* Ingo Molnar <mingo@xxxxxxx> wrote: > There's far more normal mutex fastpath use during an AIM7 run than any > BKL use. So if it's due to any direct fastpath overhead and the > resulting widening of the window for the real slowdown, we should see > a severe slowdown on AIM7 with CONFIG_MUTEX_DEBUG=y. Agreed? my own guesstimate about AIM7 performance impact resulting out of CONFIG_MUTEX_DEBUG=y: performance overhead will not be measurable, or will at most be in the sub-1% range. But i've been badly wrong before :) Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
