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6a1803df08f44-6ae116bf4d8mr5393436d6.60.1717052662119; Thu, 30 May 2024 00:04:22 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <202405291318.4dfbb352-oliver.sang@intel.com> In-Reply-To: <202405291318.4dfbb352-oliver.sang@intel.com> From: Yafang Shao Date: Thu, 30 May 2024 15:03:45 +0800 Message-ID: Subject: Re: [linus:master] [vfs] 681ce86235: filebench.sum_operations/s -7.4% regression To: kernel test robot Cc: oe-lkp@lists.linux.dev, lkp@intel.com, linux-kernel@vger.kernel.org, Linus Torvalds , Al Viro , Christian Brauner , Jan Kara , Waiman Long , Matthew Wilcox , Wangkai , Colin Walters , linux-fsdevel@vger.kernel.org, ying.huang@intel.com, feng.tang@intel.com, fengwei.yin@intel.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Wed, May 29, 2024 at 1:52=E2=80=AFPM kernel test robot wrote: > > > hi, Yafang Shao, > > we captured this filebench regression after this patch is merged into mai= line. > > we noticed there is difference with original version in > https://lore.kernel.org/all/20240515091727.22034-1-laoar.shao@gmail.com/ > > but we confirmed there is similar regression by origial version. details = as > below [1] FYI. > > > > Hello, > > kernel test robot noticed a -7.4% regression of filebench.sum_operations/= s on: > > > commit: 681ce8623567ba7e7333908e9826b77145312dda ("vfs: Delete the associ= ated dentry when deleting a file") > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master > > > [still regression on linus/master 2bfcfd584ff5ccc8bb7acde19b42570414bf880= b] > > > testcase: filebench > test machine: 128 threads 2 sockets Intel(R) Xeon(R) Platinum 8358 CPU @ = 2.60GHz (Ice Lake) with 128G memory > parameters: > > disk: 1HDD > fs: ext4 > test: webproxy.f > cpufreq_governor: performance > > > > > If you fix the issue in a separate patch/commit (i.e. not just a new vers= ion of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot > | Closes: https://lore.kernel.org/oe-lkp/202405291318.4dfbb352-oliver.san= g@intel.com > > > Details are as below: > -------------------------------------------------------------------------= -------------------------> > > > The kernel config and materials to reproduce are available at: > https://download.01.org/0day-ci/archive/20240529/202405291318.4dfbb352-ol= iver.sang@intel.com > > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > compiler/cpufreq_governor/disk/fs/kconfig/rootfs/tbox_group/test/testcase= : > gcc-13/performance/1HDD/ext4/x86_64-rhel-8.3/debian-12-x86_64-20240206.