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Fri, 27 May 2022 06:50:30 -0700 (PDT) Received: from [192.168.1.172] ([207.135.234.126]) by smtp.gmail.com with ESMTPSA id a4-20020a056e0208a400b002d1a5afa79bsm1281521ilt.86.2022.05.27.06.50.29 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 27 May 2022 06:50:29 -0700 (PDT) Message-ID: <2085bfef-a91c-8adb-402b-242e8c5d5c55@kernel.dk> Date: Fri, 27 May 2022 07:50:27 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux aarch64; rv:91.0) Gecko/20100101 Thunderbird/91.9.0 Subject: Re: [io_uring] 584b0180f0: phoronix-test-suite.fio.SequentialWrite.IO_uring.Yes.Yes.1MB.DefaultTestDirectory.mb_s -10.2% regression Content-Language: en-US To: kernel test robot Cc: LKML , io-uring@vger.kernel.org, lkp@lists.01.org, lkp@intel.com, ying.huang@intel.com, feng.tang@intel.com, zhengjun.xing@linux.intel.com, fengwei.yin@intel.com, guobing.chen@intel.com, ming.a.chen@intel.com, frank.du@intel.com, Shuhua.Fan@intel.com, wangyang.guo@intel.com, Wenhuan.Huang@intel.com, jessica.ji@intel.com, shan.kang@intel.com, guangli.li@intel.com, tiejun.li@intel.com, yu.ma@intel.com, dapeng1.mi@intel.com, jiebin.sun@intel.com, gengxin.xie@intel.com, fan.zhao@intel.com References: <20220527092432.GE11731@xsang-OptiPlex-9020> From: Jens Axboe In-Reply-To: <20220527092432.GE11731@xsang-OptiPlex-9020> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On 5/27/22 3:24 AM, kernel test robot wrote: > > > Greeting, > > FYI, we noticed a -10.2% regression of phoronix-test-suite.fio.SequentialWrite.IO_uring.Yes.Yes.1MB.DefaultTestDirectory.mb_s due to commit: > > > commit: 584b0180f0f4d67d7145950fe68c625f06c88b10 ("io_uring: move read/write file prep state into actual opcode handler") > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master > > in testcase: phoronix-test-suite > on test machine: 96 threads 2 sockets Intel(R) Xeon(R) Gold 6252 CPU @ 2.10GHz with 512G memory > with following parameters: > > test: fio-1.14.1 > option_a: Sequential Write > option_b: IO_uring > option_c: Yes > option_d: Yes > option_e: 1MB > option_f: Default Test Directory > cpufreq_governor: performance > ucode: 0x500320a > > test-description: The Phoronix Test Suite is the most comprehensive testing and benchmarking platform available that provides an extensible framework for which new tests can be easily added. > test-url: http://www.phoronix-test-suite.com/ I'm a bit skeptical on this, but I'd like to try and run the test case. Since it's just a fio test case, why can't I find it somewhere? Seems very convoluted to have to setup lkp-tests just for this. Besides, I tried, but it doesn't work on aarch64... -- Jens Axboe