From: Rick Jones <rick.jones2@hp.com>
To: Stephen Hemminger <shemminger@vyatta.com>
Cc: Tom Herbert <therbert@google.com>,
davem@davemloft.net, netdev@vger.kernel.org
Subject: Re: [PATCH v5] rps: Receive Packet Steering
Date: Thu, 14 Jan 2010 15:31:01 -0800 [thread overview]
Message-ID: <4B4FA935.9080902@hp.com> (raw)
In-Reply-To: <20100114145633.4c2d4ac6@nehalam>
>>The CPU masks is set on a per device basis in the sysfs variable
>>/sys/class/net/<device>/rps_cpus. This is a set of canonical bit maps for
>>each NAPI nstance of the device. For example:
>>
>>echo "0b 0b0 0b00 0b000" > /sys/class/net/eth0/rps_cpus
>
>
> Why not make a kobject out of cpus which would add subdirectory.
> This would keep interface consistent with the one value per file
> semantic of sysfs.
Perhaps a question of po-tay-toe vs po-tah-toe, but which will be easier to deal
with for say 128 or 256 "CPUs?"
rick jones
next prev parent reply other threads:[~2010-01-14 23:31 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-14 21:56 [PATCH v5] rps: Receive Packet Steering Tom Herbert
2010-01-14 22:56 ` Stephen Hemminger
2010-01-14 23:31 ` Rick Jones [this message]
2010-01-16 2:11 ` Ben Hutchings
2010-01-17 17:22 ` Stephen Hemminger
2010-01-15 2:22 ` Changli Gao
2010-01-15 6:19 ` Eric Dumazet
2010-01-15 6:39 ` Changli Gao
2010-01-15 6:57 ` Eric Dumazet
2010-01-15 8:49 ` David Miller
2010-01-15 9:20 ` Changli Gao
2010-01-15 9:26 ` David Miller
2010-01-21 7:04 ` Changli Gao
2010-01-15 9:45 ` David Miller
2010-01-15 8:50 ` David Miller
2010-01-15 9:05 ` Changli Gao
2010-01-15 6:27 ` Eric Dumazet
2010-01-16 2:26 ` Ben Hutchings
2010-01-21 7:54 ` Changli Gao
2010-01-21 9:16 ` Eric Dumazet
2010-01-28 6:04 ` Stephen Hemminger
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