= cgz/lkp-icl-2sp6/webproxy.f/filebench > > commit: > 29c73fc794 ("Merge tag 'perf-tools-for-v6.10-1-2024-05-21' of git://git= kernel.org/pub/scm/linux/kernel/git/perf/perf-tools") > 681ce86235 ("vfs: Delete the associated dentry when deleting a file") > > 29c73fc794c83505 681ce8623567ba7e7333908e982 > ---------------- --------------------------- > %stddev %change %stddev > \ | \ > 31537383 =C4=85 2% -75.1% 7846497 =C4=85 4% cpuidle..usage > 27.21 +1.4% 27.59 iostat.cpu.system > 3830823 =C4=85 5% -16.2% 3208825 =C4=85 4% numa-numastat.nod= e1.local_node > 3916065 =C4=85 5% -16.3% 3277633 =C4=85 3% numa-numastat.nod= e1.numa_hit > 455641 -74.2% 117514 =C4=85 4% vmstat.system.cs > 90146 -34.9% 58712 vmstat.system.in > 0.14 -0.0 0.12 =C4=85 2% mpstat.cpu.all.irq% > 0.07 -0.0 0.04 =C4=85 2% mpstat.cpu.all.soft% > 0.56 -0.2 0.36 =C4=85 2% mpstat.cpu.all.usr% > 2038 =C4=85 6% -25.8% 1511 =C4=85 3% perf-c2c.DRAM.loc= al > 20304 =C4=85 14% -62.9% 7523 =C4=85 2% perf-c2c.DRAM.rem= ote > 18850 =C4=85 16% -71.0% 5470 =C4=85 2% perf-c2c.HITM.loc= al > 13220 =C4=85 15% -68.1% 4218 =C4=85 3% perf-c2c.HITM.rem= ote > 32070 =C4=85 15% -69.8% 9688 =C4=85 2% perf-c2c.HITM.tot= al > 191435 =C4=85 7% +37.3% 262935 =C4=85 11% sched_debug.cfs_r= q:/.avg_vruntime.stddev > 191435 =C4=85 7% +37.3% 262935 =C4=85 11% sched_debug.cfs_r= q:/.min_vruntime.stddev > 285707 -72.1% 79601 =C4=85 11% sched_debug.cpu.nr_swi= tches.avg > 344088 =C4=85 2% -69.8% 103953 =C4=85 9% sched_debug.cpu.n= r_switches.max > 206926 =C4=85 8% -73.0% 55912 =C4=85 15% sched_debug.cpu.n= r_switches.min > 26177 =C4=85 10% -63.9% 9453 =C4=85 10% sched_debug.cpu.n= r_switches.stddev > 5.00 =C4=85 9% +21.2% 6.06 =C4=85 6% sched_debug.cpu.n= r_uninterruptible.stddev > 497115 =C4=85 40% -44.8% 274644 =C4=85 44% numa-meminfo.node= 0.AnonPages > 2037838 =C4=85 26% -78.4% 440153 =C4=85 49% numa-meminfo.node= 1.Active > 2001934 =C4=85 26% -79.8% 405182 =C4=85 52% numa-meminfo.node= 1.Active(anon) > 527723 =C4=85 38% +42.4% 751463 =C4=85 16% numa-meminfo.node= 1.AnonPages > 3853109 =C4=85 35% -85.5% 559704 =C4=85 33% numa-meminfo.node= 1.FilePages > 93331 =C4=85 18% -58.7% 38529 =C4=85 22% numa-meminfo.node= 1.Mapped > 5189577 =C4=85 27% -61.5% 1999161 =C4=85 13% numa-meminfo.node= 1.MemUsed > 2014284 =C4=85 26% -78.2% 439808 =C4=85 51% numa-meminfo.node= 1.Shmem > 123485 =C4=85 41% -45.0% 67888 =C4=85 44% numa-vmstat.node0= nr_anon_pages > 500704 =C4=85 26% -79.8% 101309 =C4=85 52% numa-vmstat.node1= nr_active_anon > 131174 =C4=85 38% +42.6% 187092 =C4=85 16% numa-vmstat.node1= nr_anon_pages > 963502 =C4=85 35% -85.5% 139952 =C4=85 33% numa-vmstat.node1= nr_file_pages > 23724 =C4=85 18% -59.2% 9690 =C4=85 22% numa-vmstat.node1= nr_mapped > 503779 =C4=85 26% -78.2% 109954 =C4=85 51% numa-vmstat.node1= nr_shmem > 500704 =C4=85 26% -79.8% 101309 =C4=85 