Don't forget if you're on a system with DTrace, Ruby supports a nice bunch of probes for various events: http://ruby-doc.org/core-2.3.0/doc/dtrace_probes_rdoc.h

Don't forget if you're on a system with DTrace, Ruby supports a nice bunch of probes for various events: http://ruby-doc.org/core-2.3.0/doc/dtrace_probes_rdoc.html http://ruby-doc.org/core-2.3.0/doc/dtrace_probes_rdoc.html