New TRACE_EVENT in mainline changed the softirq instrumentation name. As a result, recent LTTng did not trace softirq entry/exit anymore. This is fixed in LTTng 0.151 Mathieu -- Mathieu Desnoyers OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68