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Message-ID: <202501091405.a1fcb1ed-lkp@intel.com>
Date: Thu, 9 Jan 2025 14:57:58 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Kees Cook <kees@...nel.org>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>, <linux-kernel@...r.kernel.org>,
Thomas Weißschuh <linux@...ssschuh.net>, Nilay Shroff
<nilay@...ux.ibm.com>, Yury Norov <yury.norov@...il.com>, Greg Kroah-Hartman
<gregkh@...uxfoundation.org>, <linux-hardening@...r.kernel.org>,
<oliver.sang@...el.com>
Subject: [linus:master] [fortify] 239d87327d: vm-scalability.throughput
17.3% improvement
Hello,
kernel test robot noticed a 17.3% improvement of vm-scalability.throughput on:
commit: 239d87327dcd361b0098038995f8908f3296864f ("fortify: Hide run-time copy size from value range tracking")
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: 224 threads 4 sockets Intel(R) Xeon(R) Platinum 8380H CPU @ 2.90GHz (Cooper Lake) with 192G memory
parameters:
runtime: 300s
size: 256G
test: msync
cpufreq_governor: performance
Details are as below:
-------------------------------------------------------------------------------------------------->
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20250109/202501091405.a1fcb1ed-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/256G/lkp-cpl-4sp2/msync/vm-scalability
commit:
f06e108a3d ("Compiler Attributes: disable __counted_by for clang < 19.1.3")
239d87327d ("fortify: Hide run-time copy size from value range tracking")
f06e108a3dc53c0f 239d87327dcd361b0098038995f
---------------- ---------------------------
%stddev %change %stddev
\ | \
654.00 ± 13% +62.7% 1063 ± 41% perf-c2c.HITM.local
74.03 ± 49% +113.3% 157.89 ± 40% sched_debug.cfs_rq:/.removed.runnable_avg.max
74.03 ± 49% +113.3% 157.89 ± 40% sched_debug.cfs_rq:/.removed.util_avg.max
9843704 ± 12% -31.4% 6748836 ± 24% numa-meminfo.node0.Active(file)
81609 ± 13% -18.3% 66698 ± 10% numa-meminfo.node1.Writeback
3197765 ± 12% +34.7% 4307440 ± 12% numa-meminfo.node3.MemFree
0.07 ± 2% +0.0 0.07 ± 2% mpstat.cpu.all.irq%
0.05 ± 2% +0.0 0.06 mpstat.cpu.all.soft%
2.17 ± 3% +0.4 2.58 ± 3% mpstat.cpu.all.sys%
0.42 ± 3% +0.1 0.49 ± 2% mpstat.cpu.all.usr%
2462818 +24.2% 3060034 vmstat.io.bo
8.76 ± 2% +14.7% 10.06 ± 3% vmstat.procs.r
12294 +13.6% 13967 ± 4% vmstat.system.cs
40339 ± 2% +6.8% 43096 ± 4% vmstat.system.in
6203763 ± 14% +67.5% 10389382 ± 23% numa-numastat.node0.local_node
6274485 ± 14% +66.8% 10464891 ± 23% numa-numastat.node0.numa_hit
6773452 ± 13% -59.5% 2743979 ± 68% numa-numastat.node0.numa_miss
6842787 ± 12% -58.8% 2819949 ± 66% numa-numastat.node0.other_node
7434683 ± 19% +36.7% 10159657 ± 26% numa-numastat.node1.local_node
7522237 ± 19% +36.4% 10257654 ± 26% numa-numastat.node1.numa_hit
