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X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Aug 2023 14:25:21.5322 (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: KUwwXrlwvKs/t1fxOHlFB4dcIfVxflve3oh7VIwyyx8zYHsVBqwM1W2s8hld0Y1d1Lo9VYHYH+979ZWk1h9XfQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR11MB6822 X-OriginatorOrg: intel.com X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, kernel test robot noticed a -54.7% regression of stress-ng.symlink.ops_per_sec on: commit: b3afbe4f56ec07dd9cbfd59734fe5bc084f4d307 ("[PATCH v2 4/4] blk-flush: don't need to end rq twice for non postflush") url: https://github.com/intel-lab-lkp/linux/commits/chengming-zhou-linux-dev/blk-flush-flush_rq-should-inherit-first_rq-s-cmd_flags/20230725-212146 base: https://git.kernel.org/cgit/linux/kernel/git/axboe/linux-block.git for-next patch link: https://lore.kernel.org/all/20230725130102.3030032-5-chengming.zhou@linux.dev/ patch subject: [PATCH v2 4/4] blk-flush: don't need to end rq twice for non postflush testcase: stress-ng test machine: 36 threads 1 sockets Intel(R) Core(TM) i9-9980XE CPU @ 3.00GHz (Skylake) with 32G memory parameters: nr_threads: 10% disk: 1SSD testtime: 60s fs: ext4 class: filesystem test: symlink cpufreq_governor: performance If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-lkp/202308102227.eb19f29a-oliver.sang@intel.com Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20230810/202308102227.eb19f29a-oliver.sang@intel.com ========================================================================================= class/compiler/cpufreq_governor/disk/fs/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime: filesystem/gcc-12/performance/1SSD/ext4/x86_64-rhel-8.3/10%/debian-11.1-x86_64-20220510.cgz/lkp-skl-d08/symlink/stress-ng/60s commit: 9e046e4b9a ("blk-flush: kill the flush state machine") b3afbe4f56 ("blk-flush: don't need to end rq twice for non postflush") 9e046e4b9a326538 b3afbe4f56ec07dd9cbfd59734f ---------------- --------------------------- %stddev %change %stddev \ | \ 81.33 ? 23% +701.4% 651.83 ? 8% perf-c2c.DRAM.local 385.00 ? 24% -60.2% 153.33 ? 18% perf-c2c.HITM.local 12838 ? 9% -83.6% 2111 ? 19% vmstat.io.bo 4894104 ? 2% -25.0% 3672720 ? 4% vmstat.memory.buff 0.03 ? 9% +2.1 2.12 ? 5% mpstat.cpu.all.iowait% 0.05 ? 6% -0.0 0.03 ? 7% mpstat.cpu.all.soft% 1.01 ? 2% -0.4 0.65 ? 5% mpstat.cpu.all.usr% 91.34 -2.4% 89.12 iostat.cpu.idle 0.04 ? 9% +5309.5% 2.10 ? 5% iostat.cpu.iowait 7.60 +6.7% 8.11 iostat.cpu.system 1.02 ? 2% -34.2% 0.67 ? 5% iostat.cpu.user 2.70 ? 7% +2.0 4.75 ? 4% turbostat.C1E% 0.22 ? 3% -43.2% 0.12 ? 6% turbostat.IPC 1.24 ? 63% -100.0% 0.00 turbostat.Pkg%pc2 82.91 -4.1% 79.50 turbostat.PkgWatt 395.50 -54.7% 179.17 ? 6% stress-ng.symlink.ops 6.58 -54.7% 2.98 ? 6% stress-ng.symlink.ops_per_sec 19194 ? 2% -57.0% 8247 ? 8% stress-ng.time.involuntary_context_switches 280.33 +1.7% 285.00 stress-ng.time.percent_of_cpu_this_job_got 157.58 +7.8% 169.80 stress-ng.time.system_time 16.88 -54.6% 7.67 ? 6% stress-ng.time.user_time 4864550 ? 2% -24.0% 3694800 ? 4% meminfo.Active 4805969 ? 2% -24.3% 3637287 ? 4% meminfo.Active(file) 4807385 ? 2% -24.3% 3638747 ? 4% meminfo.Buffers 137311 ? 8% -93.5% 8969 ? 61% meminfo.Dirty 253893 -8.9% 231389 meminfo.KReclaimable 8558145 -13.9% 7368683 ? 2% meminfo.Memused 253893 -8.9% 231389 meminfo.SReclaimable 8560008 -13.9% 7372705 ? 2% meminfo.max_used_kB 1201519 ? 2% -24.3% 909340 ? 4% proc-vmstat.nr_active_file 146816 ? 4% -90.7% 13672 ? 38% proc-vmstat.nr_dirtied 34328 ? 8% -93.5% 2241 ? 61% proc-vmstat.nr_dirty 1918325 -15.2% 1626003 ? 2% proc-vmstat.nr_file_pages 6000925 +5.0% 6298304 proc-vmstat.nr_free_pages 10094 +1.8% 10278 proc-vmstat.nr_mapped 63476 -8.9% 57854 proc-vmstat.nr_slab_reclaimable 25073 -3.4% 24225 proc-vmstat.nr_slab_unreclaimable 101605 ? 6% -86.6% 13660 ? 38% proc-vmstat.nr_written 1201519 ? 2% -24.3% 909340 ? 4% proc-vmstat.nr_zone_active_file 34329 ? 8% -93.5% 2242 ? 61% proc-vmstat.nr_zone_write_pending 2922100 -39.4% 1771460 ? 4% proc-vmstat.numa_hit 2925326 -39.4% 1771382 ? 4% proc-vmstat.numa_local 182296 -37.3% 114290 ? 4% proc-vmstat.pgactivate 3716779 -41.6% 2171212 ? 5% proc-vmstat.pgalloc_normal 1205341 ? 4% -41.5% 705041 ? 5% proc-vmstat.pgfree 852188 ? 10% -83.7% 138853 ? 20% proc-vmstat.pgpgout 0.01 ? 26% -100.0% 0.00 perf-sched.sch_delay.avg.ms.__cond_resched.jbd2_journal_commit_transaction.kjournald2.kthread.ret_from_fork 0.01 ? 62% -100.0% 0.00 perf-sched.sch_delay.avg.ms.kjournald2.kthread.ret_from_fork.ret_from_fork_asm 0.01 ? 