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authorJuan Quintela <quintela@redhat.com>2017-03-13 21:07:03 +0100
committerJuan Quintela <quintela@redhat.com>2017-04-21 12:25:37 +0200
commit180f61f75af4963e08e2204b207c74e4144ba150 (patch)
tree6bda6f856b074130bafe288799892d72aa7b74bc /migration/ram.c
parentb07016b674cb3e5393cb6365dd5628b57f7c03e6 (diff)
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ram: Move xbzrle_overflows into RAMState
Once there, remove the now unused AccountingInfo struct and var. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
Diffstat (limited to 'migration/ram.c')
-rw-r--r--migration/ram.c21
1 files changed, 5 insertions, 16 deletions
diff --git a/migration/ram.c b/migration/ram.c
index 09f9eff..88392e4 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -181,23 +181,13 @@ struct RAMState {
uint64_t xbzrle_cache_miss;
/* xbzrle miss rate */
double xbzrle_cache_miss_rate;
+ /* xbzrle number of overflows */
+ uint64_t xbzrle_overflows;
};
typedef struct RAMState RAMState;
static RAMState ram_state;
-/* accounting for migration statistics */
-typedef struct AccountingInfo {
- uint64_t xbzrle_overflows;
-} AccountingInfo;
-
-static AccountingInfo acct_info;
-
-static void acct_clear(void)
-{
- memset(&acct_info, 0, sizeof(acct_info));
-}
-
uint64_t dup_mig_pages_transferred(void)
{
return ram_state.zero_pages;
@@ -230,7 +220,7 @@ double xbzrle_mig_cache_miss_rate(void)
uint64_t xbzrle_mig_pages_overflow(void)
{
- return acct_info.xbzrle_overflows;
+ return ram_state.xbzrle_overflows;
}
static QemuMutex migration_bitmap_mutex;
@@ -528,7 +518,7 @@ static int save_xbzrle_page(RAMState *rs, QEMUFile *f, uint8_t **current_data,
return 0;
} else if (encoded_len == -1) {
trace_save_xbzrle_page_overflow();
- acct_info.xbzrle_overflows++;
+ rs->xbzrle_overflows++;
/* update data in the cache */
if (!last_stage) {
memcpy(prev_cached_page, *current_data, TARGET_PAGE_SIZE);
@@ -2005,6 +1995,7 @@ static int ram_save_init_globals(RAMState *rs)
rs->xbzrle_pages = 0;
rs->xbzrle_cache_miss = 0;
rs->xbzrle_cache_miss_rate = 0;
+ rs->xbzrle_overflows = 0;
migration_bitmap_sync_init(rs);
qemu_mutex_init(&migration_bitmap_mutex);
@@ -2035,8 +2026,6 @@ static int ram_save_init_globals(RAMState *rs)
XBZRLE.encoded_buf = NULL;
return -1;
}
-
- acct_clear();
}
/* For memory_global_dirty_log_start below. */