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authorXiao Guangrong <xiaoguangrong@tencent.com>2019-01-11 14:37:30 +0800
committerDr. David Alan Gilbert <dgilbert@redhat.com>2019-01-23 15:51:47 +0000
commitaecbfe9c64a6005f57b2132eb29db2ba7c0993fe (patch)
tree5c1b0e10566754158d5ab04af72ea4bb7adfa5c0 /migration/ram.c
parentde22ded044db6b78ef8c04b8045c63683751613f (diff)
migration: introduce pages-per-second
It introduces a new statistic, pages-per-second, as bandwidth or mbps is not enough to measure the performance of posting pages out as we have compression, xbzrle, which can significantly reduce the amount of the data size, instead, pages-per-second is the one we want Signed-off-by: Xiao Guangrong <xiaoguangrong@tencent.com> Message-Id: <20190111063732.10484-2-xiaoguangrong@tencent.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> With typo's Eric spotted fixed
Diffstat (limited to 'migration/ram.c')
-rw-r--r--migration/ram.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/migration/ram.c b/migration/ram.c
index 43c2b442af..59191c1ed2 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -1601,6 +1601,12 @@ uint64_t ram_pagesize_summary(void)
return summary;
}
+uint64_t ram_get_total_transferred_pages(void)
+{
+ return ram_counters.normal + ram_counters.duplicate +
+ compression_counters.pages + xbzrle_counters.pages;
+}
+
static void migration_update_rates(RAMState *rs, int64_t end_time)
{
uint64_t page_count = rs->target_page_count - rs->target_page_count_prev;