On Tue, 8 Mar 2016 10:22:07 -0500 (EST)
Chunyu Hu <ch...@redhat.com> wrote:
> Thanks for the quick review! This is an mistake, the change below should be
> after it. From my
> limited knowledge and observation, seems there is no tracer sharing the
> tracer_flag except the
> dummy_tracer flag. As in the patch that flag is not shared any more, so i
> also removed these check
> in the previous email.
>
>
> @@ -6390,15 +6400,6 @@ create_trace_option_files(struct trace_array *tr,
> struct tracer *tracer)
> if (!trace_ok_for_array(tracer, tr))
> return;
>
> - for (i = 0; i < tr->nr_topts; i++) {
> - /*
> - * Check if these flags have already been added.
> - * Some tracers share flags.
> - */
> - if (tr->topts[i].tracer->flags == tracer->flags)
> - return;
> - }
> -
>
The latency tracers share flags (irqsoff, preemptoff and preemptirqsoff)
-- Steve