26% -100.0% 0.00 perf-sched.sch_delay.max.ms.__cond_resched.jbd2_journal_commit_transaction.kjournald2.kthread.ret_from_fork 0.01 ? 29% -69.0% 0.00 ?101% perf-sched.sch_delay.max.ms.exit_to_user_mode_loop.exit_to_user_mode_prepare.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt 0.01 ? 21% -40.0% 0.01 ? 23% perf-sched.sch_delay.max.ms.io_schedule.bit_wait_io.__wait_on_bit.out_of_line_wait_on_bit 0.01 ? 62% -100.0% 0.00 perf-sched.sch_delay.max.ms.kjournald2.kthread.ret_from_fork.ret_from_fork_asm 0.03 ? 14% +166.0% 0.09 ? 58% perf-sched.sch_delay.max.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm 101.49 ? 7% +59.7% 162.10 ? 17% perf-sched.wait_and_delay.avg.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 2048 ? 3% -33.5% 1363 ? 19% perf-sched.wait_and_delay.count.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 0.03 ? 6% +40.8% 0.05 ? 13% perf-sched.wait_time.avg.ms.__cond_resched.__ext4_handle_dirty_metadata.ext4_getblk.ext4_bread.ext4_init_symlink_block 0.05 ? 11% +24.3% 0.06 ? 14% perf-sched.wait_time.avg.ms.__cond_resched.__getblk_gfp.ext4_getblk.ext4_bread.__ext4_read_dirblock 0.03 ? 51% -90.6% 0.00 ?150% perf-sched.wait_time.avg.ms.__cond_resched.down_read.__ext4_new_inode.ext4_symlink.vfs_symlink 5.83 ? 73% -100.0% 0.00 perf-sched.wait_time.avg.ms.__cond_resched.jbd2_journal_commit_transaction.kjournald2.kthread.ret_from_fork 0.03 ? 61% -84.7% 0.01 ?183% perf-sched.wait_time.avg.ms.__cond_resched.kmem_cache_alloc.security_file_alloc.init_file.alloc_empty_file 5.73 ?140% -99.2% 0.05 ?223% perf-sched.wait_time.avg.ms.io_schedule.bit_wait_io.__wait_on_bit.out_of_line_wait_on_bit 0.70 ? 18% -100.0% 0.00 perf-sched.wait_time.avg.ms.kjournald2.kthread.ret_from_fork.ret_from_fork_asm 101.46 ? 7% +59.7% 162.08 ? 17% perf-sched.wait_time.avg.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 0.04 ? 41% -93.0% 0.00 ?150% perf-sched.wait_time.max.ms.__cond_resched.down_read.__ext4_new_inode.ext4_symlink.vfs_symlink 16.16 ?215% -97.7% 0.38 ? 22% perf-sched.wait_time.max.ms.__cond_resched.dput.path_put.user_statfs.__do_sys_statfs 5.83 ? 73% -100.0% 0.00 perf-sched.wait_time.max.ms.__cond_resched.jbd2_journal_commit_transaction.kjournald2.kthread.ret_from_fork 0.07 ? 82% -90.7% 0.01 ?171% perf-sched.wait_time.max.ms.__cond_resched.kmem_cache_alloc.security_file_alloc.init_file.alloc_empty_file 25.16 ?122% -99.3% 0.16 ?223% perf-sched.wait_time.max.ms.io_schedule.bit_wait_io.__wait_on_bit.out_of_line_wait_on_bit 0.70 ? 18% -100.0% 0.00 perf-sched.wait_time.max.ms.kjournald2.kthread.ret_from_fork.ret_from_fork_asm 9.77 ? 18% +57.5% 15.38 perf-stat.i.MPKI 1.759e+09 -44.0% 9.852e+08 ? 4% perf-stat.i.branch-instructions 20930583 -32.7% 14087563 ? 4% perf-stat.i.branch-misses 10.78 +4.2 14.98 ? 4% perf-stat.i.cache-miss-rate% 8025531 -4.2% 7684648 perf-stat.i.cache-misses 77754557 ? 2% -25.5% 57916998 ? 3% perf-stat.i.cache-references 1.45 ? 8% +173.5% 3.96 ? 5% perf-stat.i.cpi 1.221e+10 +1.7% 1.241e+10 perf-stat.i.cpu-cycles 1592 +8.1% 1721 perf-stat.i.cycles-between-cache-misses 661039 -47.4% 347558 ? 5% perf-stat.i.dTLB-load-misses 2.38e+09 -45.8% 1.289e+09 ? 4% perf-stat.i.dTLB-loads 10275 ? 9% -13.3% 8913 ? 2% perf-stat.i.dTLB-store-misses 1.15e+09 -48.8% 5.892e+08 ? 5% perf-stat.i.dTLB-stores 45.27 ? 3% -14.9 30.42 ? 5% perf-stat.i.iTLB-load-miss-rate% 796188 ? 8% -47.8% 415706 ? 8% perf-stat.i.iTLB-load-misses 929612 ? 3% -10.6% 830862 perf-stat.i.iTLB-loads 9.024e+09 -45.7% 4.902e+09 ? 5% perf-stat.i.instructions 0.75 -45.0% 0.41 ? 4% perf-stat.i.ipc 0.34 +1.7% 0.34 perf-stat.i.metric.GHz 191.07 ? 8% +60.2% 306.12 ? 11% perf-stat.i.metric.K/sec 149.18 -45.7% 81.00 ? 5% perf-stat.i.metric.M/sec 1273025 ? 2% +178.5% 3545558 ? 5% perf-stat.i.node-loads 3427034 ? 2% -43.4% 1939169 ? 5% perf-stat.i.node-stores 8.60 +37.5% 11.82 perf-stat.overall.MPKI 1.19 +0.2 1.43 ? 4% perf-stat.overall.branch-miss-rate% 10.33 +3.0 13.29 ? 4% perf-stat.overall.cache-miss-rate% 1.35 +87.9% 2.54 ? 4% perf-stat.overall.cpi 1520 +6.2% 1614 perf-stat.overall.cycles-between-cache-misses 0.03 -0.0 0.03 perf-stat.overall.dTLB-load-miss-rate% 0.00 ? 11% +0.0 0.00 ? 5% perf-stat.overall.dTLB-store-miss-rate% 46.13 ? 3% -12.8 33.30 ? 5% perf-stat.overall.iTLB-load-miss-rate% 0.74 -46.7% 0.40 ? 5% perf-stat.overall.ipc 1.734e+09 -44.1% 9.699e+08 ? 4% perf-stat.ps.branch-instructions 20610819 -32.7% 13862952 ? 4% perf-stat.ps.branch-misses 7900440 -4.3% 7563578 perf-stat.ps.cache-misses 76460521 ? 2% -25.4% 57007500 ? 