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ram: Move iterations into RAMState

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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 2017-03-13 20:51:34 +01:00
parent 29cc3d8a9b
commit 23b28c3c62
1 changed files with 7 additions and 5 deletions
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12
migration/ram.c
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@ -170,6 +170,8 @@ struct RAMState {
uint64_t zero_pages; uint64_t zero_pages;
/* number of normal transferred pages */ /* number of normal transferred pages */
uint64_t norm_pages; uint64_t norm_pages;
/* Iterations since start */
uint64_t iterations;
}; };
typedef struct RAMState RAMState; typedef struct RAMState RAMState;
@ -177,7 +179,6 @@ static RAMState ram_state;
/* accounting for migration statistics */ /* accounting for migration statistics */
typedef struct AccountingInfo { typedef struct AccountingInfo {
uint64_t iterations;
uint64_t xbzrle_bytes; uint64_t xbzrle_bytes;
uint64_t xbzrle_pages; uint64_t xbzrle_pages;
uint64_t xbzrle_cache_miss; uint64_t xbzrle_cache_miss;
@ -693,13 +694,13 @@ static void migration_bitmap_sync(RAMState *rs)
} }
if (migrate_use_xbzrle()) { if (migrate_use_xbzrle()) {
if (rs->iterations_prev != acct_info.iterations) { if (rs->iterations_prev != rs->iterations) {
acct_info.xbzrle_cache_miss_rate = acct_info.xbzrle_cache_miss_rate =
(double)(acct_info.xbzrle_cache_miss - (double)(acct_info.xbzrle_cache_miss -
rs->xbzrle_cache_miss_prev) / rs->xbzrle_cache_miss_prev) /
(acct_info.iterations - rs->iterations_prev); (rs->iterations - rs->iterations_prev);
} }
rs->iterations_prev = acct_info.iterations; rs->iterations_prev = rs->iterations;
rs->xbzrle_cache_miss_prev = acct_info.xbzrle_cache_miss; rs->xbzrle_cache_miss_prev = acct_info.xbzrle_cache_miss;
} }
s->dirty_pages_rate = rs->num_dirty_pages_period * 1000 s->dirty_pages_rate = rs->num_dirty_pages_period * 1000
@ -1994,6 +1995,7 @@ static int ram_save_init_globals(RAMState *rs)
rs->bitmap_sync_count = 0; rs->bitmap_sync_count = 0;
rs->zero_pages = 0; rs->zero_pages = 0;
rs->norm_pages = 0; rs->norm_pages = 0;
rs->iterations = 0;
migration_bitmap_sync_init(rs); migration_bitmap_sync_init(rs);
qemu_mutex_init(&migration_bitmap_mutex); qemu_mutex_init(&migration_bitmap_mutex);
@ -2151,7 +2153,7 @@ static int ram_save_iterate(QEMUFile *f, void *opaque)
done = 1; done = 1;
break; break;
} }
acct_info.iterations++; rs->iterations++;
/* we want to check in the 1st loop, just in case it was the 1st time /* we want to check in the 1st loop, just in case it was the 1st time
and we had to sync the dirty bitmap. and we had to sync the dirty bitmap.