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Mon, 23 Sep 2019 12:11:49 -0700 (PDT) MIME-Version: 1.0 References: <156896493723.4334.13340481207144634918.stgit@buzz> <20190923003658.GA15734@shao2-debian> In-Reply-To: <20190923003658.GA15734@shao2-debian> From: Konstantin Khlebnikov Date: Mon, 23 Sep 2019 22:11:40 +0300 Message-ID: Subject: Re: [mm] e0e7df8d5b: will-it-scale.per_process_ops -7.3% regression To: kernel test robot Cc: Konstantin Khlebnikov , linux-fsdevel , linux-mm@kvack.org, Linux Kernel Mailing List , Jens Axboe , Michal Hocko , Dave Chinner , Mel Gorman , Johannes Weiner , Tejun Heo , Linus Torvalds , LKP Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, Sep 23, 2019 at 3:37 AM kernel test robot w= rote: > > Greeting, > > FYI, we noticed a -7.3% regression of will-it-scale.per_process_ops due t= o commit: Most likely this caused by changing struct file layout after adding new fie= ld. > > > commit: e0e7df8d5b71bf59ad93fe75e662c929b580d805 ("[PATCH v2] mm: impleme= nt write-behind policy for sequential file writes") > url: https://github.com/0day-ci/linux/commits/Konstantin-Khlebnikov/mm-im= plement-write-behind-policy-for-sequential-file-writes/20190920-155606 > > > in testcase: will-it-scale > on test machine: 192 threads Intel(R) Xeon(R) Platinum 9242 CPU @ 2.30GHz= with 192G memory > with following parameters: > > nr_task: 100% > mode: process > test: open1 > cpufreq_governor: performance > > test-description: Will It Scale takes a testcase and runs it from 1 throu= gh to n parallel copies to see if the testcase will scale. It builds both a= process and threads based test in order to see any differences between the= two. > test-url: https://github.com/antonblanchard/will-it-scale > > > > If you fix the issue, kindly add following tag > Reported-by: kernel test robot > > > Details are as below: > -------------------------------------------------------------------------= -------------------------> > > > To reproduce: > > git clone https://github.com/intel/lkp-tests.git > cd lkp-tests > bin/lkp install job.yaml # job file is attached in this email > bin/lkp run job.yaml > > =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/kconfig/mode/nr_task/rootfs/tbox_group/test/tes= tcase: > gcc-7/performance/x86_64-rhel-7.6/process/100%/debian-x86_64-2019-05-14= .cgz/lkp-csl-2ap4/open1/will-it-scale > > commit: > 574cc45397 (" drm main pull for 5.4-rc1") > e0e7df8d5b ("mm: implement write-behind policy for sequential file writ= es") > > 574cc4539762561d e0e7df8d5b71bf59ad93fe75e66 > ---------------- --------------------------- > %stddev %change %stddev > \ | \ > 370456 -7.3% 343238 will-it-scale.per_process_o= ps > 71127653 -7.3% 65901758 will-it-scale.workload > 828565 =C2=B1 23% +66.8% 1381984 =C2=B1 23% cpuidle.C1.time > 1499 +1.1% 1515 turbostat.Avg_MHz > 163498 =C2=B1 5% +26.4% 206691 =C2=B1 4% slabinfo.filp.act= ive_slabs > 163498 =C2=B1 5% +26.4% 206691 =C2=B1 4% slabinfo.filp.num= _slabs > 39055 =C2=B1 2% +17.1% 45720 =C2=B1 5% meminfo.Inactive > 38615 =C2=B1 2% +17.3% 45291 =C2=B1 5% meminfo.Inactive(= anon) > 51382 =C2=B1 3% +19.6% 61469 =C2=B1 7% meminfo.Mapped > 5163010 =C2=B1 2% +12.7% 5819765 =C2=B1 3% meminfo.Memused > 2840181 =C2=B1 3% +22.5% 3478003 =C2=B1 5% meminfo.SUnreclai= m > 2941874 =C2=B1 3% +21.7% 3579791 =C2=B1 5% meminfo.Slab > 67755 =C2=B1 5% +23.8% 83884 =C2=B1 3% meminfo.max_used_= kB > 79719901 +17.3% 93512842 numa-numastat.node0.local_n= ode > 79738690 +17.3% 93533079 numa-numastat.node0.numa_hi= t > 81987497 +16.6% 95625946 numa-numastat.node1.local_n= ode > 82018695 +16.6% 95652480 numa-numastat.node1.numa_hi= t > 82693483 +15.8% 95762465 numa-numastat.node2.local_n= ode > 82705924 +15.8% 95789007 numa-numastat.node2.numa_hi= t > 80329941 +17.1% 94048289 numa-numastat.node3.local_n= ode > 80361116 +17.1% 94068512 numa-numastat.node3.numa_hi= t > 9678 =C2=B1 2% +17.1% 11334 =C2=B1 5% proc-vmstat.nr_in= active_anon > 13001 =C2=B1 3% +19.2% 15503 =C2=B1 7% proc-vmstat.nr_ma= pped > 738232 =C2=B1 4% +18.5% 875062 =C2=B1 2% proc-vmstat.nr_sl= ab_unreclaimable > 9678 =C2=B1 2% +17.1% 11334 =C2=B1 5% proc-vmstat.nr_zo= ne_inactive_anon > 2391 =C2=B1 92% -84.5% 369.50 =C2=B1 46% proc-vmstat.numa_= hint_faults > 3.243e+08 +16.8% 3.789e+08 proc-vmstat.numa_hit > 3.242e+08 +16.8% 3.788e+08 proc-vmstat.numa_local > 1.296e+09 +16.8% 1.514e+09 proc-vmstat.pgalloc_normal > 1.296e+09 +16.8% 1.514e+09 proc-vmstat.pgfree > 862.61 =C2=B1 5% +37.7% 1188 =C2=B1 5% sched_debug.cfs_r= q:/.exec_clock.stddev > 229663 =C2=B1 62% +113.3% 489907 =C2=B1 29% sched_debug.cfs_r= q:/.load.max > 491.04 =C2=B1 4% -9.5% 444.29 =C2=B1 