From: Tharindu Rukshan Bamunuarachchi <btharindu@gmail.com>
To: Tim Pepper <lnxninja@linux.vnet.ibm.com>
Cc: linux-numa@vger.kernel.org
Subject: Re: NUMA page allocation from next Node
Date: Mon, 1 Nov 2010 19:48:08 +0530 [thread overview]
Message-ID: <AANLkTi=s47jwWEDkUpUQGxZjf=oojyDUj74HKBhi-Tnv@mail.gmail.com> (raw)
In-Reply-To: <20101029195235.GA3769@tpepper-t61p.dolavim.us>
Tim,
I found that default value for "zone_reclaim_mode" is zero in HP
machine. But It is one in IBM.
Why does it set 1 or 0 in different hardware ?
On Sat, Oct 30, 2010 at 1:22 AM, Tim Pepper <lnxninja@linux.vnet.ibm.com> wrote:
>
> It would be interesting to see the output of "numactl --hardware" for each
> of these scenarios.
>
1. SLES11 + IBM HW
After consuming all memory in node1, it shows following ...
available: 2 nodes (0-1)
node 0 cpus: 0 1 2 3 4 5
node 0 size: 24564 MB
node 0 free: 23025 MB
node 1 cpus: 6 7 8 9 10 11
node 1 size: 24576 MB
node 1 free: 16 MB
node distances:
node 0 1
0: 10 21
1: 21 10
2. SLES 11 + HP
available: 2 nodes (0-1)
node 0 cpus: 0 2 4 6
node 0 size: 24565 MB
node 0 free: 19929 MB
node 1 cpus: 1 3 5 7
node 1 size: 24575 MB
node 1 free: 3043 MB
node distances:
node 0 1
0: 10 20
1: 20 10
available: 2 nodes (0-1)
node 0 cpus: 0 2 4 6
node 0 size: 24565 MB
node 0 free: 19912 MB
node 1 cpus: 1 3 5 7
node 1 size: 24575 MB
node 1 free: 335 MB
node distances:
node 0 1
0: 10 20
1: 20 10
available: 2 nodes (0-1)
node 0 cpus: 0 2 4 6
node 0 size: 24565 MB
node 0 free: 17066 MB
node 1 cpus: 1 3 5 7
node 1 size: 24575 MB
node 1 free: 16 MB
node distances:
node 0 1
0: 10 20
1: 20 10
available: 2 nodes (0-1)
node 0 cpus: 0 2 4 6
node 0 size: 24565 MB
node 0 free: 10468 MB
node 1 cpus: 1 3 5 7
node 1 size: 24575 MB
node 1 free: 16 MB
node distances:
node 0 1
0: 10 20
1: 20 10
> --
> Tim Pepper  <lnxninja@linux.vnet.ibm.com>
> IBM Linux Technology Center
>
next prev parent reply other threads:[~2010-11-01 14:18 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-26 16:27 NUMA page allocation from next Node Tharindu Rukshan Bamunuarachchi
[not found] ` <20101027213652.GA12345@sgi.com>
2010-10-29 2:05 ` Tharindu Rukshan Bamunuarachchi
[not found] ` <20101029033058.GB555@www.lurndal.org>
2010-10-29 6:58 ` Tharindu Rukshan Bamunuarachchi
[not found] ` <AANLkTikDtKc7RdAWJagqCf7T0JKscfe0Hd0ojc8g7yYo@mail.gmail.com>
2010-10-29 7:06 ` Tharindu Rukshan Bamunuarachchi
2010-10-29 8:49 ` Andi Kleen
2010-10-29 9:16 ` Tharindu Rukshan Bamunuarachchi
2010-10-29 19:52 ` Tim Pepper
2010-10-29 20:30 ` Lee Schermerhorn
2010-11-01 13:55 ` Tharindu Rukshan Bamunuarachchi
2010-11-01 14:18 ` Tharindu Rukshan Bamunuarachchi [this message]
2010-11-01 14:59 ` Lee Schermerhorn
2010-11-01 18:00 ` Andi Kleen
2010-11-02 0:49 ` Tharindu Rukshan Bamunuarachchi
2010-11-01 17:59 ` Andi Kleen
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