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X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Jan 2026 13:49:41.5858 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: mj1ny7gIRG5Reisy5y0y7h2iF93pXiik8NYZp/dn8LXDa5g9tUya8KgiTnVqSv9+VhpKO+I87rtGP7I78bGl8g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR11MB6541 X-OriginatorOrg: intel.com Hello, kernel test robot noticed a 19.2% regression of stress-ng.getrandom.ops_per_sec on: commit: c25feb76bcb9eef1db49b4793195808b5b268bdd ("x86: Use PIE codegen for the relocatable 64-bit kernel") https://git.kernel.org/cgit/linux/kernel/git/ardb/linux.git x86-pie-v3+i386 testcase: stress-ng config: x86_64-rhel-9.4 compiler: gcc-14 test machine: 256 threads 2 sockets Intel(R) Xeon(R) 6768P CPU @ 2.4GHz (Granite Rapids) with 64G memory parameters: nr_threads: 100% testtime: 60s test: getrandom cpufreq_governor: performance In addition to that, the commit also has significant impact on the following tests: +------------------+---------------------------------------------------------------------------------------------+ | testcase: change | stress-ng: stress-ng.shm-sysv.ops_per_sec 7.0% regression | | test machine | 224 threads 2 sockets Intel(R) Xeon(R) Platinum 8480CTDX (Sapphire Rapids) with 256G memory | | test parameters | cpufreq_governor=performance | | | nr_threads=100% | | | test=shm-sysv | | | testtime=60s | +------------------+---------------------------------------------------------------------------------------------+ 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/202601132133.b925ffea-lkp@intel.com Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20260113/202601132133.b925ffea-lkp@intel.com ========================================================================================= compiler/cpufreq_governor/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime: gcc-14/performance/x86_64-rhel-9.4/100%/debian-13-x86_64-20250902.cgz/lkp-gnr-2sp4/getrandom/stress-ng/60s commit: 34e6669c5d ("tools/objtool: Treat indirect ftrace calls as direct calls") c25feb76bc ("x86: Use PIE codegen for the relocatable 64-bit kernel") 34e6669c5d74fc8a c25feb76bcb9eef1db49b479319 ---------------- --------------------------- %stddev %change %stddev \ | \ 141205 ± 18% +121.9% 313389 ± 28% numa-meminfo.node1.Mapped 765384 ± 12% +20.2% 920026 ± 8% numa-numastat.node1.local_node 25.36 ± 15% +43.5% 36.40 ± 23% sched_debug.cpu.clock.stddev 1.98 +4655.9% 94.11 vmstat.cpu.sy 93.03 -99.0% 0.97 vmstat.cpu.us 0.36 +0.3 0.68 ± 4% mpstat.cpu.all.irq% 1.69 +94.9 96.61 mpstat.cpu.all.sys% 96.01 -95.1 0.89 ± 2% mpstat.cpu.all.usr% 1360746 ± 3% +19.9% 1632180 meminfo.Active 1359818 ± 3% +20.0% 1632180 meminfo.Active(anon) 216996 ± 12% +87.5% 406839 ± 12% meminfo.Mapped 630155 ± 7% +43.2% 902385 ± 2% meminfo.Shmem 117.20 -100.0% 0.00 numa-vmstat.node0.nr_active_file 117.20 -100.0% 0.00 numa-vmstat.node0.nr_zone_active_file 114.95 -100.0% 0.00 numa-vmstat.node1.nr_active_file 35366 ± 18% +120.8% 78073 ± 29% numa-vmstat.node1.nr_mapped 114.95 -100.0% 0.00 numa-vmstat.node1.nr_zone_active_file 765204 ± 12% +20.2% 919955 ± 8% numa-vmstat.node1.numa_local 3.647e+09 -19.1% 2.952e+09 stress-ng.getrandom.getrandom_bits_per_sec 8.553e+08 -19.2% 6.911e+08 stress-ng.getrandom.ops 14264185 -19.2% 11525185 stress-ng.getrandom.ops_per_sec 22088 -6.9% 20574 stress-ng.time.minor_page_faults 256.84 +5775.5% 15090 stress-ng.time.system_time 14971 -99.4% 93.58 stress-ng.time.user_time 3600 -1.6% 3544 turbostat.Bzy_MHz 60.00 ± 13% +17.8% 70.67 turbostat.CoreTmp 1.19 +110.9% 2.51 turbostat.IPC 61.17 ± 11% +15.0% 70.33 turbostat.PkgTmp 504.27 ± 21% +28.8% 649.34 turbostat.PkgWatt 4.92 +4.2% 5.13 turbostat.RAMWatt 794.46 ± 16% +21.8% 967.76 turbostat.SysWatt 340316 ± 3% +19.9% 408200 proc-vmstat.nr_active_anon 232.13 -100.0% 0.00 proc-vmstat.nr_active_file 1083392 +6.3% 1151244 proc-vmstat.nr_file_pages 54340 ± 12% +87.3% 101773 ± 12% proc-vmstat.nr_mapped 8803 ± 2% +7.9% 9502 ± 2% proc-vmstat.nr_page_table_pages 157880 ± 7% +43.0% 225732 ± 2% proc-vmstat.nr_shmem 340316 ± 3% +19.9% 408200 proc-vmstat.nr_zone_active_anon 232.13 -100.0% 0.00 proc-vmstat.nr_zone_active_file 1389528 ± 3% +13.6% 1579043 proc-vmstat.numa_hit 1125848 ± 4% +16.8% 1315429 proc-vmstat.numa_local 1455570 ± 3% +13.7% 1654428 proc-vmstat.pgalloc_normal 1.936e+10 ± 44% +254.9% 6.87e+10 perf-stat.i.branch-instructions 27271249 ± 44% +23.4% 33659627 perf-stat.i.branch-misses 13.50 ± 44% +7.4 20.92 ± 5% perf-stat.i.cache-miss-rate% 2495358 ± 45% +62.1% 4044168 ± 4% perf-stat.i.cache-misses 9.015e+11 ± 44% +148.9% 2.244e+12 perf-stat.i.instructions 0.99 ± 44% +152.8% 2.51 perf-stat.i.ipc 7641 ± 44% +25.9% 9618 perf-stat.i.minor-faults 7641 ± 44% +25.9% 9619 perf-stat.i.page-faults 10.72 ± 45% +9.9 20.60 ± 6% perf-stat.overall.cache-miss-rate% 0.99 ± 44% +152.6% 2.51 perf-stat.overall.ipc 1.904e+10 ± 44% +254.6% 6.753e+10 perf-stat.ps.branch-instructions 26960548 ± 44% +24.2% 33492680 perf-stat.ps.branch-misses 2478150 ± 45% +59.6% 3956015 ± 4% perf-stat.ps.cache-misses 8.868e+11 ± 44% +148.7% 2.205e+12 perf-stat.ps.instructions 5.433e+13 ± 44% +146.2% 1.338e+14 perf-stat.total.instructions 0.66 ±223% +9.5 10.14 perf-profile.calltrace.cycles-pp._copy_to_iter.get_random_bytes_user.__x64_sys_getrandom.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +75.7 75.72 perf-profile.calltrace.cycles-pp.chacha_permute.chacha_block_generic.get_random_bytes_user.__x64_sys_getrandom.do_syscall_64 0.00 +85.0 84.99 perf-profile.calltrace.cycles-pp.chacha_block_generic.get_random_bytes_user.__x64_sys_getrandom.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +96.6 96.64 perf-profile.calltrace.cycles-pp.get_random_bytes_user.__x64_sys_getrandom.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +97.2 97.20 perf-profile.calltrace.cycles-pp.__x64_sys_getrandom.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +97.4 97.40 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +97.4 97.44 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe 0.00 +0.1 0.08 perf-profile.children.cycles-pp.__x64_sys_clock_gettime 0.01 ±223% +0.2 0.22 ± 2% perf-profile.children.cycles-pp.clock_gettime 0.68 ±223% +9.7 10.36 perf-profile.children.cycles-pp._copy_to_iter 5.00 ±223% +72.3 77.26 perf-profile.children.cycles-pp.chacha_permute 5.70 ±223% +81.2 86.86 perf-profile.children.cycles-pp.chacha_block_generic 9.37 ±223% +89.7 99.03 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 9.18 ±223% +89.8 98.96 perf-profile.children.cycles-pp.do_syscall_64 8.05 ±223% +90.2 98.28 perf-profile.children.cycles-pp.