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[Xen-devel] [PATCH] xentrace: Disable tracing, then read records one mor

To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-devel] [PATCH] xentrace: Disable tracing, then read records one more time.
From: George Dunlap <dunlapg@xxxxxxxxx>
Date: Mon, 1 Feb 2010 11:05:54 -0800
Delivery-date: Mon, 01 Feb 2010 11:06:12 -0800
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When interrupted, first disable tracing, then read through the records
one last time.

Without this patch, it's possible to get traces which interact (such as runstate
changes) on processors with higher numbers, while missing the corresponding
traces generated on lower-numbered processors.

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

Attachment: 20100107-unstable-xentrace-read-after-disable.diff
Description: Text Data

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