Re: [PATCH RFC] x86: avoid atomic operation in test_and_set_bit_lock if possible

From: Andi Kleen
Date: Thu Mar 24 2011 - 17:37:57 EST


> In that case the second example i quoted can be used:
>
> perf top -e L1-dcache-store-misses -e L1-dcache-stores --count-filter 10

That will include L2 and L3 stores -- you won't get any indication
on misses to other sockets.

-Andi
--
ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
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