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Message-ID: <202504152235.188dcce9-lkp@intel.com>
Date: Wed, 16 Apr 2025 15:01:21 +0800
From: kernel test robot <oliver.sang@...el.com>
To: David Hildenbrand <david@...hat.com>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>, <linux-kernel@...r.kernel.org>,
Andrew Morton <akpm@...ux-foundation.org>, Andy Lutomirks^H^Hski
<luto@...nel.org>, Borislav Betkov <bp@...en8.de>, Dave Hansen
<dave.hansen@...ux.intel.com>, Ingo Molnar <mingo@...hat.com>, Jann Horn
<jannh@...gle.com>, Johannes Weiner <hannes@...xchg.org>, Jonathan Corbet
<corbet@....net>, "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
Lance Yang <ioworker0@...il.com>, Liam Howlett <liam.howlett@...cle.com>,
Lorenzo Stoakes <lorenzo.stoakes@...cle.com>, Matthew Wilcow
<willy@...radead.org>, Michal Koutn <mkoutny@...e.com>, Muchun Song
<muchun.song@...ux.dev>, tejun heo <tj@...nel.org>, Thomas Gleixner
<tglx@...utronix.de>, Vlastimil Babka <vbabka@...e.cz>, Zefan Li
<lizefan.x@...edance.com>, <linux-mm@...ck.org>, <oliver.sang@...el.com>
Subject: [linus:master] [mm/rmap] 6af8cb80d3: vm-scalability.throughput
7.8% regression
Hello,
kernel test robot noticed a 7.8% regression of vm-scalability.throughput on:
commit: 6af8cb80d3a9a6bbd521d8a7c949b4eafb7dba5d ("mm/rmap: basic MM owner tracking for large folios (!hugetlb)")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
testcase: vm-scalability
config: x86_64-rhel-9.4
compiler: gcc-12
test machine: 256 threads 2 sockets GENUINE INTEL(R) XEON(R) (Sierra Forest) with 128G memory
parameters:
runtime: 300s
size: 8T
test: anon-cow-seq
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 <oliver.sang@...el.com>
| Closes: https://lore.kernel.org/oe-lkp/202504152235.188dcce9-lkp@intel.com
Details are as below:
-------------------------------------------------------------------------------------------------->
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20250415/202504152235.188dcce9-lkp@intel.com
=========================================================================================
compiler/cpufreq_governor/kconfig/rootfs/runtime/size/tbox_group/test/testcase:
gcc-12/performance/x86_64-rhel-9.4/debian-12-x86_64-20240206.cgz/300s/8T/lkp-srf-2sp1/anon-cow-seq/vm-scalability
commit:
448854478a ("mm/rmap: use folio_large_nr_pages() in add/remove functions")
6af8cb80d3 ("mm/rmap: basic MM owner tracking for large folios (!hugetlb)")
448854478ab2f477 6af8cb80d3a9a6bbd521d8a7c94
---------------- ---------------------------
%stddev %change %stddev
\ | \
53400 +12.6% 60113 uptime.idle
1.457e+10 ± 3% +45.8% 2.125e+10 ± 3% cpuidle..time
9999188 ± 2% +41.4% 14142800 ± 2% cpuidle..usage
19401 ± 7% -21.8% 15176 ± 15% perf-c2c.DRAM.local
42430 ± 4% +51.6% 64345 ± 12% perf-c2c.HITM.local
52676 ± 6% +44.2% 75955 ± 11% perf-c2c.HITM.total
8.894e+08 -15.0% 7.557e+08 ± 7% numa-numastat.node0.local_node
8.895e+08 -15.0% 7.559e+08 ± 7% numa-numastat.node0.numa_hit
8.879e+08 -18.0% 7.284e+08 ± 8% numa-numastat.node1.local_node
8.88e+08 -18.0% 7.285e+08 ± 8% numa-numastat.node1.numa_hit
