diff options
Diffstat (limited to 'storage/xtradb/include/buf0buf.h')
| -rw-r--r-- | storage/xtradb/include/buf0buf.h | 53 |
1 files changed, 46 insertions, 7 deletions
diff --git a/storage/xtradb/include/buf0buf.h b/storage/xtradb/include/buf0buf.h index d48c7f0212f..e0d7a974fc3 100644 --- a/storage/xtradb/include/buf0buf.h +++ b/storage/xtradb/include/buf0buf.h @@ -199,6 +199,15 @@ struct buf_pool_info_struct{ typedef struct buf_pool_info_struct buf_pool_info_t; +/** The occupied bytes of lists in all buffer pools */ +struct buf_pools_list_size_struct { + ulint LRU_bytes; /*!< LRU size in bytes */ + ulint unzip_LRU_bytes; /*!< unzip_LRU size in bytes */ + ulint flush_list_bytes; /*!< flush_list size in bytes */ +}; + +typedef struct buf_pools_list_size_struct buf_pools_list_size_t; + #ifndef UNIV_HOTBACKUP /********************************************************************//** Acquire mutex on all buffer pool instances */ @@ -958,7 +967,7 @@ buf_block_set_file_page( ulint space, /*!< in: tablespace id */ ulint page_no);/*!< in: page number */ /*********************************************************************//** -Gets the io_fix state of a block. +Gets the io_fix state of a block. Requires that the block mutex is held. @return io_fix state */ UNIV_INLINE enum buf_io_fix @@ -967,7 +976,17 @@ buf_page_get_io_fix( const buf_page_t* bpage) /*!< in: pointer to the control block */ __attribute__((pure)); /*********************************************************************//** -Gets the io_fix state of a block. +Gets the io_fix state of a block. Does not assert that the block mutex is +held, to be used in the cases where it is safe not to hold it. +@return io_fix state */ +UNIV_INLINE +enum buf_io_fix +buf_page_get_io_fix_unlocked( +/*=========================*/ + const buf_page_t* bpage) /*!< in: pointer to the control block */ + __attribute__((pure)); +/*********************************************************************//** +Gets the io_fix state of a block. Requires that the block mutex is held. @return io_fix state */ UNIV_INLINE enum buf_io_fix @@ -976,6 +995,16 @@ buf_block_get_io_fix( const buf_block_t* block) /*!< in: pointer to the control block */ __attribute__((pure)); /*********************************************************************//** +Gets the io_fix state of a block. Does not assert that the block mutex is +held, to be used in the cases where it is safe not to hold it. +@return io_fix state */ +UNIV_INLINE +enum buf_io_fix +buf_block_get_io_fix_unlocked( +/*==========================*/ + const buf_block_t* block) /*!< in: pointer to the control block */ + __attribute__((pure)); +/*********************************************************************//** Sets the io_fix state of a block. */ UNIV_INLINE void @@ -1054,8 +1083,7 @@ UNIV_INLINE void buf_page_set_accessed( /*==================*/ - buf_page_t* bpage, /*!< in/out: control block */ - ulint time_ms) /*!< in: ut_time_ms() */ + buf_page_t* bpage) /*!< in/out: control block */ __attribute__((nonnull)); /*********************************************************************//** Gets the buf_block_t handle of a buffered file block if an uncompressed @@ -1374,6 +1402,14 @@ buf_get_total_list_len( ulint* free_len, /*!< out: length of all free lists */ ulint* flush_list_len);/*!< out: length of all flush lists */ /********************************************************************//** +Get total list size in bytes from all buffer pools. */ +UNIV_INTERN +void +buf_get_total_list_size_in_bytes( +/*=============================*/ + buf_pools_list_size_t* buf_pools_list_size); /*!< out: list sizes + in all buffer pools */ +/********************************************************************//** Get total buffer pool statistics. */ UNIV_INTERN void @@ -1548,10 +1584,11 @@ struct buf_page_struct{ to read this for heuristic purposes without holding any mutex or latch */ - unsigned access_time:32; /*!< time of first access, or - 0 if the block was never accessed - in the buffer pool */ /* @} */ + unsigned access_time; /*!< time of first access, or + 0 if the block was never accessed + in the buffer pool. Protected by + block mutex */ ibool space_was_being_deleted; ibool is_corrupt; # if defined UNIV_DEBUG_FILE_ACCESSES || defined UNIV_DEBUG @@ -1741,6 +1778,8 @@ struct buf_pool_stat_struct{ young because the first access was not long enough ago, in buf_page_peek_if_too_old() */ + ulint LRU_bytes; /*!< LRU size in bytes */ + ulint flush_list_bytes;/*!< flush_list size in bytes */ }; /** Statistics of buddy blocks of a given size. */ |