* Mao Zhongyi (maozhon...@cmss.chinamobile.com) wrote:
> Signed-off-by: Mao Zhongyi <maozhon...@cmss.chinamobile.com>
> ---
> migration/ram.c | 9 +++++----
> 1 file changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/migration/ram.c b/migration/ram.c
> index 41cc530d9d..ca20030b64 100644
> --- a/migration/ram.c
> +++ b/migration/ram.c
> @@ -910,14 +910,15 @@ static void migration_update_rates(RAMState *rs,
> int64_t end_time)
> xbzrle_counters.cache_miss_rate =
> (double)(xbzrle_counters.cache_miss -
> rs->xbzrle_cache_miss_prev) / page_count;
> rs->xbzrle_cache_miss_prev = xbzrle_counters.cache_miss;
> - unencoded_size = (xbzrle_counters.pages - rs->xbzrle_pages_prev) *
> - TARGET_PAGE_SIZE;
> - encoded_size = xbzrle_counters.bytes - rs->xbzrle_bytes_prev;
> if (xbzrle_counters.pages == rs->xbzrle_pages_prev) {
> xbzrle_counters.encoding_rate = 0;
> - } else if (!encoded_size) {
> + } else if (xbzrle_counters.bytes == rs->xbzrle_bytes_prev) {
No, I don't think this change is worth it - this is really just the same
as 'encoded_size', and then we may as well keep the two together.
Dave
> xbzrle_counters.encoding_rate = UINT64_MAX;
> } else {
> + unencoded_size = (xbzrle_counters.pages - rs->xbzrle_pages_prev)
> *
> + TARGET_PAGE_SIZE;
> + encoded_size = xbzrle_counters.bytes - rs->xbzrle_bytes_prev;
> +
> xbzrle_counters.encoding_rate = unencoded_size / encoded_size;
> }
> rs->xbzrle_pages_prev = xbzrle_counters.pages;
> --
> 2.17.1
>
>
>
>
--
Dr. David Alan Gilbert / dgilb...@redhat.com / Manchester, UK