16256 ± 2% +26.1% 20495 vm-scalability.median
5.43 ± 6% -2.5 2.92 ± 26% vm-scalability.median_stddev%
9.99 ± 10% -3.0 6.95 ± 9% vm-scalability.stddev%
5678018 ± 3% +17.3% 6661631 ± 2% vm-scalability.throughput
1.573e+09 +25.0% 1.966e+09 vm-scalability.time.file_system_outputs
16615 ± 3% +27.0% 21107 vm-scalability.time.involuntary_context_switches
2.099e+08 +25.0% 2.624e+08 vm-scalability.time.minor_page_faults
561.00 +21.8% 683.33 ± 3% vm-scalability.time.percent_of_cpu_this_job_got
1358 ± 3% +23.6% 1679 ± 3% vm-scalability.time.system_time
418.15 ± 2% +19.1% 497.88 vm-scalability.time.user_time
1135302 +11.7% 1268430 vm-scalability.time.voluntary_context_switches
8.846e+08 +25.0% 1.106e+09 vm-scalability.workload
2478521 ± 12% -33.1% 1658879 ± 24% numa-vmstat.node0.nr_active_file
45774950 ± 9% +28.8% 58943198 ± 5% numa-vmstat.node0.nr_dirtied
45774950 ± 9% +28.8% 58943198 ± 5% numa-vmstat.node0.nr_written
2476252 ± 12% -33.1% 1657048 ± 24% numa-vmstat.node0.nr_zone_active_file
6274222 ± 14% +66.8% 10464563 ± 23% numa-vmstat.node0.numa_hit
6203500 ± 14% +67.5% 10389054 ± 23% numa-vmstat.node0.numa_local
6773452 ± 13% -59.5% 2743979 ± 68% numa-vmstat.node0.numa_miss
6842787 ± 12% -58.8% 2819949 ± 66% numa-vmstat.node0.numa_other
49693812 ± 8% +20.0% 59611215 ± 8% numa-vmstat.node1.nr_dirtied
49693812 ± 8% +20.0% 59611215 ± 8% numa-vmstat.node1.nr_written
7521777 ± 19% +36.4% 10257607 ± 26% numa-vmstat.node1.numa_hit
7434223 ± 19% +36.7% 10159609 ± 26% numa-vmstat.node1.numa_local
2660800 ± 8% +22.1% 3250098 ± 5% numa-vmstat.node1.workingset_activate_file
3153899 ± 8% +19.5% 3769627 ± 5% numa-vmstat.node1.workingset_refault_file
2660800 ± 8% +22.1% 3250098 ± 5% numa-vmstat.node1.workingset_restore_file
53368316 ± 9% +20.2% 64130806 ± 8% numa-vmstat.node2.nr_dirtied
53368316 ± 9% +20.2% 64130806 ± 8% numa-vmstat.node2.nr_written
7683 ± 8% -20.2% 6129 ± 4% numa-vmstat.node2.workingset_nodes
47788357 ± 10% +32.1% 63105437 ± 10% numa-vmstat.node3.nr_dirtied
803731 ± 13% +34.0% 1076708 ± 12% numa-vmstat.node3.nr_free_pages
47788357 ± 10% +32.1% 63105437 ± 10% numa-vmstat.node3.nr_written
30030 ± 15% +75.3% 52638 ± 23% proc-vmstat.allocstall_movable
27837 ± 13% +58.8% 44214 ± 22% proc-vmstat.compact_fail
45835 ± 10% +88.6% 86440 ± 23% proc-vmstat.compact_stall
17998 ± 21% +134.6% 42225 ± 25% proc-vmstat.compact_success
22633426 +1.2% 22911084 proc-vmstat.nr_active_anon
11444651 -10.8% 10211517 ± 6% proc-vmstat.nr_active_file
1.966e+08 +25.0% 2.458e+08 proc-vmstat.nr_dirtied
3658433 -2.6% 3563342 proc-vmstat.nr_dirty
9170138 +12.1% 10276853 ± 6% proc-vmstat.nr_inactive_file
22567898 +1.2% 22846647 proc-vmstat.nr_shmem
1.966e+08 +25.0% 2.458e+08 proc-vmstat.nr_written
22633454 +1.2% 22911113 proc-vmstat.nr_zone_active_anon
