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Tue, 30 Aug 2022 06:32:18 +0000 Received: from MW4PR11MB5933.namprd11.prod.outlook.com ([fe80::5d19:fbdf:562:ac80]) by MW4PR11MB5933.namprd11.prod.outlook.com ([fe80::5d19:fbdf:562:ac80%5]) with mapi id 15.20.5566.021; Tue, 30 Aug 2022 06:32:18 +0000 Message-ID: <4b5d1c96-44c5-e8bb-01d8-9f9c72621d0d@intel.com> Date: Tue, 30 Aug 2022 14:32:10 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Firefox/91.0 Thunderbird/91.13.0 Subject: Re: [LKP] [btrfs] ca6dee6b79: fxmark.ssd_btrfs_MWRM_72_bufferedio.works/sec -8.4% regression Content-Language: en-US From: Yujie Liu To: Filipe Manana CC: , , David Sterba , Anand Jain , Nikolay Borisov , , , , References: <20220830030032.GA2884@inn2.lkp.intel.com> In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-ClientProxiedBy: SGBP274CA0022.SGPP274.PROD.OUTLOOK.COM (2603:1096:4:b0::34) To MW4PR11MB5933.namprd11.prod.outlook.com (2603:10b6:303:16a::15) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 0459ab58-a240-4462-841f-08da8a5162f4 X-MS-TrafficTypeDiagnostic: DM6PR11MB3210:EE_ X-LD-Processed: 46c98d88-e344-4ed4-8496-4ed7712e255d,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Thanks for your comment that it is an expected result due to heavy rename. https://lore.kernel.org/all/Ysb4T7Z8hKgdvPRk@xsang-OptiPlex-9020/ This report is due to the patch being merged into mainline, if it is still the same case, please ignore this duplicate report. Sorry for the inconvenience. -- Thanks, Yujie On 8/30/2022 11:17, kernel test robot wrote: > Greeting, > > FYI, we noticed a -8.4% regression of fxmark.ssd_btrfs_MWRM_72_bufferedio.works/sec due to commit: > > > commit: ca6dee6b7946794fa340a7290ca399a50b61705f ("btrfs: balance btree dirty pages and delayed items after a rename") > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master > > in testcase: fxmark > on test machine: 128 threads 2 sockets Intel(R) Xeon(R) Platinum 8358 CPU @ 2.60GHz (Ice Lake) with 128G memory > with following parameters: > >     disk: 1SSD >     media: ssd >     test: MWRM >     fstype: btrfs >     directio: bufferedio >     cpufreq_governor: performance >     ucode: 0xd000363 > > test-description: FxMark is a filesystem benchmark that test multicore scalability. > test-url: https://github.com/sslab-gatech/fxmark > > > ========================================================================================= > compiler/cpufreq_governor/directio/disk/fstype/kconfig/media/rootfs/tbox_group/test/testcase/ucode: >   gcc-11/performance/bufferedio/1SSD/btrfs/x86_64-rhel-8.3/ssd/debian-11.1-x86_64-20220510.cgz/lkp-icl-2sp5/MWRM/fxmark/0xd000363 > > commit: >   b8bea09a45 ("btrfs: add trace event for submitted RAID56 bio") >   ca6dee6b79 ("btrfs: balance btree dirty pages and delayed items after a rename") > > b8bea09a456fc31a ca6dee6b7946794fa340a7290ca > ---------------- --------------------------- >          %stddev     %change         %stddev >              \          |                \ >    1821853           -13.9%    1568247 ±  3%  fxmark.ssd_btrfs_MWRM_36_bufferedio.works >      36436           -13.9%      31362 ±  3%  fxmark.ssd_btrfs_MWRM_36_bufferedio.works/sec >    1675102           -14.0%    1439994 ±  7%  fxmark.ssd_btrfs_MWRM_54_bufferedio.works >      33497           -14.0%      28796 ±  7%  fxmark.ssd_btrfs_MWRM_54_bufferedio.works/sec >    1572332            -8.4%    1440600 ±  6%  fxmark.ssd_btrfs_MWRM_72_bufferedio.works >      31445            -8.4%      28809 ±  6%  fxmark.ssd_btrfs_MWRM_72_bufferedio.works/sec >     356010           +80.0%     640832        fxmark.time.involuntary_context_switches >      68.50           -24.1%      52.00        fxmark.time.percent_of_cpu_this_job_got >     630.47           -24.0%     479.23        fxmark.time.system_time >  1.335e+10           +49.8%      2e+10        cpuidle..time >       1045 ±  4%     +11.8%       1168        uptime.idle >      31.54           +50.2%      47.37        iostat.cpu.idle >      64.16           -24.7%      48.29        iostat.cpu.system >      31.17           +50.3%      46.83        vmstat.cpu.id >      12.83 ±  5%     -55.8%       5.67 ±  8%  vmstat.procs.r >      32.13           +15.8       47.95        mpstat.cpu.all.idle% >       0.47 ±  7%      +0.1        