RUBY_DTRACE_METHOD_HOOK   32 probes_helper.h     RUBY_DTRACE_METHOD_HOOK(METHOD_ENTRY, th, klass, id)
RUBY_DTRACE_METHOD_HOOK   35 probes_helper.h     RUBY_DTRACE_METHOD_HOOK(METHOD_RETURN, th, klass, id)
RUBY_DTRACE_METHOD_HOOK   38 probes_helper.h     RUBY_DTRACE_METHOD_HOOK(CMETHOD_ENTRY, th, klass, id)
RUBY_DTRACE_METHOD_HOOK   41 probes_helper.h     RUBY_DTRACE_METHOD_HOOK(CMETHOD_RETURN, th, klass, id)