The MON_FORMAT_XML_TIMES_BY_ROW table function returns formatted row based output for the combined hierarchy of wait and processing times that are contained in an XML metrics document.
In a non-restrictive database, EXECUTE privilege is granted to PUBLIC when the function is automatically created.
To determine where time is being spent by your application within the DB2® database manager, you can run the following query to show the combined wait and processing time metrics in the metrics hierarchy.
SELECT SUBSTR(T.SERVICE_SUPERCLASS_NAME,1,15) as SUPERCLASS,
SUBSTR(T.SERVICE_SUBCLASS_NAME,1,15) as SUBCLASS,
T.MEMBER,
SUBSTR(U.METRIC_NAME, 1,15) AS METRIC_NAME,
SUBSTR(U.PARENT_METRIC_NAME,1,15) AS PARENT_NAME,
U.TOTAL_TIME_VALUE,
U.COUNT
FROM
TABLE(MON_GET_SERVICE_SUBCLASS_DETAILS(NULL, NULL, -2)) AS T,
TABLE(MON_FORMAT_XML_TIMES_BY_ROW(T.DETAILS)) AS U
The following is an example of output from this query.
SUPERCLASS SUBCLASS MEMBER METRIC_NAME PARENT_NAME T..._VALUE COUNT
---------- -------- ------ --------------- --------------- ---------- -----
MYSC MYSSC 0 FCM_MESSAGE_REC FCM_RECV_WAIT_T 0 0
MYSC MYSSC 0 FCM_TQ_RECV_WAI FCM_RECV_WAIT_T 0 0
MYSC MYSSC 0 FCM_MESSAGE_SEN FCM_SEND_WAIT_T 0 0
MYSC MYSSC 0 FCM_TQ_SEND_WAI FCM_SEND_WAIT_T 0 0
MYSC MYSSC 0 TOTAL_COMMIT_PR TOTAL_RQST_TIME 300 1
MYSC MYSSC 0 TOTAL_COMPILE_P TOTAL_RQST_TIME 700 1
MYSC MYSSC 0 TOTAL_IMPLICIT_ TOTAL_RQST_TIME 0 0
MYSC MYSSC 0 TOTAL_LOAD_PROC TOTAL_RQST_TIME 0 0
MYSC MYSSC 0 TOTAL_REORG_PRO TOTAL_RQST_TIME 0 0
MYSC MYSSC 0 TOTAL_ROLLBACK_ TOTAL_RQST_TIME 0 0
MYSC MYSSC 0 TOTAL_RUNSTATS_ TOTAL_RQST_TIME 0 0
MYSC MYSSC 0 TOTAL_SECTION_P TOTAL_RQST_TIME 7322 1
MYSC MYSSC 0 TOTAL_WAIT_TIME TOTAL_RQST_TIME 0 0
MYSC MYSSC 0 TOTAL_SECTION_S TOTAL_SECTION_P 0 0
MYSC MYSSC 0 AGENT_WAIT_TIME TOTAL_WAIT_TIME 0 0
MYSC MYSSC 0 AUDIT_FILE_WRIT TOTAL_WAIT_TIME 0 0
MYSC MYSSC 0 AUDIT_SUBSYSTEM TOTAL_WAIT_TIME 0 0
MYSC MYSSC 0 DIAGLOG_WRITE_W TOTAL_WAIT_TIME 0 0
MYSC MYSSC 0 DIRECT_READ_TIM TOTAL_WAIT_TIME 1204 17
MYSC MYSSC 0 DIRECT_WRITE_TI TOTAL_WAIT_TIME 0 0
MYSC MYSSC 0 FCM_RECV_WAIT_T TOTAL_WAIT_TIME 0 0
MYSC MYSSC 0 FCM_SEND_WAIT_T TOTAL_WAIT_TIME 0 0
MYSC MYSSC 0 IPC_RECV_WAIT_T TOTAL_WAIT_TIME 0 0
MYSC MYSSC 0 IPC_SEND_WAIT_T TOTAL_WAIT_TIME 0 0
MYSC MYSSC 0 LOCK_WAIT_TIME TOTAL_WAIT_TIME 0 0
MYSC MYSSC 0 LOG_BUFFER_WAIT TOTAL_WAIT_TIME 0 0
MYSC MYSSC 0 LOG_DISK_WAIT_T TOTAL_WAIT_TIME 523 2
MYSC MYSSC 0 POOL_READ_TIME TOTAL_WAIT_TIME 2432 7
MYSC MYSSC 0 POOL_WRITE_TIME TOTAL_WAIT_TIME 0 0
MYSC MYSSC 0 TCPIP_RECV_WAIT TOTAL_WAIT_TIME 523 1
MYSC MYSSC 0 TCPIP_SEND_WAIT TOTAL_WAIT_TIME 241 1
MYSC MYSSC 0 WLM_QUEUE_TIME_ TOTAL_WAIT_TIME 0 0
MYSC MYSSC 0 CLIENT_IDLE_WAI - 234 -
MYSC MYSSC 0 TOTAL_RQST_TIME - 13245 1
34 record(s) selected.