15.74 ± 4% +54.4% 24.31 ± 4% vmstat.cpu.id
214.36 -12.0% 188.68 vmstat.procs.r
9162 -6.0% 8609 ± 2% vmstat.system.cs
359131 -3.1% 347966 vmstat.system.in
15.07 ± 4% +8.8 23.85 ± 4% mpstat.cpu.all.idle%
0.67 -0.1 0.57 mpstat.cpu.all.irq%
0.17 ± 7% -0.0 0.14 ± 5% mpstat.cpu.all.soft%
75.25 -7.8 67.47 mpstat.cpu.all.sys%
4.42 -0.9 3.52 mpstat.cpu.all.usr%
30105953 -40.3% 17974636 ± 2% meminfo.Active
30105953 -40.3% 17974636 ± 2% meminfo.Active(anon)
28734383 -40.0% 17245061 ± 2% meminfo.AnonPages
88649090 +12.1% 99375037 meminfo.MemAvailable
89179467 +12.0% 99904712 meminfo.MemFree
42488096 -25.2% 31762847 meminfo.Memused
73422718 -16.1% 61622071 ± 5% meminfo.max_used_kB
14976533 ± 2% -40.8% 8859130 ± 2% numa-meminfo.node0.Active
14976533 ± 2% -40.8% 8859130 ± 2% numa-meminfo.node0.Active(anon)
14404444 ± 2% -40.1% 8625820 ± 2% numa-meminfo.node0.AnonPages
2961490 ± 40% -58.4% 1231139 ±129% numa-meminfo.node0.FilePages
43362532 ± 2% +16.4% 50494564 ± 3% numa-meminfo.node0.MemFree
22336223 ± 5% -31.9% 15204191 ± 11% numa-meminfo.node0.MemUsed
15156929 -39.9% 9115542 ± 3% numa-meminfo.node1.Active
15156929 -39.9% 9115542 ± 3% numa-meminfo.node1.Active(anon)
14334430 -39.9% 8615995 ± 3% numa-meminfo.node1.AnonPages
31426803 ± 4% -6.1% 29506154 ± 4% numa-meminfo.node1.AnonPages.max
20191977 ± 6% -18.0% 16564588 ± 8% numa-meminfo.node1.MemUsed
138520 -22.3% 107667 vm-scalability.median
3.14 ± 3% +6.4 9.57 ± 9% vm-scalability.median_stddev%
2.35 ± 8% +12.7 15.05 ± 7% vm-scalability.stddev%
36255698 -7.8% 33421568 vm-scalability.throughput
589253 ± 2% -36.1% 376589 ± 5% vm-scalability.time.involuntary_context_switches
1.772e+09 -16.5% 1.48e+09 vm-scalability.time.minor_page_faults
20491 -10.6% 18325 vm-scalability.time.percent_of_cpu_this_job_got
58690 -9.8% 52967 vm-scalability.time.system_time
3314 -19.5% 2668 vm-scalability.time.user_time
423126 -25.5% 315143 ± 2% vm-scalability.time.voluntary_context_switches
7.968e+09 -16.5% 6.652e+09 vm-scalability.workload
3752122 ± 2% -40.9% 2218075 ± 3% numa-vmstat.node0.nr_active_anon
3604567 ± 2% -40.1% 2157950 ± 2% numa-vmstat.node0.nr_anon_pages
740400 ± 40% -58.4% 307780 ±129% numa-vmstat.node0.nr_file_pages
10838075 ± 2% +16.4% 12619573 ± 3% numa-vmstat.node0.nr_free_pages
3751375 ± 2% -40.9% 2217819 ± 3% numa-vmstat.node0.nr_zone_active_anon
8.895e+08 -15.0% 7.559e+08 ± 7% numa-vmstat.node0.numa_hit
8.894e+08 -15.0% 7.557e+08 ± 7% numa-vmstat.node0.numa_local
3814298 -40.7% 2260493 ± 2% numa-vmstat.node1.nr_active_anon
3602611 -40.7% 2135607 ± 2% numa-vmstat.node1.nr_anon_pages
3813553 -40.7% 2260182 ± 2% numa-vmstat.node1.nr_zone_active_anon
8.88e+08 -18.0% 7.285e+08 ± 8% numa-vmstat.node1.numa_hit
8.879e+08 -18.0% 7.284e+08 ± 8% numa-vmstat.node1.numa_local
29828859 ± 10% -25.9% 22114899 ± 12% sched_debug.cfs_rq:/.avg_vruntime.avg
31729867 ± 10% -23.1% 24394442 ± 12% sched_debug.cfs_rq:/.avg_vruntime.max
27439158 ± 11% -30.2% 19146267 ± 13% sched_debug.cfs_rq:/.avg_vruntime.min
1805955 ± 23% -31.8% 1231121 ± 22% sched_debug.cfs_rq:/.left_deadline.stddev
