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Hello, kernel test robot noticed a -7.4% regression of filebench.sum_operations/s on: commit: 681ce8623567ba7e7333908e9826b77145312dda ("vfs: Delete the associated dentry when deleting a file") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master [still regression on linus/master 2bfcfd584ff5ccc8bb7acde19b42570414bf880b] 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 version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-lkp/202405291318.4dfbb352-oliver.sang@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-oliver.sang@intel.com ========================================================================================= 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 ? 2% -75.1% 7846497 ? 4% cpuidle..usage 27.21 +1.4% 27.59 iostat.cpu.system 3830823 ? 5% -16.2% 3208825 ? 4% numa-numastat.node1.local_node 3916065 ? 5% -16.3% 3277633 ? 3% numa-numastat.node1.numa_hit 455641 -74.2% 117514 ? 4% vmstat.system.cs 90146 -34.9% 58712 vmstat.system.in 0.14 -0.0 0.12 ? 2% mpstat.cpu.all.irq% 0.07 -0.0 0.04 ? 2% mpstat.cpu.all.soft% 0.56 -0.2 0.36 ? 2% mpstat.cpu.all.usr% 2038 ? 6% -25.8% 1511 ? 3% perf-c2c.DRAM.local 20304 ? 14% -62.9% 7523 ? 2% perf-c2c.DRAM.remote 18850 ? 16% -71.0% 5470 ? 2% perf-c2c.HITM.local 13220 ? 15% -68.1% 4218 ? 3% perf-c2c.HITM.remote 32070 ? 15% -69.8% 9688 ? 2% perf-c2c.HITM.total 191435 ? 7% +37.3% 262935 ? 11% sched_debug.cfs_rq:/.avg_vruntime.stddev 191435 ? 7% +37.3% 262935 ? 11% sched_debug.cfs_rq:/.min_vruntime.stddev 285707 -72.1% 79601 ? 11% sched_debug.cpu.nr_switches.avg 344088 ? 2% -69.8% 103953 ? 9% sched_debug.cpu.nr_switches.max 206926 ? 8% -73.0% 55912 ? 15% sched_debug.cpu.nr_switches.min 26177 ? 10% -63.9% 9453 ? 10% sched_debug.cpu.nr_switches.stddev 5.00 ? 9% +21.2% 6.06 ? 6% sched_debug.cpu.nr_uninterruptible.stddev 497115 ? 40% -44.8% 274644 ? 44% numa-meminfo.node0.AnonPages 2037838 ? 26% -78.4% 440153 ? 49% numa-meminfo.node1.Active 2001934 ? 26% -79.8% 405182 ? 52% numa-meminfo.node1.Active(anon) 527723 ? 38% +42.4% 751463 ? 16% numa-meminfo.node1.AnonPages 3853109 ? 35% -85.5% 559704 ? 33% numa-meminfo.node1.FilePages 93331 ? 18% -58.7% 38529 ? 22% numa-meminfo.node1.Mapped 5189577 ? 27% -61.5% 1999161 ? 13% numa-meminfo.node1.MemUsed 2014284 ? 26% -78.2% 439808 ? 51% numa-meminfo.node1.Shmem 123485 ? 41% -45.0% 67888 ? 44% numa-vmstat.node0.nr_anon_pages 500704 ? 26% -79.8% 101309 ? 52% numa-vmstat.node1.nr_active_anon 131174 ? 38% +42.6% 187092 ? 16% numa-vmstat.node1.nr_anon_pages 963502 ? 35% -85.5% 139952 ? 33% numa-vmstat.node1.nr_file_pages 23724 ? 18% -59.2% 9690 ? 22% numa-vmstat.node1.nr_mapped 503779 ? 26% -78.2% 109954 ? 51% numa-vmstat.node1.nr_shmem 500704 ? 26% -79.8% 101309 ? 52% numa-vmstat.node1.nr_zone_active_anon 3915420 ? 5% -16.3% 3276906 ? 3% numa-vmstat.node1.numa_hit 3830177 ? 5% -16.2% 3208097 ? 