7% sched_debug.cfs_r= q:/.nr_spread_over.min > 229429 =C2=B1 62% +113.4% 489618 =C2=B1 29% sched_debug.cfs_r= q:/.runnable_weight.max > -1959962 +36.2% -2669681 sched_debug.cfs_rq:/.spread= 0.min > 1416008 =C2=B1 2% -13.3% 1227494 =C2=B1 5% sched_debug.cpu.a= vg_idle.avg > 1240763 =C2=B1 8% -28.2% 891028 =C2=B1 18% sched_debug.cpu.a= vg_idle.stddev > 352361 =C2=B1 6% -29.6% 248105 =C2=B1 25% sched_debug.cpu.m= ax_idle_balance_cost.stddev > -20.00 +51.0% -30.21 sched_debug.cpu.nr_uninterr= uptible.min > 6618 =C2=B1 10% -20.8% 5240 =C2=B1 8% sched_debug.cpu.t= twu_count.max > 1452719 =C2=B1 4% +7.2% 1557262 =C2=B1 3% numa-meminfo.node= 0.MemUsed > 797565 =C2=B1 2% +20.8% 963538 =C2=B1 2% numa-meminfo.node= 0.SUnreclaim > 835343 =C2=B1 3% +19.6% 998867 =C2=B1 2% numa-meminfo.node= 0.Slab > 831114 =C2=B1 2% +20.1% 998248 =C2=B1 2% numa-meminfo.node= 1.SUnreclaim > 848052 +19.8% 1016069 =C2=B1 2% numa-meminfo.node1.Sla= b > 1441558 =C2=B1 6% +15.7% 1668466 =C2=B1 3% numa-meminfo.node= 2.MemUsed > 879835 =C2=B1 2% +20.4% 1059441 numa-meminfo.node2.SUn= reclaim > 901359 =C2=B1 3% +20.3% 1084727 =C2=B1 2% numa-meminfo.node= 2.Slab > 1446041 =C2=B1 5% +15.5% 1669477 =C2=B1 3% numa-meminfo.node= 3.MemUsed > 899442 =C2=B1 5% +23.0% 1106354 numa-meminfo.node3.SUn= reclaim > 924903 =C2=B1 5% +22.1% 1129709 numa-meminfo.node3.Sla= b > 198945 +19.8% 238298 =C2=B1 2% numa-vmstat.node0.nr_s= lab_unreclaimable > 40181885 +17.3% 47129598 numa-vmstat.node0.numa_hit > 40163521 +17.3% 47110122 numa-vmstat.node0.numa_loca= l > 208512 +20.9% 252000 =C2=B1 2% numa-vmstat.node1.nr_s= lab_unreclaimable > 41144466 +16.7% 48021716 numa-vmstat.node1.numa_hit > 41027051 +16.8% 47908675 numa-vmstat.node1.numa_loca= l > 220763 =C2=B1 2% +21.9% 269115 =C2=B1 2% numa-vmstat.node2= .nr_slab_unreclaimable > 41437805 +16.2% 48167791 numa-vmstat.node2.numa_hit > 41338581 +16.2% 48054485 numa-vmstat.node2.numa_loca= l > 225216 =C2=B1 2% +24.7% 280851 =C2=B1 2% numa-vmstat.node3= .nr_slab_unreclaimable > 40385721 +16.9% 47195289 numa-vmstat.node3.numa_hit > 40268228 +16.9% 47088405 numa-vmstat.node3.numa_loca= l > 77.00 =C2=B1 29% +494.8% 458.00 =C2=B1110% interrupts.CPU10.= RES:Rescheduling_interrupts > 167.25 =C2=B1 65% +347.8% 749.00 =C2=B1 85% interrupts.CPU103= .RES:Rescheduling_interrupts > 136.50 =C2=B1 42% +309.2% 558.50 =C2=B1 85% interrupts.CPU107= .RES:Rescheduling_interrupts > 132.50 =C2=B1 26% +637.5% 977.25 =C2=B1 50% interrupts.CPU109= .RES:Rescheduling_interrupts > 212.50 =C2=B1 51% -65.2% 74.00 =C2=B1 9% interrupts.CPU115= .RES:Rescheduling_interrupts > 270.25 =C2=B1 20% -77.2% 61.50 =C2=B1 10% interrupts.CPU121= .RES:Rescheduling_interrupts > 184.00 =C2=B1 50% -57.5% 78.25 =C2=B1 51% interrupts.CPU128= .RES:Rescheduling_interrupts > 85.25 =C2=B1 38% +911.4% 862.25 =C2=B1135% interrupts.CPU137= .RES:Rescheduling_interrupts > 72.25 =C2=B1 6% +114.2% 154.75 =C2=B1 25% interrupts.CPU147= .RES:Rescheduling_interrupts > 415.00 =C2=B1 75% -69.8% 125.25 =C2=B1 59% interrupts.CPU15.= RES:Rescheduling_interrupts > 928.25 =C2=B1 93% -89.8% 94.50 =C2=B1 50% interrupts.CPU182= .RES:Rescheduling_interrupts > 359.75 =C2=B1 76% -58.8% 148.25 =C2=B1 85% interrupts.CPU19.= RES:Rescheduling_interrupts > 95.75 =C2=B1 30% +103.9% 195.25 =C2=B1 48% interrupts.CPU45.= RES:Rescheduling_interrupts > 60.25 =C2=B1 9% +270.5% 223.25 =C2=B1 93% interrupts.CPU83.= RES:Rescheduling_interrupts > 906.75 =C2=B1136% -90.5% 85.75 =C2=B1 36% interrupts.CPU85.= RES:Rescheduling_interrupts > 199.25 =C2=B1 25% -52.1% 95.50 =C2=B1 43% interrupts.CPU90.= RES:Rescheduling_interrupts > 5192 =C2=B1 34% +41.5% 7347 =C2=B1 24% interrupts.CPU95.= NMI:Non-maskable_interrupts > 5192 =C2=B1 34% +41.5% 7347 =C2=B1 24% interrupts.CPU95.= PMI:Performance_monitoring_interrupts > 1.75 +26.1% 2.20 perf-stat.i.MPKI > 7.975e+10 -6.8% 7.435e+10 perf-stat.i.branch-instruct= ions > 3.782e+08 -5.9% 3.558e+08 perf-stat.i.branch-misses > 75.36 +0.9 76.29 perf-stat.i.cache-miss-rate= % > 5.484e+08 +18.8% 6.515e+08 perf-stat.i.cache-misses > 7.276e+08 +17.3% 8.539e+08 perf-stat.i.cache-reference= s > 1.37 +8.2% 1.48 perf-stat.i.cpi > 5.701e+11 +0.7% 5.744e+11 perf-stat.i.cpu-cycles > 1040 -15.2% 882.10 perf-stat.i.cycles-between-= cache-misses > 1.253e+11 -7.2% 1.163e+11 perf-stat.i.dTLB-loads > 7.443e+10 -7.2% 6.904e+10 perf-stat.i.dTLB-stores > 3.336e+08 +12.6% 3.755e+08 perf-stat.i.iTLB-load-misse= s > 5004598 =C2=B1 7% -60.9% 1954451 =C2=B1 6% perf-stat.i.iTLB-= loads > 4.175e+11 -6.9% 3.887e+11 perf-stat.i.instructions > 1251 -17.3% 1035 perf-stat.i.instructions-pe= r-iTLB-miss > 0.73 -7.6% 0.68 perf-stat.i.ipc > 19.77 -1.5 18.31 