Messages in this thread | | | Date | Thu, 30 Jul 2009 09:43:23 -0400 | From | Rik van Riel <> | Subject | Re: [PATCH 3/4] tracing, page-allocator: Add trace event for page traffic related to the buddy lists |
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Mel Gorman wrote: > The page allocation trace event reports that a page was successfully allocated > but it does not specify where it came from. When analysing performance, > it can be important to distinguish between pages coming from the per-cpu > allocator and pages coming from the buddy lists as the latter requires the > zone lock to the taken and more data structures to be examined.
Acked-by: Rik van Riel <riel@redhat.com>
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