__x64_sys_getrandom 7.80 ±223% +90.4 98.19 perf-profile.children.cycles-pp.get_random_bytes_user 0.02 ±223% +0.1 0.12 perf-profile.self.cycles-pp.perf_mmap__read_head 0.68 ±223% +8.8 9.46 perf-profile.self.cycles-pp.chacha_block_generic 0.66 ±223% +9.4 10.02 perf-profile.self.cycles-pp._copy_to_iter 4.99 ±223% +71.6 76.60 perf-profile.self.cycles-pp.chacha_permute *************************************************************************************************** lkp-spr-r02: 224 threads 2 sockets Intel(R) Xeon(R) Platinum 8480CTDX (Sapphire Rapids) with 256G memory ========================================================================================= compiler/cpufreq_governor/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime: gcc-14/performance/x86_64-rhel-9.4/100%/debian-13-x86_64-20250902.cgz/lkp-spr-r02/shm-sysv/stress-ng/60s commit: 34e6669c5d ("tools/objtool: Treat indirect ftrace calls as direct calls") c25feb76bc ("x86: Use PIE codegen for the relocatable 64-bit kernel") 34e6669c5d74fc8a c25feb76bcb9eef1db49b479319 ---------------- --------------------------- %stddev %change %stddev \ | \ 499796 ± 23% +33.9% 669008 ± 24% numa-meminfo.node0.AnonPages 55471 ± 79% +104.3% 113310 ± 40% numa-numastat.node1.other_node 19.54 +4.3 23.85 mpstat.cpu.all.sys% 23.08 +20.0% 27.70 mpstat.max_utilization_pct 124946 ± 23% +33.9% 167294 ± 24% numa-vmstat.node0.nr_anon_pages 55471 ± 79% +104.3% 113310 ± 40% numa-vmstat.node1.numa_other 18.25 ± 7% +36.2% 24.85 ± 22% perf-sched.sch_delay.max.ms.[unknown].[unknown].[unknown].[unknown].[unknown] 18.25 ± 7% +36.2% 24.85 ± 22% perf-sched.total_sch_delay.max.ms 364644 -7.9% 335945 vmstat.system.cs 315205 +2.3% 322604 vmstat.system.in 5776 ± 3% -14.4% 4945 ± 3% perf-c2c.DRAM.local 10075 -12.2% 8845 perf-c2c.DRAM.remote 7204 -12.3% 6320 perf-c2c.HITM.remote 18556 -10.0% 16695 perf-c2c.HITM.total 14630 +33.8% 19571 sched_debug.cfs_rq:/.avg_vruntime.avg 7398 ± 9% +60.0% 11839 ± 7% sched_debug.cfs_rq:/.avg_vruntime.min 174.02 ± 4% +13.5% 197.54 ± 4% sched_debug.cfs_rq:/.runnable_avg.avg 173.82 ± 4% +13.5% 197.28 ± 4% sched_debug.cfs_rq:/.util_avg.avg 21.82 ± 16% +33.9% 29.21 ± 18% sched_debug.cfs_rq:/.util_est.avg 78.04 ± 8% +11.4% 86.91 ± 4% sched_debug.cfs_rq:/.util_est.stddev 14610 +33.8% 19544 sched_debug.cfs_rq:/.zero_vruntime.avg 7398 ± 9% +59.9% 11829 ± 7% sched_debug.cfs_rq:/.zero_vruntime.min 3141 -13.4% 2720 ± 2% sched_debug.cpu.nr_switches.stddev 636.20 +21.1% 770.33 turbostat.Avg_MHz 21.99 +4.6 26.61 turbostat.Busy% 65.16 -3.2 61.92 turbostat.C1E% 12.48 -1.4 11.06 turbostat.C6% 60.39 -10.0% 54.35 turbostat.CPU%c1 0.38 -11.8% 0.34 turbostat.IPC 2143617 +12.0% 2400504 turbostat.NMI 433.52 +2.5% 444.32 turbostat.PkgWatt 24.67 -2.2% 24.11 turbostat.RAMWatt 548105 -1.2% 541578 proc-vmstat.nr_active_anon 94151 +1.6% 95647 proc-vmstat.nr_mapped 24345 ± 3% -6.7% 22703 ± 3% proc-vmstat.nr_page_table_pages 219544 -2.2% 214606 proc-vmstat.nr_shmem 548105 -1.2% 541578 proc-vmstat.nr_zone_active_anon 37786403 -8.1% 34715344 proc-vmstat.numa_hit 37553119 -8.2% 34480850 proc-vmstat.numa_local 39821469 -8.1% 36607213 proc-vmstat.pgalloc_normal 54193632 ± 2% -5.2% 51380280 ± 2% proc-vmstat.pgfault 38799735 -8.3% 35597616 proc-vmstat.pgfree 5331325 -6.9% 4963469 proc-vmstat.unevictable_pgs_scanned 199852 +26.7% 253131 stress-ng.shm-sysv.nanosecs_per_shmat_call 351330 +28.3% 450754 stress-ng.shm-sysv.nanosecs_per_shmdt_call 182368 +28.1% 233637 stress-ng.shm-sysv.nanosecs_per_shmget_call 796981 -7.0% 741169 stress-ng.shm-sysv.ops 13290 -7.0% 12360 stress-ng.shm-sysv.ops_per_sec 66452 -2.8% 64601 stress-ng.time.involuntary_context_switches 53480084 ± 2% -5.3% 50668106 ± 2% stress-ng.time.minor_page_faults 4602 +23.3% 5676 stress-ng.time.percent_of_cpu_this_job_got 2547 +26.1% 3211 stress-ng.time.system_time 217.53 -8.5% 199.05 stress-ng.time.user_time 10869031 -7.8% 10016582 stress-ng.time.voluntary_context_switches 3.02 -13.9% 2.60 perf-stat.i.MPKI 1.102e+10 +7.4% 1.183e+10 perf-stat.i.branch-instructions 0.75 -0.1 0.69 perf-stat.i.branch-miss-rate% 80729871 -1.4% 79583495 perf-stat.i.branch-misses 31.78 -1.1 30.72 perf-stat.i.cache-miss-rate% 1.685e+08 -7.9% 1.551e+08 perf-stat.i.cache-misses 5.318e+08 -4.6% 5.072e+08 perf-stat.i.cache-references 376543 -7.9% 346811 perf-stat.i.context-switches 2.58 +12.8% 2.90 perf-stat.i.cpi 1.443e+11 +21.1% 1.748e+11 perf-stat.i.cpu-cycles 18797 +15.3% 21669 perf-stat.i.cpu-migrations 856.11 +31.5% 1125 perf-stat.i.cycles-between-cache-misses 5.584e+10 +7.2% 5.988e+10 perf-stat.i.instructions 0.39 -11.2% 0.35 perf-stat.i.ipc 9.62 -5.8% 9.06 ± 2% perf-stat.i.metric.K/sec 876497 ± 2% -5.3% 829909 ± 2% perf-stat.i.minor-faults 902246 ± 2% -5.4% 853818 ± 2% perf-stat.i.page-faults 3.02 -14.2% 2.59 perf-stat.overall.MPKI 0.73 -0.1 0.67 perf-stat.overall.branch-miss-rate% 31.68 -1.1 30.57 perf-stat.overall.cache-miss-rate% 2.58 +12.9% 2.92 perf-stat.overall.cpi 856.97 +31.6% 1127 perf-stat.overall.cycles-between-cache-misses 0.39 -11.5% 0.34 perf-stat.overall.ipc 1.084e+10 +7.4% 1.164e+10 perf-stat.ps.branch-instructions 79335480 -1.4% 78206975 perf-stat.ps.branch-misses 1.657e+08 -8.0% 1.525e+08 perf-stat.ps.cache-misses 5.23e+08 -4.6% 4.988e+08 perf-stat.ps.cache-references 370379 -7.9% 341116 perf-stat.ps.context-switches 1.419e+11 +21.1% 1.719e+11 perf-stat.ps.cpu-cycles 18488 +15.3% 21312 perf-stat.ps.cpu-migrations 5.492e+10 +7.2% 5.89e+10 perf-stat.ps.instructions 862011 ± 2% -5.3% 816105 ± 2% perf-stat.ps.minor-faults 887340 ± 2% -5.4% 839624 ± 2% perf-stat.ps.page-faults 3.34e+12 +7.3% 3.584e+12 perf-stat.total.instructions 8.47 -1.9 6.59 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe 8.46 -1.9 6.58 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe 30.66 -1.8 28.89 perf-profile.calltrace.cycles-pp.osq_lock.rwsem_down_write_slowpath.down_write.ipcget.__x64_sys_shmget 7.71 -1.7 6.01 perf-profile.calltrace.cycles-pp.do_exit.do_group_exit.__x64_sys_exit_group.x64_sys_call.do_syscall_64 7.71 -1.7 6.01 perf-profile.calltrace.cycles-pp.__x64_sys_exit_group.x64_sys_call.do_syscall_64.entry_SYSCALL_64_after_hwframe 7.71 -1.7 6.01 perf-profile.calltrace.cycles-pp.do_group_exit.__x64_sys_exit_group.x64_sys_call.do_syscall_64.entry_SYSCALL_64_after_hwframe 7.71 -1.7 6.02 perf-profile.calltrace.cycles-pp.x64_sys_call.do_syscall_64.entry_SYSCALL_64_after_hwframe 7.46 -1.6 5.82 perf-profile.calltrace.cycles-pp.exit_mm.do_exit.do_group_exit.__x64_sys_exit_group.x64_sys_call 7.46 -1.6 5.81 perf-profile.calltrace.cycles-pp.__mmput.exit_mm.do_exit.do_group_exit.__x64_sys_exit_group 7.44 -1.6 5.80 ± 2% perf-profile.calltrace.cycles-pp.exit_mmap.__mmput.exit_mm.do_exit.do_group_exit 11.73 -1.6 10.17 ± 2% perf-profile.calltrace.cycles-pp._Fork 34.38 -1.5 32.84 perf-profile.calltrace.cycles-pp.shmget 34.34 -1.5 32.80 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.shmget 34.33 -1.5 32.80 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.shmget 34.30 -1.5 32.77 perf-profile.calltrace.cycles-pp.ipcget.