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Displaying posts with tag: tracing (reset)
Dynamic Tracing of MySQL Server With perf probe - Basic Example

I am going to write a series of blog posts based on my talks and experiences at Percona Live Europe 2019. The first one would be a kind of extended comment for a couple of slides from the "Tracing and Profiling MySQL" talk.

We can surely wait until Performance Schema instruments every other line of code or at least every important stage and wait in every storage engine we care about, but there is no real need for that. If you run any version of MySQL under Linux with more or less recent kernel (anything newer than 4.1 is good enough, in general), you can easily use dynamic tracing for any application (at least if there is symbolic information for the binaries), any time. As Brendan Gregg put it here:

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