Messages in this thread |  | | Date | Wed, 11 Aug 2004 17:39:35 -0700 | From | "David S. Miller" <> | Subject | Re: [PATCH][2.6] Completely out of line spinlocks / i386 |
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On Thu, 12 Aug 2004 10:01:50 +1000 Keith Owens <kaos@ocs.com.au> wrote:
> Tweak the profile code to detect that the instruction pointer is in the > out of line spinlock code and replace the ip with the caller's ip. We > already do that for ia64, where the out of line spinlock code is a big > win. A kdb backtrace on an ia64 contended lock will even decode the > address of the lock, which is only possible because the lock address is > in a known location for this case.
We were doing this on sparc64 as well. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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