perf-stat.i.node-load-miss-= rate% > 5003202 =C2=B1 2% +16.5% 5829006 perf-stat.i.node-load-= misses > 20521507 +28.1% 26283838 perf-stat.i.node-loads > 1.84 +0.4 2.28 perf-stat.i.node-store-miss= -rate% > 1469703 +29.0% 1895783 perf-stat.i.node-store-miss= es > 78304054 +4.0% 81463725 perf-stat.i.node-stores > 1.74 +26.1% 2.20 perf-stat.overall.MPKI > 75.37 +0.9 76.30 perf-stat.overall.cache-mis= s-rate% > 1.37 +8.2% 1.48 perf-stat.overall.cpi > 1039 -15.2% 881.41 perf-stat.overall.cycles-be= tween-cache-misses > 1251 -17.3% 1035 perf-stat.overall.instructi= ons-per-iTLB-miss > 0.73 -7.6% 0.68 perf-stat.overall.ipc > 19.59 -1.5 18.14 perf-stat.overall.node-load= -miss-rate% > 1.84 +0.4 2.27 perf-stat.overall.node-stor= e-miss-rate% > 7.943e+10 -6.8% 7.404e+10 perf-stat.ps.branch-instruc= tions > 3.767e+08 -5.9% 3.543e+08 perf-stat.ps.branch-misses > 5.465e+08 +18.8% 6.492e+08 perf-stat.ps.cache-misses > 7.25e+08 +17.4% 8.508e+08 perf-stat.ps.cache-referenc= es > 5.68e+11 +0.7% 5.722e+11 perf-stat.ps.cpu-cycles > 1.248e+11 -7.2% 1.158e+11 perf-stat.ps.dTLB-loads > 7.413e+10 -7.3% 6.874e+10 perf-stat.ps.dTLB-stores > 3.322e+08 +12.5% 3.739e+08 perf-stat.ps.iTLB-load-miss= es > 4986239 =C2=B1 7% -61.0% 1946378 =C2=B1 6% perf-stat.ps.iTLB= -loads > 4.158e+11 -6.9% 3.87e+11 perf-stat.ps.instructions > 4982520 =C2=B1 2% +16.5% 5803884 perf-stat.ps.node-load= -misses > 20448588 +28.1% 26201547 perf-stat.ps.node-loads > 1463675 +29.0% 1887791 perf-stat.ps.node-store-mis= ses > 77979119 +4.0% 81107191 perf-stat.ps.node-stores > 1.25e+14 -6.8% 1.165e+14 perf-stat.total.instruction= s > 10.11 -1.9 8.21 perf-profile.calltrace.cycl= es-pp.file_free_rcu.rcu_do_batch.rcu_core.__softirqentry_text_start.run_kso= ftirqd > 17.28 -0.8 16.48 perf-profile.calltrace.cycl= es-pp.close > 9.41 -0.7 8.69 perf-profile.calltrace.cycl= es-pp.link_path_walk.path_openat.do_filp_open.do_sys_open.do_syscall_64 > 6.32 -0.7 5.64 perf-profile.calltrace.cycl= es-pp.do_dentry_open.path_openat.do_filp_open.do_sys_open.do_syscall_64 > 5.27 -0.5 4.72 perf-profile.calltrace.cycl= es-pp.__fput.task_work_run.exit_to_usermode_loop.do_syscall_64.entry_SYSCAL= L_64_after_hwframe > 13.96 -0.5 13.49 perf-profile.calltrace.cycl= es-pp.entry_SYSCALL_64_after_hwframe.close > 13.58 -0.4 13.14 perf-profile.calltrace.cycl= es-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.close > 0.92 -0.3 0.64 perf-profile.calltrace.cycl= es-pp.__close_fd.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwfra= me.close > 3.10 -0.2 2.86 perf-profile.calltrace.cycl= es-pp.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe.close > 2.44 -0.2 2.21 perf-profile.calltrace.cycl= es-pp.walk_component.link_path_walk.path_openat.do_filp_open.do_sys_open > 4.02 -0.2 3.80 perf-profile.calltrace.cycl= es-pp.selinux_inode_permission.security_inode_permission.link_path_walk.pat= h_openat.do_filp_open > 1.82 -0.2 1.60 perf-profile.calltrace.cycl= es-pp.entry_SYSCALL_64.open64 > 9.26 -0.2 9.04 perf-profile.calltrace.cycl= es-pp.task_work_run.exit_to_usermode_loop.do_syscall_64.entry_SYSCALL_64_af= ter_hwframe.close > 2.12 =C2=B1 2% -0.2 1.90 perf-profile.calltrace= .cycles-pp.lookup_fast.walk_component.link_path_walk.path_openat.do_filp_op= en > 1.03 =C2=B1 10% -0.2 0.82 perf-profile.calltrace= .cycles-pp.inode_permission.link_path_walk.path_openat.do_filp_open.do_sys_= open > 2.55 =C2=B1 2% -0.2 2.36 =C2=B1 3% perf-profile.call= trace.cycles-pp.security_inode_permission.may_open.path_openat.do_filp_open= .do_sys_open > 1.37 -0.2 1.18 perf-profile.calltrace.cycl= es-pp.kmem_cache_alloc.getname_flags.do_sys_open.do_syscall_64.entry_SYSCAL= L_64_after_hwframe > 1.15 -0.2 0.95 perf-profile.calltrace.cycl= es-pp.ima_file_check.path_openat.do_filp_open.do_sys_open.do_syscall_64 > 1.79 -0.2 1.60 perf-profile.calltrace.cycl= es-pp.entry_SYSCALL_64.close > 2.41 =C2=B1 3% -0.2 2.22 =C2=B1 3% perf-profile.call= trace.cycles-pp.selinux_inode_permission.security_inode_permission.may_open= .path_openat.do_filp_open > 2.88 -0.2 2.71 perf-profile.calltrace.cycl= es-pp.security_file_open.do_dentry_open.path_openat.do_filp_open.do_sys_ope= n > 2.38 -0.2 2.22 perf-profile.calltrace.cycl= es-pp.security_file_alloc.__alloc_file.alloc_empty_file.path_openat.do_filp= _open > 4.31 -0.2 4.16 perf-profile.calltrace.cycl= es-pp.security_inode_permission.link_path_walk.path_openat.do_filp_open.do_= sys_open > 9.93 -0.1 9.80 perf-profile.calltrace.cycl= es-pp.exit_to_usermode_loop.do_syscall_64.entry_SYSCALL_64_after_hwframe.cl= ose > 1.63 -0.1 1.50 perf-profile.calltrace.cycl= es-pp.kmem_cache_alloc.security_file_alloc.__alloc_file.alloc_empty_file.pa= th_openat > 1.38 -0.1 1.26 perf-profile.calltrace.cycl= es-pp.