Mysql 5.4 with DTrace enabled by default

Besides the tuning for configurations with a higher amount of procs, there is another important “new” feature in Mysql 5.4: Dtrace providers are now enabled in mysql by default in this version (albeit there were enabled in certain pre-compiled binary packages). You can use it on Solaris, Opensolaris as well as MacOS X and FreeBSD. Furthermore there is an interesting Blueprint about the usage of DTrace in conjunction of Mysql at