3% perf-stat.ps.cache-references 1.201e+10 +1.7% 1.221e+10 perf-stat.ps.cpu-cycles 652055 -47.5% 342193 ? 5% perf-stat.ps.dTLB-load-misses 2.347e+09 -45.9% 1.269e+09 ? 4% perf-stat.ps.dTLB-loads 10120 ? 9% -13.3% 8770 ? 2% perf-stat.ps.dTLB-store-misses 1.134e+09 -48.8% 5.801e+08 ? 5% perf-stat.ps.dTLB-stores 785838 ? 8% -47.9% 409304 ? 8% perf-stat.ps.iTLB-load-misses 915395 ? 3% -10.7% 817774 perf-stat.ps.iTLB-loads 8.896e+09 -45.8% 4.826e+09 ? 5% perf-stat.ps.instructions 1253851 ? 2% +178.3% 3488888 ? 5% perf-stat.ps.node-loads 3362358 ? 2% -43.2% 1909414 ? 5% perf-stat.ps.node-stores 5.702e+11 -46.4% 3.056e+11 ? 4% perf-stat.total.instructions 18.41 ? 6% -11.3 7.13 ? 37% perf-profile.calltrace.cycles-pp.unlink 18.05 ? 6% -11.0 7.05 ? 38% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.unlink 17.92 ? 6% -10.9 7.02 ? 38% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.unlink 17.61 ? 6% -10.7 6.94 ? 38% perf-profile.calltrace.cycles-pp.__x64_sys_unlink.do_syscall_64.entry_SYSCALL_64_after_hwframe.unlink 17.45 ? 6% -10.5 6.90 ? 39% perf-profile.calltrace.cycles-pp.do_unlinkat.__x64_sys_unlink.do_syscall_64.entry_SYSCALL_64_after_hwframe.unlink 12.32 ? 8% -6.7 5.61 ? 48% perf-profile.calltrace.cycles-pp.evict.do_unlinkat.__x64_sys_unlink.do_syscall_64.entry_SYSCALL_64_after_hwframe 8.70 ? 5% -6.6 2.05 ? 14% perf-profile.calltrace.cycles-pp.__statfs 12.06 ? 8% -6.5 5.56 ? 49% perf-profile.calltrace.cycles-pp.ext4_evict_inode.evict.do_unlinkat.__x64_sys_unlink.do_syscall_64 7.28 ? 5% -5.5 1.74 ? 14% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__statfs 6.78 ? 5% -5.2 1.62 ? 13% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__statfs 6.90 ? 5% -5.1 1.79 ? 14% perf-profile.calltrace.cycles-pp.ext4_map_blocks.ext4_getblk.ext4_bread.ext4_init_symlink_block.ext4_symlink 6.55 ? 5% -4.8 1.72 ? 14% perf-profile.calltrace.cycles-pp.ext4_ext_map_blocks.ext4_map_blocks.ext4_getblk.ext4_bread.ext4_init_symlink_block 5.91 ? 5% -4.5 1.40 ? 14% perf-profile.calltrace.cycles-pp.__do_sys_statfs.do_syscall_64.entry_SYSCALL_64_after_hwframe.__statfs 5.69 ? 5% -4.3 1.35 ? 14% perf-profile.calltrace.cycles-pp.user_statfs.__do_sys_statfs.do_syscall_64.entry_SYSCALL_64_after_hwframe.__statfs 5.46 ? 5% -4.0 1.44 ? 14% perf-profile.calltrace.cycles-pp.ext4_mb_new_blocks.ext4_ext_map_blocks.ext4_map_blocks.ext4_getblk.ext4_bread 4.23 ? 5% -3.2 1.06 ? 10% perf-profile.calltrace.cycles-pp.vfs_unlink.do_unlinkat.__x64_sys_unlink.do_syscall_64.entry_SYSCALL_64_after_hwframe 3.96 ? 6% -3.0 0.94 ? 12% perf-profile.calltrace.cycles-pp.statfs_by_dentry.user_statfs.__do_sys_statfs.do_syscall_64.entry_SYSCALL_64_after_hwframe 4.16 ? 5% -3.0 1.14 ? 5% perf-profile.calltrace.cycles-pp.ext4_add_nondir.ext4_symlink.vfs_symlink.do_symlinkat.__x64_sys_symlink 3.98 ? 5% -3.0 1.00 ? 11% perf-profile.calltrace.cycles-pp.ext4_unlink.vfs_unlink.do_unlinkat.__x64_sys_unlink.do_syscall_64 3.95 ? 5% -3.0 0.99 ? 11% perf-profile.calltrace.cycles-pp.__ext4_unlink.ext4_unlink.vfs_unlink.do_unlinkat.__x64_sys_unlink 3.87 ? 6% -3.0 0.92 ? 13% perf-profile.calltrace.cycles-pp.ext4_statfs.statfs_by_dentry.user_statfs.__do_sys_statfs.do_syscall_64 3.50 ? 6% -2.7 0.83 ? 12% perf-profile.calltrace.cycles-pp.__percpu_counter_sum.ext4_statfs.statfs_by_dentry.user_statfs.__do_sys_statfs 3.57 ? 5% -2.6 0.99 ? 5% perf-profile.calltrace.cycles-pp.ext4_add_entry.ext4_add_nondir.ext4_symlink.vfs_symlink.do_symlinkat 3.45 ? 5% -2.5 0.96 ? 5% perf-profile.calltrace.cycles-pp.ext4_dx_add_entry.ext4_add_entry.ext4_add_nondir.ext4_symlink.vfs_symlink 3.36 ? 5% -2.4 0.97 ? 14% perf-profile.calltrace.cycles-pp.ext4_mb_regular_allocator.ext4_mb_new_blocks.ext4_ext_map_blocks.ext4_map_blocks.ext4_getblk 3.13 ? 5% -2.3 0.78 ? 11% perf-profile.calltrace.cycles-pp.__ext4_new_inode.ext4_symlink.vfs_symlink.do_symlinkat.__x64_sys_symlink 2.53 ? 6% -1.9 0.65 ? 10% perf-profile.calltrace.cycles-pp.ext4_mb_clear_bb.ext4_remove_blocks.ext4_ext_rm_leaf.ext4_ext_remove_space.ext4_ext_truncate 2.48 ? 4% -1.8 0.65 ? 5% perf-profile.calltrace.cycles-pp.add_dirent_to_buf.ext4_dx_add_entry.ext4_add_entry.ext4_add_nondir.ext4_symlink 1.92 ? 5% -1.6 0.35 ? 70% perf-profile.calltrace.cycles-pp.ext4_mb_complex_scan_group.ext4_mb_regular_allocator.ext4_mb_new_blocks.ext4_ext_map_blocks.ext4_map_blocks 36.63 ? 5% +23.9 60.51 ? 5% perf-profile.calltrace.cycles-pp.symlink 36.25 ? 5% +24.2 60.42 ? 5% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.symlink 36.12 ? 5% +24.3 60.40 ? 5% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.symlink 35.81 ? 