__alloc_fd.do_sys_open.do_syscall_64.entry_SYSCALL_64_after_hwframe.o= pen64 > 5.16 -0.1 5.04 perf-profile.calltrace.cycl= es-pp.getname_flags.do_sys_open.do_syscall_64.entry_SYSCALL_64_after_hwfram= e.open64 > 1.13 -0.1 1.02 perf-profile.calltrace.cycl= es-pp.dput.terminate_walk.path_openat.do_filp_open.do_sys_open > 2.26 -0.1 2.15 perf-profile.calltrace.cycl= es-pp.selinux_file_open.security_file_open.do_dentry_open.path_openat.do_fi= lp_open > 0.63 -0.1 0.52 =C2=B1 2% perf-profile.calltrace= .cycles-pp.__check_heap_object.__check_object_size.strncpy_from_user.getnam= e_flags.do_sys_open > 1.29 -0.1 1.18 perf-profile.calltrace.cycl= es-pp.lookup_fast.path_openat.do_filp_open.do_sys_open.do_syscall_64 > 1.75 -0.1 1.65 perf-profile.calltrace.cycl= es-pp.terminate_walk.path_openat.do_filp_open.do_sys_open.do_syscall_64 > 0.67 -0.1 0.58 perf-profile.calltrace.cycl= es-pp.kmem_cache_free.__fput.task_work_run.exit_to_usermode_loop.do_syscall= _64 > 1.22 =C2=B1 2% -0.1 1.12 perf-profile.calltrace= .cycles-pp.avc_has_perm_noaudit.selinux_inode_permission.security_inode_per= mission.link_path_walk.path_openat > 1.21 -0.1 1.12 perf-profile.calltrace.cycl= es-pp.fput_many.filp_close.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_a= fter_hwframe > 0.74 -0.1 0.66 perf-profile.calltrace.cycl= es-pp.__inode_security_revalidate.selinux_file_open.security_file_open.do_d= entry_open.path_openat > 0.89 -0.1 0.81 perf-profile.calltrace.cycl= es-pp.inode_security_rcu.selinux_inode_permission.security_inode_permission= .may_open.path_openat > 0.79 =C2=B1 4% -0.1 0.72 perf-profile.calltrace= .cycles-pp._raw_spin_lock_irq.task_work_run.exit_to_usermode_loop.do_syscal= l_64.entry_SYSCALL_64_after_hwframe > 0.76 -0.1 0.70 perf-profile.calltrace.cycl= es-pp.__inode_security_revalidate.inode_security_rcu.selinux_inode_permissi= on.security_inode_permission.may_open > 0.67 =C2=B1 3% -0.1 0.61 perf-profile.calltrace= .cycles-pp.__d_lookup_rcu.lookup_fast.path_openat.do_filp_open.do_sys_open > 0.66 =C2=B1 3% -0.1 0.60 perf-profile.calltrace= .cycles-pp.inode_permission.may_open.path_openat.do_filp_open.do_sys_open > 1.02 -0.1 0.96 perf-profile.calltrace.cycl= es-pp.path_init.path_openat.do_filp_open.do_sys_open.do_syscall_64 > 0.81 -0.1 0.75 perf-profile.calltrace.cycl= es-pp.task_work_add.fput_many.filp_close.__x64_sys_close.do_syscall_64 > 0.67 -0.0 0.63 perf-profile.calltrace.cycl= es-pp.rcu_segcblist_enqueue.__call_rcu.task_work_run.exit_to_usermode_loop.= do_syscall_64 > 0.78 -0.0 0.74 perf-profile.calltrace.cycl= es-pp.__slab_free.kmem_cache_free.rcu_do_batch.rcu_core.__softirqentry_text= _start > 0.55 -0.0 0.53 perf-profile.calltrace.cycl= es-pp.selinux_file_alloc_security.security_file_alloc.__alloc_file.alloc_em= pty_file.path_openat > 0.71 +0.1 0.82 perf-profile.calltrace.cycl= es-pp.memset_erms.kmem_cache_alloc.__alloc_file.alloc_empty_file.path_opena= t > 3.38 +0.1 3.50 perf-profile.calltrace.cycl= es-pp.strncpy_from_user.getname_flags.do_sys_open.do_syscall_64.entry_SYSCA= LL_64_after_hwframe > 1.66 +0.1 1.78 perf-profile.calltrace.cycl= es-pp.__call_rcu.task_work_run.exit_to_usermode_loop.do_syscall_64.entry_SY= SCALL_64_after_hwframe > 0.70 +0.1 0.84 perf-profile.calltrace.cycl= es-pp.__virt_addr_valid.__check_object_size.strncpy_from_user.getname_flags= .do_sys_open > 1.81 +0.4 2.23 perf-profile.calltrace.cycl= es-pp.__check_object_size.strncpy_from_user.getname_flags.do_sys_open.do_sy= scall_64 > 39.47 +0.7 40.17 perf-profile.calltrace.cycl= es-pp.do_filp_open.do_sys_open.do_syscall_64.entry_SYSCALL_64_after_hwframe= .open64 > 0.00 +0.8 0.75 perf-profile.calltrace.cycl= es-pp.get_page_from_freelist.__alloc_pages_nodemask.new_slab.___slab_alloc.= __slab_alloc > 38.69 +0.8 39.45 perf-profile.calltrace.cycl= es-pp.path_openat.do_filp_open.do_sys_open.do_syscall_64.entry_SYSCALL_64_a= fter_hwframe > 0.00 +0.8 0.84 perf-profile.calltrace.cycl= es-pp.__alloc_pages_nodemask.new_slab.___slab_alloc.__slab_alloc.kmem_cache= _alloc > 29.90 +0.9 30.79 perf-profile.calltrace.cycl= es-pp.__softirqentry_text_start.run_ksoftirqd.smpboot_thread_fn.kthread.ret= _from_fork > 29.90 +0.9 30.79 perf-profile.calltrace.cycl= es-pp.run_ksoftirqd.smpboot_thread_fn.kthread.ret_from_fork > 29.87 +0.9 30.76 perf-profile.calltrace.cycl= es-pp.rcu_do_batch.rcu_core.__softirqentry_text_start.run_ksoftirqd.smpboot= _thread_fn > 29.88 +0.9 30.78 perf-profile.calltrace.cycl= es-pp.rcu_core.