4% numa-vmstat.node1.numa_local 2431824 -65.5% 839190 ? 4% meminfo.Active 2357128 -67.3% 770208 ? 4% meminfo.Active(anon) 74695 ? 3% -7.6% 68981 ? 2% meminfo.Active(file) 5620559 -27.6% 4067556 meminfo.Cached 3838924 -40.4% 2286726 meminfo.Committed_AS 25660 ? 19% +25.8% 32289 ? 5% meminfo.Inactive(file) 141631 ? 5% -32.4% 95728 ? 4% meminfo.Mapped 8334057 -18.6% 6783406 meminfo.Memused 2390655 -64.9% 837973 ? 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 ? 3% -88.7% 729.10 ? 4% filebench.time.involuntary_context_switches 3556 +1.4% 3605 filebench.time.percent_of_cpu_this_job_got 5677 +2.1% 5798 filebench.time.system_time 99.20 -41.4% 58.09 ? 2% filebench.time.user_time 37526666 -74.5% 9587296 ? 4% filebench.time.voluntary_context_switches 589410 -67.3% 192526 ? 4% proc-vmstat.nr_active_anon 18674 ? 3% -7.6% 17253 ? 2% proc-vmstat.nr_active_file 6075100 -7.4% 5625692 proc-vmstat.nr_dirtied 3065571 +1.3% 3104313 proc-vmstat.nr_dirty_background_threshold 6138638 +1.3% 6216217 proc-vmstat.nr_dirty_threshold 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_anon 6406 ? 19% +26.1% 8076 ? 5% proc-vmstat.nr_inactive_file 35842 ? 5% -32.2% 24284 ? 4% proc-vmstat.nr_mapped 597809 -65.0% 209518 ? 4% proc-vmstat.nr_shmem 32422 -3.3% 31365 proc-vmstat.nr_slab_reclaimable 589410 -67.3% 192526 ? 4% proc-vmstat.nr_zone_active_anon 18674 ? 3% -7.6% 17253 ? 2% proc-vmstat.nr_zone_active_file 262267 +3.4% 271067 proc-vmstat.nr_zone_inactive_anon 6406 ? 19% +26.1% 8076 ? 5% proc-vmstat.nr_zone_inactive_file 100195 ? 10% -54.0% 46112 ? 10% proc-vmstat.numa_hint_faults 48654 ? 9% -50.1% 24286 ? 13% proc-vmstat.numa_hint_faults_local 7506558 -12.4% 6577262 proc-vmstat.numa_hit 7373151 -12.6% 6444638 proc-vmstat.numa_local 803560 ? 4% -6.4% 752097 ? 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 ? 2% -36.9% 1.23 perf-stat.i.MPKI 3.723e+09 +69.5% 6.309e+09 perf-stat.i.branch-instructions 2.70 -0.0 2.66 perf-stat.i.branch-miss-rate% 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 ? 2% perf-stat.i.cache-misses 1.141e+08 -39.8% 68732731 perf-stat.i.cache-references 465903 -75.4% 114745 ? 4% perf-stat.i.context-switches 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 ? 2% +40.1% 2798 perf-stat.i.cycles-between-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 ? 4% perf-stat.i.metric.K/sec 4592 ? 2% -11.6% 4057 perf-stat.i.minor-faults 4592 ? 2% -11.6% 4057 perf-stat.i.page-faults 2.62 -72.3% 0.73 ? 2% perf-stat.overall.MPKI 0.43 -0.3 0.16 perf-stat.overall.branch-miss-rate% 37.79 -4.6 33.22 perf-stat.overall.cache-miss-rate% 7.41 -50.1% 3.70 perf-stat.overall.cpi 2827 +80.1% 5092 ? 2% perf-stat.overall.cycles-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-instructions 15913729 -36.1% 10173711 perf-stat.ps.branch-misses 42783592 -44.9% 23577137 ? 2% perf-stat.ps.cache-misses 1.132e+08 -37.3% 70963587 perf-stat.ps.cache-references 461953 -74.2% 118964 ? 