52% numa-vmstat.node1= nr_zone_active_anon > 3915420 =C4=85 5% -16.3% 3276906 =C4=85 3% numa-vmstat.node1= numa_hit > 3830177 =C4=85 5% -16.2% 3208097 =C4=85 4% numa-vmstat.node1= numa_local > 2431824 -65.5% 839190 =C4=85 4% meminfo.Active > 2357128 -67.3% 770208 =C4=85 4% meminfo.Active(anon) > 74695 =C4=85 3% -7.6% 68981 =C4=85 2% meminfo.Active(fi= le) > 5620559 -27.6% 4067556 meminfo.Cached > 3838924 -40.4% 2286726 meminfo.Committed_AS > 25660 =C4=85 19% +25.8% 32289 =C4=85 5% meminfo.Inactive(= file) > 141631 =C4=85 5% -32.4% 95728 =C4=85 4% meminfo.Mapped > 8334057 -18.6% 6783406 meminfo.Memused > 2390655 -64.9% 837973 =C4=85 4% meminfo.Shmem > 9824314 -15.2% 8328190 meminfo.max_used_kB > 1893 -7.4% 1752 filebench.sum_bytes_mb/s > 45921381 -7.4% 42512980 filebench.sum_operations > 765287 -7.4% 708444 filebench.sum_operations/s > 201392 -7.4% 186432 filebench.sum_reads/s > 0.04 +263.5% 0.14 filebench.sum_time_ms/op > 40278 -7.4% 37286 filebench.sum_writes/s > 48591837 -7.4% 44996528 filebench.time.file_system_= outputs > 6443 =C4=85 3% -88.7% 729.10 =C4=85 4% filebench.time.in= voluntary_context_switches > 3556 +1.4% 3605 filebench.time.percent_of_c= pu_this_job_got > 5677 +2.1% 5798 filebench.time.system_time > 99.20 -41.4% 58.09 =C4=85 2% filebench.time.user_ti= me > 37526666 -74.5% 9587296 =C4=85 4% filebench.time.volunta= ry_context_switches > 589410 -67.3% 192526 =C4=85 4% proc-vmstat.nr_active_= anon > 18674 =C4=85 3% -7.6% 17253 =C4=85 2% proc-vmstat.nr_ac= tive_file > 6075100 -7.4% 5625692 proc-vmstat.nr_dirtied > 3065571 +1.3% 3104313 proc-vmstat.nr_dirty_backgr= ound_threshold > 6138638 +1.3% 6216217 proc-vmstat.nr_dirty_thresh= old > 1407207 -27.6% 1019126 proc-vmstat.nr_file_pages > 30829764 +1.3% 31217496 proc-vmstat.nr_free_pages > 262267 +3.4% 271067 proc-vmstat.nr_inactive_ano= n > 6406 =C4=85 19% +26.1% 8076 =C4=85 5% proc-vmstat.nr_in= active_file > 35842 =C4=85 5% -32.2% 24284 =C4=85 4% proc-vmstat.nr_ma= pped > 597809 -65.0% 209518 =C4=85 4% proc-vmstat.nr_shmem > 32422 -3.3% 31365 proc-vmstat.nr_slab_reclaim= able > 589410 -67.3% 192526 =C4=85 4% proc-vmstat.nr_zone_ac= tive_anon > 18674 =C4=85 3% -7.6% 17253 =C4=85 2% proc-vmstat.nr_zo= ne_active_file > 262267 +3.4% 271067 proc-vmstat.nr_zone_inactiv= e_anon > 6406 =C4=85 19% +26.1% 8076 =C4=85 5% proc-vmstat.nr_zo= ne_inactive_file > 100195 =C4=85 10% -54.0% 46112 =C4=85 10% proc-vmstat.numa_= hint_faults > 48654 =C4=85 9% -50.1% 24286 =C4=85 13% proc-vmstat.numa_= hint_faults_local > 7506558 -12.4% 6577262 proc-vmstat.numa_hit > 7373151 -12.6% 6444638 proc-vmstat.numa_local > 803560 =C4=85 4% -6.4% 752097 =C4=85 5% proc-vmstat.numa_= pte_updates > 4259084 -3.8% 4098506 