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Date: Wed, 14 Mar 2018 12:32:50 +0000 From: Evgeniy Didin <Evgeniy.Didin@...opsys.com> To: "adrian.hunter@...el.com" <adrian.hunter@...el.com> CC: "jh80.chung@...sung.com" <jh80.chung@...sung.com>, "Alexey.Brodkin@...opsys.com" <Alexey.Brodkin@...opsys.com>, "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>, "adilger.kernel@...ger.ca" <adilger.kernel@...ger.ca>, "Eugeniy.Paltsev@...opsys.com" <Eugeniy.Paltsev@...opsys.com>, "linus.walleij@...aro.org" <linus.walleij@...aro.org>, "linux-snps-arc@...ts.infradead.org" <linux-snps-arc@...ts.infradead.org>, "ulf.hansson@...aro.org" <ulf.hansson@...aro.org>, "tytso@....edu" <tytso@....edu>, "linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org> Subject: Re: mmc: block: bonnie++ runs with errors on arc/hsdk board Hi Adrian, > > > > Was the performance affected? i.e. the results from bonnie++ > > I have run bonnie++ several times before and after mentioned commit. Here is output: > --------------------------------------------------<8------------------------------------------------------------------------- > Before commit: > ARCLinux,512M,6442,50,7211,0,5333,0,12954,99,345638,100,+++++,+++,16,22322,100,+++++,+++,32735,99,22921,100,+++++,+++,32211,100 > ARCLinux,512M,6611,51,7248,0,5162,0,12951,99,344763,99,+++++,+++,16,22649,99,+++++,+++,32723,99,22572,100,+++++,+++,31697,100 > ARCLinux,512M,6597,52,7307,0,5368,0,12934,99,343987,99,+++++,+++,16,22775,100,+++++,+++,32713,99,22832,100,+++++,+++,31899,99 > After commit: > ARCLinux,512M,4453,36,6474,1,5852,0,12940,99,344329,100,+++++,+++,16,22168,98,+++++,+++,32760,99,22755,100,+++++,+++,32205,100 > ARCLinux,512M,5159,42,6944,1,5658,0,12945,99,344290,100,+++++,+++,16,22295,100,+++++,+++,32715,99,22888,99,+++++,+++,32007,99 > ARCLinux,512M,5170,42,6840,2,5315,0,12946,99,343889,100,+++++,+++,16,22445,100,+++++,+++,32681,99,22967,100,+++++,+++,32117,99 > --------------------------------------------------<8------------------------------------------------------------------------ > ^^^^ > If i understand correctly, in third column is shown "sequential output" per character speed (K/sec), which decreased. > > > What mount options did you use? > > I didn't use any options. Simply: > # mount /dev/mmcblk0p1 /mnt Note that the file system on SDcard was ext4. Best regards, Evgeniy Didin
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