = params->decompress_threads; } + if (params->has_throttle_trigger_threshold) { + s->parameters.throttle_trigger_threshold = params->throttle_trigger_threshold; + } + if (params->has_cpu_throttle_initial) { s->parameters.cpu_throttle_initial = params->cpu_throttle_initial; } @@ -3558,6 +3578,9 @@ static Property migration_properties[] = { DEFINE_PROP_UINT8("x-decompress-threads", MigrationState, parameters.decompress_threads, DEFAULT_MIGRATE_DECOMPRESS_THREAD_COUNT), + DEFINE_PROP_UINT8("x-throttle-trigger-threshold", MigrationState, + parameters.throttle_trigger_threshold, + DEFAULT_MIGRATE_THROTTLE_TRIGGER_THRESHOLD), DEFINE_PROP_UINT8("x-cpu-throttle-initial", MigrationState, parameters.cpu_throttle_initial, DEFAULT_MIGRATE_CPU_THROTTLE_INITIAL), @@ -3667,6 +3690,7 @@ static void migration_instance_init(Object *obj) params->has_compress_level = true; params->has_compress_threads = true; params->has_decompress_threads = true; + params->has_throttle_trigger_threshold = true; params->has_cpu_throttle_initial = true; params->has_cpu_throttle_increment = true; params->has_max_bandwidth = true; |