Tracing queries within DB transactions with dbslower

Kevin Maier

as part of a university project I am analysing the dbslower tool to evaluate the performance cost of tracing the queries and to test what can be traced with it. As MySQL dropped support for Dtrace for v8.0+ I am using the alternative with uprobes. During my own testing with MySQL v8.0.28 I found out that regular queries get traced without issues, but if they are within a transaction only the queries b'START TRANSACTION' and b'COMMIT' are detected and none of the queries within the transaction get traced. Is there a way to adapt the tracing to include the queries within a transaction aswell, e.g. by adapting the mysql_func_name?

Best regards,
Kevin Maier

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