__x64_sys_shmget.do_syscall_64.entry_SYSCALL_64_after_hwframe.shmget 34.31 -1.5 32.78 perf-profile.calltrace.cycles-pp.__x64_sys_shmget.do_syscall_64.entry_SYSCALL_64_after_hwframe.shmget 11.37 -1.5 9.88 ± 2% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe._Fork 11.37 -1.5 9.88 ± 2% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe._Fork 11.36 -1.5 9.88 ± 2% perf-profile.calltrace.cycles-pp.__do_sys_clone.do_syscall_64.entry_SYSCALL_64_after_hwframe._Fork 11.36 -1.5 9.88 ± 2% perf-profile.calltrace.cycles-pp.kernel_clone.__do_sys_clone.do_syscall_64.entry_SYSCALL_64_after_hwframe._Fork 10.82 -1.4 9.45 ± 2% perf-profile.calltrace.cycles-pp.copy_process.kernel_clone.__do_sys_clone.do_syscall_64.entry_SYSCALL_64_after_hwframe 10.45 -1.3 9.16 ± 2% perf-profile.calltrace.cycles-pp.dup_mm.copy_process.kernel_clone.__do_sys_clone.do_syscall_64 32.73 -1.2 31.52 perf-profile.calltrace.cycles-pp.down_write.ipcget.__x64_sys_shmget.do_syscall_64.entry_SYSCALL_64_after_hwframe 32.60 -1.2 31.41 perf-profile.calltrace.cycles-pp.rwsem_down_write_slowpath.down_write.ipcget.__x64_sys_shmget.do_syscall_64 5.21 -1.2 4.03 perf-profile.calltrace.cycles-pp.common_startup_64 5.18 -1.2 4.01 perf-profile.calltrace.cycles-pp.start_secondary.common_startup_64 5.18 -1.2 4.01 perf-profile.calltrace.cycles-pp.cpu_startup_entry.start_secondary.common_startup_64 5.18 -1.2 4.01 perf-profile.calltrace.cycles-pp.do_idle.cpu_startup_entry.start_secondary.common_startup_64 9.62 -1.2 8.46 ± 2% perf-profile.calltrace.cycles-pp.dup_mmap.dup_mm.copy_process.kernel_clone.__do_sys_clone 4.42 -1.0 3.41 perf-profile.calltrace.cycles-pp.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary.common_startup_64 4.24 -1.0 3.26 perf-profile.calltrace.cycles-pp.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary 4.14 -1.0 3.18 perf-profile.calltrace.cycles-pp.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry 3.53 -0.8 2.75 perf-profile.calltrace.cycles-pp.free_pgtables.exit_mmap.__mmput.exit_mm.do_exit 2.79 -0.6 2.18 perf-profile.calltrace.cycles-pp.unlink_anon_vmas.free_pgtables.exit_mmap.__mmput.exit_mm 2.43 ± 3% -0.5 1.88 ± 3% perf-profile.calltrace.cycles-pp.unmap_vmas.exit_mmap.__mmput.exit_mm.do_exit 2.35 ± 3% -0.5 1.82 ± 3% perf-profile.calltrace.cycles-pp.unmap_page_range.unmap_vmas.exit_mmap.__mmput.exit_mm 2.29 ± 3% -0.5 1.78 ± 3% perf-profile.calltrace.cycles-pp.zap_pmd_range.unmap_page_range.unmap_vmas.exit_mmap.__mmput 2.03 ± 2% -0.5 1.53 perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle 2.23 ± 3% -0.5 1.73 ± 3% perf-profile.calltrace.cycles-pp.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas.exit_mmap 1.93 ± 2% -0.5 1.45 perf-profile.calltrace.cycles-pp.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call 3.93 -0.5 3.48 ± 2% perf-profile.calltrace.cycles-pp.anon_vma_clone.anon_vma_fork.dup_mmap.dup_mm.copy_process 9.37 -0.4 8.93 perf-profile.calltrace.cycles-pp.osq_lock.rwsem_down_write_slowpath.down_write.ksys_shmctl.do_syscall_64 0.67 ± 2% -0.4 0.25 ±100% perf-profile.calltrace.cycles-pp.__vma_start_write.dup_mmap.dup_mm.copy_process.kernel_clone 1.66 -0.4 1.26 perf-profile.calltrace.cycles-pp.anon_vma_interval_tree_insert.anon_vma_clone.anon_vma_fork.dup_mmap.dup_mm 1.93 -0.4 1.55 ± 3% perf-profile.calltrace.cycles-pp.ordered_events__queue.process_simple.reader__read_event.perf_session__process_events.record__finish_output 1.94 -0.4 1.56 ± 3% perf-profile.calltrace.cycles-pp.process_simple.reader__read_event.perf_session__process_events.record__finish_output.cmd_record 1.93 -0.4 1.55 ± 3% perf-profile.calltrace.cycles-pp.queue_event.ordered_events__queue.process_simple.reader__read_event.perf_session__process_events 1.63 ± 4% -0.4 1.26 ± 4% perf-profile.calltrace.cycles-pp.zap_present_ptes.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas 1.95 -0.4 1.60 perf-profile.calltrace.cycles-pp.reader__read_event.perf_session__process_events.record__finish_output.cmd_record 1.95 -0.4 1.60 perf-profile.calltrace.cycles-pp.cmd_record 1.95 -0.4 1.60 perf-profile.calltrace.cycles-pp.perf_session__process_events.record__finish_output.cmd_record 1.95 -0.4 1.60 perf-profile.calltrace.cycles-pp.record__finish_output.cmd_record 1.58 ± 5% -0.3 1.24 ± 5% perf-profile.calltrace.cycles-pp.asm_exc_page_fault 1.43 ± 3% -0.3 1.09 ± 6% perf-profile.calltrace.cycles-pp.copy_page_range.dup_mmap.dup_mm.copy_process.kernel_clone 1.40 ± 3% -0.3 1.07 ± 7% perf-profile.calltrace.cycles-pp.copy_p4d_range.copy_page_range.dup_mmap.dup_mm.copy_process 5.74 -0.3 5.42 ± 2% perf-profile.calltrace.cycles-pp.anon_vma_fork.dup_mmap.dup_mm.copy_process.kernel_clone 1.38 ± 5% -0.3 1.09 ± 5% perf-profile.calltrace.cycles-pp.exc_page_fault.asm_exc_page_fault 1.38 ± 5% -0.3 1.08 ± 5% perf-profile.calltrace.cycles-pp.do_user_addr_fault.exc_page_fault.asm_exc_page_fault 0.63 ± 2% -0.3 0.35 ± 70% perf-profile.calltrace.cycles-pp.down_write.unlink_anon_vmas.free_pgtables.exit_mmap.__mmput 10.00 -0.3 9.71 perf-profile.calltrace.cycles-pp.down_write.ksys_shmctl.do_syscall_64.entry_SYSCALL_64_after_hwframe.shmctl 1.23 ± 3% -0.3 0.94 ± 7% perf-profile.calltrace.cycles-pp.copy_pte_range.copy_p4d_range.copy_page_range.dup_mmap.dup_mm 9.95 -0.3 9.68 perf-profile.calltrace.cycles-pp.rwsem_down_write_slowpath.down_write.ksys_shmctl.do_syscall_64.entry_SYSCALL_64_after_hwframe 1.10 -0.3 0.84 ± 2% perf-profile.calltrace.cycles-pp.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter 1.08 -0.3 0.82 ± 2% perf-profile.calltrace.cycles-pp.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state 1.19 -0.2 0.94 perf-profile.calltrace.cycles-pp.intel_idle.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle 1.15 ± 6% -0.2 0.91 ± 6% perf-profile.calltrace.cycles-pp.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault 1.11 ± 6% -0.2 0.88 ± 6% perf-profile.calltrace.cycles-pp.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault 0.88 ± 5% -0.2 0.66 ± 9% perf-profile.calltrace.cycles-pp.copy_present_ptes.copy_pte_range.copy_p4d_range.copy_page_range.dup_mmap 0.98 ± 7% -0.2 0.78 ± 5% perf-profile.calltrace.cycles-pp.do_read_fault.do_fault.__handle_mm_fault.handle_mm_fault.do_user_addr_fault 0.99 ± 7% -0.2 0.78 ± 5% perf-profile.calltrace.cycles-pp.do_fault.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault 0.94 ± 7% -0.2 0.75 ± 5% perf-profile.calltrace.cycles-pp.filemap_map_pages.do_read_fault.do_fault.__handle_mm_fault.handle_mm_fault 0.80 ± 2% -0.2 0.61 ± 2% perf-profile.calltrace.cycles-pp.__hrtimer_run_queues.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt 0.75 -0.2 0.57 perf-profile.calltrace.cycles-pp.poll_idle.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle 0.70 ± 2% -0.2 0.54 ± 2% perf-profile.calltrace.cycles-pp.tick_nohz_handler.__hrtimer_run_queues.