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[Xen-devel] performance counters
| To: | <xen-devel@xxxxxxxxxxxxxxxxxxx> |
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| Subject: | [Xen-devel] performance counters |
| From: | "Jan Beulich" <jbeulich@xxxxxxxxxx> |
| Date: | Thu, 15 Mar 2007 11:27:02 +0000 |
| Delivery-date: | Thu, 15 Mar 2007 04:25:08 -0700 |
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In order to be meaningful and usable together with other measuring methods, their use in my opinion should impose as little overhead as possible. With that, I wonder why per-cpu counters use atomic operations. Thanks, Jan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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