__softirqentry_text_start.run_ksoftirqd.smpboot_thread_fn.kt= hread > 29.93 +0.9 30.84 perf-profile.calltrace.cycl= es-pp.smpboot_thread_fn.kthread.ret_from_fork > 29.94 +0.9 30.85 perf-profile.calltrace.cycl= es-pp.ret_from_fork > 29.94 +0.9 30.85 perf-profile.calltrace.cycl= es-pp.kthread.ret_from_fork > 0.89 =C2=B1 29% +0.9 1.81 perf-profile.calltrace= .cycles-pp.setup_object_debug.new_slab.___slab_alloc.__slab_alloc.kmem_cach= e_alloc > 7.25 =C2=B1 3% +1.1 8.36 perf-profile.calltrace= .cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.free_one_page.__= free_pages_ok.unfreeze_partials > 7.75 =C2=B1 3% +1.1 8.87 perf-profile.calltrace= .cycles-pp.__free_pages_ok.unfreeze_partials.put_cpu_partial.kmem_cache_fre= e.rcu_do_batch > 7.72 =C2=B1 3% +1.1 8.85 perf-profile.calltrace= .cycles-pp.free_one_page.__free_pages_ok.unfreeze_partials.put_cpu_partial.= kmem_cache_free > 7.29 =C2=B1 3% +1.1 8.41 perf-profile.calltrace= .cycles-pp._raw_spin_lock.free_one_page.__free_pages_ok.unfreeze_partials.p= ut_cpu_partial > 9.12 =C2=B1 3% +1.1 10.25 perf-profile.calltrace= .cycles-pp.kmem_cache_free.rcu_do_batch.rcu_core.__softirqentry_text_start.= run_ksoftirqd > 7.96 =C2=B1 3% +1.1 9.10 perf-profile.calltrace= .cycles-pp.put_cpu_partial.kmem_cache_free.rcu_do_batch.rcu_core.__softirqe= ntry_text_start > 7.92 =C2=B1 3% +1.1 9.07 perf-profile.calltrace= .cycles-pp.unfreeze_partials.put_cpu_partial.kmem_cache_free.rcu_do_batch.r= cu_core > 2.38 +1.5 3.83 perf-profile.calltrace.cycl= es-pp.new_slab.___slab_alloc.__slab_alloc.kmem_cache_alloc.__alloc_file > 10.53 +1.7 12.19 perf-profile.calltrace.cycl= es-pp.rcu_cblist_dequeue.rcu_do_batch.rcu_core.__softirqentry_text_start.ru= n_ksoftirqd > 5.47 +2.2 7.64 perf-profile.calltrace.cycl= es-pp.kmem_cache_alloc.__alloc_file.alloc_empty_file.path_openat.do_filp_op= en > 3.34 +2.2 5.56 perf-profile.calltrace.cycl= es-pp.___slab_alloc.__slab_alloc.kmem_cache_alloc.__alloc_file.alloc_empty_= file > 3.39 +2.3 5.65 perf-profile.calltrace.cycl= es-pp.__slab_alloc.kmem_cache_alloc.__alloc_file.alloc_empty_file.path_open= at > 11.39 +2.7 14.08 perf-profile.calltrace.cycl= es-pp.alloc_empty_file.path_openat.do_filp_open.do_sys_open.do_syscall_64 > 10.91 +2.7 13.63 perf-profile.calltrace.cycl= es-pp.__alloc_file.alloc_empty_file.path_openat.do_filp_open.do_sys_open > 10.62 -2.1 8.54 perf-profile.children.cycle= s-pp.file_free_rcu > 17.31 -0.8 16.51 perf-profile.children.cycle= s-pp.close > 9.47 -0.7 8.74 perf-profile.children.cycle= s-pp.link_path_walk > 6.37 -0.7 5.68 perf-profile.children.cycle= s-pp.do_dentry_open > 5.48 -0.6 4.90 perf-profile.children.cycle= s-pp.__fput > 6.49 -0.4 6.08 perf-profile.children.cycle= s-pp.selinux_inode_permission > 6.95 -0.3 6.60 perf-profile.children.cycle= s-pp.security_inode_permission > 3.48 -0.3 3.15 perf-profile.children.cycle= s-pp.lookup_fast > 2.38 -0.3 2.09 perf-profile.children.cycle= s-pp.entry_SYSCALL_64 > 1.74 =C2=B1 5% -0.3 1.46 perf-profile.children.= cycles-pp.inode_permission > 0.94 -0.3 0.66 perf-profile.children.cycle= s-pp.__close_fd > 3.10 -0.2 2.86 perf-profile.children.cycle= s-pp.__x64_sys_close > 2.27 =C2=B1 2% -0.2 2.04 =C2=B1 2% perf-profile.chil= dren.cycles-pp.dput > 2.47 -0.2 2.24 perf-profile.children.cycle= s-pp.walk_component > 2.21 =C2=B1 2% -0.2 1.98 perf-profile.children.= cycles-pp.___might_sleep > 2.24 -0.2 2.02 perf-profile.children.cycle= s-pp.syscall_return_via_sysret > 9.32 -0.2 9.12 perf-profile.children.cycle= s-pp.task_work_run > 1.17 -0.2 0.97 perf-profile.children.cycle= s-pp.ima_file_check > 1.99 -0.2 1.80 perf-profile.children.cycle= s-pp.__inode_security_revalidate > 2.92 -0.2 2.73 perf-profile.children.cycle= s-pp.security_file_open > 0.56 -0.2 0.38 perf-profile.children.cycle= s-pp.selinux_task_getsecid > 0.69 -0.2 0.51 perf-profile.children.cycle= s-pp.security_task_getsecid > 2.40 -0.2 2.24 perf-profile.children.cycle= s-pp.security_file_alloc > 0.20 =C2=B1 4% -0.1 0.06 =C2=B1 11% perf-profile.chil= dren.cycles-pp.try_module_get > 1.44 -0.1 1.31 perf-profile.children.cycle= s-pp.__might_sleep > 10.01 -0.1 9.88 perf-profile.children.cycle= s-pp.exit_to_usermode_loop > 1.46 -0.1 1.33 perf-profile.children.cycle= s-pp.inode_security_rcu > 1.00 -0.1 0.87 perf-profile.children.cycle= s-pp._cond_resched > 5.20 -0.1 5.08 perf-profile.children.cycle= s-pp.getname_flags > 1.05 -0.1 0.93 perf-profile.children.cycle= s-pp.__fsnotify_parent > 1.42 -0.1 1.30 perf-profile.children.cycle= s-pp.fsnotify > 1.41 -0.1 1.29 perf-profile.children.cycle= s-pp.__alloc_fd > 2.29 -0.1 2.18 perf-profile.children.cycle= s-pp.selinux_file_open > 0.64 -0.1 0.53 perf-profile.children.cycle= s-pp.__check_heap_object > 1.42 =C2=B1 2% -0.1 1.31 =C2=B1 2% perf-profile.chil= dren.cycles-pp.irq_exit > 1.80 -0.1 1.69 perf-profile.children.cycle= s-pp.terminate_walk > 0.33 -0.1 0.23 perf-profile.children.cycle= s-pp.file_ra_state_init > 0.65 =C2=B1 3% -0.1 0.56 perf-profile.children.