Re: [patch 9/9] Scheduler profiling - Use conditional calls

From: Andrew Morton
Date: Wed May 30 2007 - 16:35:25 EST


On Wed, 30 May 2007 10:00:34 -0400
Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxx> wrote:

> @@ -2990,7 +2991,8 @@
> print_irqtrace_events(prev);
> dump_stack();
> }
> - profile_hit(SCHED_PROFILING, __builtin_return_address(0));
> + cond_call(profile_on,
> + profile_hit(SCHED_PROFILING, __builtin_return_address(0)));
>

That's looking pretty neat. Do you have any before-and-after performance
figures for i386 and for a non-optimised architecture?
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/