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580b399ade
This patch add trace log for the db access. Currently support 5 log levels: - 0: disable the trace log for db. - 1: trace the calls of database subroutines. - 2: trace the event to build the cache for the table - 3: trace the event with cache hit - 4: trace the SQL statement implement-feature: #3612 Output example from xcat/cluster.log: ··· Aug 9 01:59:15 c910f05c01bc02k74 xcat[694]: [DB Trace]: {"msg":{"table":"site","method":"xCAT::Table::setAttribs"},"type":"end","elapsed":"0.00176s"} Aug 9 01:59:15 c910f05c01bc02k74 xcat[694]: [DB Trace]: {"msg":{"table":"site","method":"xCAT::Table::setAttribs"},"type":"start"} Aug 9 01:59:15 c910f05c01bc02k74 xcat[694]: [DB Trace]: {"msg":{"addon":"SELECT * FROM site WHERE \"value\" = ? AND \"comments\" = ? AND \"disable\" = ? AND \"key\" = ?","table":"site","method":"xCAT::Table::setAttribs"},"type":"start_sql"} Aug 9 01:59:15 c910f05c01bc02k74 xcat[694]: [DB Trace]: {"msg":{"table":"site","method":"xCAT::Table::setAttribs"},"type":"end_sql","elapsed":"0.00043s"} Aug 9 01:59:15 c910f05c01bc02k74 xcat[694]: [DB Trace]: {"msg":{"addon":"INSERT INTO site (\"value\",\"comments\",\"key\",\"disable\") VALUES (?,?,?,?)","table":"site","method":"xCAT::Table::setAttribs"},"type":"start_sql"} Aug 9 01:59:15 c910f05c01bc02k74 xcat[694]: [DB Trace]: {"msg":{"addon":"INSERT INTO site (\"value\",\"comments\",\"key\",\"disable\") VALUES (?,?,?,?)","table":"site","method":"xCAT::Table::setAttribs"},"type":"end_sql","elapsed":"0.00043s"} Aug 9 01:59:15 c910f05c01bc02k74 xcat[694]: [DB Trace]: {"msg":{"table":"site","method":"xCAT::Table::setAttribs"},"type":"end","elapsed":"0.00171s"} Aug 9 01:59:15 c910f05c01bc02k74 xcat[694]: [DB Trace]: {"msg":{"table":"site","method":"xCAT::Table::getAttribs"},"type":"start"} Aug 9 01:59:15 c910f05c01bc02k74 xcat[694]: [DB Trace]: {"msg":{"addon":"SELECT * FROM site WHERE \"key\" = ? and (\"disable\" is NULL or \"disable\" in ('0','no','NO','No','nO'))","table":"site","method":"xCAT::Table::getAttribs"},"type":"start_sql"} Aug 9 01:59:15 c910f05c01bc02k74 xcat[694]: [DB Trace]: {"msg":{"table":"site","method":"xCAT::Table::getAttribs"},"type":"end_sql","elapsed":"0.00061s"} Aug 9 01:59:15 c910f05c01bc02k74 xcat[694]: [DB Trace]: {"msg":{"table":"site","method":"xCAT::Table::getAttribs"},"type":"end","elapsed":"0.00125s"} Aug 9 01:59:19 c910f05c01bc02k74 xcat[694]: [DB Trace]: {"msg":{"table":"site","method":"xCAT::Table::getAllAttribs"},"type":"start"} Aug 9 01:59:19 c910f05c01bc02k74 xcat[694]: [DB Trace]: {"msg":{"addon":"SELECT * FROM site WHERE \"disable\" is NULL or \"disable\" in ('0','no','NO','No','nO')","table":"site","method":"xCAT::Table::getAllAttribs"},"type":"start_sql"} Aug 9 01:59:19 c910f05c01bc02k74 xcat[694]: [DB Trace]: {"msg":{"addon":"SELECT * FROM site WHERE \"disable\" is NULL or \"disable\" in ('0','no','NO','No','nO')","table":"site","method":"xCAT::Table::getAllAttribs"},"type":"end_sql","elapsed":"0.00080s"} ···