From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sog-mx-3.v43.ch3.sourceforge.com ([172.29.43.193] helo=mx.sourceforge.net) by sfs-ml-1.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1SXqZF-0000A9-0q for ltp-list@lists.sourceforge.net; Fri, 25 May 2012 09:12:17 +0000 Received: from mx1.redhat.com ([209.132.183.28]) by sog-mx-3.v43.ch3.sourceforge.com with esmtp (Exim 4.76) id 1SXqZ9-0003Ru-90 for ltp-list@lists.sourceforge.net; Fri, 25 May 2012 09:12:16 +0000 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id q4P9C5pQ011251 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Fri, 25 May 2012 05:12:05 -0400 Message-ID: <4FBF4CE3.30800@redhat.com> Date: Fri, 25 May 2012 11:12:03 +0200 From: Jan Stancek MIME-Version: 1.0 Subject: [LTP] [PATCH 0/2] move_pages: dont use hardcoded node numbers List-Id: Linux Test Project General Discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-list-bounces@lists.sourceforge.net To: ltp-list@lists.sourceforge.net Cc: Jeffrey Burke Similar to previous patch for mbind01 and get_mempolicy01, move_pages tests are also using hardcoded nodes 0/1. This patch series is introducing get_allowed_nodes() function to move_pages_support, which is using get_mempolicy(..., MPOL_F_MEMS_ALLOWED) to obtain list of nodes tests can use. I tested it with following setups. Note that setup 4 and 5 will end with TCONF as there is only 1 node with memory. 1. # numactl -H available: 8 nodes (2,4-10) node 2 cpus: 0 node 2 size: 127 MB node 2 free: 9 MB node 4 cpus: node 4 size: 128 MB node 4 free: 9 MB node 5 cpus: node 5 size: 128 MB node 5 free: 64 MB node 6 cpus: node 6 size: 128 MB node 6 free: 121 MB node 7 cpus: node 7 size: 128 MB node 7 free: 121 MB node 8 cpus: node 8 size: 128 MB node 8 free: 121 MB node 9 cpus: node 9 size: 128 MB node 9 free: 121 MB node 10 cpus: node 10 size: 127 MB node 10 free: 123 MB 2. # numactl -H available: 4 nodes (0-3) node 0 cpus: 0 1 2 3 4 5 node 0 size: 2047 MB node 0 free: 564 MB node 1 cpus: 6 7 8 9 10 11 node 1 size: 2046 MB node 1 free: 451 MB node 2 cpus: 18 19 20 21 22 23 node 2 size: 2048 MB node 2 free: 595 MB node 3 cpus: 12 13 14 15 16 17 node 3 size: 2048 MB node 3 free: 236 MB node distances: node 0 1 2 3 0: 10 16 16 16 1: 16 10 16 16 2: 16 16 10 16 3: 16 16 16 10 3. # numactl -H available: 2 nodes (2-3) node 2 cpus: 0 node 2 size: 511 MB node 2 free: 154 MB node 3 cpus: node 3 size: 511 MB node 3 free: 490 MB 4. # numactl -H available: 2 nodes (0-1) node 0 cpus: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 node 0 size: 0 MB node 0 free: 0 MB node 1 cpus: node 1 size: 12288 MB node 1 free: 9689 MB node distances: node 0 1 0: 10 40 1: 40 10 5. # numactl -H available: 1 nodes (0) node 0 cpus: 0 node 0 size: 1023 MB node 0 free: 654 MB node distances: node 0 0: 10 Jan Stancek (2): move_pages_support: use only allowed nodes move_pages: dont use hardcoded node numbers .../kernel/syscalls/move_pages/move_pages02.c | 13 +++- .../kernel/syscalls/move_pages/move_pages03.c | 13 +++- .../kernel/syscalls/move_pages/move_pages04.c | 13 +++- .../kernel/syscalls/move_pages/move_pages05.c | 13 +++- .../kernel/syscalls/move_pages/move_pages06.c | 10 ++- .../kernel/syscalls/move_pages/move_pages07.c | 13 +++- .../kernel/syscalls/move_pages/move_pages08.c | 12 +++- .../kernel/syscalls/move_pages/move_pages09.c | 8 ++- .../kernel/syscalls/move_pages/move_pages10.c | 13 +++- .../kernel/syscalls/move_pages/move_pages11.c | 13 +++- .../syscalls/move_pages/move_pages_support.c | 74 ++++++++++++++++---- .../syscalls/move_pages/move_pages_support.h | 1 + 12 files changed, 157 insertions(+), 39 deletions(-) ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Ltp-list mailing list Ltp-list@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ltp-list