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X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Jul 2026 13:13:28.7065 (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: 8pQgjeB/6TuDppbK4IBQ3dPmLDscttRktToJGbTKqYpeHRdQcoqPuWgKBE7bncb10z1SIo4nqVH3kpD1SnWegw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH8PR11MB9606 X-OriginatorOrg: intel.com Hello, kernel test robot noticed a 24.1% regression of fxmark.ssd_xfs_DRBH_4_bufferedio.works/sec on: commit: 9b64ca202f364a6bf8e19bdd20953bc2d776c67f ("xfs: store an agbno in struct xfs_imap") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master [still regression on linus/master a635d6748234582ea287c5ffeae28b9b23f91c7e] [still regression on linux-next/master bee763d5f341b99cf472afeb508d4988f62a6ca1] testcase: 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: DRBH fstype: xfs directio: bufferedio thread_nr: 4 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/202607161601.867c143e-lkp@intel.com Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20260716/202607161601.867c143e-lkp@intel.com ========================================================================================= compiler/cpufreq_governor/directio/disk/fstype/kconfig/media/rootfs/tbox_group/test/testcase/thread_nr: gcc-14/performance/bufferedio/1SSD/xfs/x86_64-rhel-9.4/ssd/debian-13-x86_64-20250902.cgz/lkp-icl-2sp8/DRBH/fxmark/4 commit: caffb4252c ("xfs: massage xfs_imap_to_bp into xfs_read_icluster") 9b64ca202f ("xfs: store an agbno in struct xfs_imap") caffb4252cf15c5c 9b64ca202f364a6bf8e19bdd209 ---------------- --------------------------- %stddev %change %stddev \ | \ 23.90 ± 3% -12.6% 20.88 ± 3% fxmark.ssd_xfs_DRBH_4_bufferedio.user_sec 12.24 ± 3% -12.9% 10.67 ± 4% fxmark.ssd_xfs_DRBH_4_bufferedio.user_util 3.662e+08 ± 4% -24.1% 2.78e+08 ± 4% fxmark.ssd_xfs_DRBH_4_bufferedio.works 7324905 ± 4% -24.1% 5559335 ± 4% fxmark.ssd_xfs_DRBH_4_bufferedio.works/sec 76773 ± 5% +13.3% 87019 ± 10% cpuidle..usage 10.88 ± 3% -12.1% 9.56 ± 6% iostat.cpu.user 11.27 ± 3% -1.3 9.96 ± 6% mpstat.cpu.all.usr% 2332 ± 2% +6.5% 2483 ± 6% vmstat.system.cs 1.34 ± 49% +112.1% 2.85 ± 31% perf-sched.sch_delay.avg.ms.perf_trace_sched_switch.preempt_schedule_irq.irqentry_exit.asm_sysvec_apic_timer_interrupt.current_time 1.89 ± 46% +763.1% 16.29 ± 43% perf-sched.sch_delay.max.ms.perf_trace_sched_switch.preempt_schedule_irq.irqentry_exit.asm_sysvec_apic_timer_interrupt.current_time 66.33 ± 17% +69.8% 112.67 ± 28% perf-sched.wait_and_delay.count.perf_trace_sched_switch.preempt_schedule_thunk.filemap_get_read_batch.filemap_get_pages.filemap_read 1.34 ± 49% +112.1% 2.85 ± 31% perf-sched.wait_time.avg.ms.perf_trace_sched_switch.preempt_schedule_irq.irqentry_exit.asm_sysvec_apic_timer_interrupt.current_time 1.89 ± 46% +763.1% 16.29 ± 43% perf-sched.wait_time.max.ms.perf_trace_sched_switch.preempt_schedule_irq.irqentry_exit.asm_sysvec_apic_timer_interrupt.current_time 5.58 ±104% -4.4 1.19 ±223% perf-profile.calltrace.cycles-pp.pv_native_safe_halt.acpi_safe_halt.acpi_idle_do_entry.acpi_idle_enter.cpuidle_enter_state 4.45 ±117% -3.3 1.11 ±223% perf-profile.calltrace.cycles-pp.lru_gen_del_folio.__page_cache_release.folios_put_refs.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages 3.26 ±101% -3.3 0.00 perf-profile.calltrace.cycles-pp.__page_cache_release.folios_put_refs.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages.tlb_flush_mmu 4.30 ± 72% -2.8 1.52 ±223% perf-profile.calltrace.cycles-pp.mutex_unlock.sw_perf_event_destroy.__free_event.perf_event_release_kernel.perf_release 4.15 ± 74% -2.3 1.87 ±145% perf-profile.calltrace.cycles-pp.tear_down_vmas.exit_mmap.__mmput.exit_mm.do_exit 4.14 ±103% -1.6 2.58 ±160% perf-profile.calltrace.cycles-pp.__dentry_kill.finish_dput.__fput.task_work_run.do_exit 4.14 ±103% -1.6 2.58 ±160% perf-profile.calltrace.cycles-pp.finish_dput.__fput.task_work_run.do_exit.do_group_exit 3.11 ±101% -1.1 2.04 ±148% perf-profile.calltrace.cycles-pp.free_unref_folios.folios_put_refs.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages.tlb_finish_mmu 3.26 ±101% -0.7 2.58 ±160% perf-profile.calltrace.cycles-pp.kmem_cache_free.__dentry_kill.finish_dput.__fput.task_work_run 4.45 ±117% -3.3 1.11 ±223% perf-profile.children.cycles-pp.lru_gen_del_folio 4.45 ±117% -2.6 1.84 ±146% perf-profile.children.cycles-pp.__page_cache_release 4.15 ± 74% -2.3 1.87 ±145% perf-profile.children.cycles-pp.tear_down_vmas 4.30 ± 72% -1.5 2.80 ±142% perf-profile.children.cycles-pp.mutex_unlock 4.30 ± 72% -1.5 2.80 ±142% perf-profile.self.cycles-pp.mutex_unlock 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