4% perf-stat.ps.context-switches 234.44 -17.3% 193.77 perf-stat.ps.cpu-migrations 1.632e+10 +99.0% 3.246e+10 perf-stat.ps.instructions 4555 ? 2% -10.9% 4060 perf-stat.ps.minor-faults 4555 ? 2% -10.9% 4060 perf-stat.ps.page-faults 2.659e+12 +99.2% 5.299e+12 perf-stat.total.instructions [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/linux/kernel/git/tj/wq") there is similar regression ========================================================================================= 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/linux/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 ? 2% -77.0% 7043084 ? 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 ? 2% mpstat.cpu.all.usr% 0.29 ?100% -77.4% 0.07 ? 28% vmstat.procs.b 448491 ? 2% -76.3% 106251 ? 5% vmstat.system.cs 90174 -36.5% 57279 vmstat.system.in 3460368 ? 4% -10.3% 3103696 ? 4% numa-numastat.node0.local_node 3522472 ? 4% -9.2% 3197492 ? 3% numa-numastat.node0.numa_hit 3928489 ? 4% -17.7% 3232163 ? 3% numa-numastat.node1.local_node 3998985 ? 3% -18.2% 3270980 ? 3% numa-numastat.node1.numa_hit 1968 ? 5% -23.2% 1511 perf-c2c.DRAM.local 16452 ? 22% -54.2% 7541 ? 4% perf-c2c.DRAM.remote 14780 ? 26% -64.0% 5321 ? 4% perf-c2c.HITM.local 10689 ? 24% -60.1% 4262 ? 5% perf-c2c.HITM.remote 25469 ? 25% -62.4% 9584 ? 4% perf-c2c.HITM.total 196899 ? 10% +31.1% 258125 ? 11% sched_debug.cfs_rq:/.avg_vruntime.stddev 196899 ? 10% +31.1% 258125 ? 11% sched_debug.cfs_rq:/.min_vruntime.stddev 299051 ? 12% -76.0% 71664 ? 15% sched_debug.cpu.nr_switches.avg 355466 ? 11% -73.4% 94490 ? 14% sched_debug.cpu.nr_switches.max 219349 ? 12% -76.6% 51435 ? 12% sched_debug.cpu.nr_switches.min 25523 ? 11% -67.4% 8322 ? 18% sched_debug.cpu.nr_switches.stddev 36526 ? 4% -16.4% 30519 ? 6% numa-meminfo.node0.Active(file) 897165 ? 14% -26.7% 657740 ? 9% numa-meminfo.node0.AnonPages.max 23571 ? 10% -14.5% 20159 ? 10% numa-meminfo.node0.Dirty 2134726 ? 10% -76.9% 493176 ? 35% numa-meminfo.node1.Active 2096208 ? 11% -78.3% 455673 ? 38% numa-meminfo.node1.Active(anon) 965352 ? 13% +23.5% 1192437 ? 2% numa-meminfo.node1.AnonPages.max 18386 ? 17% +23.8% 22761 ? 4% numa-meminfo.node1.Inactive(file) 2108104 ? 11% -76.7% 492042 ? 37% numa-meminfo.node1.Shmem 2395006 ? 2% -67.4% 779863 ? 3% meminfo.Active 2319964 ? 2% -69.3% 711848 ? 4% meminfo.Active(anon) 75041 ? 2% -9.4% 68015 ? 2% meminfo.Active(file) 5583921 -28.3% 4002297 meminfo.Cached 3802632 -41.5% 2224370 meminfo.Committed_AS 28940 ? 5% +13.6% 32890 ? 4% meminfo.Inactive(file) 134576 ? 6% -31.2% 92641 ? 3% meminfo.Mapped 8310087 -19.2% 6718172 meminfo.Memused 2354275 ? 2% -67.1% 775732 ? 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 ? 6% filebench.time.involuntary_context_switches 3561 +1.3% 3607 filebench.time.percent_of_cpu_this_job_got 5686 +2.1% 5804 filebench.time.system_time 98.62 -44.2% 55.04 ? 