From mboxrd@z Thu Jan  1 00:00:00 1970
From: Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [PATCHv2/RFC] kvm/irqchip: Speed up KVM_SET_GSI_ROUTING
Date: Wed, 19 Feb 2014 23:23:32 +0100
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Cc: Gleb Natapov <gleb@minantech.com>, KVM <kvm@vger.kernel.org>,
	linux-s390 <linux-s390@vger.kernel.org>,
	Cornelia Huck <cornelia.huck@de.ibm.com>,
	Jens Freimann <jfrei@linux.vnet.ibm.com>, agraf@suse.de,
	Andrew Theurer <atheurer@redhat.com>
To: Christian Borntraeger <borntraeger@de.ibm.com>,
	"Michael S. Tsirkin" <mst@redhat.com>
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Il 17/01/2014 09:29, Christian Borntraeger ha scritto:
> Michael,
> do you have a quick way to check if srcu has a noticeable impact on int
> injection on your systems? I am happy with either v2 or v3 of the patch,
> but srcu_synchronize_expedited seems to have less latency impact on the
> full system than rcu_synchronize_expedited. This might give Paolo a hint
> which of the patches is the right way to go.

Hi all,

I've asked Andrew Theurer to run network tests on a 10G connection (TCP 
request/response to check for performance, TCP streaming for host CPU 
utilization).

Paolo