= cycles-pp.generic_permission > 1.23 -0.1 1.15 perf-profile.children.cycle= s-pp.fput_many > 0.83 =C2=B1 3% -0.1 0.74 perf-profile.children.= cycles-pp._raw_spin_lock_irq > 0.53 -0.1 0.45 =C2=B1 2% perf-profile.children.= cycles-pp.rcu_all_qs > 0.58 =C2=B1 5% -0.1 0.51 =C2=B1 2% perf-profile.chil= dren.cycles-pp.mntput_no_expire > 0.75 -0.1 0.69 perf-profile.children.cycle= s-pp.lockref_put_or_lock > 1.03 -0.1 0.97 perf-profile.children.cycle= s-pp.path_init > 0.84 -0.1 0.78 perf-profile.children.cycle= s-pp.task_work_add > 0.14 =C2=B1 3% -0.1 0.08 =C2=B1 5% perf-profile.chil= dren.cycles-pp.ima_file_free > 0.26 =C2=B1 7% -0.1 0.21 =C2=B1 2% perf-profile.chil= dren.cycles-pp.path_get > 0.83 -0.0 0.78 perf-profile.children.cycle= s-pp.__slab_free > 0.62 -0.0 0.58 perf-profile.children.cycle= s-pp.percpu_counter_add_batch > 0.67 -0.0 0.63 perf-profile.children.cycle= s-pp.rcu_segcblist_enqueue > 0.20 =C2=B1 11% -0.0 0.16 =C2=B1 2% perf-profile.chil= dren.cycles-pp.mntget > 0.22 =C2=B1 4% -0.0 0.19 =C2=B1 3% perf-profile.chil= dren.cycles-pp.get_unused_fd_flags > 0.10 =C2=B1 14% -0.0 0.07 =C2=B1 10% perf-profile.chil= dren.cycles-pp.close@plt > 0.34 =C2=B1 2% -0.0 0.31 perf-profile.children.= cycles-pp.lockref_get > 0.24 -0.0 0.21 =C2=B1 2% perf-profile.children.= cycles-pp.__x64_sys_open > 0.11 =C2=B1 8% -0.0 0.08 =C2=B1 10% perf-profile.chil= dren.cycles-pp.putname > 0.18 =C2=B1 2% -0.0 0.16 perf-profile.children.= cycles-pp.should_failslab > 0.55 -0.0 0.53 perf-profile.children.cycle= s-pp.selinux_file_alloc_security > 0.21 =C2=B1 3% -0.0 0.19 =C2=B1 2% perf-profile.chil= dren.cycles-pp.expand_files > 0.07 =C2=B1 6% -0.0 0.05 perf-profile.children.= cycles-pp.module_put > 0.12 -0.0 0.10 =C2=B1 4% perf-profile.children.= cycles-pp.security_file_free > 0.17 -0.0 0.15 =C2=B1 3% perf-profile.children.= cycles-pp.find_next_zero_bit > 0.07 =C2=B1 5% -0.0 0.06 perf-profile.children.= cycles-pp.memset > 0.07 =C2=B1 5% -0.0 0.06 perf-profile.children.= cycles-pp.__mutex_init > 0.10 -0.0 0.09 perf-profile.children.cycle= s-pp.mntput > 0.12 +0.0 0.13 =C2=B1 3% perf-profile.children.= cycles-pp.__list_del_entry_valid > 0.12 =C2=B1 3% +0.0 0.14 =C2=B1 3% perf-profile.chil= dren.cycles-pp.discard_slab > 0.08 +0.0 0.10 =C2=B1 4% perf-profile.children.= cycles-pp.kick_process > 0.04 =C2=B1 57% +0.0 0.07 =C2=B1 7% perf-profile.chil= dren.cycles-pp.native_irq_return_iret > 0.12 =C2=B1 4% +0.0 0.15 =C2=B1 3% perf-profile.chil= dren.cycles-pp.blkcg_maybe_throttle_current > 1.31 +0.0 1.34 perf-profile.children.cycle= s-pp.memset_erms > 0.40 +0.0 0.44 perf-profile.children.cycle= s-pp.lockref_get_not_dead > 0.07 =C2=B1 6% +0.0 0.11 =C2=B1 3% perf-profile.chil= dren.cycles-pp.rcu_segcblist_pend_cbs > 0.01 =C2=B1173% +0.0 0.06 =C2=B1 11% perf-profile.chil= dren.cycles-pp.native_write_msr > 0.27 =C2=B1 6% +0.1 0.33 =C2=B1 10% perf-profile.chil= dren.cycles-pp.ktime_get > 0.16 =C2=B1 5% +0.1 0.22 =C2=B1 4% perf-profile.chil= dren.cycles-pp.get_partial_node > 0.01 =C2=B1173% +0.1 0.07 =C2=B1 30% perf-profile.chil= dren.cycles-pp.perf_mux_hrtimer_handler > 0.00 +0.1 0.07 =C2=B1 5% perf-profile.children.= cycles-pp.____fput > 0.05 +0.1 0.15 =C2=B1 3% perf-profile.children.= cycles-pp.__mod_zone_page_state > 0.12 =C2=B1 16% +0.1 0.23 =C2=B1 10% perf-profile.chil= dren.cycles-pp.ktime_get_update_offsets_now > 0.05 =C2=B1 8% +0.1 0.16 =C2=B1 2% perf-profile.chil= dren.cycles-pp.legitimize_links > 1.71 +0.1 1.83 perf-profile.children.cycle= s-pp.__call_rcu > 3.40 +0.1 3.52 perf-profile.children.cycle= s-pp.strncpy_from_user > 0.30 =C2=B1 2% +0.1 0.43 =C2=B1 2% perf-profile.chil= dren.cycles-pp.locks_remove_posix > 0.72 +0.1 0.86 perf-profile.children.cycle= s-pp.__virt_addr_valid > 0.08 +0.1 0.23 =C2=B1 3% perf-profile.children.= cycles-pp._raw_spin_lock_irqsave > 0.84 =C2=B1 9% +0.2 1.02 =C2=B1 8% perf-profile.chil= dren.cycles-pp.hrtimer_interrupt > 0.15 =C2=B1 3% +0.2 0.38 perf-profile.children.= cycles-pp.check_stack_object > 0.65 +0.4 1.05 perf-profile.children.cycle= s-pp.setup_object_debug > 0.36 +0.4 0.76 perf-profile.children.cycle= s-pp.get_page_from_freelist > 1.90 +0.4 2.31 perf-profile.children.cycle= s-pp.__check_object_size > 0.39 +0.4 0.84 perf-profile.children.cycle= s-pp.__alloc_pages_nodemask > 39.52 +0.7 40.22 perf-profile.children.cycle= s-pp.do_filp_open > 38.84 +0.8 39.59 perf-profile.children.cycle= s-pp.path_openat > 31.27 +0.8 32.05 perf-profile.children.cycle= s-pp.rcu_core > 31.26 +0.8 32.03 perf-profile.children.cycle= s-pp.rcu_do_batch > 31.31 +0.8 32.09 perf-profile.children.cycle= s-pp.