| Subject | Re: [RFC][PATCH 6/7] perf: use jump_label to optimize the scheduler hooks | From | Peter Zijlstra <> | Date | Sun, 17 Oct 2010 11:52:39 +0200 |
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On Thu, 2010-10-14 at 22:34 +0200, Peter Zijlstra wrote: > +static inline void perf_event_task_sched_in(struct task_struct *task) > +{ > + JUMP_LABEL(&perf_task_events, have_events); > + return; > + > +have_events: > + __perf_event_task_sched_in(task); > +}
OK, so I hate the JUMP_LABEL() interface for it means we have to keep writing these silly stubs.
How about something like:
#define COND_STMT(key, stmt) \ do { \ __label__ jl_enabled; \ JUMP_LABEL(key, jl_enabled); \ if (0) { \ jl_enabled: \ stmt; \ } \ } while (0)
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