On Wed, 14 May 2014 01:35:28 +0800 Yuyang Du <yuyang.du@xxxxxxxxx> wrote: > I appreciate your consideration. No argument. But if for the generality of > this feature, it would be like giving entries in DEFINE_EVENT like: TP_START > and TP_END, in which author can write any codes for the *general* health of the > trace event. I would be the first user if allow me, and probably more users > who also want this subconisciously. If you are talking about simply calling some function when an event is enabled and disabled, that already exists. See TRACE_EVENT_FN(). The "reg" is called when the tracepoint is enabled, and the "unreg" is called when it is disabled. -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-trace-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html