On 13-08-11 11:24 PM, zhangwei(Jovi) wrote: > If you want to base on ftrace, below two approach maybe take into use: > > - register_ftrace_function/unregister_ftrace_function > > - perf_event_create_kernel_counter (function event id is 1) > > the first one is simplest, IMO.
Thx for the pointers. > You need to write your own kernel module to use these approach. As a proof-of-concept, sure. For something more permanent it would make more sense to adapt the various perf/ftrace tools to make this available on the command line with other options. But we're far away from that for the moment. -- Karim Yaghmour CEO - Opersys inc. / www.opersys.com http://twitter.com/karimyaghmour -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
