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Date: Thu, 31 Jul 2008 09:50:00 -0600
From: "David S. Ahern" <daahern@cisco.com>
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Subject: [Qemu-devel] scheduling of qemu threads
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To: Anthony Liguori <anthony@codemonkey.ws>, qemu-devel@nongnu.org

Last week or so Anthony made a comment about qemu basically being single
threaded given its global mutex. What are the impacts to simultaneous
scheduling of qemu threads? As I understand it, qemu has a main thread,
a monitor thread, an IO thread and a thread for each vcpu. Can 2 or more
vcpu threads run concurrently? Can a vcpu thread and an IO thread run
concurrently? Does kvm alter the concurrency?

david