1805948 ± 23% -31.8% 1231114 ± 22% sched_debug.cfs_rq:/.left_vruntime.stddev
29828862 ± 10% -25.9% 22114901 ± 12% sched_debug.cfs_rq:/.min_vruntime.avg
31729867 ± 10% -23.1% 24394442 ± 12% sched_debug.cfs_rq:/.min_vruntime.max
27439158 ± 11% -30.2% 19146267 ± 13% sched_debug.cfs_rq:/.min_vruntime.min
1805948 ± 23% -31.8% 1231116 ± 22% sched_debug.cfs_rq:/.right_vruntime.stddev
468.50 ± 5% -25.1% 351.00 ± 24% sched_debug.cfs_rq:/.util_est.avg
1538 ± 7% -27.1% 1121 ± 7% sched_debug.cfs_rq:/.util_est.max
291424 ± 4% -4.1% 279460 ± 4% sched_debug.cpu.clock_task.min
1210 ± 2% +12.2% 1357 ± 3% sched_debug.cpu.clock_task.stddev
24329 ± 7% -13.3% 21085 ± 6% sched_debug.cpu.curr->pid.max
5671 ± 7% -11.3% 5028 ± 10% sched_debug.cpu.nr_switches.avg
31944 ± 6% +25.3% 40025 ± 17% sched_debug.cpu.nr_switches.max
3279 ± 8% -18.3% 2678 ± 8% sched_debug.cpu.nr_switches.min
3073 ± 9% +29.1% 3967 ± 15% sched_debug.cpu.nr_switches.stddev
7540874 -40.6% 4480163 ± 2% proc-vmstat.nr_active_anon
7192890 -40.2% 4298978 ± 2% proc-vmstat.nr_anon_pages
2209141 +12.2% 2479543 proc-vmstat.nr_dirty_background_threshold
4423684 +12.2% 4965150 proc-vmstat.nr_dirty_threshold
22285247 +12.1% 24987745 proc-vmstat.nr_free_pages
45347 -1.1% 44832 proc-vmstat.nr_kernel_stack
34897 -8.5% 31928 proc-vmstat.nr_page_table_pages
7540867 -40.6% 4480162 ± 2% proc-vmstat.nr_zone_active_anon
144536 ± 6% +40.8% 203521 ± 9% proc-vmstat.numa_hint_faults_local
1.778e+09 -16.5% 1.484e+09 proc-vmstat.numa_hit
1475274 +57.2% 2319414 ± 2% proc-vmstat.numa_huge_pte_updates
1.777e+09 -16.5% 1.484e+09 proc-vmstat.numa_local
267417 -0.9% 264919 proc-vmstat.numa_other
1726476 ± 4% +182.5% 4877430 ± 3% proc-vmstat.numa_pages_migrated
7.943e+08 +51.1% 1.2e+09 ± 2% proc-vmstat.numa_pte_updates
1.793e+09 -16.2% 1.503e+09 proc-vmstat.pgalloc_normal
1.774e+09 -16.5% 1.481e+09 proc-vmstat.pgfault
1.793e+09 -16.2% 1.502e+09 proc-vmstat.pgfree
7187712 +18.2% 8494165 ± 2% proc-vmstat.pgmigrate_fail
1726476 ± 4% +182.5% 4877430 ± 3% proc-vmstat.pgmigrate_success
180904 -10.4% 162040 proc-vmstat.pgreuse
13401 -16.5% 11190 proc-vmstat.thp_fault_alloc
14046 +18.2% 16598 ± 2% proc-vmstat.thp_migration_fail
3199 ± 4% +193.0% 9375 ± 4% proc-vmstat.thp_migration_success
3430623 -16.5% 2864565 proc-vmstat.thp_split_pmd
8447 +16.5% 9841 proc-vmstat.unevictable_pgs_culled
3.45 +12.3% 3.87 perf-stat.i.MPKI
3.587e+10 -20.3% 2.859e+10 perf-stat.i.branch-instructions
0.06 +0.0 0.10 ± 6% perf-stat.i.branch-miss-rate%
16449735 +19.0% 19582727 perf-stat.i.branch-misses
54.86 +2.2 57.09 perf-stat.i.cache-miss-rate%
4.407e+08 -11.2% 3.915e+08 perf-stat.i.cache-misses
8.022e+08 -14.3% 6.875e+08 perf-stat.i.cache-references
9138 -4.7% 8709 ± 2% perf-stat.i.context-switches
4.31 +45.0% 6.25 ± 6% perf-stat.i.cpi
5.52e+11 -9.4% 5e+11 perf-stat.i.cpu-cycles
803.00 -9.9% 723.58 perf-stat.i.cpu-migrations
1255 +28.5% 1612 ± 6% perf-stat.i.cycles-between-cache-misses
1.278e+11 -20.4% 1.017e+11 perf-stat.i.instructions
0.24 -8.5% 0.22 perf-stat.i.ipc
45.69 -16.2% 38.30 perf-stat.i.metric.K/sec
