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migration: Make precopy_bytes atomic

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Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
This commit is contained in:
Juan Quintela 2023-04-11 17:36:48 +02:00
parent 4291823694
commit b013b5d1f3
3 changed files with 3 additions and 3 deletions
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2
migration/migration.c
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@ -1155,7 +1155,7 @@ static void populate_ram_info(MigrationInfo *info, MigrationState *s)
info->ram->page_size = page_size; info->ram->page_size = page_size;
info->ram->multifd_bytes = stat64_get(&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->pages_per_second = s->pages_per_second;
info->ram->precopy_bytes = ram_counters.precopy_bytes; info->ram->precopy_bytes = stat64_get(&ram_counters.precopy_bytes);
info->ram->downtime_bytes = ram_counters.downtime_bytes; info->ram->downtime_bytes = ram_counters.downtime_bytes;
info->ram->postcopy_bytes = stat64_get(&ram_counters.postcopy_bytes); info->ram->postcopy_bytes = stat64_get(&ram_counters.postcopy_bytes);

2
migration/ram.c
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@ -463,7 +463,7 @@ RAMStats ram_counters;
void ram_transferred_add(uint64_t bytes) void ram_transferred_add(uint64_t bytes)
{ {
if (runstate_is_running()) { if (runstate_is_running()) {
ram_counters.precopy_bytes += bytes; stat64_add(&ram_counters.precopy_bytes, bytes);
} else if (migration_in_postcopy()) { } else if (migration_in_postcopy()) {
stat64_add(&ram_counters.postcopy_bytes, bytes); stat64_add(&ram_counters.postcopy_bytes, bytes);
} else { } else {

2
migration/ram.h
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@ -50,7 +50,7 @@ typedef struct {
Stat64 normal; Stat64 normal;
Stat64 postcopy_bytes; Stat64 postcopy_bytes;
int64_t postcopy_requests; int64_t postcopy_requests;
uint64_t precopy_bytes; Stat64 precopy_bytes;
int64_t remaining; int64_t remaining;
Stat64 transferred; Stat64 transferred;
} RAMStats; } RAMStats;