5% +24.5 60.32 ? 5% perf-profile.calltrace.cycles-pp.__x64_sys_symlink.do_syscall_64.entry_SYSCALL_64_after_hwframe.symlink 35.53 ? 5% +24.7 60.24 ? 5% perf-profile.calltrace.cycles-pp.do_symlinkat.__x64_sys_symlink.do_syscall_64.entry_SYSCALL_64_after_hwframe.symlink 34.80 ? 5% +25.3 60.07 ? 5% perf-profile.calltrace.cycles-pp.vfs_symlink.do_symlinkat.__x64_sys_symlink.do_syscall_64.entry_SYSCALL_64_after_hwframe 34.73 ? 5% +25.3 60.06 ? 5% perf-profile.calltrace.cycles-pp.ext4_symlink.vfs_symlink.do_symlinkat.__x64_sys_symlink.do_syscall_64 4.32 ? 22% +28.7 32.98 ? 8% perf-profile.calltrace.cycles-pp._raw_spin_lock.find_revoke_record.jbd2_journal_cancel_revoke.jbd2_journal_get_create_access.__ext4_journal_get_create_access 4.29 ? 22% +28.7 32.97 ? 8% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.find_revoke_record.jbd2_journal_cancel_revoke.jbd2_journal_get_create_access 27.14 ? 6% +30.9 58.06 ? 5% perf-profile.calltrace.cycles-pp.ext4_init_symlink_block.ext4_symlink.vfs_symlink.do_symlinkat.__x64_sys_symlink 27.08 ? 6% +31.0 58.05 ? 5% perf-profile.calltrace.cycles-pp.ext4_bread.ext4_init_symlink_block.ext4_symlink.vfs_symlink.do_symlinkat 27.08 ? 6% +31.0 58.04 ? 5% perf-profile.calltrace.cycles-pp.ext4_getblk.ext4_bread.ext4_init_symlink_block.ext4_symlink.vfs_symlink 18.24 ? 8% +37.4 55.63 ? 5% perf-profile.calltrace.cycles-pp.__ext4_journal_get_create_access.ext4_getblk.ext4_bread.ext4_init_symlink_block.ext4_symlink 18.24 ? 8% +37.4 55.63 ? 5% perf-profile.calltrace.cycles-pp.jbd2_journal_get_create_access.__ext4_journal_get_create_access.ext4_getblk.ext4_bread.ext4_init_symlink_block 17.96 ? 8% +37.6 55.56 ? 5% perf-profile.calltrace.cycles-pp.jbd2_journal_cancel_revoke.jbd2_journal_get_create_access.__ext4_journal_get_create_access.ext4_getblk.ext4_bread 17.84 ? 8% +37.7 55.53 ? 5% perf-profile.calltrace.cycles-pp.find_revoke_record.jbd2_journal_cancel_revoke.jbd2_journal_get_create_access.__ext4_journal_get_create_access.ext4_getblk 18.44 ? 6% -11.3 7.14 ? 37% perf-profile.children.cycles-pp.unlink 17.61 ? 6% -10.7 6.94 ? 38% perf-profile.children.cycles-pp.__x64_sys_unlink 17.46 ? 6% -10.6 6.90 ? 39% perf-profile.children.cycles-pp.do_unlinkat 12.32 ? 8% -6.7 5.61 ? 48% perf-profile.children.cycles-pp.evict 8.76 ? 5% -6.7 2.06 ? 14% perf-profile.children.cycles-pp.__statfs 12.07 ? 8% -6.5 5.56 ? 49% perf-profile.children.cycles-pp.ext4_evict_inode 7.58 ? 5% -5.6 1.97 ? 13% perf-profile.children.cycles-pp.ext4_map_blocks 7.08 ? 4% -5.3 1.77 ? 9% perf-profile.children.cycles-pp.__ext4_mark_inode_dirty 6.56 ? 5% -4.8 1.72 ? 14% perf-profile.children.cycles-pp.ext4_ext_map_blocks 5.91 ? 5% -4.5 1.40 ? 14% perf-profile.children.cycles-pp.__do_sys_statfs 5.92 ? 4% -4.4 1.49 ? 9% perf-profile.children.cycles-pp.ext4_mark_iloc_dirty 5.69 ? 5% -4.3 1.35 ? 14% perf-profile.children.cycles-pp.user_statfs 5.43 ? 3% -4.1 1.35 ? 10% perf-profile.children.cycles-pp.ext4_do_update_inode 5.46 ? 5% -4.0 1.45 ? 14% perf-profile.children.cycles-pp.ext4_mb_new_blocks 4.23 ? 5% -3.2 1.06 ? 10% perf-profile.children.cycles-pp.vfs_unlink 4.10 ? 5% -3.0 1.06 ? 12% perf-profile.children.cycles-pp.crc32c_pcl_intel_update 3.96 ? 6% -3.0 0.94 ? 12% perf-profile.children.cycles-pp.statfs_by_dentry 4.16 ? 5% -3.0 1.14 ? 5% perf-profile.children.cycles-pp.ext4_add_nondir 3.98 ? 5% -3.0 1.00 ? 11% perf-profile.children.cycles-pp.ext4_unlink 3.96 ? 5% -3.0 0.99 ? 11% perf-profile.children.cycles-pp.__ext4_unlink 3.88 ? 6% -3.0 0.92 ? 13% perf-profile.children.cycles-pp.ext4_statfs 3.96 ? 3% -3.0 1.00 ? 11% perf-profile.children.cycles-pp.ext4_fill_raw_inode 3.64 ? 6% -2.8 0.86 ? 13% perf-profile.children.cycles-pp.__percpu_counter_sum 3.57 ? 5% -2.6 0.99 ? 5% perf-profile.children.cycles-pp.ext4_add_entry 3.45 ? 5% -2.5 0.96 ? 5% perf-profile.children.cycles-pp.ext4_dx_add_entry 3.36 ? 5% -2.4 0.97 ? 14% perf-profile.children.cycles-pp.ext4_mb_regular_allocator 3.14 ? 5% -2.4 0.78 ? 11% perf-profile.children.cycles-pp.__ext4_new_inode 2.85 ? 3% -2.1 0.70 ? 13% perf-profile.children.cycles-pp.ext4_inode_csum_set 2.75 ? 4% -2.1 0.64 ? 8% perf-profile.children.cycles-pp.__find_get_block 2.68 ? 3% -2.0 0.66 ? 13% perf-profile.children.cycles-pp.ext4_inode_csum 2.64 ? 7% -1.9 0.72 ? 7% perf-profile.children.cycles-pp.syscall_exit_to_user_mode 2.54 ? 7% -1.9 0.65 ? 10% perf-profile.children.cycles-pp.ext4_mb_clear_bb 2.54 ? 5% -1.9 0.66 ? 12% perf-profile.children.cycles-pp.syscall_return_via_sysret 2.48 ? 4% -1.8 0.65 ? 5% perf-profile.children.cycles-pp.add_dirent_to_buf 2.42 ? 