__softirqentry_text_start > 29.90 +0.9 30.79 perf-profile.children.cycle= s-pp.run_ksoftirqd > 29.93 +0.9 30.84 perf-profile.children.cycle= s-pp.smpboot_thread_fn > 29.94 +0.9 30.85 perf-profile.children.cycle= s-pp.kthread > 29.94 +0.9 30.85 perf-profile.children.cycle= s-pp.ret_from_fork > 10.63 =C2=B1 2% +1.0 11.61 perf-profile.children.= cycles-pp.kmem_cache_free > 8.45 =C2=B1 3% +1.1 9.57 perf-profile.children.= cycles-pp._raw_spin_lock > 7.96 =C2=B1 3% +1.1 9.11 perf-profile.children.= cycles-pp.__free_pages_ok > 7.93 =C2=B1 3% +1.2 9.08 perf-profile.children.= cycles-pp.free_one_page > 8.19 =C2=B1 3% +1.2 9.36 perf-profile.children.= cycles-pp.put_cpu_partial > 8.15 =C2=B1 3% +1.2 9.32 perf-profile.children.= cycles-pp.unfreeze_partials > 7.59 =C2=B1 3% +1.3 8.89 perf-profile.children.= cycles-pp.native_queued_spin_lock_slowpath > 11.12 +1.7 12.83 perf-profile.children.cycle= s-pp.rcu_cblist_dequeue > 2.88 +1.7 4.61 perf-profile.children.cycle= s-pp.new_slab > 8.73 +1.8 10.54 perf-profile.children.cycle= s-pp.kmem_cache_alloc > 3.34 +2.2 5.56 perf-profile.children.cycle= s-pp.___slab_alloc > 3.39 +2.3 5.65 perf-profile.children.cycle= s-pp.__slab_alloc > 11.45 +2.7 14.12 perf-profile.children.cycle= s-pp.alloc_empty_file > 10.98 +2.7 13.70 perf-profile.children.cycle= s-pp.__alloc_file > 10.53 -2.1 8.47 perf-profile.self.cycles-pp= .file_free_rcu > 2.37 -0.3 2.05 perf-profile.self.cycles-pp= .kmem_cache_alloc > 1.43 -0.3 1.17 perf-profile.self.cycles-pp= .strncpy_from_user > 0.50 -0.2 0.26 =C2=B1 2% perf-profile.self.cycl= es-pp.__close_fd > 2.22 -0.2 2.00 perf-profile.self.cycles-pp= .syscall_return_via_sysret > 2.07 =C2=B1 2% -0.2 1.86 perf-profile.self.cycl= es-pp.___might_sleep > 1.01 =C2=B1 7% -0.2 0.82 perf-profile.self.cycl= es-pp.inode_permission > 1.13 -0.2 0.96 =C2=B1 2% perf-profile.self.cycl= es-pp.entry_SYSCALL_64 > 3.10 -0.2 2.93 perf-profile.self.cycles-pp= .selinux_inode_permission > 0.52 -0.2 0.35 perf-profile.self.cycles-pp= .selinux_task_getsecid > 1.33 -0.1 1.18 =C2=B1 2% perf-profile.self.cycl= es-pp.do_dentry_open > 1.55 -0.1 1.42 perf-profile.self.cycles-pp= .kmem_cache_free > 1.55 -0.1 1.43 perf-profile.self.cycles-pp= .link_path_walk > 0.17 =C2=B1 4% -0.1 0.04 =C2=B1 57% perf-profile.self= .cycles-pp.try_module_get > 1.35 -0.1 1.24 perf-profile.self.cycles-pp= .fsnotify > 0.96 -0.1 0.85 perf-profile.self.cycles-pp= .__fsnotify_parent > 1.25 =C2=B1 2% -0.1 1.14 perf-profile.self.cycl= es-pp.__might_sleep > 0.87 =C2=B1 2% -0.1 0.78 =C2=B1 2% perf-profile.self= .cycles-pp.lookup_fast > 0.79 =C2=B1 2% -0.1 0.70 =C2=B1 2% perf-profile.self= .cycles-pp.do_syscall_64 > 1.02 -0.1 0.93 perf-profile.self.cycles-pp= .do_sys_open > 0.30 -0.1 0.22 perf-profile.self.cycles-pp= .file_ra_state_init > 0.58 -0.1 0.50 perf-profile.self.cycles-pp= .__check_heap_object > 0.80 =C2=B1 3% -0.1 0.72 perf-profile.self.cycl= es-pp._raw_spin_lock_irq > 0.59 =C2=B1 2% -0.1 0.52 =C2=B1 2% perf-profile.self= .cycles-pp.generic_permission > 1.17 -0.1 1.09 perf-profile.self.cycles-pp= .__fput > 0.68 -0.1 0.60 perf-profile.self.cycles-pp= .entry_SYSCALL_64_after_hwframe > 0.84 -0.1 0.77 perf-profile.self.cycles-pp= .__inode_security_revalidate > 0.73 -0.1 0.66 perf-profile.self.cycles-pp= .task_work_add > 0.39 -0.1 0.32 =C2=B1 2% perf-profile.self.cycl= es-pp.rcu_all_qs > 0.54 =C2=B1 5% -0.1 0.47 =C2=B1 2% perf-profile.self= .cycles-pp.mntput_no_expire > 0.50 =C2=B1 6% -0.1 0.44 =C2=B1 4% perf-profile.self= .cycles-pp.dput > 0.46 -0.1 0.40 perf-profile.self.cycles-pp= ._cond_resched > 0.93 -0.1 0.88 =C2=B1 2% perf-profile.self.cycl= es-pp.close > 0.11 =C2=B1 4% -0.1 0.06 =C2=B1 11% perf-profile.self= .cycles-pp.ima_file_free > 0.83 -0.1 0.77 perf-profile.self.cycles-pp= .__slab_free > 0.61 -0.1 0.56 perf-profile.self.cycles-pp= .__alloc_fd > 0.87 -0.1 0.82 perf-profile.self.cycles-pp= ._raw_spin_lock > 0.69 -0.0 0.64 perf-profile.self.cycles-pp= .lockref_put_or_lock > 0.67 -0.0 0.62 perf-profile.self.cycles-pp= .rcu_segcblist_enqueue > 0.46 -0.0 0.41 perf-profile.self.cycles-pp= .do_filp_open > 0.56 -0.0 0.51 perf-profile.self.cycles-pp= .percpu_counter_add_batch > 1.05 =C2=B1 2% -0.0 1.01 perf-profile.self.cycl= es-pp.path_openat > 0.28 =C2=B1 2% -0.0 0.24 =C2=B1 4% perf-profile.self= .cycles-pp.security_file_open > 0.94 =C2=B1 2% -0.0 0.90 perf-profile.self.cycl= es-pp.open64 > 0.21 =C2=B1 6% -0.0 0.17 =C2=B1 4% perf-profile.self= .cycles-pp.get_unused_fd_flags > 0.17 =C2=B1 13% -0.0 0.14 =C2=B1 3% perf-profile.self= .cycles-pp.mntget > 0.39 -0.0 0.35 perf-profile.self.cycles-pp= .fput_many > 0.37 -0.0 0.34 perf-profile.self.cycles-pp= .getname_flags > 0.43 -0.0 0.41 perf-profile.self.cycles-pp= .path_init > 0.33 -0.0 0.30 =C2=B1 2% perf-profile.self.cycl= es-pp.lockref_get > 0.20 =C2=B1 2% -0.0 0.17 perf-profile.self.cycl= es-pp.filp_close > 0.52 -0.0 0.50 perf-profile.self.cycles-pp= .selinux_file_alloc_security > 0.22 -0.0 0.20 =C2=B1 2% perf-profile.self.cycl= es-pp.