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migration: Make multifd_bytes atomic

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In the spirit of:

commit 394d323bc3451e4d07f13341cb8817fac8dfbadd
Author: Peter Xu <peterx@redhat.com>
Date:   Tue Oct 11 17:55:51 2022 -0400

    migration: Use atomic ops properly for page accountings

Reviewed-by: David Edmondson <david.edmondson@oracle.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Juan Quintela 2022-11-23 20:36:56 +01:00
parent 30fb22cda4
commit cf671116fa
3 changed files with 5 additions and 5 deletions
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4
migration/migration.c
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@ -1153,7 +1153,7 @@ static void populate_ram_info(MigrationInfo *info, MigrationState *s)
ram_counters.dirty_sync_missed_zero_copy;
info->ram->postcopy_requests = ram_counters.postcopy_requests;
info->ram->page_size = page_size;
info->ram->multifd_bytes = ram_counters.multifd_bytes;
info->ram->multifd_bytes = stat64_get(&ram_counters.multifd_bytes);
info->ram->pages_per_second = s->pages_per_second;
info->ram->precopy_bytes = ram_counters.precopy_bytes;
info->ram->downtime_bytes = ram_counters.downtime_bytes;
@ -3778,7 +3778,7 @@ static MigThrError migration_detect_error(MigrationState *s)
static uint64_t migration_total_bytes(MigrationState *s)
{
return qemu_file_total_transferred(s->to_dst_file) +
ram_counters.multifd_bytes;
stat64_get(&ram_counters.multifd_bytes);
}
static void migration_calculate_complete(MigrationState *s)