11444767 -10.8% 10211682 ± 6% proc-vmstat.nr_zone_active_file
9170083 +12.1% 10276805 ± 6% proc-vmstat.nr_zone_inactive_file
3740131 -2.7% 3639414 proc-vmstat.nr_zone_write_pending
22011951 ± 15% +33.7% 29430963 ± 10% proc-vmstat.pgactivate
2824 +16.2% 3280 ± 22% proc-vmstat.pgalloc_dma
2.856e+08 +19.6% 3.416e+08 ± 3% proc-vmstat.pgalloc_normal
2.112e+08 +24.9% 2.637e+08 proc-vmstat.pgfault
2.886e+08 +19.3% 3.444e+08 ± 3% proc-vmstat.pgfree
6020 ± 9% +88.5% 11348 ± 44% proc-vmstat.pgmajfault
7.865e+08 +25.0% 9.832e+08 proc-vmstat.pgpgout
124025 +16.5% 144503 proc-vmstat.pgreuse
3641011 ± 15% +48.1% 5392566 ± 14% proc-vmstat.pgsteal_direct
2499 +26.9% 3171 proc-vmstat.unevictable_pgs_culled
29425 -4.0% 28243 proc-vmstat.workingset_nodes
9.93 +6.5% 10.58 perf-stat.i.MPKI
4.61e+09 +25.7% 5.793e+09 perf-stat.i.branch-instructions
0.32 ± 3% -0.0 0.29 perf-stat.i.branch-miss-rate%
12693622 +13.8% 14449439 perf-stat.i.branch-misses
83.47 +2.3 85.75 perf-stat.i.cache-miss-rate%
1.591e+08 +39.5% 2.221e+08 perf-stat.i.cache-misses
1.891e+08 +36.6% 2.584e+08 perf-stat.i.cache-references
12325 +13.6% 13999 ± 4% perf-stat.i.context-switches
1.28 -11.7% 1.13 ± 2% perf-stat.i.cpi
2.864e+10 +18.9% 3.405e+10 ± 2% perf-stat.i.cpu-cycles
343.31 +5.4% 361.81 perf-stat.i.cpu-migrations
141.92 -15.8% 119.51 perf-stat.i.cycles-between-cache-misses
1.792e+10 +29.5% 2.32e+10 perf-stat.i.instructions
1.01 +13.0% 1.14 perf-stat.i.ipc
5.54 +24.5% 6.90 perf-stat.i.metric.K/sec
624456 +24.6% 778107 perf-stat.i.minor-faults
624469 +24.6% 778135 perf-stat.i.page-faults
8.90 +7.8% 9.59 perf-stat.overall.MPKI
0.28 -0.0 0.25 perf-stat.overall.branch-miss-rate%
84.14 +1.8 85.91 perf-stat.overall.cache-miss-rate%
1.62 -8.3% 1.49 ± 2% perf-stat.overall.cpi
182.46 -14.9% 155.29 ± 2% perf-stat.overall.cycles-between-cache-misses
0.62 +9.0% 0.67 ± 2% perf-stat.overall.ipc
6475 +3.7% 6715 perf-stat.overall.path-length
4.639e+09 +25.0% 5.8e+09 perf-stat.ps.branch-instructions
12777070 +13.1% 14448212 perf-stat.ps.branch-misses
1.605e+08 +38.8% 2.229e+08 perf-stat.ps.cache-misses
1.908e+08 +36.0% 2.594e+08 perf-stat.ps.cache-references
12289 +13.6% 13955 ± 4% perf-stat.ps.context-switches
2.929e+10 +18.2% 3.461e+10 ± 2% perf-stat.ps.cpu-cycles
344.20 +5.3% 362.39 perf-stat.ps.cpu-migrations
1.805e+10 +28.8% 2.324e+10 perf-stat.ps.instructions
626335 +24.0% 776865 perf-stat.ps.minor-faults
626348 +24.0% 776893 perf-stat.ps.page-faults
5.728e+12 +29.6% 7.425e+12 perf-stat.total.instructions
34.75 ± 2% -17.3 17.48 ± 87% perf-profile.calltrace.cycles-pp.read_pages.page_cache_ra_order.filemap_fault.__do_fault.do_read_fault
34.74 ± 2% -16.4 18.29 ± 79% perf-profile.calltrace.cycles-pp.iomap_readahead.read_pages.page_cache_ra_order.filemap_fault.__do_fault
