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authorJuan Quintela <quintela@redhat.com>2023-03-02 12:55:57 +0100
committerJuan Quintela <quintela@redhat.com>2023-04-27 16:37:28 +0200
commitf9436522c8dd35a51f6d796501de7fd4d4928481 (patch)
treeb4a4fca92f919342f1859f5608576239c7aa72cc /migration/options.c
parentb804b35b1c8a0edfd127ac20819c234be55ac7fc (diff)
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migration: Move migration_properties to options.c
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Diffstat (limited to 'migration/options.c')
-rw-r--r--migration/options.c155
1 files changed, 155 insertions, 0 deletions
diff --git a/migration/options.c b/migration/options.c
index 1840a3b..f2a77cd 100644
--- a/migration/options.c
+++ b/migration/options.c
@@ -31,6 +31,161 @@
#define MAX_MIGRATE_DOWNTIME_SECONDS 2000
#define MAX_MIGRATE_DOWNTIME (MAX_MIGRATE_DOWNTIME_SECONDS * 1000)
+#define MAX_THROTTLE (128 << 20) /* Migration transfer speed throttling */
+
+/* Time in milliseconds we are allowed to stop the source,
+ * for sending the last part */
+#define DEFAULT_MIGRATE_SET_DOWNTIME 300
+
+/* Default compression thread count */
+#define DEFAULT_MIGRATE_COMPRESS_THREAD_COUNT 8
+/* Default decompression thread count, usually decompression is at
+ * least 4 times as fast as compression.*/
+#define DEFAULT_MIGRATE_DECOMPRESS_THREAD_COUNT 2
+/*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
+
+/* Migration XBZRLE default cache size */
+#define DEFAULT_MIGRATE_XBZRLE_CACHE_SIZE (64 * 1024 * 1024)
+
+/* The delay time (in ms) between two COLO checkpoints */
+#define DEFAULT_MIGRATE_X_CHECKPOINT_DELAY (200 * 100)
+#define DEFAULT_MIGRATE_MULTIFD_CHANNELS 2
+#define DEFAULT_MIGRATE_MULTIFD_COMPRESSION MULTIFD_COMPRESSION_NONE
+/* 0: means nocompress, 1: best speed, ... 9: best compress ratio */
+#define DEFAULT_MIGRATE_MULTIFD_ZLIB_LEVEL 1
+/* 0: means nocompress, 1: best speed, ... 20: best compress ratio */
+#define DEFAULT_MIGRATE_MULTIFD_ZSTD_LEVEL 1
+
+/* Background transfer rate for postcopy, 0 means unlimited, note
+ * that page requests can still exceed this limit.
+ */
+#define DEFAULT_MIGRATE_MAX_POSTCOPY_BANDWIDTH 0
+
+/*
+ * Parameters for self_announce_delay giving a stream of RARP/ARP
+ * packets after migration.
+ */
+#define DEFAULT_MIGRATE_ANNOUNCE_INITIAL 50
+#define DEFAULT_MIGRATE_ANNOUNCE_MAX 550
+#define DEFAULT_MIGRATE_ANNOUNCE_ROUNDS 5
+#define DEFAULT_MIGRATE_ANNOUNCE_STEP 100
+
+#define DEFINE_PROP_MIG_CAP(name, x) \
+ DEFINE_PROP_BOOL(name, MigrationState, capabilities[x], false)
+
+Property migration_properties[] = {
+ DEFINE_PROP_BOOL("store-global-state", MigrationState,
+ store_global_state, true),
+ DEFINE_PROP_BOOL("send-configuration", MigrationState,
+ send_configuration, true),
+ DEFINE_PROP_BOOL("send-section-footer", MigrationState,
+ send_section_footer, true),
+ DEFINE_PROP_BOOL("decompress-error-check", MigrationState,
+ decompress_error_check, true),
+ DEFINE_PROP_UINT8("x-clear-bitmap-shift", MigrationState,
+ clear_bitmap_shift, CLEAR_BITMAP_SHIFT_DEFAULT),
+ DEFINE_PROP_BOOL("x-preempt-pre-7-2", MigrationState,
+ preempt_pre_7_2, false),
+
+ /* Migration parameters */
+ DEFINE_PROP_UINT8("x-compress-level", MigrationState,
+ parameters.compress_level,
+ DEFAULT_MIGRATE_COMPRESS_LEVEL),
+ DEFINE_PROP_UINT8("x-compress-threads", MigrationState,
+ parameters.compress_threads,
+ DEFAULT_MIGRATE_COMPRESS_THREAD_COUNT),
+ DEFINE_PROP_BOOL("x-compress-wait-thread", MigrationState,
+ parameters.compress_wait_thread, true),