5% -1.8 0.61 ? 14% perf-profile.children.cycles-pp.ext4_reserve_inode_write 2.29 ? 6% -1.7 0.56 ? 16% perf-profile.children.cycles-pp.user_path_at_empty 2.32 ? 4% -1.7 0.63 ? 7% perf-profile.children.cycles-pp.__filemap_get_folio 1.92 ? 5% -1.4 0.49 ? 12% perf-profile.children.cycles-pp.ext4_mb_complex_scan_group 1.82 ? 4% -1.3 0.47 ? 10% perf-profile.children.cycles-pp.open64 1.71 ? 6% -1.3 0.44 ? 10% perf-profile.children.cycles-pp.do_readlinkat 1.63 ? 8% -1.2 0.40 ? 15% perf-profile.children.cycles-pp.filename_lookup 1.66 ? 7% -1.2 0.44 ? 11% perf-profile.children.cycles-pp.readlinkat 1.66 ? 7% -1.2 0.44 ? 9% perf-profile.children.cycles-pp.crc_pcl 1.60 ? 3% -1.2 0.38 ? 3% perf-profile.children.cycles-pp.filemap_get_entry 1.57 ? 6% -1.2 0.36 ? 11% perf-profile.children.cycles-pp.syscall 1.58 ? 3% -1.2 0.40 ? 7% perf-profile.children.cycles-pp.ext4_find_dest_de 1.63 ? 6% -1.2 0.46 ? 9% perf-profile.children.cycles-pp.__getblk_gfp 1.29 ? 15% -1.1 0.14 ? 22% perf-profile.children.cycles-pp.ret_from_fork_asm 1.29 ? 15% -1.1 0.14 ? 22% perf-profile.children.cycles-pp.ret_from_fork 1.29 ? 15% -1.1 0.14 ? 22% perf-profile.children.cycles-pp.kthread 1.48 ? 8% -1.1 0.36 ? 16% perf-profile.children.cycles-pp.path_lookupat 1.49 ? 5% -1.1 0.38 ? 14% perf-profile.children.cycles-pp.getname_flags 1.41 ? 5% -1.0 0.36 ? 13% perf-profile.children.cycles-pp.__lxstat64 1.42 ? 4% -1.0 0.37 ? 15% perf-profile.children.cycles-pp.ext4_get_inode_loc 1.37 ? 4% -1.0 0.36 ? 15% perf-profile.children.cycles-pp.__ext4_get_inode_loc 1.27 ? 8% -1.0 0.30 ? 20% perf-profile.children.cycles-pp.__ext4_journal_get_write_access 1.29 ? 7% -1.0 0.32 ? 13% perf-profile.children.cycles-pp.__mark_inode_dirty 1.26 ? 5% -0.9 0.31 ? 15% perf-profile.children.cycles-pp.__entry_text_start 1.28 ? 7% -0.9 0.38 ? 12% perf-profile.children.cycles-pp.__ext4_read_dirblock 1.24 ? 4% -0.9 0.35 ? 10% perf-profile.children.cycles-pp._find_next_bit 1.16 ? 9% -0.9 0.30 ? 10% perf-profile.children.cycles-pp.ext4_orphan_del 1.12 ? 6% -0.9 0.27 ? 10% perf-profile.children.cycles-pp.__close 1.09 ? 2% -0.8 0.30 ? 9% perf-profile.children.cycles-pp.__x64_sys_openat 1.05 ? 9% -0.8 0.26 ? 14% perf-profile.children.cycles-pp.ext4_orphan_add 1.02 ? 7% -0.8 0.24 ? 13% perf-profile.children.cycles-pp.ext4_mb_mark_diskspace_used 1.07 -0.8 0.29 ? 8% perf-profile.children.cycles-pp.do_sys_openat2 1.03 ? 8% -0.8 0.26 ? 13% perf-profile.children.cycles-pp.ext4_dirty_inode 0.99 ? 5% -0.7 0.26 ? 10% perf-profile.children.cycles-pp.kmem_cache_alloc 0.96 ? 6% -0.7 0.24 ? 16% perf-profile.children.cycles-pp.strncpy_from_user 1.09 ? 6% -0.7 0.37 ? 11% perf-profile.children.cycles-pp.__getblk_slow 0.92 ? 9% -0.7 0.22 ? 17% perf-profile.children.cycles-pp.__ext4_find_entry 0.88 ? 7% -0.7 0.21 ? 16% perf-profile.children.cycles-pp.ext4_dx_find_entry 0.89 ? 10% -0.7 0.22 ? 15% perf-profile.children.cycles-pp._find_next_or_bit 0.91 ? 5% -0.6 0.26 ? 9% perf-profile.children.cycles-pp.__x64_sys_readlinkat 0.84 ? 7% -0.6 0.19 ? 12% perf-profile.children.cycles-pp.__x64_sys_readlink 0.86 ? 7% -0.6 0.22 ? 9% perf-profile.children.cycles-pp.__ext4_handle_dirty_metadata 0.89 ? 8% -0.6 0.26 ? 18% perf-profile.children.cycles-pp.ext4_block_bitmap_csum_set 0.84 ? 6% -0.6 0.22 ? 15% perf-profile.children.cycles-pp.link_path_walk 0.80 ? 4% -0.6 0.20 ? 6% perf-profile.children.cycles-pp.xas_load 0.81 ? 2% -0.6 0.21 ? 12% perf-profile.children.cycles-pp.do_filp_open 0.77 ? 3% -0.6 0.20 ? 12% perf-profile.children.cycles-pp.path_openat 0.74 ? 7% -0.6 0.18 ? 11% perf-profile.children.cycles-pp.ext4_free_inode 0.70 ? 9% -0.6 0.14 ? 21% perf-profile.children.cycles-pp.jbd2__journal_start 0.77 ? 7% -0.6 0.21 ? 8% perf-profile.children.cycles-pp.dx_probe 0.69 ? 7% -0.5 0.15 ? 18% perf-profile.children.cycles-pp.complete_walk 0.71 ? 4% -0.5 0.18 ? 13% perf-profile.children.cycles-pp.__check_object_size 0.69 ? 8% -0.5 0.18 ? 15% perf-profile.children.cycles-pp.__do_sys_newlstat 0.64 ? 8% -0.5 0.14 ? 18% perf-profile.children.cycles-pp.try_to_unlazy 0.64 ? 5% -0.5 0.15 ? 10% perf-profile.children.cycles-pp.vfs_readlink 0.77 ? 12% -0.5 0.31 ? 13% perf-profile.children.cycles-pp.__do_softirq 0.66 ? 7% -0.5 0.19 ? 10% perf-profile.children.cycles-pp._raw_spin_lock_irqsave 0.64 ? 3% -0.5 0.18 ? 19% perf-profile.children.cycles-pp.ext4_handle_dirty_dirblock 0.59 ? 8% -0.5 0.13 ? 13% perf-profile.children.cycles-pp.filename_create 0.63 ? 8% -0.5 0.18 ? 12% perf-profile.children.cycles-pp.new_inode 0.57 ? 9% -0.4 0.13 ? 18% perf-profile.children.cycles-pp.