The Linux Perf tool is pretty powerful. I've barely just scratched the surface myself. https://perf.wiki.kernel.org/index.php/Main_Page https://perf.wiki.kerne

The Linux Perf tool is pretty powerful. I've barely just scratched the surface myself. https://perf.wiki.kernel.org/index.php/Main_Page https://perf.wiki.kernel.org/index.php/Main_Page As as a side note, Go and pretty good profiling tools. You can see a trace of goroutine execution and why a goroutine got scheduled out and when GC kicks in. https://about.sourcegraph.com/go/an-introduction-to-go-tool-trace-rhys-hiltner/ https://about.sourcegraph.com/go/an-introduction-to-go-tool-...