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migration/dirtyrate: Add dirtyrate statistics series functions

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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>
This commit is contained in:
Chuan Zheng 2020-09-16 14:21:59 +08:00 • committed by Dr. David Alan Gilbert
parent a2635f0a75
commit c9a58d719b
2 changed files with 44 additions and 0 deletions
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12
migration/dirtyrate.h
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@ -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