__legitimize_path 0.60 ? 9% -0.4 0.16 ? 12% perf-profile.children.cycles-pp.vfs_fstatat 0.55 ? 7% -0.4 0.13 ? 15% perf-profile.children.cycles-pp.__cond_resched 0.58 ? 14% -0.4 0.16 ? 18% perf-profile.children.cycles-pp.rcu_core 0.54 ? 10% -0.4 0.13 ? 12% perf-profile.children.cycles-pp.ext4_es_remove_extent 0.51 ? 8% -0.4 0.10 ? 21% perf-profile.children.cycles-pp.start_this_handle 0.55 ? 8% -0.4 0.14 ? 12% perf-profile.children.cycles-pp.ext4_mb_load_buddy_gfp 0.52 ? 6% -0.4 0.13 ? 23% perf-profile.children.cycles-pp.lookup_one_qstr_excl 0.48 ? 3% -0.4 0.09 ? 22% perf-profile.children.cycles-pp.percpu_counter_add_batch 0.53 ? 9% -0.4 0.14 ? 14% perf-profile.children.cycles-pp.__ext4_journal_stop 0.55 ? 8% -0.4 0.16 ? 13% perf-profile.children.cycles-pp.alloc_inode 0.52 ? 7% -0.4 0.13 ? 23% perf-profile.children.cycles-pp.lookup_dcache 0.51 ? 9% -0.4 0.12 ? 10% perf-profile.children.cycles-pp.__es_remove_extent 0.51 ? 8% -0.4 0.12 ? 14% perf-profile.children.cycles-pp.__filename_parentat 0.54 ? 15% -0.4 0.15 ? 17% perf-profile.children.cycles-pp.rcu_do_batch 0.51 ? 6% -0.4 0.13 ? 23% perf-profile.children.cycles-pp.d_lookup 0.51 ? 6% -0.4 0.13 ? 23% perf-profile.children.cycles-pp.__d_lookup 0.50 ? 10% -0.4 0.12 ? 17% perf-profile.children.cycles-pp.ext4_ext_insert_extent 0.46 ? 3% -0.4 0.10 ? 11% perf-profile.children.cycles-pp.__ext4_check_dir_entry 0.47 ? 8% -0.4 0.11 ? 16% perf-profile.children.cycles-pp.exit_to_user_mode_prepare 0.49 ? 10% -0.4 0.14 ? 17% perf-profile.children.cycles-pp.ext4_alloc_inode 0.48 ? 9% -0.4 0.13 ? 14% perf-profile.children.cycles-pp.jbd2_journal_stop 0.48 ? 10% -0.3 0.13 ? 8% perf-profile.children.cycles-pp.ext4_es_lookup_extent 0.44 ? 9% -0.3 0.10 ? 17% perf-profile.children.cycles-pp.path_parentat 0.45 ? 6% -0.3 0.11 ? 18% perf-profile.children.cycles-pp.kmem_cache_free 0.42 ? 8% -0.3 0.08 ? 22% perf-profile.children.cycles-pp.jbd2_journal_revoke 0.47 ? 4% -0.3 0.14 ? 25% perf-profile.children.cycles-pp.jbd2_journal_get_write_access 0.46 ? 9% -0.3 0.13 ? 12% perf-profile.children.cycles-pp.pagecache_get_page 0.44 ? 6% -0.3 0.12 ? 14% perf-profile.children.cycles-pp.ext4_delete_entry 0.42 ? 13% -0.3 0.09 ? 11% perf-profile.children.cycles-pp._raw_read_lock 0.44 ? 10% -0.3 0.12 ? 14% perf-profile.children.cycles-pp.vfs_statx 0.42 ? 8% -0.3 0.11 ? 16% perf-profile.children.cycles-pp.jbd2_journal_dirty_metadata 0.43 ? 11% -0.3 0.12 ? 11% perf-profile.children.cycles-pp.kmem_cache_alloc_lru 0.41 ? 4% -0.3 0.10 ? 18% perf-profile.children.cycles-pp.check_heap_object 0.41 ? 10% -0.3 0.10 ? 13% perf-profile.children.cycles-pp.xas_descend 0.39 ? 10% -0.3 0.09 ? 12% perf-profile.children.cycles-pp.__brelse 0.37 ? 8% -0.3 0.08 ? 19% perf-profile.children.cycles-pp.ext4_es_insert_extent 0.40 ? 11% -0.3 0.12 ? 23% perf-profile.children.cycles-pp.smpboot_thread_fn 0.39 ? 8% -0.3 0.10 ? 16% perf-profile.children.cycles-pp.fscrypt_match_name 0.36 ? 7% -0.3 0.08 ? 22% perf-profile.children.cycles-pp.dput 0.38 ? 12% -0.3 0.11 ? 22% perf-profile.children.cycles-pp.run_ksoftirqd 0.36 ? 7% -0.3 0.09 ? 23% perf-profile.children.cycles-pp.ext4_group_desc_csum_set 0.36 ? 8% -0.3 0.09 ? 21% perf-profile.children.cycles-pp.mb_find_extent 0.36 ? 16% -0.3 0.09 ? 24% perf-profile.children.cycles-pp.lockref_get_not_dead 0.35 ? 9% -0.3 0.08 ? 16% perf-profile.children.cycles-pp.ext4_get_link 0.34 ? 7% -0.3 0.08 ? 23% perf-profile.children.cycles-pp.ext4_group_desc_csum 0.30 ? 8% -0.3 0.05 ? 48% perf-profile.children.cycles-pp.ext4_get_group_desc 0.34 ? 12% -0.2 0.10 ? 21% perf-profile.children.cycles-pp.inode_permission 0.36 ? 6% -0.2 0.11 ? 26% perf-profile.children.cycles-pp.jbd2_write_access_granted 0.30 ? 6% -0.2 0.06 ? 51% perf-profile.children.cycles-pp.jbd2_journal_forget 0.32 ? 7% -0.2 0.08 ? 20% perf-profile.children.cycles-pp.__slab_free 0.31 ? 6% -0.2 0.08 ? 20% perf-profile.children.cycles-pp._IO_default_xsputn 0.31 ? 10% -0.2 0.08 ? 19% perf-profile.children.cycles-pp.alloc_empty_file 0.29 ? 11% -0.2 0.06 ? 15% perf-profile.children.cycles-pp.__es_insert_extent 0.31 ? 8% -0.2 0.08 ? 14% perf-profile.children.cycles-pp.mb_find_order_for_block 0.32 ? 2% -0.2 0.09 ? 10% perf-profile.children.cycles-pp.memset_orig 0.31 ? 13% -0.2 0.09 ? 32% perf-profile.children.cycles-pp._raw_spin_trylock 0.34 ? 11% -0.2 0.13 ? 11% perf-profile.children.cycles-pp.filemap_add_folio 0.27 ? 5% -0.2 0.06 ? 11% perf-profile.children.cycles-pp.crypto_shash_update 0.25 ? 13% -0.2 0.04 ? 71% perf-profile.children.cycles-pp.path_init 0.29 ? 