On Fri, 13 Sep 2013 02:18:06 +0000 "Du, Yuyang" <yuyang.du@xxxxxxxxx> wrote: > Sorry, the terms we use confuse a lot. > > For example, I defined a trace point, trace_a(state), and used it somewhere to trace the state. So what I want is: > > (trace on, force a trace_a), normal trace_a's ..., (trace off, force a trace_a) > > Basically, I think I need a notifier at both start and end. > I guess you are asking that the operation that does the "trace_on" also writes to the trace buffer saying that it did so? Is that correct? -- 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
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