34.68 ± 2% -16.4 18.25 ± 79% perf-profile.calltrace.cycles-pp.iomap_readpage_iter.iomap_readahead.read_pages.page_cache_ra_order.filemap_fault
34.48 ± 2% -16.4 18.07 ± 80% perf-profile.calltrace.cycles-pp.zero_user_segments.iomap_readpage_iter.iomap_readahead.read_pages.page_cache_ra_order
34.28 ± 2% -16.3 17.97 ± 80% perf-profile.calltrace.cycles-pp.memset_orig.zero_user_segments.iomap_readpage_iter.iomap_readahead.read_pages
7.38 ± 7% +1.8 9.17 ± 13% perf-profile.calltrace.cycles-pp.asm_exc_page_fault.do_access
0.00 +6.5 6.54 ± 66% perf-profile.calltrace.cycles-pp.memcpy_orig.copy_page_from_iter_atomic.generic_perform_write.shmem_file_write_iter.do_iter_readv_writev
34.90 ± 2% -16.5 18.41 ± 79% perf-profile.children.cycles-pp.read_pages
34.89 ± 2% -16.5 18.41 ± 79% perf-profile.children.cycles-pp.iomap_readahead
34.83 ± 2% -16.5 18.36 ± 79% perf-profile.children.cycles-pp.iomap_readpage_iter
34.62 ± 2% -16.4 18.18 ± 80% perf-profile.children.cycles-pp.zero_user_segments
34.57 ± 2% -16.4 18.15 ± 80% perf-profile.children.cycles-pp.memset_orig
0.33 ± 7% -0.2 0.16 ± 87% perf-profile.children.cycles-pp.prep_compound_page
0.24 ± 18% -0.1 0.10 ± 83% perf-profile.children.cycles-pp.page_counter_try_charge
0.25 ± 8% -0.1 0.19 ± 16% perf-profile.children.cycles-pp.__mod_node_page_state
0.08 ± 13% -0.0 0.05 ± 47% perf-profile.children.cycles-pp.__mod_lruvec_state
0.08 ± 5% +0.0 0.10 ± 8% perf-profile.children.cycles-pp.___perf_sw_event
0.03 ±123% +0.1 0.10 ± 33% perf-profile.children.cycles-pp.on_each_cpu_cond_mask
0.03 ±123% +0.1 0.10 ± 33% perf-profile.children.cycles-pp.smp_call_function_many_cond
0.02 ±123% +0.1 0.10 ± 45% perf-profile.children.cycles-pp.up_write
0.07 ± 22% +0.1 0.19 ± 56% perf-profile.children.cycles-pp.free_tail_page_prepare
0.20 ± 19% +0.4 0.58 ± 61% perf-profile.children.cycles-pp.shmem_get_folio_gfp
0.20 ± 18% +0.4 0.61 ± 61% perf-profile.children.cycles-pp.shmem_write_begin
0.24 ± 20% +0.5 0.73 ± 60% perf-profile.children.cycles-pp.flush_tlb_mm_range
0.07 ± 12% +0.6 0.62 ± 63% perf-profile.children.cycles-pp.folio_unlock
0.29 ± 18% +0.6 0.85 ± 60% perf-profile.children.cycles-pp.ptep_clear_flush
0.04 ± 83% +0.6 0.64 ± 65% perf-profile.children.cycles-pp.shmem_write_end
0.33 ± 27% +0.8 1.12 ± 65% perf-profile.children.cycles-pp.page_vma_mkclean_one
0.33 ± 27% +0.8 1.12 ± 64% perf-profile.children.cycles-pp.page_mkclean_one
0.53 ± 2% +0.8 1.33 ± 57% perf-profile.children.cycles-pp.rmap_walk_file
0.35 ± 28% +0.8 1.18 ± 65% perf-profile.children.cycles-pp.folio_mkclean
0.00 +6.6 6.58 ± 66% perf-profile.children.cycles-pp.memcpy_orig
34.07 ± 2% -16.2 17.90 ± 80% perf-profile.self.cycles-pp.memset_orig
2.63 ± 19% -2.6 0.05 ±101% perf-profile.self.cycles-pp.copy_page_from_iter_atomic
0.25 ± 3% -0.1 0.12 ± 83% perf-profile.self.cycles-pp.folio_alloc_noprof