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt 0.88 -0.1 0.73 perf-profile.calltrace.cycles-pp.up_write.ipcget.__x64_sys_shmget.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.79 ± 5% -0.1 0.65 ± 3% perf-profile.calltrace.cycles-pp.tlb_finish_mmu.exit_mmap.__mmput.exit_mm.do_exit 0.78 ± 5% -0.1 0.64 ± 4% perf-profile.calltrace.cycles-pp.__tlb_batch_free_encoded_pages.tlb_finish_mmu.exit_mmap.__mmput.exit_mm 0.77 ± 5% -0.1 0.64 ± 4% perf-profile.calltrace.cycles-pp.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages.tlb_finish_mmu.exit_mmap.__mmput 0.80 -0.1 0.66 perf-profile.calltrace.cycles-pp.rwsem_wake.up_write.ipcget.__x64_sys_shmget.do_syscall_64 0.79 -0.1 0.68 perf-profile.calltrace.cycles-pp.mm_init.dup_mm.copy_process.kernel_clone.__do_sys_clone 1.20 ± 2% +0.2 1.37 ± 3% perf-profile.calltrace.cycles-pp.down_write.anon_vma_clone.anon_vma_fork.dup_mmap.dup_mm 0.51 +0.2 0.71 perf-profile.calltrace.cycles-pp.up_write.do_shmat.__x64_sys_shmat.do_syscall_64.entry_SYSCALL_64_after_hwframe 1.36 ± 2% +0.2 1.57 ± 3% perf-profile.calltrace.cycles-pp.down_write.anon_vma_fork.dup_mmap.dup_mm.copy_process 1.30 ± 2% +0.2 1.53 ± 3% perf-profile.calltrace.cycles-pp.rwsem_down_write_slowpath.down_write.anon_vma_fork.dup_mmap.dup_mm 0.98 ± 2% +0.2 1.21 ± 3% perf-profile.calltrace.cycles-pp.rwsem_down_write_slowpath.down_write.anon_vma_clone.anon_vma_fork.dup_mmap 1.42 +0.3 1.68 perf-profile.calltrace.cycles-pp.do_mmap.do_shmat.__x64_sys_shmat.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.98 +0.3 1.26 perf-profile.calltrace.cycles-pp.osq_lock.rwsem_down_write_slowpath.down_write.__shm_close.__mmap_region 1.19 +0.3 1.48 perf-profile.calltrace.cycles-pp.__mmap_region.do_mmap.do_shmat.__x64_sys_shmat.do_syscall_64 1.05 +0.3 1.34 perf-profile.calltrace.cycles-pp.__shm_close.__mmap_region.do_mmap.do_shmat.__x64_sys_shmat 1.03 +0.3 1.33 perf-profile.calltrace.cycles-pp.rwsem_down_write_slowpath.down_write.__shm_close.__mmap_region.do_mmap 1.04 +0.3 1.34 perf-profile.calltrace.cycles-pp.down_write.__shm_close.__mmap_region.do_mmap.do_shmat 0.70 ± 3% +0.3 1.01 ± 4% perf-profile.calltrace.cycles-pp.osq_lock.rwsem_down_write_slowpath.down_write.anon_vma_fork.dup_mmap 0.00 +0.5 0.53 perf-profile.calltrace.cycles-pp.rwsem_wake.up_write.remove_vma.vms_complete_munmap_vmas.do_vmi_align_munmap 0.00 +0.6 0.56 perf-profile.calltrace.cycles-pp.up_write.remove_vma.vms_complete_munmap_vmas.do_vmi_align_munmap.ksys_shmdt 0.20 ±122% +0.6 0.78 ± 3% perf-profile.calltrace.cycles-pp.osq_lock.rwsem_down_write_slowpath.down_write.anon_vma_clone.anon_vma_fork 0.00 +0.7 0.68 perf-profile.calltrace.cycles-pp.rwsem_wake.up_write.do_shmat.__x64_sys_shmat.do_syscall_64 0.80 +0.8 1.57 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irq.rwsem_down_write_slowpath.down_write.ipcget 0.84 +0.8 1.61 perf-profile.calltrace.cycles-pp._raw_spin_lock_irq.rwsem_down_write_slowpath.down_write.ipcget.__x64_sys_shmget 1.41 +0.8 2.21 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irq.rwsem_down_write_slowpath.down_write.do_shmat 1.44 +0.8 2.24 perf-profile.calltrace.cycles-pp._raw_spin_lock_irq.rwsem_down_write_slowpath.down_write.do_shmat.__x64_sys_shmat 1.16 +1.1 2.28 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irq.rwsem_down_read_slowpath.down_read.ksys_shmctl 1.34 +1.1 2.48 perf-profile.calltrace.cycles-pp.rwsem_down_read_slowpath.down_read.ksys_shmctl.do_syscall_64.entry_SYSCALL_64_after_hwframe 1.17 +1.1 2.31 perf-profile.calltrace.cycles-pp._raw_spin_lock_irq.rwsem_down_read_slowpath.down_read.ksys_shmctl.do_syscall_64 6.63 +1.1 7.78 perf-profile.calltrace.cycles-pp.osq_lock.rwsem_down_write_slowpath.down_write.__shm_close.remove_vma 1.36 +1.2 2.52 perf-profile.calltrace.cycles-pp.down_read.ksys_shmctl.do_syscall_64.entry_SYSCALL_64_after_hwframe.shmctl 8.30 +1.3 9.63 perf-profile.calltrace.cycles-pp.shmdt 8.28 +1.3 9.61 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.shmdt 8.28 +1.3 9.61 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.shmdt 7.22 +1.3 8.56 perf-profile.calltrace.cycles-pp.__shm_close.remove_vma.vms_complete_munmap_vmas.do_vmi_align_munmap.ksys_shmdt 7.15 +1.4 8.51 perf-profile.calltrace.cycles-pp.down_write.__shm_close.remove_vma.vms_complete_munmap_vmas.do_vmi_align_munmap 7.11 +1.4 8.46 perf-profile.calltrace.cycles-pp.rwsem_down_write_slowpath.down_write.__shm_close.remove_vma.vms_complete_munmap_vmas 8.08 +1.4 9.47 perf-profile.calltrace.cycles-pp.ksys_shmdt.do_syscall_64.entry_SYSCALL_64_after_hwframe.shmdt 7.88 +1.4 9.32 perf-profile.calltrace.cycles-pp.do_vmi_align_munmap.ksys_shmdt.do_syscall_64.entry_SYSCALL_64_after_hwframe.shmdt 7.78 +1.5 9.24 perf-profile.calltrace.cycles-pp.vms_complete_munmap_vmas.do_vmi_align_munmap.ksys_shmdt.do_syscall_64.entry_SYSCALL_64_after_hwframe 7.65 +1.5 9.14 perf-profile.calltrace.cycles-pp.remove_vma.vms_complete_munmap_vmas.do_vmi_align_munmap.ksys_shmdt.do_syscall_64 6.98 +1.5 8.46 perf-profile.calltrace.cycles-pp.osq_lock.rwsem_down_write_slowpath.down_write.do_shmat.__x64_sys_shmat 0.00 +2.1 2.09 perf-profile.calltrace.cycles-pp.__radix_tree_lookup.ksys_shmctl.do_syscall_64.entry_SYSCALL_64_after_hwframe.shmctl 8.83 +2.2 11.04 perf-profile.calltrace.cycles-pp.down_write.do_shmat.__x64_sys_shmat.do_syscall_64.entry_SYSCALL_64_after_hwframe 8.78 +2.2 10.98 perf-profile.calltrace.cycles-pp.rwsem_down_write_slowpath.down_write.do_shmat.__x64_sys_shmat.do_syscall_64 13.37 +2.4 15.73 perf-profile.calltrace.cycles-pp.shmctl 13.33 +2.4 15.70 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.shmctl 13.32 +2.4 15.69 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.shmctl 13.09 +2.4 15.50 perf-profile.calltrace.cycles-pp.ksys_shmctl.do_syscall_64.entry_SYSCALL_64_after_hwframe.shmctl 10.96 +2.7 13.62 perf-profile.calltrace.cycles-pp.shmat 10.93 +2.7 13.59 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.shmat 10.93 +2.7 13.60 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.shmat 10.91 +2.7 13.58 perf-profile.calltrace.cycles-pp.do_shmat.__x64_sys_shmat.do_syscall_64.entry_SYSCALL_64_after_hwframe.shmat 10.91 +2.7 13.58 perf-profile.calltrace.cycles-pp.__x64_sys_shmat.do_syscall_64.entry_SYSCALL_64_after_hwframe.shmat 7.93 -1.7 6.19 perf-profile.children.cycles-pp.x64_sys_call 7.91 -1.7 6.18 perf-profile.children.cycles-pp.__x64_sys_exit_group 7.91 -1.7 6.18 perf-profile.children.cycles-pp.do_group_exit 7.91 -1.7 6.17 perf-profile.children.cycles-pp.do_exit 7.47 -1.6 5.82 perf-profile.children.cycles-pp.exit_mm 7.46 -1.6 5.82 perf-profile.children.cycles-pp.__mmput 7.45 -1.6 5.80 perf-profile.children.cycles-pp.exit_mmap 11.77 -1.6 10.20 ± 2% perf-profile.children.cycles-pp._Fork 34.40 -1.5 32.86 perf-profile.children.cycles-pp.shmget 34.31 -1.5 32.78 perf-profile.children.cycles-pp.