5871870 -18.2% 4801162 perf-stat.i.minor-faults
5871868 -18.2% 4801161 perf-stat.i.page-faults
3.45 +11.8% 3.86 perf-stat.overall.MPKI
0.04 +0.0 0.07 perf-stat.overall.branch-miss-rate%
54.96 +2.0 56.96 perf-stat.overall.cache-miss-rate%
4.32 +12.5% 4.86 perf-stat.overall.cpi
0.23 -11.1% 0.21 perf-stat.overall.ipc
4825 -3.0% 4679 perf-stat.overall.path-length
3.562e+10 -19.1% 2.882e+10 perf-stat.ps.branch-instructions
15804911 +21.0% 19125930 perf-stat.ps.branch-misses
4.379e+08 -9.8% 3.95e+08 perf-stat.ps.cache-misses
7.968e+08 -13.0% 6.935e+08 perf-stat.ps.cache-references
9012 -5.3% 8538 ± 2% perf-stat.ps.context-switches
5.481e+11 -9.2% 4.975e+11 perf-stat.ps.cpu-cycles
793.13 -10.7% 708.06 perf-stat.ps.cpu-migrations
1.269e+11 -19.3% 1.024e+11 perf-stat.ps.instructions
5836046 -16.8% 4855858 perf-stat.ps.minor-faults
5836046 -16.8% 4855859 perf-stat.ps.page-faults
3.845e+13 -19.0% 3.113e+13 perf-stat.total.instructions
42.65 ±218% -99.7% 0.11 ±191% perf-sched.sch_delay.avg.ms.__cond_resched.__alloc_frozen_pages_noprof.alloc_pages_mpol.alloc_pages_noprof.__pmd_alloc
0.48 ±146% -99.8% 0.00 ±223% perf-sched.sch_delay.avg.ms.__cond_resched.__kmalloc_cache_noprof.single_open.single_open_size.do_dentry_open
2.29 ± 24% -60.6% 0.90 ± 36% perf-sched.sch_delay.avg.ms.__cond_resched.__split_huge_pmd.do_huge_pmd_wp_page.__handle_mm_fault.handle_mm_fault
0.25 ± 89% -93.4% 0.02 ± 59% perf-sched.sch_delay.avg.ms.__cond_resched.down_write_killable.exec_mmap.begin_new_exec.load_elf_binary
4.09 ± 79% -92.4% 0.31 ±177% perf-sched.sch_delay.avg.ms.__cond_resched.dput.__fput.__x64_sys_close.do_syscall_64
3.78 ± 97% -100.0% 0.00 perf-sched.sch_delay.avg.ms.__cond_resched.kmem_cache_alloc_noprof.alloc_pid.copy_process.kernel_clone
2.93 ± 26% -64.2% 1.05 ± 24% perf-sched.sch_delay.avg.ms.__cond_resched.wp_page_copy.__handle_mm_fault.handle_mm_fault.do_user_addr_fault
0.82 ± 26% -49.9% 0.41 ± 52% perf-sched.sch_delay.avg.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64
3.27 ± 23% +49.0% 4.87 ± 14% perf-sched.sch_delay.avg.ms.irqentry_exit_to_user_mode.asm_exc_page_fault.[unknown]
3.66 ± 22% -62.4% 1.38 ± 34% perf-sched.sch_delay.avg.ms.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt.[unknown]
0.07 ± 23% +89.3% 0.14 ± 62% perf-sched.sch_delay.avg.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
0.98 ± 10% +30.9% 1.28 ± 23% perf-sched.sch_delay.avg.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm
170.74 ±217% -99.9% 0.20 ±200% perf-sched.sch_delay.max.ms.__cond_resched.__alloc_frozen_pages_noprof.alloc_pages_mpol.alloc_pages_noprof.__pmd_alloc
0.87 ±161% -99.9% 0.00 ±223% perf-sched.sch_delay.max.ms.__cond_resched.__kmalloc_cache_noprof.single_open.single_open_size.do_dentry_open
10.33 ± 20% -51.8% 4.98 ± 36% perf-sched.sch_delay.max.ms.__cond_resched.__split_huge_pmd.do_huge_pmd_wp_page.__handle_mm_fault.handle_mm_fault
11.45 ± 47% -83.9% 1.84 ±145% perf-sched.sch_delay.max.ms.__cond_resched.change_pmd_range.isra.0.change_pud_range
1.13 ± 96% -98.2% 0.02 ± 54% perf-sched.sch_delay.max.ms.__cond_resched.down_write_killable.exec_mmap.begin_new_exec.load_elf_binary
