From: keith.busch@intel.com (Keith Busch)
Subject: Why NVMe MSIx vectors affinity set across NUMA nodes?
Date: Mon, 22 Jan 2018 10:32:39 -0700 [thread overview]
Message-ID: <20180122173239.GM12043@localhost.localdomain> (raw)
In-Reply-To: <CAKTKpr59h-PXz60BNkx4_80gHyeFawcJW17dt9Y5VRrmHRsSQA@mail.gmail.com>
On Mon, Jan 22, 2018@10:52:59PM +0530, Ganapatrao Kulkarni wrote:
>
> There are 31 MSIx vectors getting initialised(one per NVMe queue) and
> out of it, 0-15 are getting
> affinity set to node 0 CPUs and vectors 16-30 are getting set to node 1.
> My question is, why not set affinity to all vectors from same node
> CPUs, what was need to use flag PCI_IRQ_AFFINITY?
I'm sorry, but I am not able to parse this question.
next prev parent reply other threads:[~2018-01-22 17:32 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-22 4:25 Why NVMe MSIx vectors affinity set across NUMA nodes? Ganapatrao Kulkarni
2018-01-22 17:14 ` Keith Busch
2018-01-22 17:22 ` Ganapatrao Kulkarni
2018-01-22 17:32 ` Keith Busch [this message]
2018-01-22 17:55 ` Ganapatrao Kulkarni
2018-01-22 18:05 ` Keith Busch
2018-01-22 18:12 ` Ganapatrao Kulkarni
2018-01-22 18:20 ` Keith Busch
2018-01-23 13:30 ` Sagi Grimberg
2018-01-24 2:17 ` Ganapatrao Kulkarni
2018-01-24 15:48 ` Keith Busch
2018-01-24 19:39 ` Sagi Grimberg
2018-01-24 20:38 ` Keith Busch
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