__x64_sys_shmget 34.30 -1.5 32.78 perf-profile.children.cycles-pp.ipcget 11.36 -1.5 9.88 ± 2% perf-profile.children.cycles-pp.kernel_clone 11.36 -1.5 9.88 ± 2% perf-profile.children.cycles-pp.__do_sys_clone 10.82 -1.4 9.45 ± 2% perf-profile.children.cycles-pp.copy_process 10.45 -1.3 9.16 ± 2% perf-profile.children.cycles-pp.dup_mm 5.21 -1.2 4.03 perf-profile.children.cycles-pp.common_startup_64 5.21 -1.2 4.03 perf-profile.children.cycles-pp.cpu_startup_entry 5.20 -1.2 4.03 perf-profile.children.cycles-pp.do_idle 5.18 -1.2 4.01 perf-profile.children.cycles-pp.start_secondary 9.64 -1.2 8.47 ± 2% perf-profile.children.cycles-pp.dup_mmap 4.44 -1.0 3.43 perf-profile.children.cycles-pp.cpuidle_idle_call 4.26 -1.0 3.28 perf-profile.children.cycles-pp.cpuidle_enter 4.26 -1.0 3.27 perf-profile.children.cycles-pp.cpuidle_enter_state 3.57 -0.8 2.78 perf-profile.children.cycles-pp.free_pgtables 3.03 ± 2% -0.6 2.38 ± 3% perf-profile.children.cycles-pp.asm_exc_page_fault 2.80 -0.6 2.18 perf-profile.children.cycles-pp.unlink_anon_vmas 2.51 ± 3% -0.6 1.95 ± 3% perf-profile.children.cycles-pp.unmap_vmas 2.43 ± 3% -0.5 1.89 ± 3% perf-profile.children.cycles-pp.unmap_page_range 2.53 ± 2% -0.5 1.99 ± 4% perf-profile.children.cycles-pp.exc_page_fault 2.52 ± 2% -0.5 1.98 ± 4% perf-profile.children.cycles-pp.do_user_addr_fault 2.37 ± 3% -0.5 1.84 ± 3% perf-profile.children.cycles-pp.zap_pmd_range 2.31 ± 3% -0.5 1.80 ± 3% perf-profile.children.cycles-pp.zap_pte_range 2.76 ± 2% -0.5 2.27 perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 2.63 ± 2% -0.5 2.16 perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt 3.94 -0.5 3.49 ± 2% perf-profile.children.cycles-pp.anon_vma_clone 2.13 ± 3% -0.4 1.70 ± 4% perf-profile.children.cycles-pp.handle_mm_fault 2.06 ± 3% -0.4 1.64 ± 4% perf-profile.children.cycles-pp.__handle_mm_fault 1.67 -0.4 1.28 perf-profile.children.cycles-pp.anon_vma_interval_tree_insert 1.93 -0.4 1.55 ± 3% perf-profile.children.cycles-pp.ordered_events__queue 1.70 ± 4% -0.4 1.32 ± 4% perf-profile.children.cycles-pp.zap_present_ptes 1.94 -0.4 1.56 ± 3% perf-profile.children.cycles-pp.process_simple 2.20 -0.4 1.82 perf-profile.children.cycles-pp.rwsem_spin_on_owner 1.93 -0.4 1.56 ± 3% perf-profile.children.cycles-pp.queue_event 2.01 -0.4 1.64 perf-profile.children.cycles-pp.cmd_record 1.95 -0.4 1.60 perf-profile.children.cycles-pp.reader__read_event 1.95 -0.4 1.60 perf-profile.children.cycles-pp.perf_session__process_events 1.95 -0.4 1.60 perf-profile.children.cycles-pp.record__finish_output 1.43 ± 3% -0.3 1.09 ± 6% perf-profile.children.cycles-pp.copy_page_range 1.67 ± 4% -0.3 1.34 ± 5% perf-profile.children.cycles-pp.do_fault 1.40 ± 3% -0.3 1.07 ± 7% perf-profile.children.cycles-pp.copy_p4d_range 1.14 -0.3 0.81 perf-profile.children.cycles-pp._raw_spin_lock 5.74 -0.3 5.42 ± 2% perf-profile.children.cycles-pp.anon_vma_fork 1.48 ± 4% -0.3 1.19 ± 5% perf-profile.children.cycles-pp.do_read_fault 1.23 ± 4% -0.3 0.95 ± 7% perf-profile.children.cycles-pp.copy_pte_range 1.40 ± 5% -0.3 1.13 ± 5% perf-profile.children.cycles-pp.filemap_map_pages 1.11 ± 2% -0.3 0.84 perf-profile.children.cycles-pp.__vma_start_write 1.19 -0.3 0.92 perf-profile.children.cycles-pp.kmem_cache_free 1.64 -0.3 1.38 ± 2% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt 1.61 -0.3 1.36 ± 2% perf-profile.children.cycles-pp.hrtimer_interrupt 0.99 -0.2 0.74 perf-profile.children.cycles-pp.wake_up_q 1.19 -0.2 0.95 perf-profile.children.cycles-pp.intel_idle 0.29 -0.2 0.05 perf-profile.children.cycles-pp.idr_find 1.10 -0.2 0.87 perf-profile.children.cycles-pp.kmem_cache_alloc_noprof 0.89 ± 5% -0.2 0.67 ± 9% perf-profile.children.cycles-pp.copy_present_ptes 0.93 -0.2 0.72 perf-profile.children.cycles-pp.try_to_wake_up 1.10 -0.2 0.89 perf-profile.children.cycles-pp.__schedule 0.90 ± 5% -0.2 0.72 ± 6% perf-profile.children.cycles-pp.next_uptodate_folio 0.75 -0.2 0.57 perf-profile.children.cycles-pp.poll_idle 0.97 ± 4% -0.2 0.79 ± 3% perf-profile.children.cycles-pp.__tlb_batch_free_encoded_pages 0.96 ± 4% -0.2 0.79 ± 3% perf-profile.children.cycles-pp.free_pages_and_swap_cache 0.63 -0.2 0.46 perf-profile.children.cycles-pp.shm_add_rss_swap 1.26 -0.2 1.10 ± 2% perf-profile.children.cycles-pp.__hrtimer_run_queues 0.45 ± 9% -0.2 0.30 ± 3% perf-profile.children.cycles-pp.ktime_get 0.63 -0.1 0.48 perf-profile.children.cycles-pp.__anon_vma_interval_tree_remove 0.63 -0.1 0.49 perf-profile.children.cycles-pp.__vma_enter_locked 0.80 ± 5% -0.1 0.66 ± 4% perf-profile.children.cycles-pp.tlb_finish_mmu 0.62 -0.1 0.48 perf-profile.children.cycles-pp.newseg 0.64 -0.1 0.50 perf-profile.children.cycles-pp.vm_area_dup 0.79 -0.1 0.66 perf-profile.children.cycles-pp.handle_softirqs 0.49 -0.1 0.35 perf-profile.children.cycles-pp.__pi_memset 1.15 ± 2% -0.1 1.02 ± 2% perf-profile.children.cycles-pp.tick_nohz_handler 0.74 -0.1 0.61 perf-profile.children.cycles-pp.schedule 0.70 ± 6% -0.1 0.57 ± 3% perf-profile.children.cycles-pp.folios_put_refs 0.79 -0.1 0.68 perf-profile.children.cycles-pp.mm_init 0.50 -0.1 0.38 perf-profile.children.cycles-pp.__slab_free 0.75 -0.1 0.63 perf-profile.children.cycles-pp.__irq_exit_rcu 0.59 ± 8% -0.1 0.47 ± 7% perf-profile.children.cycles-pp.folio_remove_rmap_ptes 0.41 -0.1 0.30 ± 2% perf-profile.children.cycles-pp.ret_from_fork 0.41 -0.1 0.30 ± 2% perf-profile.children.cycles-pp.ret_from_fork_asm 0.43 -0.1 0.33 ± 2% perf-profile.children.cycles-pp.__kmem_cache_alloc_bulk 0.42 -0.1 0.32 perf-profile.children.cycles-pp.__pcs_replace_empty_main 0.52 -0.1 0.42 perf-profile.children.cycles-pp.wake_up_new_task 0.60 -0.1 0.50 perf-profile.children.cycles-pp.schedule_preempt_disabled 0.49 -0.1 0.39 perf-profile.children.cycles-pp.__memcg_slab_free_hook 0.43 -0.1 0.32 perf-profile.children.cycles-pp.exit_to_user_mode_loop 0.55 ± 2% -0.1 0.45 perf-profile.children.cycles-pp.rcu_core 0.48 -0.1 0.38 perf-profile.children.cycles-pp.rcu_do_batch 0.70 -0.1 0.61 perf-profile.children.cycles-pp.pcpu_alloc_noprof 0.38 -0.1 0.28 perf-profile.children.cycles-pp.task_work_run 0.17 ± 29% -0.1 0.08 ± 5% perf-profile.children.cycles-pp.tick_irq_enter 0.17 ± 29% -0.1 0.08 ± 5% perf-profile.children.cycles-pp.irq_enter_rcu 0.53 -0.1 0.44 perf-profile.children.cycles-pp.select_task_rq_fair 0.99 ± 2% -0.1 0.90 ± 2% perf-profile.children.cycles-pp.update_process_times 0.35 ± 2% -0.1 0.27 perf-profile.children.cycles-pp.__fput 0.31 -0.1 0.23 ± 3% perf-profile.children.cycles-pp.__x64_sys_openat 0.37 ± 2% -0.1 0.29 ± 2% perf-profile.children.cycles-pp.__flush_smp_call_function_queue 0.31 ± 2% -0.1 0.23 ± 3% perf-profile.children.cycles-pp.do_sys_openat2 0.28 -0.1 0.20 ± 2% perf-profile.children.cycles-pp.do_filp_open 0.28 ± 2% -0.1 0.20 perf-profile.children.cycles-pp.path_openat 0.38 -0.1 0.30 ± 2% perf-profile.children.cycles-pp.update_sg_wakeup_stats 0.34 -0.1 0.26 perf-profile.children.cycles-pp.flush_smp_call_function_queue 0.39 -0.1 0.32 perf-profile.children.cycles-pp.sched_balance_find_dst_group 0.29 -0.1 0.22 ± 2% perf-profile.children.cycles-pp.stress_shm_sysv_check 0.32 ± 3% -0.1 0.24 ± 4% perf-profile.children.cycles-pp.