11.78 ± 66% -95.1% 0.58 ±190% perf-sched.sch_delay.max.ms.__cond_resched.dput.__fput.__x64_sys_close.do_syscall_64
12.61 ±121% -100.0% 0.00 perf-sched.sch_delay.max.ms.__cond_resched.kmem_cache_alloc_noprof.alloc_pid.copy_process.kernel_clone
73.69 ±137% -83.0% 12.50 ± 35% perf-sched.sch_delay.max.ms.pipe_read.vfs_read.ksys_read.do_syscall_64
1.00 ±137% +1001.5% 11.02 ±162% perf-sched.sch_delay.max.ms.schedule_preempt_disabled.rwsem_down_read_slowpath.down_read.folio_lock_anon_vma_read
0.09 ± 56% +319.7% 0.37 ± 65% perf-sched.sch_delay.max.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.__put_anon_vma
9.93 ± 55% -77.0% 2.29 ±104% perf-sched.sch_delay.max.ms.wait_for_partner.fifo_open.do_dentry_open.vfs_open
13.75 ± 31% +1908.6% 276.09 ±203% perf-sched.sch_delay.max.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm
9.29 ± 13% +78.0% 16.54 ± 22% perf-sched.wait_and_delay.avg.ms.__cond_resched.__alloc_frozen_pages_noprof.alloc_pages_mpol.folio_alloc_mpol_noprof.vma_alloc_folio_noprof
818.50 ± 23% -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.__cond_resched.kmem_cache_alloc_noprof.alloc_pid.copy_process.kernel_clone
164.97 ±107% +241.3% 563.02 ± 31% perf-sched.wait_and_delay.avg.ms.__x64_sys_pause.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
7.60 ± 8% -16.3% 6.36 ± 5% perf-sched.wait_and_delay.avg.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64
9.12 ± 9% +41.1% 12.86 ± 7% perf-sched.wait_and_delay.avg.ms.irqentry_exit_to_user_mode.asm_exc_page_fault.[unknown]
830.40 ± 18% -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.pipe_write.vfs_write.ksys_write.do_syscall_64
15.56 ± 4% -17.7% 12.81 ± 8% perf-sched.wait_and_delay.avg.ms.schedule_hrtimeout_range.ep_poll.do_epoll_wait.__x64_sys_epoll_wait
1608 ± 19% -81.7% 293.67 ± 15% perf-sched.wait_and_delay.count.__cond_resched.__alloc_frozen_pages_noprof.alloc_pages_mpol.folio_alloc_mpol_noprof.vma_alloc_folio_noprof
2.50 ± 68% -100.0% 0.00 perf-sched.wait_and_delay.count.__cond_resched.kmem_cache_alloc_noprof.alloc_pid.copy_process.kernel_clone
27.67 ± 70% -84.3% 4.33 ±134% perf-sched.wait_and_delay.count.__cond_resched.refresh_cpu_vm_stats.vmstat_update.process_one_work.worker_thread
3154 ± 20% -73.3% 842.50 ± 17% perf-sched.wait_and_delay.count.__cond_resched.wp_page_copy.__handle_mm_fault.handle_mm_fault.do_user_addr_fault
586.50 ± 5% +26.4% 741.50 ± 8% perf-sched.wait_and_delay.count.devkmsg_read.vfs_read.ksys_read.do_syscall_64
426.17 ± 25% -88.3% 49.67 ±141% perf-sched.wait_and_delay.count.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt.[unknown]
3.67 ± 20% -100.0% 0.00 perf-sched.wait_and_delay.count.pipe_write.vfs_write.ksys_write.do_syscall_64
946.33 ± 12% +48.7% 1407 ± 17% perf-sched.wait_and_delay.count.schedule_hrtimeout_range.do_poll.constprop.0.do_sys_poll
611.17 ± 6% +23.9% 757.17 ± 7% perf-sched.wait_and_delay.count.schedule_hrtimeout_range.ep_poll.do_epoll_wait.__x64_sys_epoll_wait
1027 ± 3% -100.0% 0.00 perf-sched.wait_and_delay.max.ms.__cond_resched.kmem_cache_alloc_noprof.alloc_pid.copy_process.kernel_clone
