diff options
| -rw-r--r-- | migration/dirtyrate.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/migration/dirtyrate.h b/migration/dirtyrate.h index 84ab9409ac..8707df852d 100644 --- a/migration/dirtyrate.h +++ b/migration/dirtyrate.h @@ -19,10 +19,28 @@ */ #define DIRTYRATE_DEFAULT_SAMPLE_PAGES 512 +/* + * Record ramblock idstr + */ +#define RAMBLOCK_INFO_MAX_LEN 256 + struct DirtyRateConfig { uint64_t sample_pages_per_gigabytes; /* sample pages per GB */ int64_t sample_period_seconds; /* time duration between two sampling */ }; +/* + * Store dirtypage info for each ramblock. + */ +struct RamblockDirtyInfo { + char idstr[RAMBLOCK_INFO_MAX_LEN]; /* idstr for each ramblock */ + uint8_t *ramblock_addr; /* base address of ramblock we measure */ + uint64_t ramblock_pages; /* ramblock size in TARGET_PAGE_SIZE */ + uint64_t *sample_page_vfn; /* relative offset address for sampled page */ + uint64_t sample_pages_count; /* count of sampled pages */ + uint64_t sample_dirty_count; /* count of dirty pages we measure */ + uint32_t *hash_result; /* array of hash result for sampled pages */ +}; + void *get_dirtyrate_thread(void *arg); #endif |