From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sog-mx-4.v43.ch3.sourceforge.com ([172.29.43.194] helo=mx.sourceforge.net) by sfs-ml-1.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1US38B-0005lv-9S for ltp-list@lists.sourceforge.net; Tue, 16 Apr 2013 10:28:55 +0000 Received: from mx1.redhat.com ([209.132.183.28]) by sog-mx-4.v43.ch3.sourceforge.com with esmtp (Exim 4.76) id 1US38A-0001Cc-5Q for ltp-list@lists.sourceforge.net; Tue, 16 Apr 2013 10:28:55 +0000 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id r3GASm4f019799 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 16 Apr 2013 06:28:48 -0400 From: Zhouping Liu Date: Tue, 16 Apr 2013 18:26:30 +0800 Message-Id: Subject: [LTP] [PATCH v5 0/3] mm/thp: add two new case List-Id: Linux Test Project General Discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-list-bounces@lists.sourceforge.net To: LTP List The patchset is desinged to test THP functionality. when one process allocate hugepage aligned anonymous pages, kernel thread 'khugepaged' controlled by sysfs knobs /sys/kernel/mm/transparent_hugepage/* will scan them, and make them as transparent hugepage if they are suited, you can find out how many transparent hugepages are there in one process from /proc//smaps, among the file contents, 'AnonHugePages' entry stand for transparent hugepage. v1 to v2: accepted Wanlong's suggestion, added some comment for '10s' added 'static' key word for single-file-only variant. v2 to v3: added some comments for low memory system. v3 to v4: Wanglong point out that the value of khugepaged/defrag is string type, not a numeric before applying the commit e27e6151b154 in v2.6.39-rc4, and I checked the code again, found the current cases thp0* don't be effected by khugepaged/defrag, so I removed the checking of khugepaged/defrag from khugepaged_scan_done(). v4 to v5: 1. made some cleaup 2. updated 10s to 5s for each checking in khugepaged_scan_done() 3. used SAFE_FILE_SCANF|PRINTF() instead of write_file() Zhouping Liu (3): mm/thp: new case thp04.c lib/mem: introduce a new function set_global_mempolicy() mm/thp: add new case thp05 runtest/mm | 6 ++ testcases/kernel/mem/include/mem.h | 12 +++ testcases/kernel/mem/lib/mem.c | 199 ++++++++++++++++++++++++++++++++++++- testcases/kernel/mem/thp/thp04.c | 142 ++++++++++++++++++++++++++ testcases/kernel/mem/thp/thp05.c | 155 +++++++++++++++++++++++++++++ 5 files changed, 513 insertions(+), 1 deletion(-) create mode 100644 testcases/kernel/mem/thp/thp04.c create mode 100644 testcases/kernel/mem/thp/thp05.c -- 1.7.11.7 ------------------------------------------------------------------------------ Precog is a next-generation analytics platform capable of advanced analytics on semi-structured data. The platform includes APIs for building apps and a phenomenal toolset for data science. Developers can use our toolset for easy data analysis & visualization. Get a free account! http://www2.precog.com/precogplatform/slashdotnewsletter _______________________________________________ Ltp-list mailing list Ltp-list@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ltp-list