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migration: Create migrate_throttle_trigger_threshold()

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Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
This commit is contained in:
Juan Quintela 2023-03-02 00:59:13 +01:00
parent 6f8be7080a
commit 6499efdb16
3 changed files with 11 additions and 2 deletions
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9
migration/options.c
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@ -554,6 +554,15 @@ int migrate_multifd_zstd_level(void)
return s->parameters.multifd_zstd_level;
}
uint8_t migrate_throttle_trigger_threshold(void)
{
MigrationState *s;
s = migrate_get_current();
return s->parameters.throttle_trigger_threshold;
}
uint64_t migrate_xbzrle_cache_size(void)
{
MigrationState *s;

1
migration/options.h
View file

@ -55,6 +55,7 @@ int migrate_multifd_channels(void);
MultiFDCompression migrate_multifd_compression(void);
int migrate_multifd_zlib_level(void);
int migrate_multifd_zstd_level(void);
uint8_t migrate_throttle_trigger_threshold(void);
uint64_t migrate_xbzrle_cache_size(void);
#endif

3
migration/ram.c
View file

@ -1178,8 +1178,7 @@ static void migration_update_rates(RAMState *rs, int64_t end_time)
static void migration_trigger_throttle(RAMState *rs)
{
MigrationState *s = migrate_get_current();
uint64_t threshold = s->parameters.throttle_trigger_threshold;
uint64_t threshold = migrate_throttle_trigger_threshold();
uint64_t bytes_xfer_period =
stat64_get(&ram_counters.transferred) - rs->bytes_xfer_prev;
uint64_t bytes_dirty_period = rs->num_dirty_pages_period * TARGET_PAGE_SIZE;