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fxmark config: x86_64-rhel-9.4 compiler: gcc-14 test machine: 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G memory parameters: disk: 1SSD media: ssd test: MRPL fstype: ext4_no_jnl directio: bufferedio thread_nr: 4 cpufreq_governor: performance Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20260121/202601211419.2b6838bf-lkp@intel.com ========================================================================================= compiler/cpufreq_governor/directio/disk/fstype/kconfig/media/rootfs/tbox_group/test/testcase/thread_nr: gcc-14/performance/bufferedio/1SSD/ext4_no_jnl/x86_64-rhel-9.4/ssd/debian-11.1-x86_64-20220510.cgz/lkp-icl-2sp8/MRPL/fxmark/4 commit: 9d2a6211a7 ("fs: tidy up step_into() & friends before inlining") 177fdbae39 ("fs: inline step_into() and walk_component()") 9d2a6211a7b97256 177fdbae39ecccb441d45e5e5ab ---------------- --------------------------- %stddev %change %stddev \ | \ 7403946 +6.8% 7907512 fxmark.ssd_ext4_no_jnl_MRPL_4_bufferedio.works/sec 8028 ± 3% -13.1% 6980 ± 5% numa-meminfo.node0.KernelStack 5780 ± 5% +18.5% 6851 ± 5% numa-meminfo.node1.KernelStack 8029 ± 3% -13.0% 6982 ± 6% numa-vmstat.node0.nr_kernel_stack 5781 ± 5% +18.5% 6852 ± 5% numa-vmstat.node1.nr_kernel_stack 3107 ± 13% -14.2% 2665 perf-sched.total_wait_and_delay.max.ms 3107 ± 13% -14.2% 2665 perf-sched.total_wait_time.max.ms 1610350 +2.0% 1642966 perf-stat.i.cache-references 1587301 +2.0% 1619507 perf-stat.ps.cache-references 6.94 ± 83% -6.1 0.88 ±223% perf-profile.calltrace.cycles-pp.iput.__dentry_kill.dput.__fput.task_work_run 8.67 ± 84% -4.8 3.89 ±143% perf-profile.calltrace.cycles-pp.mutex_unlock.sw_perf_event_destroy.__free_event.perf_event_release_kernel.perf_release 7.84 ± 83% -3.3 4.52 ±163% perf-profile.calltrace.cycles-pp.tlb_finish_mmu.exit_mmap.__mmput.exit_mm.do_exit 5.17 ±117% -2.3 2.86 ±144% perf-profile.calltrace.cycles-pp.__tlb_batch_free_encoded_pages.tlb_finish_mmu.exit_mmap.__mmput.exit_mm 5.17 ±117% -2.3 2.86 ±144% perf-profile.calltrace.cycles-pp.folios_put_refs.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages.tlb_finish_mmu.exit_mmap 5.17 ±117% -2.3 2.86 ±144% perf-profile.calltrace.cycles-pp.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages.tlb_finish_mmu.exit_mmap.__mmput 6.94 ± 83% -6.1 0.88 ±223% perf-profile.children.cycles-pp.iput 10.34 ± 99% -5.3 5.00 ±152% perf-profile.children.cycles-pp.mutex_unlock 7.84 ± 83% -3.3 4.52 ±163% perf-profile.children.cycles-pp.tlb_finish_mmu 5.17 ±117% -2.3 2.86 ±144% perf-profile.children.cycles-pp.__tlb_batch_free_encoded_pages 5.17 ±117% -2.3 2.86 ±144% perf-profile.children.cycles-pp.free_pages_and_swap_cache 6.94 ± 83% -6.1 0.88 ±223% perf-profile.self.cycles-pp.iput 10.34 ± 99% -5.3 5.00 ±152% perf-profile.self.cycles-pp.mutex_unlock 3.78 ±100% -1.4 2.38 ±223% perf-profile.self.cycles-pp.zap_present_ptes 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