Messages in this thread | | | Subject | Re: [Patch 0/5] I/O statistics through request queues | From | martin <> | Date | Thu, 02 Nov 2006 15:39:16 +0100 |
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Jens, Andrew, I am not pursueing this patch set. I have convinced myself that blktrace is capable of being used as a an analysis tool for low level I/O performance, if invoced with appropriate settings. In our tests, we limited traces to Issue/Complete events, cut down on relay buffers, and redirected traces to a network connection instead of filling locally attached storage up. Cost is about 2 percent, as advertised.
Thanks, Martin
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