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[Xen-devel] [PATCH] Only trace 32-bit EIP when HVM is in 32-bit mode

  • To: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: George Dunlap <dunlapg@xxxxxxxxx>
  • Date: Tue, 7 Apr 2009 10:58:25 +0100
  • Delivery-date: Tue, 07 Apr 2009 02:59:01 -0700
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  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
Only trace 64 bits when in long mode.  This trace happens every
VMEXIT, and contributes significantly to trace size.  Adding this
patch reduces trace size for a parallel xen build by 7%.

Signed-off-by: George Dunlap <george.dunlap@xxxxxxxxxxxxx>

(Again, hoping this will be counted as a bug-fix, since no new
functionality is introduced.)

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