1553 ± 5% -100.0% 0.00 perf-sched.wait_and_delay.max.ms.pipe_write.vfs_write.ksys_write.do_syscall_64
5.87 ± 11% +126.7% 13.30 ± 25% perf-sched.wait_time.avg.ms.__cond_resched.__alloc_frozen_pages_noprof.alloc_pages_mpol.folio_alloc_mpol_noprof.vma_alloc_folio_noprof
498.88 ± 57% -100.0% 0.00 ±223% perf-sched.wait_time.avg.ms.__cond_resched.__kmalloc_cache_noprof.single_open.single_open_size.do_dentry_open
3.55 ±169% +514.3% 21.79 ± 30% perf-sched.wait_time.avg.ms.__cond_resched.__kmalloc_noprof.inotify_handle_inode_event.send_to_group.fsnotify
4.09 ± 79% -92.4% 0.31 ±179% perf-sched.wait_time.avg.ms.__cond_resched.dput.__fput.__x64_sys_close.do_syscall_64
814.72 ± 24% -100.0% 0.00 perf-sched.wait_time.avg.ms.__cond_resched.kmem_cache_alloc_noprof.alloc_pid.copy_process.kernel_clone
0.93 ± 73% -86.9% 0.12 ±122% perf-sched.wait_time.avg.ms.__cond_resched.stop_one_cpu.sched_exec.bprm_execve.part
165.07 ±106% +240.8% 562.58 ± 31% perf-sched.wait_time.avg.ms.__x64_sys_pause.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
6.78 ± 6% -12.2% 5.95 ± 3% perf-sched.wait_time.avg.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64
5.85 ± 5% +36.7% 8.00 ± 8% perf-sched.wait_time.avg.ms.irqentry_exit_to_user_mode.asm_exc_page_fault.[unknown]
829.13 ± 19% -99.9% 0.91 ±223% perf-sched.wait_time.avg.ms.pipe_write.vfs_write.ksys_write.do_syscall_64
15.07 ± 4% -17.5% 12.43 ± 7% perf-sched.wait_time.avg.ms.schedule_hrtimeout_range.ep_poll.do_epoll_wait.__x64_sys_epoll_wait
6.88 ± 33% -51.4% 3.34 ± 38% perf-sched.wait_time.avg.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.kernel_clone
80.29 ± 10% +31.1% 105.26 ± 20% perf-sched.wait_time.max.ms.__cond_resched.__alloc_frozen_pages_noprof.alloc_pages_mpol.folio_alloc_mpol_noprof.vma_alloc_folio_noprof
830.56 ± 44% -100.0% 0.00 ±223% perf-sched.wait_time.max.ms.__cond_resched.__kmalloc_cache_noprof.single_open.single_open_size.do_dentry_open
6.25 ±188% +2184.2% 142.83 ± 55% perf-sched.wait_time.max.ms.__cond_resched.__kmalloc_noprof.inotify_handle_inode_event.send_to_group.fsnotify
11.78 ± 66% -95.1% 0.58 ±190% perf-sched.wait_time.max.ms.__cond_resched.dput.__fput.__x64_sys_close.do_syscall_64
1020 ± 2% -100.0% 0.00 perf-sched.wait_time.max.ms.__cond_resched.kmem_cache_alloc_noprof.alloc_pid.copy_process.kernel_clone
14.39 ± 57% -83.7% 2.34 ±137% perf-sched.wait_time.max.ms.__cond_resched.stop_one_cpu.sched_exec.bprm_execve.part
58.23 ± 39% +83.4% 106.83 ± 31% perf-sched.wait_time.max.ms.io_schedule.migration_entry_wait_on_locked.migration_entry_wait.do_swap_page
1553 ± 5% -99.9% 1.13 ±223% perf-sched.wait_time.max.ms.pipe_write.vfs_write.ksys_write.do_syscall_64
34.14 ± 80% +138.5% 81.42 ± 38% perf-sched.wait_time.max.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.unlink_anon_vmas
175.44 ±210% -98.7% 2.29 ±104% perf-sched.wait_time.max.ms.wait_for_partner.fifo_open.do_dentry_open.vfs_open
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
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