From: keith.busch@intel.com (Keith Busch)
Subject: setting nvme irq per cpu affinity in device driver
Date: Wed, 2 Sep 2015 19:07:59 +0000 (UTC) [thread overview]
Message-ID: <alpine.LNX.2.00.1509021905520.23840@localhost.lm.intel.com> (raw)
In-Reply-To: <003c01d0e569$dd9a7b40$98cf71c0$@samsung.com>
On Wed, 2 Sep 2015, ??? wrote:
> Actually, in current status, device driver already tries to set
> affinity_hint for IRQs during Q initialization.
> But in our tests, it does not guarantee the CPU distribution on system-wide
> even with irqbalance daemon working, failing to resolve above issues.
Are you running irqbalance with '--hintpolicy=exact'? It Seems to do
the right thing over here.
next prev parent reply other threads:[~2015-09-02 19:07 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-02 10:26 setting nvme irq per cpu affinity in device driver 김경산
2015-09-02 14:05 ` Christoph Hellwig
2015-09-03 5:01 ` 김경산
2015-09-06 8:06 ` 김경산
2015-09-07 17:54 ` 'Christoph Hellwig'
2015-09-10 10:25 ` 김경산
2015-09-08 14:47 ` Keith Busch
2015-09-09 0:35 ` 김경산
2015-09-02 19:07 ` Keith Busch [this message]
2015-09-03 0:33 ` 김경산
2015-09-03 14:14 ` Keith Busch
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