2% filebench.time.user_time 36939924 ? 2% -76.6% 8653175 ? 5% filebench.time.voluntary_context_switches 9134 ? 4% -16.5% 7628 ? 6% numa-vmstat.node0.nr_active_file 3141362 ? 3% -11.5% 2780445 ? 4% numa-vmstat.node0.nr_dirtied 9134 ? 4% -16.5% 7628 ? 6% numa-vmstat.node0.nr_zone_active_file 3522377 ? 4% -9.2% 3197360 ? 3% numa-vmstat.node0.numa_hit 3460272 ? 4% -10.3% 3103565 ? 4% numa-vmstat.node0.numa_local 524285 ? 11% -78.3% 113936 ? 38% numa-vmstat.node1.nr_active_anon 4630 ? 17% +22.6% 5674 ? 4% numa-vmstat.node1.nr_inactive_file 527242 ? 11% -76.7% 123018 ? 37% numa-vmstat.node1.nr_shmem 524285 ? 11% -78.3% 113936 ? 38% numa-vmstat.node1.nr_zone_active_anon 4630 ? 17% +22.5% 5674 ? 4% numa-vmstat.node1.nr_zone_inactive_file 3998675 ? 3% -18.2% 3270307 ? 3% numa-vmstat.node1.numa_hit 3928179 ? 4% -17.7% 3231491 ? 3% numa-vmstat.node1.numa_local 1.82 ? 18% -0.5 1.28 ? 16% perf-profile.calltrace.cycles-pp.mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64 1.58 ? 8% -0.5 1.13 ? 18% perf-profile.calltrace.cycles-pp.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe 1.53 ? 9% -0.4 1.13 ? 18% perf-profile.calltrace.cycles-pp.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe 2.05 ? 7% -0.3 1.76 ? 11% perf-profile.calltrace.cycles-pp.update_sd_lb_stats.sched_balance_find_src_group.sched_balance_rq.sched_balance_newidle.balance_fair 3.80 ? 5% -0.3 3.52 ? 5% perf-profile.calltrace.cycles-pp.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 2.11 ? 11% +0.3 2.39 ? 4% perf-profile.calltrace.cycles-pp.sched_setaffinity.evlist_cpu_iterator__next.read_counters.process_interval.dispatch_events 3.55 ? 10% +0.3 3.86 ? 4% perf-profile.calltrace.cycles-pp.exc_page_fault.asm_exc_page_fault 2.63 ? 9% +0.4 3.03 ? 6% perf-profile.calltrace.cycles-pp.evlist_cpu_iterator__next.read_counters.process_interval.dispatch_events.cmd_stat 3.47 ? 2% -0.6 2.86 ? 10% perf-profile.children.cycles-pp.vm_mmap_pgoff 3.30 ? 2% -0.6 2.73 ? 10% perf-profile.children.cycles-pp.do_mmap 3.02 ? 6% -0.6 2.46 ? 11% perf-profile.children.cycles-pp.mmap_region 2.34 ? 8% -0.6 1.80 ? 12% perf-profile.children.cycles-pp.ksys_mmap_pgoff 3.80 ? 5% -0.3 3.52 ? 5% perf-profile.children.cycles-pp.smpboot_thread_fn 0.29 ? 2% -0.1 0.17 ? 71% perf-profile.children.cycles-pp.acpi_evaluate_dsm 0.29 ? 2% -0.1 0.17 ? 71% perf-profile.children.cycles-pp.acpi_evaluate_object 0.29 ? 2% -0.1 0.17 ? 71% perf-profile.children.cycles-pp.acpi_nfit_ctl 0.29 ? 2% -0.1 0.17 ? 71% perf-profile.children.cycles-pp.acpi_nfit_query_poison 0.29 ? 2% -0.1 0.17 ? 71% perf-profile.children.cycles-pp.acpi_nfit_scrub 0.16 ? 36% -0.1 0.05 ? 44% perf-profile.children.cycles-pp._find_first_bit 0.10 ? 44% -0.1 0.03 ?100% perf-profile.children.cycles-pp.mtree_load 0.30 ? 25% +0.2 0.47 ? 13% perf-profile.children.cycles-pp.__update_blocked_fair 0.23 ? 55% -0.2 0.08 ? 70% perf-profile.self.cycles-pp.malloc 0.16 ? 