From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sog-mx-1.v43.ch3.sourceforge.com ([172.29.43.191] helo=mx.sourceforge.net) by sfs-ml-1.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1XwX0f-0003Y0-Gi for ltp-list@lists.sourceforge.net; Thu, 04 Dec 2014 14:03:57 +0000 Date: Thu, 4 Dec 2014 15:03:44 +0100 From: Cyril Hrubis Message-ID: <20141204140344.GA32277@rei.suse.de> References: <548063A8.4060104@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <548063A8.4060104@gmail.com> Subject: Re: [LTP] min_free_kbytes incorrect results 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: Viorel-C??t??lin R??pi??eanu Cc: ltp-list@lists.sourceforge.net Hi! > I've been running 'min_free_kbytes' from 'runtest/mm', but everytime I'm > getting an incorrect value on read. I've tried this test on different > machines (different architectures) and with different versions of ltp, > but I'm getting the same error on read. I've looked at the test, but the > code seems fine. If anybody has any ideea why this isn't working please > let me know. > > The following log was generated using an up-to-date Arch Linux x64 using > kernel: 3.17.4-1 > ------------------------------------------------------------------------------------------------- > min_free_kbytes 0 TINFO : set overcommit_memory to 2 > min_free_kbytes 0 TINFO : set min_free_kbytes to 67584 > min_free_kbytes 1 TBROK : min_free_kbytes = 6, but expect 67584 This failure comes from function set_sys_tune() from testcases/kernel/mem/lib/mem.c What the code does is to write to the specified file in /sys and then reads it back to verify its content. And it looks like the number read back is truncated so something seems to be broken. -- Cyril Hrubis chrubis@suse.cz ------------------------------------------------------------------------------ Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration & more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151&iu=/4140/ostg.clktrk _______________________________________________ Ltp-list mailing list Ltp-list@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ltp-list