Column Name | Data Type | Description |
---|---|---|
METRIC_NAME | VARCHAR(128) | The unique identifier for the total time metric value. |
TOTAL_TIME_VALUE | BIGINT | The total time value in milliseconds corresponding to metric_name. |
COUNT | BIGINT | Number of occurrences of this type of interval. |
PARENT_METRIC_NAME | VARCHAR(128) | The identifier of the parent total time metric whose value contains the total_time_value as a subset. |
Metric Name | Parent Metric Name | Description or Monitor element |
---|---|---|
FCM_TQ_RECV_WAIT_TIME | FCM_RECV_WAIT_TIME | fcm_tq_recv_wait_time - FCM table queue received wait time |
FCM_MESSAGE_RECV_WAIT_TIME | FCM_RECV_WAIT_TIME | fcm_message_recv_wait_time - FCM message received wait time |
FCM_TQ_SEND_WAIT_TIME | FCM_SEND_WAIT_TIME | fcm_tq_send_wait_time - FCM table queue send wait time |
FCM_MESSAGE_SEND_WAIT_TIME | FCM_SEND_WAIT_TIME | fcm_message_send_wait_time - FCM message send wait time |
LOCK_WAIT_TIME | TOTAL_ACT_WAIT_TIME | lock_wait_time - Time waited on locks |
DIRECT_READ_TIME | TOTAL_ACT_WAIT_TIME | direct_read_time - Direct read time |
DIRECT_WRITE_TIME | TOTAL_ACT_WAIT_TIME | direct_write_time - Direct write time |
LOG_BUFFER_WAIT_TIME | TOTAL_ACT_WAIT_TIME | log_buffer_wait_time - Log buffer wait time |
LOG_DISK_WAIT_TIME | TOTAL_ACT_WAIT_TIME | log_disk_wait_time - Log disk wait time |
POOL_WRITE_TIME | TOTAL_ACT_WAIT_TIME | pool_write_time - Total buffer pool physical write time |
POOL_READ_TIME | TOTAL_ACT_WAIT_TIME | pool_read_time - Total buffer pool physical read time |
AUDIT_FILE_WRITE_WAIT_TIME | TOTAL_ACT_WAIT_TIME | audit_file_write_wait_time - Audit file write wait time |
AUDIT_SUBSYSTEM_WAIT_TIME | TOTAL_ACT_WAIT_TIME | audit_subsystem_wait_time - Audit subsystem wait time |
DIAGLOG_WRITE_WAIT_TIME | TOTAL_ACT_WAIT_TIME | diaglog_write_wait_time - Diagnostic log file write wait time |
FCM_SEND_WAIT_TIME | TOTAL_ACT_WAIT_TIME | fcm_send_wait_time - FCM send wait time |
FCM_RECV_WAIT_TIME | TOTAL_ACT_WAIT_TIME | fcm_recv_wait_time - FCM received wait time |
TOTAL_ACT_WAIT_TIME | STMT_EXEC_TIME | total_act_wait_time - Total activity wait time |
LOCK_WAIT_TIME_GLOBAL | LOCK_WAIT_TIME | lock_wait_time_global - Lock wait time global |
RECLAIM_WAIT_TIME | TOTAL_ACT_WAIT_TIME | reclaim_wait_time - Reclaim wait time |
SPACEMAPPAGE_RECLAIM_WAIT_TIME | TOTAL_ACT_WAIT_TIME | spacemappage_reclaim_wait_time - Space map page reclaim wait time |
CF_WAIT_TIME | TOTAL_ACT_WAIT_TIME | cf_wait_time - cluster caching facility wait time |
EVMON_WAIT_TIME | TOTAL_ACT_WAIT_TIME | evmon_wait_time - Event monitor wait time |
TOTAL_EXTENDED_LATCH_WAIT_TIME | TOTAL_ACT_WAIT_TIME | total_extended_latch_wait_time - Total extended latch wait time |
PREFETCH_WAIT_TIME | TOTAL_ACT_WAIT_TIME | prefetch_wait_time - Time waited for prefetch |
WLM_QUEUE_TIME_TOTAL | NULL | wlm_queue_time_total - Workload manager total queue time |
TOTAL_SECTION_SORT_PROC_TIME | TOTAL_SECTION_PROC_TIME | total_section_sort_proc_time - Total section sort processing time |
TOTAL_ROUTINE_NON_SECT_PROC_TIME | STMT_EXEC_TIME | total_routine_non_sect_proc_time - Non-section processing time |
TOTAL_SECTION_PROC_TIME | STMT_EXEC_TIME | total_section_proc_time - Total section processing time |
TOTAL_ROUTINE_USER_CODE_PROC_TIME | TOTAL_ROUTINE_NON_SECT_PROC_TIME | total_routine_user_code_proc_time - Total routine user code processing time |
STMT_EXEC_TIME | NULL | stmt_exec_time - Statement execution time |
IDA_SEND_WAIT_TIME | TOTAL_WAIT_TIME | The total amount of time spent waiting to send data to an in-database analytics process. |
IDA_RECV_WAIT_TIME | TOTAL_WAIT_TIME | The total amount of time spent waiting to receive data from an in-database analytics process. |