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Re: [Xen-devel] event TRC_MEM_PAGE_GRANT_TRANSFER

To: Keir Fraser <keir@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] event TRC_MEM_PAGE_GRANT_TRANSFER
From: Rob Gardner <rob.gardner@xxxxxx>
Date: Tue, 23 Jan 2007 12:31:12 -0700
Cc: Cesar Fernandes <darkvib@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
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Keir Fraser wrote:


Grant transfers are no longer used to move network data from netback to
netfront (except for backward compatibility with old netfront drivers).


Yeah, got that. ;) Could you explain what mechanisms are currently used to move data for net I/O and disk I/O between domains, and in particular, can you suggest where in the code I could put trace calls to be able to count I/O's? Thanks.

Rob


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