__x64_sys_open > 0.28 =C2=B1 2% -0.0 0.26 perf-profile.self.cycl= es-pp.inode_security_rcu > 0.19 =C2=B1 4% -0.0 0.17 =C2=B1 2% perf-profile.self= .cycles-pp.expand_files > 0.09 =C2=B1 9% -0.0 0.07 =C2=B1 6% perf-profile.self= .cycles-pp.putname > 0.10 -0.0 0.08 =C2=B1 5% perf-profile.self.cycl= es-pp.security_file_free > 0.15 =C2=B1 3% -0.0 0.14 =C2=B1 3% perf-profile.self= .cycles-pp.find_next_zero_bit > 0.12 =C2=B1 3% -0.0 0.11 =C2=B1 4% perf-profile.self= .cycles-pp.nd_jump_root > 0.08 -0.0 0.07 perf-profile.self.cycles-pp= .fd_install > 0.06 -0.0 0.05 perf-profile.self.cycles-pp= .path_get > 0.12 +0.0 0.13 =C2=B1 3% perf-profile.self.cycl= es-pp.__list_del_entry_valid > 0.07 =C2=B1 5% +0.0 0.09 perf-profile.self.cycl= es-pp.get_partial_node > 0.12 =C2=B1 3% +0.0 0.14 =C2=B1 3% perf-profile.self= .cycles-pp.discard_slab > 0.11 +0.0 0.13 =C2=B1 3% perf-profile.self.cycl= es-pp.blkcg_maybe_throttle_current > 0.06 +0.0 0.08 =C2=B1 5% perf-profile.self.cycl= es-pp.kick_process > 0.28 =C2=B1 2% +0.0 0.30 perf-profile.self.cycl= es-pp.__x64_sys_close > 0.04 =C2=B1 57% +0.0 0.07 =C2=B1 7% perf-profile.self= .cycles-pp.native_irq_return_iret > 0.39 +0.0 0.42 perf-profile.self.cycles-pp= .lockref_get_not_dead > 0.53 +0.0 0.57 perf-profile.self.cycles-pp= .exit_to_usermode_loop > 0.06 =C2=B1 7% +0.0 0.10 =C2=B1 4% perf-profile.self= .cycles-pp.rcu_segcblist_pend_cbs > 0.01 =C2=B1173% +0.0 0.06 =C2=B1 11% perf-profile.self= .cycles-pp.native_write_msr > 0.28 +0.0 0.33 perf-profile.self.cycles-pp= .terminate_walk > 0.27 =C2=B1 5% +0.1 0.32 =C2=B1 11% perf-profile.self= .cycles-pp.ktime_get > 0.00 +0.1 0.05 =C2=B1 9% perf-profile.self.cycl= es-pp._raw_spin_lock_irqsave > 0.43 =C2=B1 5% +0.1 0.49 =C2=B1 3% perf-profile.self= .cycles-pp.security_inode_permission > 0.00 +0.1 0.06 =C2=B1 6% perf-profile.self.cycl= es-pp.____fput > 0.00 +0.1 0.08 perf-profile.self.cycles-pp= .__alloc_pages_nodemask > 0.05 +0.1 0.15 =C2=B1 3% perf-profile.self.cycl= es-pp.__mod_zone_page_state > 0.25 =C2=B1 3% +0.1 0.35 =C2=B1 2% perf-profile.self= .cycles-pp.locks_remove_posix > 0.12 =C2=B1 17% +0.1 0.23 =C2=B1 11% perf-profile.self= .cycles-pp.ktime_get_update_offsets_now > 0.14 +0.1 0.25 perf-profile.self.cycles-pp= .setup_object_debug > 0.93 +0.1 1.04 perf-profile.self.cycles-pp= .__call_rcu > 0.46 +0.1 0.58 perf-profile.self.cycles-pp= .__check_object_size > 0.13 =C2=B1 3% +0.1 0.26 =C2=B1 3% perf-profile.self= .cycles-pp.get_page_from_freelist > 0.00 +0.1 0.13 =C2=B1 3% perf-profile.self.cycl= es-pp.legitimize_links > 0.68 +0.1 0.81 perf-profile.self.cycles-pp= .__virt_addr_valid > 0.40 =C2=B1 11% +0.2 0.58 perf-profile.self.cycl= es-pp.may_open > 0.12 +0.2 0.31 perf-profile.self.cycles-pp= .check_stack_object > 0.90 +0.3 1.22 perf-profile.self.cycles-pp= .task_work_run > 0.30 +0.4 0.73 perf-profile.self.cycles-pp= .___slab_alloc > 2.88 +0.7 3.59 perf-profile.self.cycles-pp= .__alloc_file > 2.27 +1.1 3.38 perf-profile.self.cycles-pp= .new_slab > 7.59 =C2=B1 3% +1.3 8.89 perf-profile.self.cycl= es-pp.native_queued_spin_lock_slowpath > 11.04 +1.7 12.73 perf-profile.self.cycles-pp= .rcu_cblist_dequeue > > > > will-it-scale.per_process_ops > > 385000 +-+-------------------------------------------------------------= ---+ > | .+ .+. .+ = | > 380000 +-+.++ : +.++.+ +.++.+ : = | > 375000 +-+ : + : = | > | +.+ .+.++.+ ++. .+.+.+ .+.+.+ = .+.| > 370000 +-+ +.+ +.+.++ + += | > 365000 +-+ = | > | = | > 360000 +-+ = | > 355000 +-+ = | > | = | > 350000 +-+ = | > 345000 O-+ OO O O OO O O OO O O O = | > | O O O O O OO O O = | > 340000 +-+-------------------------------------------------------------= ---+ > > > will-it-scale.workload > > 7.4e+07 +-+------------------------------------------------------------= ---+ > | .+ .+ .+ = | > 7.3e+07 +-++.+ : ++.+.+ +.+.++ : = | > 7.2e+07 +-+ : + : = | > | ++. .++.+.+ +.+ +.+.+.++.+.+.= +.| > 7.1e+07 +-+ +.+ +.+.+.+ = + | > 7e+07 +-+ = | > | = | > 6.9e+07 +-+ = | > 6.8e+07 +-+ = | > | = | > 6.7e+07 +-+ O O = | > 6.6e+07 O-OO O O OO O OO O O O O O O O = | > | O O O O = | > 6.5e+07 +-+------------------------------------------------------------= ---+ > > > [*] bisect-good sample > [O] bisect-bad sample > > > > 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. > > > Thanks, > Rong Chen >