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[Qemu-devel] [PULL 08/16] migration: export parameters to props
From: |
Juan Quintela |
Subject: |
[Qemu-devel] [PULL 08/16] migration: export parameters to props |
Date: |
Tue, 18 Jul 2017 17:41:19 +0200 |
From: Peter Xu <address@hidden>
Export migration parameters to qdev properties. Then we can use, for
example:
-global migration.x-cpu-throttle-initial=xxx
To specify migration parameters during init.
Prefix "x-" is appended for each parameter exported to show that this is
not a stable interface, and only for debugging/testing purpose.
Reviewed-by: Juan Quintela <address@hidden>
Signed-off-by: Peter Xu <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Juan Quintela <address@hidden>
---
migration/migration.c | 35 +++++++++++++++++++++++++----------
1 file changed, 25 insertions(+), 10 deletions(-)
diff --git a/migration/migration.c b/migration/migration.c
index 8552f54..f5ed333 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -2010,6 +2010,31 @@ static Property migration_properties[] = {
send_configuration, true),
DEFINE_PROP_BOOL("send-section-footer", MigrationState,
send_section_footer, true),
+
+ /* Migration parameters */
+ DEFINE_PROP_INT64("x-compress-level", MigrationState,
+ parameters.compress_level,
+ DEFAULT_MIGRATE_COMPRESS_LEVEL),
+ DEFINE_PROP_INT64("x-compress-threads", MigrationState,
+ parameters.compress_threads,
+ DEFAULT_MIGRATE_COMPRESS_THREAD_COUNT),
+ DEFINE_PROP_INT64("x-decompress-threads", MigrationState,
+ parameters.decompress_threads,
+ DEFAULT_MIGRATE_DECOMPRESS_THREAD_COUNT),
+ DEFINE_PROP_INT64("x-cpu-throttle-initial", MigrationState,
+ parameters.cpu_throttle_initial,
+ DEFAULT_MIGRATE_CPU_THROTTLE_INITIAL),
+ DEFINE_PROP_INT64("x-cpu-throttle-increment", MigrationState,
+ parameters.cpu_throttle_increment,
+ DEFAULT_MIGRATE_CPU_THROTTLE_INCREMENT),
+ DEFINE_PROP_INT64("x-max-bandwidth", MigrationState,
+ parameters.max_bandwidth, MAX_THROTTLE),
+ DEFINE_PROP_INT64("x-downtime-limit", MigrationState,
+ parameters.downtime_limit,
+ DEFAULT_MIGRATE_SET_DOWNTIME),
+ DEFINE_PROP_INT64("x-checkpoint-delay", MigrationState,
+ parameters.x_checkpoint_delay,
+ DEFAULT_MIGRATE_X_CHECKPOINT_DELAY),
DEFINE_PROP_END_OF_LIST(),
};
@@ -2028,16 +2053,6 @@ static void migration_instance_init(Object *obj)
ms->state = MIGRATION_STATUS_NONE;
ms->xbzrle_cache_size = DEFAULT_MIGRATE_CACHE_SIZE;
ms->mbps = -1;
- ms->parameters = (MigrationParameters) {
- .compress_level = DEFAULT_MIGRATE_COMPRESS_LEVEL,
- .compress_threads = DEFAULT_MIGRATE_COMPRESS_THREAD_COUNT,
- .decompress_threads = DEFAULT_MIGRATE_DECOMPRESS_THREAD_COUNT,
- .cpu_throttle_initial = DEFAULT_MIGRATE_CPU_THROTTLE_INITIAL,
- .cpu_throttle_increment = DEFAULT_MIGRATE_CPU_THROTTLE_INCREMENT,
- .max_bandwidth = MAX_THROTTLE,
- .downtime_limit = DEFAULT_MIGRATE_SET_DOWNTIME,
- .x_checkpoint_delay = DEFAULT_MIGRATE_X_CHECKPOINT_DELAY,
- };
ms->parameters.tls_creds = g_strdup("");
ms->parameters.tls_hostname = g_strdup("");
}
--
2.9.4
- [Qemu-devel] [PULL 00/16] Migration, Juan Quintela, 2017/07/18
- [Qemu-devel] [PULL 02/16] migration: Close file on failed migration load, Juan Quintela, 2017/07/18
- [Qemu-devel] [PULL 01/16] migration/rdma: Fix race on source, Juan Quintela, 2017/07/18
- [Qemu-devel] [PULL 03/16] migration/rdma: fix qemu_rdma_block_for_wrid error paths, Juan Quintela, 2017/07/18
- [Qemu-devel] [PULL 04/16] migration/rdma: Allow cancelling while waiting for wrid, Juan Quintela, 2017/07/18
- [Qemu-devel] [PULL 05/16] migration/rdma: Safely convert control types, Juan Quintela, 2017/07/18
- [Qemu-devel] [PULL 06/16] migration/rdma: Send error during cancelling, Juan Quintela, 2017/07/18
- [Qemu-devel] [PULL 07/16] qdev: provide DEFINE_PROP_INT64(), Juan Quintela, 2017/07/18
- [Qemu-devel] [PULL 09/16] migration: export capabilities to props, Juan Quintela, 2017/07/18
- [Qemu-devel] [PULL 08/16] migration: export parameters to props,
Juan Quintela <=
- [Qemu-devel] [PULL 10/16] migration: introduce migrate_params_check(), Juan Quintela, 2017/07/18
- [Qemu-devel] [PULL 11/16] migration: provide migrate_params_apply(), Juan Quintela, 2017/07/18
- [Qemu-devel] [PULL 13/16] migration: remove check against colo support, Juan Quintela, 2017/07/18
- [Qemu-devel] [PULL 12/16] migration: check global params for validity, Juan Quintela, 2017/07/18
- [Qemu-devel] [PULL 14/16] migration: provide migrate_caps_check(), Juan Quintela, 2017/07/18
- [Qemu-devel] [PULL 15/16] migration: provide migrate_cap_add(), Juan Quintela, 2017/07/18
- [Qemu-devel] [PULL 16/16] migration: check global caps for validity, Juan Quintela, 2017/07/18
- Re: [Qemu-devel] [PULL 00/16] Migration, no-reply, 2017/07/18