__put_anon_vma 0.32 -0.1 0.25 perf-profile.children.cycles-pp.schedule_idle 0.34 ± 2% -0.1 0.27 perf-profile.children.cycles-pp.raw_spin_rq_lock_nested 0.29 ± 2% -0.1 0.22 ± 2% perf-profile.children.cycles-pp.finish_dput 0.30 -0.1 0.23 perf-profile.children.cycles-pp.mas_find 0.26 ± 2% -0.1 0.19 ± 4% perf-profile.children.cycles-pp.clockevents_program_event 0.31 ± 2% -0.1 0.24 perf-profile.children.cycles-pp.sched_ttwu_pending 0.32 -0.1 0.25 perf-profile.children.cycles-pp.alloc_pages_mpol 0.30 -0.1 0.23 perf-profile.children.cycles-pp.finish_task_switch 0.27 ± 2% -0.1 0.21 ± 2% perf-profile.children.cycles-pp.native_irq_return_iret 0.31 -0.1 0.24 perf-profile.children.cycles-pp.__alloc_frozen_pages_noprof 0.29 -0.1 0.22 ± 2% perf-profile.children.cycles-pp.__dentry_kill 0.45 -0.1 0.39 ± 2% perf-profile.children.cycles-pp.__percpu_counter_init_many 0.25 -0.1 0.19 ± 3% perf-profile.children.cycles-pp.___slab_alloc 0.27 -0.1 0.21 ± 2% perf-profile.children.cycles-pp.lock_vma_under_rcu 0.24 ± 4% -0.1 0.19 ± 5% perf-profile.children.cycles-pp.wp_page_copy 0.35 -0.1 0.30 perf-profile.children.cycles-pp.__pick_next_task 0.24 ± 2% -0.1 0.18 ± 2% perf-profile.children.cycles-pp.kernel_wait4 0.14 ± 2% -0.1 0.08 ± 4% perf-profile.children.cycles-pp.shmctl_do_lock 0.20 ± 3% -0.1 0.14 ± 2% perf-profile.children.cycles-pp.kthread 0.34 -0.1 0.28 perf-profile.children.cycles-pp.pick_next_task_fair 0.25 -0.1 0.20 ± 2% perf-profile.children.cycles-pp.alloc_pages_noprof 0.23 ± 2% -0.1 0.17 ± 2% perf-profile.children.cycles-pp.evict 0.22 ± 2% -0.1 0.17 perf-profile.children.cycles-pp.do_wait 0.35 ± 2% -0.1 0.30 perf-profile.children.cycles-pp.osq_unlock 0.24 ± 2% -0.1 0.18 ± 2% perf-profile.children.cycles-pp.mas_next_slot 0.23 ± 2% -0.1 0.18 ± 2% perf-profile.children.cycles-pp.__percpu_counter_sum 0.24 ± 5% -0.1 0.19 ± 5% perf-profile.children.cycles-pp.set_pte_range 0.35 -0.1 0.30 perf-profile.children.cycles-pp.__memcg_slab_post_alloc_hook 0.22 -0.1 0.17 perf-profile.children.cycles-pp.get_page_from_freelist 0.25 -0.0 0.20 perf-profile.children.cycles-pp.unlink_file_vma_batch_process 0.25 ± 2% -0.0 0.20 perf-profile.children.cycles-pp.enqueue_task 0.18 -0.0 0.13 ± 2% perf-profile.children.cycles-pp.schedule_tail 0.23 ± 3% -0.0 0.18 ± 2% perf-profile.children.cycles-pp.ttwu_do_activate 0.24 -0.0 0.19 perf-profile.children.cycles-pp.enqueue_task_fair 0.19 ± 3% -0.0 0.14 ± 4% perf-profile.children.cycles-pp.__pte_offset_map_lock 0.21 ± 2% -0.0 0.16 perf-profile.children.cycles-pp._exit 0.17 ± 2% -0.0 0.12 ± 3% perf-profile.children.cycles-pp.fput 0.18 ± 2% -0.0 0.14 ± 4% perf-profile.children.cycles-pp.do_shared_fault 0.23 ± 2% -0.0 0.19 ± 3% perf-profile.children.cycles-pp.wake_q_add 0.27 -0.0 0.23 ± 2% perf-profile.children.cycles-pp.sched_balance_rq 0.20 ± 3% -0.0 0.16 ± 3% perf-profile.children.cycles-pp.sync_regs 0.07 ± 5% -0.0 0.02 ± 99% perf-profile.children.cycles-pp.rcu_sched_clock_irq 0.18 ± 2% -0.0 0.14 ± 3% perf-profile.children.cycles-pp.shmem_get_folio_gfp 0.25 -0.0 0.21 perf-profile.children.cycles-pp.sched_balance_newidle 0.18 ± 2% -0.0 0.14 ± 4% perf-profile.children.cycles-pp.__do_fault 0.21 ± 5% -0.0 0.17 ± 7% perf-profile.children.cycles-pp.__pte_alloc 0.17 -0.0 0.13 ± 2% perf-profile.children.cycles-pp.shmem_fault 0.20 ± 2% -0.0 0.16 ± 3% perf-profile.children.cycles-pp.__shmem_file_setup 0.21 ± 2% -0.0 0.16 ± 3% perf-profile.children.cycles-pp.enqueue_entity 0.22 ± 2% -0.0 0.18 ± 2% perf-profile.children.cycles-pp.unlink_file_vma_batch_add 0.23 -0.0 0.19 perf-profile.children.cycles-pp.update_sg_lb_stats 0.20 ± 3% -0.0 0.16 ± 2% perf-profile.children.cycles-pp.__mmdrop 0.17 ± 2% -0.0 0.13 ± 3% perf-profile.children.cycles-pp.shmem_evict_inode 0.28 -0.0 0.24 perf-profile.children.cycles-pp.mas_store 0.15 ± 2% -0.0 0.11 ± 4% perf-profile.children.cycles-pp.pthread_rwlock_unlock 0.18 -0.0 0.14 ± 2% perf-profile.children.cycles-pp.dequeue_task_fair 0.06 ± 6% -0.0 0.02 ± 99% perf-profile.children.cycles-pp.get_partial_node 0.16 ± 2% -0.0 0.12 ± 3% perf-profile.children.cycles-pp.acct_collect 0.15 ± 6% -0.0 0.12 ± 5% perf-profile.children.cycles-pp.folio_add_file_rmap_ptes 0.16 ± 2% -0.0 0.13 ± 3% perf-profile.children.cycles-pp.ipc_addid 0.12 ± 5% -0.0 0.08 ± 5% perf-profile.children.cycles-pp.worker_thread 0.17 ± 2% -0.0 0.13 ± 3% perf-profile.children.cycles-pp.__rb_erase_color 0.16 ± 2% -0.0 0.13 perf-profile.children.cycles-pp.__cond_resched 0.21 ± 2% -0.0 0.18 perf-profile.children.cycles-pp.sched_balance_find_src_group 0.14 -0.0 0.11 ± 4% perf-profile.children.cycles-pp.rmqueue 0.15 -0.0 0.12 ± 4% perf-profile.children.cycles-pp.shmem_undo_range 0.16 -0.0 0.13 ± 3% perf-profile.children.cycles-pp.__account_obj_stock 0.17 ± 2% -0.0 0.14 ± 3% perf-profile.children.cycles-pp.obj_cgroup_charge_account 0.17 ± 2% -0.0 0.14 perf-profile.children.cycles-pp.dequeue_entities 0.21 -0.0 0.18 perf-profile.children.cycles-pp.update_sd_lb_stats 0.11 -0.0 0.08 ± 4% perf-profile.children.cycles-pp.lookup_fast 0.15 ± 2% -0.0 0.12 ± 4% perf-profile.children.cycles-pp.setproctitle 0.18 ± 6% -0.0 0.15 ± 4% perf-profile.children.cycles-pp.tlb_flush_mmu 0.12 ± 3% -0.0 0.09 ± 4% perf-profile.children.cycles-pp.ttwu_queue_wakelist 0.14 ± 4% -0.0 0.11 perf-profile.children.cycles-pp.__rb_insert_augmented 0.14 -0.0 0.11 perf-profile.children.cycles-pp.new_inode 0.12 -0.0 0.09 perf-profile.children.cycles-pp.__rmqueue_pcplist 0.14 ± 3% -0.0 0.12 ± 4% perf-profile.children.cycles-pp.dequeue_entity 0.12 ± 3% -0.0 0.09 ± 5% perf-profile.children.cycles-pp.__mt_dup 0.15 ± 2% -0.0 0.12 ± 3% perf-profile.children.cycles-pp.refill_obj_stock 0.15 ± 2% -0.0 0.12 ± 3% perf-profile.children.cycles-pp.try_to_block_task 0.11 -0.0 0.08 ± 4% perf-profile.children.cycles-pp.intel_idle_xstate 0.09 ± 7% -0.0 0.06 ± 45% perf-profile.children.cycles-pp.prctl 0.08 ± 5% -0.0 0.05 perf-profile.children.cycles-pp.__task_rq_lock 0.12 ± 3% -0.0 0.09 perf-profile.children.cycles-pp.__do_wait 0.08 ± 5% -0.0 0.06 ± 8% perf-profile.children.cycles-pp.open_last_lookups 0.11 ± 3% -0.0 0.08 ± 5% perf-profile.children.cycles-pp.link_path_walk 0.14 ± 5% -0.0 0.12 ± 4% perf-profile.children.cycles-pp.__free_frozen_pages 0.11 ± 5% -0.0 0.08 ± 8% perf-profile.children.cycles-pp.pmd_install 0.12 ± 3% -0.0 0.09 ± 7% perf-profile.children.cycles-pp.alloc_thread_stack_node 0.12 ± 3% -0.0 0.09 ± 4% perf-profile.children.cycles-pp.vms_clear_ptes 0.10 ± 5% -0.0 0.07 perf-profile.children.cycles-pp.