9% -0.2 0.08 ? 11% perf-profile.children.cycles-pp.___slab_alloc 0.24 ? 8% -0.2 0.03 ?101% perf-profile.children.cycles-pp.path_put 0.26 ? 11% -0.2 0.06 ? 17% perf-profile.children.cycles-pp.exit_to_user_mode_loop 0.44 ? 13% -0.2 0.25 ? 12% perf-profile.children.cycles-pp.__irq_exit_rcu 0.25 ? 10% -0.2 0.06 ? 47% perf-profile.children.cycles-pp.ext4_read_block_bitmap 0.28 ? 11% -0.2 0.08 ? 22% perf-profile.children.cycles-pp.ext4_mb_free_metadata 0.23 ? 18% -0.2 0.04 ? 72% perf-profile.children.cycles-pp.ext4_inode_bitmap_csum_set 0.29 ? 13% -0.2 0.10 ? 40% perf-profile.children.cycles-pp.ext4_mb_prefetch 0.22 ? 6% -0.2 0.03 ?105% perf-profile.children.cycles-pp.lockref_put_return 0.22 ? 12% -0.2 0.04 ? 72% perf-profile.children.cycles-pp.task_work_run 0.24 ? 10% -0.2 0.06 ? 47% perf-profile.children.cycles-pp.ext4_read_block_bitmap_nowait 0.21 ? 9% -0.2 0.03 ?100% perf-profile.children.cycles-pp.ext4_es_free_extent 0.22 ? 10% -0.2 0.04 ? 72% perf-profile.children.cycles-pp.__check_block_validity 0.22 ? 13% -0.2 0.04 ? 77% perf-profile.children.cycles-pp.generic_permission 0.24 ? 8% -0.2 0.07 ? 20% perf-profile.children.cycles-pp.ext4_sb_block_valid 0.24 ? 4% -0.2 0.07 ? 17% perf-profile.children.cycles-pp.__virt_addr_valid 0.24 ? 14% -0.2 0.07 ? 14% perf-profile.children.cycles-pp.allocate_slab 0.20 ? 9% -0.2 0.02 ? 99% perf-profile.children.cycles-pp.__check_heap_object 0.20 ? 14% -0.2 0.03 ?102% perf-profile.children.cycles-pp.walk_component 0.25 ? 10% -0.2 0.08 ? 22% perf-profile.children.cycles-pp.ext4_get_group_info 0.23 ? 11% -0.2 0.06 ? 14% perf-profile.children.cycles-pp.do_open 0.22 ? 9% -0.2 0.06 ? 13% perf-profile.children.cycles-pp.ext4_mb_use_best_found 0.22 ? 9% -0.2 0.06 ? 46% perf-profile.children.cycles-pp.entry_SYSCALL_64_safe_stack 0.22 ? 11% -0.2 0.06 ? 15% perf-profile.children.cycles-pp.readlink_copy 0.21 ? 10% -0.2 0.04 ? 45% perf-profile.children.cycles-pp.__ext4fs_dirhash 0.25 ? 11% -0.2 0.10 ? 11% perf-profile.children.cycles-pp.__filemap_add_folio 0.20 ? 9% -0.2 0.04 ? 45% perf-profile.children.cycles-pp.ext4_mb_prefetch_fini 0.20 ? 18% -0.2 0.05 ? 46% perf-profile.children.cycles-pp.shuffle_freelist 0.22 ? 11% -0.2 0.07 ? 21% perf-profile.children.cycles-pp.folio_mark_accessed 0.19 ? 16% -0.1 0.04 ? 45% perf-profile.children.cycles-pp.__list_del_entry_valid 0.20 ? 12% -0.1 0.06 ? 19% perf-profile.children.cycles-pp._copy_to_user 0.19 ? 3% -0.1 0.05 ? 46% perf-profile.children.cycles-pp.__jbd2_journal_file_buffer 0.18 ? 18% -0.1 0.04 ? 45% perf-profile.children.cycles-pp.setup_object 0.17 ? 15% -0.1 0.05 ? 46% perf-profile.children.cycles-pp.ext4_fc_init_inode 0.16 ? 10% -0.1 0.04 ? 45% perf-profile.children.cycles-pp.memcg_slab_post_alloc_hook 0.16 ? 13% -0.1 0.05 ? 75% perf-profile.children.cycles-pp.folio_alloc 0.17 ? 13% -0.1 0.06 ? 53% perf-profile.children.cycles-pp.__alloc_pages 0.13 ? 19% -0.1 0.03 ?103% perf-profile.children.cycles-pp.get_page_from_freelist 0.27 ? 12% -0.1 0.18 ? 17% perf-profile.children.cycles-pp.ext4_mb_find_good_group_avg_frag_lists 0.12 ? 8% -0.1 0.04 ? 73% perf-profile.children.cycles-pp.touch_atime 0.11 ? 14% -0.1 0.04 ? 72% perf-profile.children.cycles-pp._raw_spin_lock_irq 36.65 ? 5% +23.9 60.52 ? 5% perf-profile.children.cycles-pp.symlink 35.81 ? 5% +24.5 60.32 ? 5% perf-profile.children.cycles-pp.__x64_sys_symlink 35.54 ? 5% +24.7 60.24 ? 5% perf-profile.children.cycles-pp.do_symlinkat 34.80 ? 5% +25.3 60.07 ? 5% perf-profile.children.cycles-pp.vfs_symlink 34.73 ? 5% +25.3 60.06 ? 5% perf-profile.children.cycles-pp.ext4_symlink 8.16 ? 6% +28.3 36.49 ? 4% perf-profile.children.cycles-pp._raw_spin_lock 6.76 ? 6% +29.4 36.14 ? 4% perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath 28.56 ? 6% +29.9 58.46 ? 5% perf-profile.children.cycles-pp.ext4_bread 28.54 ? 6% +29.9 58.46 ? 5% perf-profile.children.cycles-pp.ext4_getblk 27.14 ? 6% +30.9 58.06 ? 5% perf-profile.children.cycles-pp.ext4_init_symlink_block 18.24 ? 8% +37.4 55.63 ? 5% perf-profile.children.cycles-pp.__ext4_journal_get_create_access 18.24 ? 8% +37.4 55.63 ? 5% perf-profile.children.cycles-pp.jbd2_journal_get_create_access 17.96 ? 8% +37.6 55.56 ? 5% perf-profile.children.cycles-pp.jbd2_journal_cancel_revoke 17.85 ? 8% +37.7 55.53 ? 5% perf-profile.children.cycles-pp.find_revoke_record 2.53 ? 5% -1.9 0.66 ? 12% perf-profile.self.cycles-pp.syscall_return_via_sysret 2.23 ? 5% -1.7 0.54 ? 15% perf-profile.self.cycles-pp.__percpu_counter_sum 2.19 ? 4% -1.6 0.56 ? 13% perf-profile.self.cycles-pp.crc32c_pcl_intel_update 2.15 ? 