0.53 ±  3%  mpstat.cpu.all.iowait% >      63.37           -16.1       47.31        mpstat.cpu.all.sys% >      10.04 ±  3%     +13.5%      11.39 ±  3%  perf-stat.i.metric.K/sec >     869.81 ± 10%     -16.2%     728.74 ± 15%  perf-stat.i.node-loads >     871.23 ± 10%     -16.2%     730.49 ± 15%  perf-stat.ps.node-loads >       3004 ±  8%     -52.1%       1440 ±  6%  numa-meminfo.node0.Active(anon) >    1218568           -10.8%    1086453        numa-meminfo.node0.Inactive >     351812 ±  3%     -29.0%     249640 ± 12%  numa-meminfo.node0.Inactive(anon) >     120150           -79.3%      24861 ±  3%  numa-meminfo.node0.Shmem >       3489 ±  8%     -45.0%       1919 ±  2%  meminfo.Active(anon) >     492107           -19.0%     398809        meminfo.Committed_AS >     382253           -24.6%     288151        meminfo.Inactive(anon) >     124727           -76.8%      28886 ±  2%  meminfo.Shmem >       2050 ±  4%     -10.5%       1834 ±  5%  meminfo.Writeback >     750.83 ±  8%     -52.1%     360.00 ±  6%  numa-vmstat.node0.nr_active_anon >      87951 ±  3%     -29.0%      62408 ± 12%  numa-vmstat.node0.nr_inactive_anon >      30038           -79.3%       6216 ±  3%  numa-vmstat.node0.nr_shmem >     750.83 ±  8%     -52.1%     360.00 ±  6%  numa-vmstat.node0.nr_zone_active_anon >      87951 ±  3%     -29.0%      62408 ± 12%  numa-vmstat.node0.nr_zone_inactive_anon >    7554028 ±  3%     -71.2%    2174126 ±  5%  sched_debug.cfs_rq:/.min_vruntime.avg >    7640393 ±  3%     -70.5%    2254050 ±  5%  sched_debug.cfs_rq:/.min_vruntime.max >    7291209 ±  3%     -73.6%    1926973 ±  5%  sched_debug.cfs_rq:/.min_vruntime.min >     873.62 ±  7%     -19.2%     705.68 ± 10%  sched_debug.cfs_rq:/.runnable_avg.avg >     790.32 ±  7%     -21.4%     621.34 ± 12%  sched_debug.cfs_rq:/.runnable_avg.min >     747.11 ±  3%     -22.7%     577.37 ±  3%  sched_debug.cfs_rq:/.util_avg.avg >     670.92 ±  5%     -25.2%     501.70 ±  2%  sched_debug.cfs_rq:/.util_avg.min >     409.44 ±  9%     -35.1%     265.80 ± 21%  sched_debug.cfs_rq:/.util_est_enqueued.avg >     789.44 ±  3%     -20.1%     630.53 ±  5%  sched_debug.cfs_rq:/.util_est_enqueued.max >       0.00 ± 13%     -67.3%       0.00 ± 22%  sched_debug.cpu.next_balance.stddev >     872.67 ±  8%     -45.0%     479.83 ±  2%  proc-vmstat.nr_active_anon >    1801345            -1.7%    1771330        proc-vmstat.nr_file_pages >      95550           -24.6%      72037        proc-vmstat.nr_inactive_anon >       8752            -3.7%       8426        proc-vmstat.nr_mapped >      31169           -76.8%       7221 ±  2%  proc-vmstat.nr_shmem >     872.67 ±  8%     -45.0%     479.83 ±  2%  proc-vmstat.nr_zone_active_anon >      95550           -24.6%      72037        proc-vmstat.nr_zone_inactive_anon >       9553 ± 10%     -16.8%       7950 ±  3%  proc-vmstat.numa_hint_faults >   18886391            -3.6%   18207624        proc-vmstat.numa_hit >   18770999            -3.6%   18091363        proc-vmstat.numa_local >    7398756            -4.0%    7105675        proc-vmstat.pgactivate >   18885154            -3.6%   18206666        proc-vmstat.pgalloc_normal >    7248262            -4.3%    6933915 ±  2%  proc-vmstat.pgdeactivate >   18894473            -3.4%   18243898        proc-vmstat.pgfree >    7829962            -3.0%    7596447 ±  2%  proc-vmstat.pgrotated > > > If you fix the issue, kindly add following tag > Reported-by: kernel test robot > > > To reproduce: > >         git clone https://github.com/intel/lkp-tests.git >         cd lkp-tests >         sudo bin/lkp install job.yaml           # job file is attached in this email >         bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run >         sudo bin/lkp run generated-yaml-file > >         # if come across any failure that blocks the test, >         # please remove ~/.lkp and /lkp dir to run from a clean state. > > > Disclaimer: > Results have been estimated based on internal Intel analysis and are provided > for informational purposes only. Any difference in system hardware or software > design or configuration may affect actual performance. > > > #regzbot introduced: ca6dee6b79 > > > > _______________________________________________ > LKP mailing list -- lkp@lists.01.org > To unsubscribe send an email to lkp-leave@lists.01.org