On Tue, Sep 08, 2015 at 09:16:31PM +0800, pi3orama wrote: SNIP
> >> Now I understand your suggestion. You mean we can build env->cpu before > >> processing the first sample, then init al.socket using that map instead > > > > hum, that should be the case anyway.. features are read before events > > > >> of calling cpu_map__get_socket_id() unconditionally in an ad-hoc way. > >> > >> And I have another question that, since build_cpu_topo() and > >> perf_event__preprocess_sample() are more or less doing similar things, > >> why we need both of them? > > > > perf_event__preprocess_sample is called for each sample, > > while build_cpu_topo is part of storing topology feature > Sorry, what I wanted to say should be: > cpu_map__get_socket_id() and build_cpu_topo()... cpu_map__get_socket_id is also used by perf stat jirka -- 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/