proc-vmstat.pgactivate > 7959837 -11.3% 7064279 proc-vmstat.pgalloc_normal > 870736 -9.4% 789267 proc-vmstat.pgfault > 7181295 -5.6% 6775640 proc-vmstat.pgfree > 1.96 =C4=85 2% -36.9% 1.23 perf-stat.i.MPKI > 3.723e+09 +69.5% 6.309e+09 perf-stat.i.branch-instruct= ions > 2.70 -0.0 2.66 perf-stat.i.branch-miss-rat= e% > 16048312 -38.4% 9889213 perf-stat.i.branch-misses > 16.44 -2.0 14.42 perf-stat.i.cache-miss-rate= % > 43146188 -47.3% 22744395 =C4=85 2% perf-stat.i.cache-miss= es > 1.141e+08 -39.8% 68732731 perf-stat.i.cache-reference= s > 465903 -75.4% 114745 =C4=85 4% perf-stat.i.context-sw= itches > 4.11 -36.6% 2.61 perf-stat.i.cpi > 1.22e+11 -5.2% 1.157e+11 perf-stat.i.cpu-cycles > 236.15 -18.3% 192.90 perf-stat.i.cpu-migrations > 1997 =C4=85 2% +40.1% 2798 perf-stat.i.cycles-bet= ween-cache-misses > 1.644e+10 +90.3% 3.13e+10 perf-stat.i.instructions > 0.38 +14.7% 0.43 perf-stat.i.ipc > 3.63 -75.7% 0.88 =C4=85 4% perf-stat.i.metric.K/s= ec > 4592 =C4=85 2% -11.6% 4057 perf-stat.i.minor-faul= ts > 4592 =C4=85 2% -11.6% 4057 perf-stat.i.page-fault= s > 2.62 -72.3% 0.73 =C4=85 2% perf-stat.overall.MPKI > 0.43 -0.3 0.16 perf-stat.overall.branch-mi= ss-rate% > 37.79 -4.6 33.22 perf-stat.overall.cache-mis= s-rate% > 7.41 -50.1% 3.70 perf-stat.overall.cpi > 2827 +80.1% 5092 =C4=85 2% perf-stat.overall.cycl= es-between-cache-misses > 0.13 +100.5% 0.27 perf-stat.overall.ipc > 3.693e+09 +77.2% 6.544e+09 perf-stat.ps.branch-instruc= tions > 15913729 -36.1% 10173711 perf-stat.ps.branch-misses > 42783592 -44.9% 23577137 =C4=85 2% perf-stat.ps.cache-mis= ses > 1.132e+08 -37.3% 70963587 perf-stat.ps.cache-referenc= es > 461953 -74.2% 118964 =C4=85 4% perf-stat.ps.context-s= witches > 234.44 -17.3% 193.77 perf-stat.ps.cpu-migrations > 1.632e+10 +99.0% 3.246e+10 perf-stat.ps.instructions > 4555 =C4=85 2% -10.9% 4060 perf-stat.ps.minor-fau= lts > 4555 =C4=85 2% -10.9% 4060 perf-stat.ps.page-faul= ts > 2.659e+12 +99.2% 5.299e+12 perf-stat.total.instruction= s > > > > [1] > > for patch in > https://lore.kernel.org/all/20240515091727.22034-1-laoar.shao@gmail.com/ > > we apply it upon > 3c999d1ae3 ("Merge tag 'wq-for-6.10' of git://git.kernel.org/pub/scm/li= nux/kernel/git/tj/wq") > > there is similar regression > > > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > compiler/cpufreq_governor/disk/fs/kconfig/rootfs/tbox_group/test/testcase= : > gcc-13/performance/1HDD/ext4/x86_64-rhel-8.3/debian-12-x86_64-20240206.