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migration: cleanup stats update into function

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We have quite a few lines in migration_thread() that calculates some
statistics for the migration interations.  Isolate it into a single
function to improve readability.

Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Peter Xu 2018-01-03 20:20:13 +08:00 • committed by Juan Quintela
parent 39b9e17905
commit b15df1ae50
2 changed files with 60 additions and 35 deletions
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11
migration/migration.h
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@ -102,6 +102,17 @@ struct MigrationState
QEMUBH *cleanup_bh;
QEMUFile *to_dst_file;
/* bytes already send at the beggining of current interation */
uint64_t iteration_initial_bytes;
/* time at the start of current iteration */
int64_t iteration_start_time;
/*
* The final stage happens when the remaining data is smaller than
* this threshold; it's calculated from the requested downtime and
* measured bandwidth
*/
int64_t threshold_size;
/* params from 'migrate-set-parameters' */
MigrationParameters parameters;