diff options
author | Juan Quintela <quintela@redhat.com> | 2017-03-13 21:07:03 +0100 |
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committer | Juan Quintela <quintela@redhat.com> | 2017-04-21 12:25:37 +0200 |
commit | 180f61f75af4963e08e2204b207c74e4144ba150 (patch) | |
tree | 6bda6f856b074130bafe288799892d72aa7b74bc | |
parent | b07016b674cb3e5393cb6365dd5628b57f7c03e6 (diff) |
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>
-rw-r--r-- | migration/ram.c | 21 |
1 files changed, 5 insertions, 16 deletions
diff --git a/migration/ram.c b/migration/ram.c index 09f9effe91..88392e4c71 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. */ |