= cgz/lkp-icl-2sp6/webproxy.f/filebench > > commit: > 3c999d1ae3 ("Merge tag 'wq-for-6.10' of git://git.kernel.org/pub/scm/li= nux/kernel/git/tj/wq") > 3681ce3644 ("vfs: Delete the associated dentry when deleting a file") > > 3c999d1ae3c75991 3681ce364442ce2ec7c7fbe90ad > ---------------- --------------------------- > %stddev %change %stddev > \ | \ > 31.06 +2.8% 31.94 boot-time.boot > 30573542 =C4=85 2% -77.0% 7043084 =C4=85 5% cpuidle..usage > 27.25 +1.3% 27.61 iostat.cpu.system > 0.14 -0.0 0.12 mpstat.cpu.all.irq% > 0.07 -0.0 0.04 mpstat.cpu.all.soft% > 0.56 -0.2 0.34 =C4=85 2% mpstat.cpu.all.usr% > 0.29 =C4=85100% -77.4% 0.07 =C4=85 28% vmstat.procs.b > 448491 =C4=85 2% -76.3% 106251 =C4=85 5% vmstat.system.cs > 90174 -36.5% 57279 vmstat.system.in > 3460368 =C4=85 4% -10.3% 3103696 =C4=85 4% numa-numastat.nod= e0.local_node > 3522472 =C4=85 4% -9.2% 3197492 =C4=85 3% numa-numastat.nod= e0.numa_hit > 3928489 =C4=85 4% -17.7% 3232163 =C4=85 3% numa-numastat.nod= e1.local_node > 3998985 =C4=85 3% -18.2% 3270980 =C4=85 3% numa-numastat.nod= e1.numa_hit > 1968 =C4=85 5% -23.2% 1511 perf-c2c.DRAM.local > 16452 =C4=85 22% -54.2% 7541 =C4=85 4% perf-c2c.DRAM.rem= ote > 14780 =C4=85 26% -64.0% 5321 =C4=85 4% perf-c2c.HITM.loc= al > 10689 =C4=85 24% -60.1% 4262 =C4=85 5% perf-c2c.HITM.rem= ote > 25469 =C4=85 25% -62.4% 9584 =C4=85 4% perf-c2c.HITM.tot= al > 196899 =C4=85 10% +31.1% 258125 =C4=85 11% sched_debug.cfs_r= q:/.avg_vruntime.stddev > 196899 =C4=85 10% +31.1% 258125 =C4=85 11% sched_debug.cfs_r= q:/.min_vruntime.stddev > 299051 =C4=85 12% -76.0% 71664 =C4=85 15% sched_debug.cpu.n= r_switches.avg > 355466 =C4=85 11% -73.4% 94490 =C4=85 14% sched_debug.cpu.n= r_switches.max > 219349 =C4=85 12% -76.6% 51435 =C4=85 12% sched_debug.cpu.n= r_switches.min > 25523 =C4=85 11% -67.4% 8322 =C4=85 18% sched_debug.cpu.n= r_switches.stddev > 36526 =C4=85 4% -16.4% 30519 =C4=85 6% numa-meminfo.node= 0.Active(file) > 897165 =C4=85 14% -26.7% 657740 =C4=85 9% numa-meminfo.node= 0.AnonPages.max > 23571 =C4=85 10% -14.5% 20159 =C4=85 10% numa-meminfo.node= 0.Dirty > 2134726 =C4=85 10% -76.9% 493176 =C4=85 35% numa-meminfo.node= 1.Active > 2096208 =C4=85 11% -78.3% 455673 =C4=85 38% numa-meminfo.node= 1.Active(anon) > 965352 =C4=85 13% +23.5% 1192437 =C4=85 2% numa-meminfo.node= 1.AnonPages.max > 18386 =C4=85 17% +23.8% 22761 =C4=85 4% numa-meminfo.node= 1.Inactive(file) > 2108104 =C4=85 11% -76.7% 492042 =C4=85 37% numa-meminfo.node= 1.Shmem > 2395006 =C4=85 2% -67.4% 779863 =C4=85 3% meminfo.Active > 2319964 =C4=85 2% -69.3% 711848 =C4=85 4% meminfo.Active(an= on) > 75041 =C4=85 2% -9.4% 68015 =C4=85 2% meminfo.Active(fi= le) > 5583921 -28.3% 4002297 meminfo.Cached > 3802632 -41.5% 2224370 meminfo.Committed_AS > 28940 =C4=85 5% +13.6% 32890 =C4=85 4% meminfo.Inactive(= file) > 134576 =C4=85 6% -31.2% 92641 =C4=85 3% meminfo.Mapped > 8310087 -19.2% 6718172 meminfo.Memused > 2354275 =C4=85 2% -67.1% 775732 =C4=85 