7% -1.5 0.60 ? 8% perf-profile.self.cycles-pp.syscall_exit_to_user_mode 1.64 ? 7% -1.2 0.44 ? 9% perf-profile.self.cycles-pp.crc_pcl 1.47 ? 4% -1.1 0.40 ? 15% perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe 1.41 ? 8% -1.0 0.36 ? 8% perf-profile.self.cycles-pp._raw_spin_lock 1.28 ? 6% -1.0 0.30 ? 15% perf-profile.self.cycles-pp.__find_get_block 1.24 ? 4% -0.9 0.35 ? 11% perf-profile.self.cycles-pp._find_next_bit 1.10 ? 5% -0.8 0.27 ? 16% perf-profile.self.cycles-pp.__entry_text_start 0.96 ? 5% -0.7 0.26 ? 13% perf-profile.self.cycles-pp.ext4_fill_raw_inode 0.82 ? 6% -0.6 0.19 ? 11% perf-profile.self.cycles-pp.filemap_get_entry 0.76 ? 9% -0.6 0.18 ? 17% perf-profile.self.cycles-pp._find_next_or_bit 0.76 ? 4% -0.6 0.20 ? 11% perf-profile.self.cycles-pp.ext4_find_dest_de 0.66 ? 6% -0.5 0.17 ? 16% perf-profile.self.cycles-pp.__ext4_get_inode_loc 0.60 ? 5% -0.5 0.14 ? 3% perf-profile.self.cycles-pp.kmem_cache_alloc 0.62 ? 8% -0.4 0.18 ? 10% perf-profile.self.cycles-pp._raw_spin_lock_irqsave 0.53 ? 8% -0.4 0.12 ? 17% perf-profile.self.cycles-pp.ext4_inode_csum 0.46 ? 3% -0.4 0.08 ? 21% perf-profile.self.cycles-pp.percpu_counter_add_batch 0.46 ? 3% -0.4 0.10 ? 11% perf-profile.self.cycles-pp.__ext4_check_dir_entry 0.47 ? 13% -0.4 0.10 ? 18% perf-profile.self.cycles-pp.__ext4_journal_get_write_access 0.47 ? 8% -0.4 0.12 ? 22% perf-profile.self.cycles-pp.ext4_do_update_inode 0.41 ? 12% -0.3 0.09 ? 10% perf-profile.self.cycles-pp._raw_read_lock 0.38 ? 9% -0.3 0.08 ? 14% perf-profile.self.cycles-pp.__brelse 0.39 ? 9% -0.3 0.10 ? 27% perf-profile.self.cycles-pp.__d_lookup 0.38 ? 11% -0.3 0.10 ? 12% perf-profile.self.cycles-pp.xas_descend 0.37 ? 10% -0.3 0.09 ? 14% perf-profile.self.cycles-pp.link_path_walk 0.37 ? 4% -0.3 0.10 ? 18% perf-profile.self.cycles-pp.kmem_cache_free 0.36 ? 11% -0.3 0.08 ? 18% perf-profile.self.cycles-pp.__cond_resched 0.37 ? 9% -0.3 0.11 ? 9% perf-profile.self.cycles-pp.ext4_mark_iloc_dirty 0.35 ? 15% -0.3 0.09 ? 24% perf-profile.self.cycles-pp.lockref_get_not_dead 0.34 ? 9% -0.3 0.09 ? 22% perf-profile.self.cycles-pp.strncpy_from_user 0.30 ? 8% -0.2 0.05 ? 48% perf-profile.self.cycles-pp.ext4_get_group_desc 0.34 ? 11% -0.2 0.10 ? 21% perf-profile.self.cycles-pp.__ext4_handle_dirty_metadata 0.34 ? 6% -0.2 0.10 ? 28% perf-profile.self.cycles-pp.jbd2_write_access_granted 0.32 ? 7% -0.2 0.08 ? 20% perf-profile.self.cycles-pp.__slab_free 0.31 ? 4% -0.2 0.08 ? 15% perf-profile.self.cycles-pp.xas_load 0.31 ? 6% -0.2 0.08 ? 20% perf-profile.self.cycles-pp._IO_default_xsputn 0.32 ? 2% -0.2 0.09 ? 10% perf-profile.self.cycles-pp.memset_orig 0.31 ? 7% -0.2 0.08 ? 14% perf-profile.self.cycles-pp.mb_find_order_for_block 0.31 ? 14% -0.2 0.09 ? 32% perf-profile.self.cycles-pp._raw_spin_trylock 0.25 ? 11% -0.2 0.04 ? 73% perf-profile.self.cycles-pp.ext4_statfs 0.26 ? 12% -0.2 0.05 ? 49% perf-profile.self.cycles-pp.__ext4_new_inode 0.26 ? 4% -0.2 0.06 ? 13% perf-profile.self.cycles-pp.crypto_shash_update 0.23 ? 13% -0.2 0.04 ? 71% perf-profile.self.cycles-pp.path_init 0.23 ? 14% -0.2 0.03 ?100% perf-profile.self.cycles-pp.jbd2_journal_dirty_metadata 0.25 ? 8% -0.2 0.06 ? 46% perf-profile.self.cycles-pp.fscrypt_match_name 0.22 ? 6% -0.2 0.03 ?105% perf-profile.self.cycles-pp.lockref_put_return 0.21 ? 6% -0.2 0.03 ?100% perf-profile.self.cycles-pp.__ext4_mark_inode_dirty 0.25 ? 14% -0.2 0.08 ? 18% perf-profile.self.cycles-pp.ext4_es_lookup_extent 0.24 ? 7% -0.2 0.06 ? 21% perf-profile.self.cycles-pp.ext4_sb_block_valid 0.20 ? 10% -0.2 0.02 ? 99% perf-profile.self.cycles-pp.__check_heap_object 0.23 ? 10% -0.2 0.06 ? 52% perf-profile.self.cycles-pp.ext4_get_group_info 0.20 ? 6% -0.2 0.04 ? 71% perf-profile.self.cycles-pp.ext4_reserve_inode_write 0.23 ? 4% -0.2 0.06 ? 23% perf-profile.self.cycles-pp.__virt_addr_valid 0.19 ? 15% -0.2 0.03 ?102% perf-profile.self.cycles-pp.ext4_getblk 0.19 ? 16% -0.1 0.04 ? 45% perf-profile.self.cycles-pp.__list_del_entry_valid 0.18 ? 5% -0.1 0.04 ? 45% perf-profile.self.cycles-pp.dx_probe 0.20 ? 12% -0.1 0.08 ? 72% perf-profile.self.cycles-pp.ext4_mb_prefetch 0.17 ? 16% -0.1 0.05 ? 46% perf-profile.self.cycles-pp.ext4_fc_init_inode 0.12 ? 8% -0.1 0.03 ?100% perf-profile.self.cycles-pp.do_syscall_64 0.10 ? 18% -0.1 0.03 ?102% perf-profile.self.cycles-pp._raw_spin_lock_irq 0.10 ? 23% -0.0 0.07 ? 20% perf-profile.self.cycles-pp.ext4_mb_find_good_group_avg_frag_lists 13.44 ? 5% +9.0 22.43 ? 4% perf-profile.self.cycles-pp.find_revoke_record 6.72 ? 6% +29.2 35.97 ? 4% 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