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authorChuan Zheng <zhengchuan@huawei.com>2020-09-16 14:21:59 +0800
committerDr. David Alan Gilbert <dgilbert@redhat.com>2020-09-25 12:45:57 +0100
commitc9a58d719ba7b059d53d1b84ff3458be68cce5c8 (patch)
tree5875f195e19aed0e33477b2fc6530ce8de55c4af /migration/dirtyrate.h
parenta2635f0a7508c3291c6bd2d88ea31b6ae7dfa341 (diff)
migration/dirtyrate: Add dirtyrate statistics series functions
Add dirtyrate statistics functions to record/update dirtyrate info. Signed-off-by: Chuan Zheng <zhengchuan@huawei.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Li Qiang <liq3ea@gmail.com> Message-Id: <1600237327-33618-5-git-send-email-zhengchuan@huawei.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Diffstat (limited to 'migration/dirtyrate.h')
-rw-r--r--migration/dirtyrate.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/migration/dirtyrate.h b/migration/dirtyrate.h
index 8707df852d..312debca6f 100644
--- a/migration/dirtyrate.h
+++ b/migration/dirtyrate.h
@@ -42,5 +42,17 @@ struct RamblockDirtyInfo {
uint32_t *hash_result; /* array of hash result for sampled pages */
};
+/*
+ * Store calculation statistics for each measure.
+ */
+struct DirtyRateStat {
+ uint64_t total_dirty_samples; /* total dirty sampled page */
+ uint64_t total_sample_count; /* total sampled pages */
+ uint64_t total_block_mem_MB; /* size of total sampled pages in MB */
+ int64_t dirty_rate; /* dirty rate in MB/s */
+ int64_t start_time; /* calculation start time in units of second */
+ int64_t calc_time; /* time duration of two sampling in units of second */
+};
+
void *get_dirtyrate_thread(void *arg);
#endif