4% meminfo.Shmem > 9807659 -15.7% 8271698 meminfo.max_used_kB > 1903 -9.3% 1725 filebench.sum_bytes_mb/s > 46168615 -9.4% 41846487 filebench.sum_operations > 769403 -9.4% 697355 filebench.sum_operations/s > 202475 -9.4% 183514 filebench.sum_reads/s > 0.04 +268.3% 0.14 filebench.sum_time_ms/op > 40495 -9.4% 36703 filebench.sum_writes/s > 48846906 -9.3% 44298468 filebench.time.file_system_= outputs > 6633 -89.4% 701.33 =C4=85 6% filebench.time.involun= tary_context_switches > 3561 +1.3% 3607 filebench.time.percent_of_c= pu_this_job_got > 5686 +2.1% 5804 filebench.time.system_time > 98.62 -44.2% 55.04 =C4=85 2% filebench.time.user_ti= me > 36939924 =C4=85 2% -76.6% 8653175 =C4=85 5% filebench.time.vo= luntary_context_switches > 9134 =C4=85 4% -16.5% 7628 =C4=85 6% numa-vmstat.node0= nr_active_file > 3141362 =C4=85 3% -11.5% 2780445 =C4=85 4% numa-vmstat.node0= nr_dirtied > 9134 =C4=85 4% -16.5% 7628 =C4=85 6% numa-vmstat.node0= nr_zone_active_file > 3522377 =C4=85 4% -9.2% 3197360 =C4=85 3% numa-vmstat.node0= numa_hit > 3460272 =C4=85 4% -10.3% 3103565 =C4=85 4% numa-vmstat.node0= numa_local > 524285 =C4=85 11% -78.3% 113936 =C4=85 38% numa-vmstat.node1= nr_active_anon > 4630 =C4=85 17% +22.6% 5674 =C4=85 4% numa-vmstat.node1= nr_inactive_file > 527242 =C4=85 11% -76.7% 123018 =C4=85 37% numa-vmstat.node1= nr_shmem > 524285 =C4=85 11% -78.3% 113936 =C4=85 38% numa-vmstat.node1= nr_zone_active_anon > 4630 =C4=85 17% +22.5% 5674 =C4=85 4% numa-vmstat.node1= nr_zone_inactive_file > 3998675 =C4=85 3% -18.2% 3270307 =C4=85 3% numa-vmstat.node1= numa_hit > 3928179 =C4=85 4% -17.7% 3231491 =C4=85 3% numa-vmstat.node1= numa_local > 1.82 =C4=85 18% -0.5 1.28 =C4=85 16% perf-profile.call= trace.cycles-pp.mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscal= l_64 > 1.58 =C4=85 8% -0.5 1.13 =C4=85 18% perf-profile.call= trace.cycles-pp.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwfram= e > 1.53 =C4=85 9% -0.4 1.13 =C4=85 18% perf-profile.call= trace.cycles-pp.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_6= 4_after_hwframe > 2.05 =C4=85 7% -0.3 1.76 =C4=85 11% perf-profile.call= trace.cycles-pp.update_sd_lb_stats.sched_balance_find_src_group.sched_balan= ce_rq.sched_balance_newidle.balance_fair > 3.80 =C4=85 5% -0.3 3.52 =C4=85 5% perf-profile.call= trace.cycles-pp.