40% -0.1 0.05 ? 44% perf-profile.self.cycles-pp._find_first_bit 0.19 ? 30% -0.1 0.09 ? 84% perf-profile.self.cycles-pp.d_alloc_parallel 0.86 ? 17% +0.3 1.12 ? 10% perf-profile.self.cycles-pp.menu_select 580113 ? 2% -69.3% 177978 ? 4% proc-vmstat.nr_active_anon 18761 ? 2% -9.3% 17008 ? 2% proc-vmstat.nr_active_file 6107024 -9.3% 5538417 proc-vmstat.nr_dirtied 3066271 +1.3% 3105966 proc-vmstat.nr_dirty_background_threshold 6140041 +1.3% 6219526 proc-vmstat.nr_dirty_threshold 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_anon 7233 ? 5% +13.4% 8201 ? 4% proc-vmstat.nr_inactive_file 34066 ? 6% -31.1% 23487 ? 3% proc-vmstat.nr_mapped 588705 ? 2% -67.0% 193984 ? 4% proc-vmstat.nr_shmem 32476 -3.6% 31292 proc-vmstat.nr_slab_reclaimable 580113 ? 2% -69.3% 177978 ? 4% proc-vmstat.nr_zone_active_anon 18761 ? 2% -9.3% 17008 ? 2% proc-vmstat.nr_zone_active_file 262597 +2.8% 269986 proc-vmstat.nr_zone_inactive_anon 7233 ? 5% +13.4% 8201 ? 4% proc-vmstat.nr_zone_inactive_file 148417 ? 19% -82.3% 26235 ? 17% proc-vmstat.numa_hint_faults 76831 ? 23% -84.5% 11912 ? 33% proc-vmstat.numa_hint_faults_local 7524741 -14.0% 6471471 proc-vmstat.numa_hit 7392150 -14.2% 6338859 proc-vmstat.numa_local 826291 ? 4% -12.3% 724471 ? 4% proc-vmstat.numa_pte_updates 4284054 -6.1% 4024194 proc-vmstat.pgactivate 7979760 -12.9% 6948927 proc-vmstat.pgalloc_normal 917223 ? 2% -16.2% 768255 proc-vmstat.pgfault 7212208 -7.4% 6679624 proc-vmstat.pgfree 1.97 -39.5% 1.19 ? 2% perf-stat.i.MPKI 3.749e+09 +65.2% 6.195e+09 perf-stat.i.branch-instructions 2.69 -0.0 2.65 perf-stat.i.branch-miss-rate% 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 ? 2% perf-stat.i.cache-misses 1.137e+08 -41.1% 67035007 ? 2% perf-stat.i.cache-references 458704 ? 2% -77.4% 103593 ? 6% perf-stat.i.context-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 ? 2% perf-stat.i.cycles-between-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 ? 2% -77.8% 0.80 ? 6% perf-stat.i.metric.K/sec 4918 ? 3% -19.9% 3940 perf-stat.i.minor-faults 4918 ? 3% -19.9% 3940 perf-stat.i.page-faults 2.57 -74.9% 0.65 ? 2% perf-stat.overall.MPKI 0.42 -0.3 0.15 perf-stat.overall.branch-miss-rate% 37.92 -4.8 33.07 perf-stat.overall.cache-miss-rate% 7.27 -53.5% 3.38 perf-stat.overall.cpi 2830 +85.1% 5239 ? 2% perf-stat.overall.cycles-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-instructions 15775403 -37.5% 9854215 perf-stat.ps.branch-misses 42773264 -46.5% 22897139 ? 2% perf-stat.ps.cache-misses 1.128e+08 -38.6% 69221969 ? 2% perf-stat.ps.cache-references 454754 ? 2% -76.4% 107434 ? 6% perf-stat.ps.context-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 ? 3% -19.3% 3937 perf-stat.ps.minor-faults 4878 ? 3% -19.3% 3937 perf-stat.ps.page-faults 2.715e+12 +113.5% 5.796e+12 perf-stat.total.instructions 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. -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki