Messages in this thread | | | Date | Tue, 28 Oct 2008 00:44:59 +0100 | From | "Frédéric Weisbecker" <> | Subject | Re: Ftrace doesn't work anymore on latest tip |
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2008/10/28 Steven Rostedt <rostedt@goodmis.org>: > > On Tue, 28 Oct 2008, Fr?d?ric Weisbecker wrote: > >> Hi, >> >> I tried to launch the function tracer with the latest -tip. >> With DYNAMIC_FTRACE (I just tried one time), I set "function" to >> current_trace and it blocks during writing. I can't >> even switch to another console. >> Without DYNAMIC_FTRACE I can set the tracer to function but it doesn't >> produce any trace, even on trace or tracing_pipe. >> >> My config is in attachment. >> I will try some revert...or some other tracers. >> > > > You might want to update your config (make oldconfig?) The latest tip has > FUNCTION_TRACER instead of FTRACE. > > Also, the config you sent me, does not even have FTRACE on :-/ > > CONFIG_HAVE_FTRACE=y > CONFIG_HAVE_DYNAMIC_FTRACE=y > CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y > CONFIG_TRACER_MAX_TRACE=y > CONFIG_RING_BUFFER=y > CONFIG_TRACING=y > # CONFIG_FTRACE is not set > # CONFIG_IRQSOFF_TRACER is not set > # CONFIG_PREEMPT_TRACER is not set > # CONFIG_SYSPROF_TRACER is not set > CONFIG_SCHED_TRACER=y > CONFIG_CONTEXT_SWITCH_TRACER=y
Sorry I sent a config for the mainline. This new one is the right. [unhandled content-type:application/octet-stream] | |