diff options
Diffstat (limited to 'innobase/include/srv0srv.h')
| -rw-r--r-- | innobase/include/srv0srv.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/innobase/include/srv0srv.h b/innobase/include/srv0srv.h index 6cfe9cef927..b9963d93265 100644 --- a/innobase/include/srv0srv.h +++ b/innobase/include/srv0srv.h @@ -184,6 +184,63 @@ i/o handler thread */ extern const char* srv_io_thread_op_info[]; extern const char* srv_io_thread_function[]; +/* the number of the log write requests done */ +extern ulint srv_log_write_requests; + +/* the number of physical writes to the log performed */ +extern ulint srv_log_writes; + +/* amount of data written to the log files in bytes */ +extern ulint srv_os_log_written; + +/* amount of writes being done to the log files */ +extern ulint srv_os_log_pending_writes; + +/* we increase this counter, when there we don't have enough space in the +log buffer and have to flush it */ +extern ulint srv_log_waits; + +/* variable that counts amount of data read in total (in bytes) */ +extern ulint srv_data_read; + +/* here we count the amount of data written in total (in bytes) */ +extern ulint srv_data_written; + +/* this variable counts the amount of times, when the doublewrite buffer +was flushed */ +extern ulint srv_dblwr_writes; + +/* here we store the number of pages that have been flushed to the +doublewrite buffer */ +extern ulint srv_dblwr_pages_written; + +/* in this variable we store the number of write requests issued */ +extern ulint srv_buf_pool_write_requests; + +/* here we store the number of times when we had to wait for a free page +in the buffer pool. It happens when the buffer pool is full and we need +to make a flush, in order to be able to read or create a page. */ +extern ulint srv_buf_pool_wait_free; + +/* variable to count the number of pages that were written from the +buffer pool to disk */ +extern ulint srv_buf_pool_flushed; + +/* variable to count the number of buffer pool reads that led to the +reading of a disk page */ +extern ulint srv_buf_pool_reads; + +/* variable to count the number of sequential read-aheads were done */ +extern ulint srv_read_ahead_seq; + +/* variable to count the number of random read-aheads were done */ +extern ulint srv_read_ahead_rnd; + +/* In this structure we store status variables to be passed to MySQL */ +typedef struct export_var_struct export_struc; + +extern export_struc export_vars; + typedef struct srv_sys_struct srv_sys_t; /* The server system */ @@ -400,7 +457,12 @@ void srv_printf_innodb_monitor( /*======================*/ FILE* file); /* in: output stream */ +/************************************************************************ +Function to pass InnoDB status variables to MySQL */ +void +srv_export_innodb_status(void); +/*=====================*/ /* Types for the threads existing in the system. Threads of types 4 - 9 are called utility threads. Note that utility threads are mainly disk @@ -426,6 +488,48 @@ typedef struct srv_slot_struct srv_slot_t; /* Thread table is an array of slots */ typedef srv_slot_t srv_table_t; +/* In this structure we store status variables to be passed to MySQL */ +struct export_var_struct{ + ulint innodb_data_pending_reads; + ulint innodb_data_pending_writes; + ulint innodb_data_pending_fsyncs; + ulint innodb_data_fsyncs; + ulint innodb_data_read; + ulint innodb_data_writes; + ulint innodb_data_written; + ulint innodb_data_reads; + ulint innodb_buffer_pool_pages_total; + ulint innodb_buffer_pool_pages_data; + ulint innodb_buffer_pool_pages_dirty; + ulint innodb_buffer_pool_pages_misc; + ulint innodb_buffer_pool_pages_free; + ulint innodb_buffer_pool_pages_latched; + ulint innodb_buffer_pool_read_requests; + ulint innodb_buffer_pool_reads; + ulint innodb_buffer_pool_wait_free; + ulint innodb_buffer_pool_pages_flushed; + ulint innodb_buffer_pool_write_requests; + ulint innodb_buffer_pool_read_ahead_seq; + ulint innodb_buffer_pool_read_ahead_rnd; + ulint innodb_dblwr_pages_written; + ulint innodb_dblwr_writes; + ulint innodb_log_waits; + ulint innodb_log_write_requests; + ulint innodb_log_writes; + ulint innodb_os_log_written; + ulint innodb_os_log_fsyncs; + ulint innodb_os_log_pending_writes; + ulint innodb_os_log_pending_fsyncs; + ulint innodb_page_size; + ulint innodb_pages_created; + ulint innodb_pages_read; + ulint innodb_pages_written; + ulint innodb_rows_read; + ulint innodb_rows_inserted; + ulint innodb_rows_updated; + ulint innodb_rows_deleted; +}; + /* The server system struct */ struct srv_sys_struct{ os_event_t operational; /* created threads must wait for the |