+ 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),
+ DEFINE_PROP_UINT8("x-cpu-throttle-increment", MigrationState,
+ parameters.cpu_throttle_increment,
+ DEFAULT_MIGRATE_CPU_THROTTLE_INCREMENT),
+ DEFINE_PROP_BOOL("x-cpu-throttle-tailslow", MigrationState,
+ parameters.cpu_throttle_tailslow, false),
+ DEFINE_PROP_SIZE("x-max-bandwidth", MigrationState,
+ parameters.max_bandwidth, MAX_THROTTLE),
+ DEFINE_PROP_UINT64("x-downtime-limit", MigrationState,
+ parameters.downtime_limit,
+ DEFAULT_MIGRATE_SET_DOWNTIME),
+ DEFINE_PROP_UINT32("x-checkpoint-delay", MigrationState,
+ parameters.x_checkpoint_delay,
+ DEFAULT_MIGRATE_X_CHECKPOINT_DELAY),
+ DEFINE_PROP_UINT8("multifd-channels", MigrationState,
+ parameters.multifd_channels,
+ DEFAULT_MIGRATE_MULTIFD_CHANNELS),
+ DEFINE_PROP_MULTIFD_COMPRESSION("multifd-compression", MigrationState,
+ parameters.multifd_compression,
+ DEFAULT_MIGRATE_MULTIFD_COMPRESSION),
+ DEFINE_PROP_UINT8("multifd-zlib-level", MigrationState,
+ parameters.multifd_zlib_level,
+ DEFAULT_MIGRATE_MULTIFD_ZLIB_LEVEL),
+ DEFINE_PROP_UINT8("multifd-zstd-level", MigrationState,
+ parameters.multifd_zstd_level,
+ DEFAULT_MIGRATE_MULTIFD_ZSTD_LEVEL),
+ DEFINE_PROP_SIZE("xbzrle-cache-size", MigrationState,
+ parameters.xbzrle_cache_size,
+ DEFAULT_MIGRATE_XBZRLE_CACHE_SIZE),
+ DEFINE_PROP_SIZE("max-postcopy-bandwidth", MigrationState,
+ parameters.max_postcopy_bandwidth,
+ DEFAULT_MIGRATE_MAX_POSTCOPY_BANDWIDTH),
+ DEFINE_PROP_UINT8("max-cpu-throttle", MigrationState,
+ parameters.max_cpu_throttle,
+ DEFAULT_MIGRATE_MAX_CPU_THROTTLE),
+ DEFINE_PROP_SIZE("announce-initial", MigrationState,
+ parameters.announce_initial,
+ DEFAULT_MIGRATE_ANNOUNCE_INITIAL),
+ DEFINE_PROP_SIZE("announce-max", MigrationState,
+ parameters.announce_max,
+ DEFAULT_MIGRATE_ANNOUNCE_MAX),
+ DEFINE_PROP_SIZE("announce-rounds", MigrationState,
+ parameters.announce_rounds,
+ DEFAULT_MIGRATE_ANNOUNCE_ROUNDS),
+ DEFINE_PROP_SIZE("announce-step", MigrationState,
+ parameters.announce_step,
+ DEFAULT_MIGRATE_ANNOUNCE_STEP),
+ DEFINE_PROP_STRING("tls-creds", MigrationState, parameters.tls_creds),
+ DEFINE_PROP_STRING("tls-hostname", MigrationState, parameters.tls_hostname),
+ DEFINE_PROP_STRING("tls-authz", MigrationState, parameters.tls_authz),
+
+ /* Migration capabilities */
+ DEFINE_PROP_MIG_CAP("x-xbzrle", MIGRATION_CAPABILITY_XBZRLE),
+ DEFINE_PROP_MIG_CAP("x-rdma-pin-all", MIGRATION_CAPABILITY_RDMA_PIN_ALL),
+ DEFINE_PROP_MIG_CAP("x-auto-converge", MIGRATION_CAPABILITY_AUTO_CONVERGE),
+ DEFINE_PROP_MIG_CAP("x-zero-blocks", MIGRATION_CAPABILITY_ZERO_BLOCKS),
+ DEFINE_PROP_MIG_CAP("x-compress", MIGRATION_CAPABILITY_COMPRESS),
+ DEFINE_PROP_MIG_CAP("x-events", MIGRATION_CAPABILITY_EVENTS),
+ DEFINE_PROP_MIG_CAP("x-postcopy-ram", MIGRATION_CAPABILITY_POSTCOPY_RAM),
+ DEFINE_PROP_MIG_CAP("x-postcopy-preempt",
+ MIGRATION_CAPABILITY_POSTCOPY_PREEMPT),
+ DEFINE_PROP_MIG_CAP("x-colo", MIGRATION_CAPABILITY_X_COLO),
+ DEFINE_PROP_MIG_CAP("x-release-ram", MIGRATION_CAPABILITY_RELEASE_RAM),
+ DEFINE_PROP_MIG_CAP("x-block", MIGRATION_CAPABILITY_BLOCK),
+ DEFINE_PROP_MIG_CAP("x-return-path", MIGRATION_CAPABILITY_RETURN_PATH),
+ DEFINE_PROP_MIG_CAP("x-multifd", MIGRATION_CAPABILITY_MULTIFD),
+ DEFINE_PROP_MIG_CAP("x-background-snapshot",
+ MIGRATION_CAPABILITY_BACKGROUND_SNAPSHOT),
+#ifdef CONFIG_LINUX
+ DEFINE_PROP_MIG_CAP("x-zero-copy-send",
+ MIGRATION_CAPABILITY_ZERO_COPY_SEND),
+#endif
+
+ DEFINE_PROP_END_OF_LIST(),
+};
+
bool migrate_auto_converge(void)
{
MigrationState *s = migrate_get_current();