On Wed, Jul 22, 2015 at 10:57:23AM -0400, Vince Weaver wrote: > On Wed, 22 Jul 2015, Peter Zijlstra wrote:
> > Can you run with something like the below? > > OK, so I have to admit I'm a bit weak on ftrace. What type of command > line are you interested in seeing? The ones I've tried with trace-cmd > have activated your trace_printks but there's 500MB of other data mixed > in so maybe I am doing something wrong. something along the lines of: echo function > /debug/tracing/current_tracer echo nop > /debug/tracing/current_tracer echo 0 > /debug/tracing/trace ./check_multiplexing echo 0 > /debug/tracing/tracing_on cat /debug/tracing/trace > ~/trace.log I've no idea how trace-cmd works, I don't even think I have it :-) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

