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Gmane
From: Jeremy Fitzhardinge <jeremy <at> goop.org>
Subject: [PATCH 0 of 4] Xen spinlock updates and performance measurements
Newsgroups: gmane.comp.emulators.xen.devel
Date: Thursday 21st August 2008 00:02:17 UTC (over 9 years ago)
Hi Ingo,

This series has some updates to Xen's spinlock implementation,
including adding a set of performance measurements in debugfs.

The series consists of:
 - correctly deal with a spinlock in an interrupt handler interrupting
   another spinlock spinning on a lock. [2.6.27 bugfix]
 - Add Xen debugfs support, including performance metrics for
   spinlocks, multicalls and mmu operations.
 - Allow interrupts to be enabled while spinning (blocking) for a lock
 - Measure time spinlocks spend blocked

Thanks,
	J
 
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