__mmap 0.11 ± 4% -0.0 0.09 ± 4% perf-profile.children.cycles-pp.free_frozen_page_commit 0.07 ± 5% -0.0 0.05 ± 45% perf-profile.children.cycles-pp.strchrnul@plt 0.14 ± 5% -0.0 0.12 ± 8% perf-profile.children.cycles-pp.pte_alloc_one 0.10 ± 5% -0.0 0.07 ± 9% perf-profile.children.cycles-pp.__vmalloc_node_noprof 0.10 ± 5% -0.0 0.07 ± 9% perf-profile.children.cycles-pp.__vmalloc_node_range_noprof 0.08 ± 6% -0.0 0.05 ± 7% perf-profile.children.cycles-pp.do_perf_trace_sched_wakeup_template 0.11 ± 4% -0.0 0.09 perf-profile.children.cycles-pp.__shmem_get_inode 0.12 ± 3% -0.0 0.10 ± 3% perf-profile.children.cycles-pp.tlb_remove_table_rcu 0.09 ± 4% -0.0 0.07 ± 5% perf-profile.children.cycles-pp.wait_task_zombie 0.14 -0.0 0.12 ± 4% perf-profile.children.cycles-pp.sched_balance_update_blocked_averages 0.06 ± 7% -0.0 0.04 ± 44% perf-profile.children.cycles-pp.inode_init_always_gfp 0.08 ± 5% -0.0 0.06 ± 6% perf-profile.children.cycles-pp.__snprintf_chk@plt 0.08 ± 4% -0.0 0.06 perf-profile.children.cycles-pp.__anon_vma_interval_tree_augment_rotate 0.11 ± 3% -0.0 0.09 perf-profile.children.cycles-pp.hugetlb_file_setup 0.08 ± 4% -0.0 0.06 perf-profile.children.cycles-pp.process_one_work 0.08 ± 4% -0.0 0.06 perf-profile.children.cycles-pp.run_posix_cpu_timers 0.09 ± 4% -0.0 0.07 perf-profile.children.cycles-pp.__put_user_4 0.09 ± 4% -0.0 0.07 perf-profile.children.cycles-pp.stress_set_proc_state 0.13 -0.0 0.11 ± 3% perf-profile.children.cycles-pp.update_rq_clock_task 0.07 ± 5% -0.0 0.05 ± 7% perf-profile.children.cycles-pp.smpboot_thread_fn 0.06 ± 6% -0.0 0.04 ± 44% perf-profile.children.cycles-pp.rmqueue_bulk 0.10 -0.0 0.08 perf-profile.children.cycles-pp.alloc_inode 0.08 -0.0 0.06 perf-profile.children.cycles-pp.allocate_slab 0.08 -0.0 0.06 perf-profile.children.cycles-pp.perf_event_mmap 0.08 -0.0 0.06 perf-profile.children.cycles-pp.update_rq_clock 0.07 -0.0 0.05 perf-profile.children.cycles-pp.vfs_read 0.09 -0.0 0.07 perf-profile.children.cycles-pp.mas_wr_node_store 0.09 -0.0 0.07 perf-profile.children.cycles-pp.shmem_alloc_and_add_folio 0.25 -0.0 0.23 ± 2% perf-profile.children.cycles-pp.update_load_avg 0.08 ± 5% -0.0 0.06 ± 6% perf-profile.children.cycles-pp.folio_batch_move_lru 0.08 ± 5% -0.0 0.06 ± 6% perf-profile.children.cycles-pp.release_task 0.10 ± 4% -0.0 0.08 ± 4% perf-profile.children.cycles-pp.vma_interval_tree_remove 0.09 ± 4% -0.0 0.07 ± 5% perf-profile.children.cycles-pp.vm_mmap_pgoff 0.18 ± 2% -0.0 0.16 ± 3% perf-profile.children.cycles-pp.mmap_region 0.09 ± 5% -0.0 0.08 ± 6% perf-profile.children.cycles-pp.free_pcppages_bulk 0.07 ± 6% -0.0 0.06 ± 9% perf-profile.children.cycles-pp.asm_sysvec_call_function_single 0.08 ± 4% -0.0 0.06 ± 7% perf-profile.children.cycles-pp.__madvise 0.07 -0.0 0.05 ± 7% perf-profile.children.cycles-pp.perf_iterate_sb 0.10 -0.0 0.08 ± 4% perf-profile.children.cycles-pp.sched_balance_domains 0.07 -0.0 0.05 ± 7% perf-profile.children.cycles-pp.switch_mm_irqs_off 0.08 -0.0 0.06 ± 6% perf-profile.children.cycles-pp.__smp_call_single_queue 0.08 -0.0 0.06 ± 6% perf-profile.children.cycles-pp.__snprintf_chk 0.09 -0.0 0.07 ± 5% perf-profile.children.cycles-pp.rcu_all_qs 0.08 ± 5% -0.0 0.06 perf-profile.children.cycles-pp.mas_dup_alloc 0.08 ± 5% -0.0 0.06 perf-profile.children.cycles-pp.vsnprintf 0.07 ± 5% -0.0 0.05 perf-profile.children.cycles-pp.__folio_batch_release 0.07 ± 5% -0.0 0.05 perf-profile.children.cycles-pp.ksys_read 0.11 ± 4% -0.0 0.09 ± 7% perf-profile.children.cycles-pp.mas_walk 0.08 ± 6% -0.0 0.06 ± 6% perf-profile.children.cycles-pp.lru_add_drain_cpu 0.07 -0.0 0.05 ± 8% perf-profile.children.cycles-pp.__page_cache_release 0.09 -0.0 0.07 ± 6% perf-profile.children.cycles-pp.entry_SYSCALL_64 0.07 ± 5% -0.0 0.05 ± 7% perf-profile.children.cycles-pp.madvise_do_behavior 0.08 ± 5% -0.0 0.06 ± 6% perf-profile.children.cycles-pp.arch_exit_to_user_mode_prepare 0.15 ± 2% -0.0 0.13 ± 2% perf-profile.children.cycles-pp.shm_destroy 0.08 ± 6% -0.0 0.06 perf-profile.children.cycles-pp.__memcg_kmem_charge_page 0.08 ± 6% -0.0 0.06 perf-profile.children.cycles-pp.perf_event_mmap_event 0.07 ± 7% -0.0 0.05 perf-profile.children.cycles-pp.mod_memcg_lruvec_state 0.07 ± 5% -0.0 0.05 ± 8% perf-profile.children.cycles-pp.exit_notify 0.07 ± 7% -0.0 0.05 ± 7% perf-profile.children.cycles-pp.alloc_pid 0.08 ± 6% -0.0 0.06 ± 6% perf-profile.children.cycles-pp.__wp_page_copy_user 0.08 ± 6% -0.0 0.06 ± 6% perf-profile.children.cycles-pp.copy_mc_enhanced_fast_string 0.07 -0.0 0.06 ± 8% perf-profile.children.cycles-pp.__x64_sys_madvise 0.07 -0.0 0.06 ± 8% perf-profile.children.cycles-pp.do_madvise 0.07 ± 7% -0.0 0.05 ± 8% perf-profile.children.cycles-pp.mas_next_node 0.07 ± 5% -0.0 0.06 perf-profile.children.cycles-pp.vm_normal_page 0.08 ± 4% -0.0 0.07 perf-profile.children.cycles-pp.__wake_up_sync_key 0.10 ± 3% -0.0 0.09 perf-profile.children.cycles-pp.ksys_write 0.06 ± 6% -0.0 0.05 perf-profile.children.cycles-pp.__update_load_avg_cfs_rq 0.06 ± 6% -0.0 0.05 perf-profile.children.cycles-pp._find_next_and_bit 0.06 ± 6% -0.0 0.05 perf-profile.children.cycles-pp.sched_balance_find_dst_group_cpu 0.06 ± 6% -0.0 0.05 perf-profile.children.cycles-pp.shuffle_freelist 0.09 -0.0 0.08 ± 4% perf-profile.children.cycles-pp.kfree 0.07 -0.0 0.06 perf-profile.children.cycles-pp.mas_store_gfp 0.07 -0.0 0.06 perf-profile.children.cycles-pp.native_sched_clock 0.08 -0.0 0.07 perf-profile.children.cycles-pp.__wake_up_common 0.06 -0.0 0.05 perf-profile.children.cycles-pp._find_next_or_bit 0.06 -0.0 0.05 perf-profile.children.cycles-pp.arch_get_unmapped_area_topdown 0.06 -0.0 0.05 perf-profile.children.cycles-pp.prep_new_page 0.06 -0.0 0.05 perf-profile.children.cycles-pp.sched_clock_cpu 0.06 -0.0 0.05 perf-profile.children.cycles-pp.vms_gather_munmap_vmas 0.05 +0.0 0.06 ± 6% perf-profile.children.cycles-pp.on_each_cpu_cond_mask 0.05 +0.0 0.06 ± 6% perf-profile.children.cycles-pp.smp_call_function_many_cond 0.06 +0.0 0.08 ± 4% perf-profile.children.cycles-pp.up_read 0.25 ± 4% +0.0 0.29 ± 5% perf-profile.children.cycles-pp.task_tick_fair 2.58 +0.0 2.63 perf-profile.children.cycles-pp.up_write 0.00 +0.1 0.06 ± 8% perf-profile.children.cycles-pp.__shm_open 0.05 ± 7% +0.1 0.11 perf-profile.children.cycles-pp.ipc_obtain_object_check 0.05 +0.1 0.11 ± 4% perf-profile.children.cycles-pp.ipc_obtain_object_idr 0.00 +0.1 0.06 ± 7% perf-profile.children.cycles-pp.shm_mmap 0.04 ± 50% +0.1 0.11 ± 6% perf-profile.children.cycles-pp.__mutex_lock 0.00 +0.1 0.09 perf-profile.children.cycles-pp.radix_tree_next_chunk 1.95 +0.2 2.12 perf-profile.children.cycles-pp.rwsem_wake 1.51 +0.2 1.74 perf-profile.children.cycles-pp.do_mmap 1.43 +0.2 1.68 perf-profile.children.cycles-pp.