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm > 2.11 =C4=85 11% +0.3 2.39 =C4=85 4% perf-profile.call= trace.cycles-pp.sched_setaffinity.evlist_cpu_iterator__next.read_counters.p= rocess_interval.dispatch_events > 3.55 =C4=85 10% +0.3 3.86 =C4=85 4% perf-profile.call= trace.cycles-pp.exc_page_fault.asm_exc_page_fault > 2.63 =C4=85 9% +0.4 3.03 =C4=85 6% perf-profile.call= trace.cycles-pp.evlist_cpu_iterator__next.read_counters.process_interval.di= spatch_events.cmd_stat > 3.47 =C4=85 2% -0.6 2.86 =C4=85 10% perf-profile.chil= dren.cycles-pp.vm_mmap_pgoff > 3.30 =C4=85 2% -0.6 2.73 =C4=85 10% perf-profile.chil= dren.cycles-pp.do_mmap > 3.02 =C4=85 6% -0.6 2.46 =C4=85 11% perf-profile.chil= dren.cycles-pp.mmap_region > 2.34 =C4=85 8% -0.6 1.80 =C4=85 12% perf-profile.chil= dren.cycles-pp.ksys_mmap_pgoff > 3.80 =C4=85 5% -0.3 3.52 =C4=85 5% perf-profile.chil= dren.cycles-pp.smpboot_thread_fn > 0.29 =C4=85 2% -0.1 0.17 =C4=85 71% perf-profile.chil= dren.cycles-pp.acpi_evaluate_dsm > 0.29 =C4=85 2% -0.1 0.17 =C4=85 71% perf-profile.chil= dren.cycles-pp.acpi_evaluate_object > 0.29 =C4=85 2% -0.1 0.17 =C4=85 71% perf-profile.chil= dren.cycles-pp.acpi_nfit_ctl > 0.29 =C4=85 2% -0.1 0.17 =C4=85 71% perf-profile.chil= dren.cycles-pp.acpi_nfit_query_poison > 0.29 =C4=85 2% -0.1 0.17 =C4=85 71% perf-profile.chil= dren.cycles-pp.acpi_nfit_scrub > 0.16 =C4=85 36% -0.1 0.05 =C4=85 44% perf-profile.chil= dren.cycles-pp._find_first_bit > 0.10 =C4=85 44% -0.1 0.03 =C4=85100% perf-profile.chil= dren.cycles-pp.mtree_load > 0.30 =C4=85 25% +0.2 0.47 =C4=85 13% perf-profile.chil= dren.cycles-pp.__update_blocked_fair > 0.23 =C4=85 55% -0.2 0.08 =C4=85 70% perf-profile.self= cycles-pp.malloc > 0.16 =C4=85 40% -0.1 0.05 =C4=85 44% perf-profile.self= cycles-pp._find_first_bit > 0.19 =C4=85 30% -0.1 0.09 =C4=85 84% perf-profile.self= cycles-pp.d_alloc_parallel > 0.86 =C4=85 17% +0.3 1.12 =C4=85 10% perf-profile.self= cycles-pp.menu_select > 580113 =C4=85 2% -69.3% 177978 =C4=85 4% proc-vmstat.nr_ac= tive_anon > 18761 =C4=85 2% -9.3% 17008 =C4=85 2% proc-vmstat.nr_ac= tive_file > 6107024 -9.3% 5538417 proc-vmstat.nr_dirtied > 3066271 +1.3% 3105966 proc-vmstat.nr_dirty_backgr= ound_threshold > 6140041 +1.3% 6219526 proc-vmstat.nr_dirty_thresh= old > 1398313 -28.3% 1002802 proc-vmstat.nr_file_pages > 30835864 +1.3% 31234154 proc-vmstat.nr_free_pages > 262597 +2.8% 269986 proc-vmstat.nr_inactive_ano= n > 7233 =C4=85 5% +13.4% 8201 =C4=85 4% proc-vmstat.nr_in= active_file > 34066 =C4=85 6% -31.1% 23487 =C4=85 3% proc-vmstat.nr_ma= pped > 588705 =C4=85 2% -67.0% 193984 =C4=85 4% proc-vmstat.nr_sh= mem > 32476 -3.6% 31292 proc-vmstat.nr_slab_reclaim= able > 580113 =C4=85 2% -69.3% 177978 =C4=85 4% proc-vmstat.nr_zo= ne_active_anon > 18761 =C4=85 2% -9.3% 17008 =C4=85 2% proc-vmstat.nr_zo= ne_active_file > 262597 +2.8% 269986 proc-vmstat.nr_zone_inactiv= e_anon > 7233 =C4=85 5% +13.4% 8201 =C4=85 4% proc-vmstat.nr_zo= ne_inactive_file > 148417 =C4=85 19% -82.3% 26235 =C4=85 17% proc-vmstat.numa_= hint_faults > 76831 =C4=85 23% -84.5% 11912 =C4=85 33% proc-vmstat.numa_= hint_faults_local > 7524741 -14.0% 6471471 proc-vmstat.numa_hit > 7392150 -14.2% 6338859 proc-vmstat.numa_local > 826291 =C4=85 4% -12.3% 724471 =C4=85 4% proc-vmstat.numa_= pte_updates > 4284054 -6.1% 4024194 proc-vmstat.pgactivate > 7979760 -12.9% 6948927 proc-vmstat.pgalloc_normal > 917223 =C4=85 2% -16.2% 768255 proc-vmstat.pgfault > 7212208 -7.4% 6679624 proc-vmstat.pgfree > 1.97 -39.5% 1.19 =C4=85 2% perf-stat.i.MPKI > 3.749e+09 +65.2% 6.195e+09 perf-stat.i.branch-instruct= ions > 2.69 -0.0 2.65 perf-stat.i.branch-miss-rat= e% > 15906654 -39.7% 9595633 perf-stat.i.branch-misses > 16.53 -2.2 14.37 perf-stat.i.cache-miss-rate= % > 43138175 -48.8% 22080984 =C4=85 2% perf-stat.i.cache-miss= es > 1.137e+08 -41.1% 67035007 =C4=85 2% perf-stat.i.cache-refe= rences > 458704 =C4=85 2% -77.4% 103593 =C4=85 6% perf-stat.i.conte= xt-switches > 4.04 -39.3% 2.45 perf-stat.i.cpi > 1.221e+11 -5.4% 1.155e+11 perf-stat.i.cpu-cycles > 238.75 -19.5% 192.29 perf-stat.i.cpu-migrations > 1960 +45.0% 2843 =C4=85 2% perf-stat.i.cycles-bet= ween-cache-misses > 1.678e+10 +103.7% 3.419e+10 perf-stat.i.instructions > 0.39 +17.5% 0.46 perf-stat.i.ipc > 3.58 =C4=85 2% -77.8% 0.80 =C4=85 6% perf-stat.i.metri= c.K/sec > 4918 =C4=85 3% -19.9% 3940 perf-stat.i.minor-faul= ts > 4918 =C4=85 3% -19.9% 3940 perf-stat.i.page-fault= s > 2.57 -74.9% 0.65 =C4=85 2% perf-stat.overall.MPKI > 0.42 -0.3 0.15 perf-stat.overall.branch-mi= ss-rate% > 37.92 -4.8 33.07 perf-stat.overall.cache-mis= s-rate% > 7.27 -53.5% 3.38 perf-stat.overall.cpi > 2830 +85.1% 5239 =C4=85 2% perf-stat.overall.cycl= es-between-cache-misses > 0.14 +115.0% 0.30 perf-stat.overall.ipc > 3.72e+09 +72.8% 6.428e+09 perf-stat.ps.branch-instruc= tions > 15775403 -37.5% 9854215 perf-stat.ps.branch-misses > 42773264 -46.5% 22897139 =C4=85 2% perf-stat.ps.cache-mis= ses > 1.128e+08 -38.6% 69221969 =C4=85 2% perf-stat.ps.cache-ref= erences > 454754 =C4=85 2% -76.4% 107434 =C4=85 6% perf-stat.ps.cont= ext-switches > 237.02 -18.5% 193.17 perf-stat.ps.cpu-migrations > 1.666e+10 +113.0% 3.548e+10 perf-stat.ps.instructions > 4878 =C4=85 3% -19.3% 3937 perf-stat.ps.minor-fau= lts > 4878 =C4=85 3% -19.3% 3937 perf-stat.ps.page-faul= ts > 2.715e+12 +113.5% 5.796e+12 perf-stat.total.instruction= s > > > Disclaimer: > Results have been estimated based on internal Intel analysis and are prov= ided > for informational purposes only. Any difference in system hardware or sof= tware > design or configuration may affect actual performance. > > > -- > 0-DAY CI Kernel Test Service > https://github.com/intel/lkp-tests/wiki > Thanks for your report. I will try to reproduce it on my test machine. --=20 Regards Yafang