__mmap_region 1.33 +0.3 1.63 perf-profile.children.cycles-pp._raw_spin_lock_irqsave 1.37 +1.1 2.52 perf-profile.children.cycles-pp.rwsem_down_read_slowpath 1.37 +1.2 2.54 perf-profile.children.cycles-pp.down_read 8.31 +1.3 9.64 perf-profile.children.cycles-pp.shmdt 56.16 +1.3 57.51 perf-profile.children.cycles-pp.osq_lock 87.26 +1.4 88.62 perf-profile.children.cycles-pp.do_syscall_64 87.27 +1.4 88.63 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 8.08 +1.4 9.47 perf-profile.children.cycles-pp.ksys_shmdt 7.92 +1.4 9.35 perf-profile.children.cycles-pp.do_vmi_align_munmap 7.80 +1.4 9.25 perf-profile.children.cycles-pp.remove_vma 7.80 +1.5 9.26 perf-profile.children.cycles-pp.vms_complete_munmap_vmas 8.26 +1.6 9.90 perf-profile.children.cycles-pp.__shm_close 0.18 ± 2% +2.2 2.36 perf-profile.children.cycles-pp.__radix_tree_lookup 13.40 +2.4 15.75 perf-profile.children.cycles-pp.shmctl 13.09 +2.4 15.50 perf-profile.children.cycles-pp.ksys_shmctl 63.32 +2.6 65.87 perf-profile.children.cycles-pp.down_write 10.97 +2.7 13.62 perf-profile.children.cycles-pp.shmat 10.91 +2.7 13.58 perf-profile.children.cycles-pp.__x64_sys_shmat 10.91 +2.7 13.58 perf-profile.children.cycles-pp.do_shmat 62.44 +2.7 65.18 perf-profile.children.cycles-pp.rwsem_down_write_slowpath 4.61 +3.0 7.59 perf-profile.children.cycles-pp._raw_spin_lock_irq 5.90 +4.4 10.32 perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath 1.66 -0.4 1.26 perf-profile.self.cycles-pp.anon_vma_interval_tree_insert 2.17 -0.4 1.80 perf-profile.self.cycles-pp.rwsem_spin_on_owner 1.92 -0.4 1.54 ± 3% perf-profile.self.cycles-pp.queue_event 0.28 -0.3 0.02 ± 99% perf-profile.self.cycles-pp.idr_find 0.95 -0.2 0.70 perf-profile.self.cycles-pp._raw_spin_lock 1.00 ± 2% -0.2 0.76 ± 4% perf-profile.self.cycles-pp.zap_present_ptes 1.19 -0.2 0.95 perf-profile.self.cycles-pp.intel_idle 0.85 ± 5% -0.2 0.64 ± 9% perf-profile.self.cycles-pp.copy_present_ptes 0.84 -0.2 0.66 ± 2% perf-profile.self.cycles-pp.down_write 0.74 -0.2 0.56 perf-profile.self.cycles-pp.poll_idle 0.83 ± 5% -0.2 0.67 ± 6% perf-profile.self.cycles-pp.next_uptodate_folio 0.42 ± 9% -0.2 0.27 ± 3% perf-profile.self.cycles-pp.ktime_get 0.61 -0.1 0.47 perf-profile.self.cycles-pp.__anon_vma_interval_tree_remove 0.61 -0.1 0.46 ± 2% perf-profile.self.cycles-pp.__vma_enter_locked 0.47 -0.1 0.34 perf-profile.self.cycles-pp.__pi_memset 0.63 -0.1 0.50 ± 2% perf-profile.self.cycles-pp.up_write 0.47 ± 2% -0.1 0.35 ± 2% perf-profile.self.cycles-pp.__vma_start_write 0.57 ± 9% -0.1 0.45 ± 7% perf-profile.self.cycles-pp.folio_remove_rmap_ptes 0.48 -0.1 0.37 ± 2% perf-profile.self.cycles-pp.__slab_free 0.47 ± 2% -0.1 0.37 ± 2% perf-profile.self.cycles-pp.anon_vma_clone 0.65 -0.1 0.55 perf-profile.self.cycles-pp._raw_spin_lock_irq 0.54 -0.1 0.45 perf-profile.self.cycles-pp._raw_spin_lock_irqsave 0.57 ± 7% -0.1 0.48 ± 4% perf-profile.self.cycles-pp.folios_put_refs 0.41 -0.1 0.32 ± 2% perf-profile.self.cycles-pp.dup_mmap 0.32 -0.1 0.24 perf-profile.self.cycles-pp.__kmem_cache_alloc_bulk 0.33 ± 2% -0.1 0.26 ± 2% perf-profile.self.cycles-pp.unlink_anon_vmas 0.52 -0.1 0.45 perf-profile.self.cycles-pp.rwsem_down_write_slowpath 0.33 -0.1 0.26 perf-profile.self.cycles-pp.__memcg_slab_free_hook 0.29 ± 5% -0.1 0.22 ± 6% perf-profile.self.cycles-pp.zap_pte_range 0.27 ± 2% -0.1 0.21 ± 2% perf-profile.self.cycles-pp.native_irq_return_iret 0.32 -0.1 0.26 perf-profile.self.cycles-pp.update_sg_wakeup_stats 0.30 ± 2% -0.1 0.24 ± 2% perf-profile.self.cycles-pp.free_pages_and_swap_cache 0.35 -0.1 0.29 perf-profile.self.cycles-pp.osq_unlock 0.20 ± 2% -0.0 0.15 ± 2% perf-profile.self.cycles-pp.__percpu_counter_sum 0.18 ± 2% -0.0 0.14 ± 2% perf-profile.self.cycles-pp.lock_vma_under_rcu 0.23 ± 2% -0.0 0.19 perf-profile.self.cycles-pp.wake_q_add 0.25 ± 5% -0.0 0.20 ± 4% perf-profile.self.cycles-pp.filemap_map_pages 0.20 ± 3% -0.0 0.16 ± 3% perf-profile.self.cycles-pp.sync_regs 0.14 ± 5% -0.0 0.10 perf-profile.self.cycles-pp.wake_up_q 0.23 -0.0 0.19 ± 2% perf-profile.self.cycles-pp.kmem_cache_alloc_noprof 0.18 ± 2% -0.0 0.14 ± 5% perf-profile.self.cycles-pp.anon_vma_fork 0.16 ± 2% -0.0 0.12 ± 3% perf-profile.self.cycles-pp.mas_next_slot 0.20 ± 2% -0.0 0.16 ± 3% perf-profile.self.cycles-pp.kmem_cache_free 0.16 ± 3% -0.0 0.12 ± 3% perf-profile.self.cycles-pp.fput 0.07 -0.0 0.03 ± 70% perf-profile.self.cycles-pp.__put_anon_vma 0.10 ± 5% -0.0 0.06 perf-profile.self.cycles-pp.ipc_addid 0.06 -0.0 0.02 ± 99% perf-profile.self.cycles-pp._find_next_and_bit 0.15 ± 6% -0.0 0.11 ± 9% perf-profile.self.cycles-pp.folio_add_file_rmap_ptes 0.14 -0.0 0.11 perf-profile.self.cycles-pp.cpuidle_enter_state 0.22 ± 2% -0.0 0.19 perf-profile.self.cycles-pp.mas_store 0.15 ± 2% -0.0 0.12 ± 3% perf-profile.self.cycles-pp.__rb_erase_color 0.14 ± 3% -0.0 0.11 ± 4% perf-profile.self.cycles-pp.__rb_insert_augmented 0.17 ± 2% -0.0 0.14 ± 3% perf-profile.self.cycles-pp.update_sg_lb_stats 0.11 -0.0 0.08 ± 4% perf-profile.self.cycles-pp.intel_idle_xstate 0.11 ± 3% -0.0 0.08 perf-profile.self.cycles-pp.try_to_wake_up 0.12 ± 4% -0.0 0.09 perf-profile.self.cycles-pp.__schedule 0.18 -0.0 0.16 ± 3% perf-profile.self.cycles-pp.__memcg_slab_post_alloc_hook 0.10 ± 5% -0.0 0.07 ± 6% perf-profile.self.cycles-pp.vma_interval_tree_remove 0.10 -0.0 0.08 ± 4% perf-profile.self.cycles-pp.___slab_alloc 0.09 -0.0 0.07 ± 5% perf-profile.self.cycles-pp.__cond_resched 0.09 ± 4% -0.0 0.07 ± 11% perf-profile.self.cycles-pp.stress_shm_sysv_child 0.10 ± 4% -0.0 0.08 ± 5% perf-profile.self.cycles-pp.mas_walk 0.08 -0.0 0.06 perf-profile.self.cycles-pp.__anon_vma_interval_tree_augment_rotate 0.11 -0.0 0.09 perf-profile.self.cycles-pp.acct_collect 0.08 -0.0 0.06 perf-profile.self.cycles-pp.run_posix_cpu_timers 0.07 -0.0 0.05 perf-profile.self.cycles-pp.switch_mm_irqs_off 0.12 -0.0 0.10 perf-profile.self.cycles-pp.ksys_shmdt 0.11 ± 4% -0.0 0.09 ± 5% perf-profile.self.cycles-pp.__account_obj_stock 0.07 -0.0 0.05 ± 7% perf-profile.self.cycles-pp.shmem_get_folio_gfp 0.09 ± 5% -0.0 0.07 ± 5% perf-profile.self.cycles-pp.set_pte_range 0.10 ± 4% -0.0 0.09 ± 4% perf-profile.self.cycles-pp.update_rq_clock_task 0.07 ± 7% -0.0 0.05 ± 7% perf-profile.self.cycles-pp.refill_obj_stock 0.07 -0.0 0.06 ± 6% perf-profile.self.cycles-pp.native_sched_clock 0.08 -0.0 0.07 perf-profile.self.cycles-pp.menu_select 0.06 -0.0 0.05 perf-profile.self.cycles-pp.__update_load_avg_cfs_rq 0.06 -0.0 0.05 perf-profile.self.cycles-pp.obj_cgroup_charge_account 0.09 +0.0 0.10 perf-profile.self.cycles-pp.ksys_shmctl 0.07 ± 5% +0.0 0.08 ± 4% perf-profile.self.cycles-pp.rwsem_down_read_slowpath 0.05 +0.0 0.07 perf-profile.self.cycles-pp.up_read 0.00 +0.1 0.06 ± 6% perf-profile.self.cycles-pp.down_read 0.00 +0.1 0.09 perf-profile.self.cycles-pp.radix_tree_next_chunk 55.71 +1.3 57.03 perf-profile.self.cycles-pp.osq_lock 0.17 ± 2% +2.2 2.34 perf-profile.self.cycles-pp.__radix_tree_lookup 5.90 +4.4 10.32 perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath 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