0.19 ± 14% -0.1 0.08 ± 80% perf-profile.self.cycles-pp.page_counter_try_charge
0.25 ± 9% -0.1 0.18 ± 17% perf-profile.self.cycles-pp.__mod_node_page_state
0.06 ± 7% +0.0 0.09 ± 17% perf-profile.self.cycles-pp.xfs_buffered_write_iomap_begin
0.00 +0.1 0.08 ± 29% perf-profile.self.cycles-pp.__cond_resched
1.94 ± 8% +0.5 2.47 ± 16% perf-profile.self.cycles-pp.do_access
0.07 ± 12% +0.5 0.62 ± 64% perf-profile.self.cycles-pp.folio_unlock
0.00 +6.5 6.50 ± 66% perf-profile.self.cycles-pp.memcpy_orig
0.00 ±200% +483.3% 0.01 ± 11% perf-sched.sch_delay.avg.ms.__cond_resched.__alloc_pages_noprof.alloc_pages_mpol_noprof.folio_alloc_noprof.page_cache_ra_order
0.02 ± 51% +269.3% 0.06 ± 44% perf-sched.sch_delay.avg.ms.__cond_resched.__wait_for_common.affine_move_task.__set_cpus_allowed_ptr.__sched_setaffinity
0.01 ±121% +788.9% 0.09 ± 51% perf-sched.sch_delay.avg.ms.__cond_resched.shmem_get_folio_gfp.shmem_write_begin.generic_perform_write.shmem_file_write_iter
0.00 ±200% +566.7% 0.01 ± 14% perf-sched.sch_delay.avg.ms.__cond_resched.shrink_folio_list.evict_folios.try_to_shrink_lruvec.shrink_one
0.01 ± 17% +174.5% 0.02 ± 76% perf-sched.sch_delay.avg.ms.__cond_resched.writeback_get_folio.writeback_iter.iomap_writepages.xfs_vm_writepages
0.01 +20.0% 0.01 perf-sched.sch_delay.avg.ms.do_wait.kernel_wait4.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.01 ± 17% -69.3% 0.00 ± 20% perf-sched.sch_delay.avg.ms.pipe_read.vfs_read.ksys_read.do_syscall_64
0.01 ± 9% +1197.6% 0.09 ±128% perf-sched.sch_delay.avg.ms.schedule_hrtimeout_range_clock.do_poll.constprop.0.do_sys_poll
0.04 ± 25% -40.3% 0.02 ± 30% perf-sched.sch_delay.avg.ms.schedule_timeout.__wait_for_common.__flush_workqueue.xlog_cil_push_now.isra
0.01 ± 6% -100.0% 0.00 perf-sched.sch_delay.avg.ms.schedule_timeout.io_schedule_timeout.__wait_for_common.submit_bio_wait
0.08 ± 68% +450.4% 0.45 ± 22% perf-sched.sch_delay.avg.ms.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
0.15 ± 34% +78.2% 0.26 ± 22% perf-sched.sch_delay.avg.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm
0.00 ± 50% -100.0% 0.00 perf-sched.sch_delay.avg.ms.xlog_force_lsn.xfs_log_force_seq.xfs_file_fsync.__do_sys_msync
0.01 ± 5% -100.0% 0.00 perf-sched.sch_delay.avg.ms.xlog_wait_on_iclog.xfs_file_fsync.__do_sys_msync.do_syscall_64
0.00 ±200% +636.1% 0.01 ± 17% perf-sched.sch_delay.max.ms.__cond_resched.__alloc_pages_noprof.alloc_pages_mpol_noprof.folio_alloc_noprof.page_cache_ra_order
6.00 ± 95% +186.8% 17.22 ± 16% perf-sched.sch_delay.max.ms.__cond_resched.__wait_for_common.affine_move_task.__set_cpus_allowed_ptr.__sched_setaffinity
0.03 ±162% +320.5% 0.13 ± 48% perf-sched.sch_delay.max.ms.__cond_resched.shmem_get_folio_gfp.shmem_write_begin.generic_perform_write.shmem_file_write_iter
0.00 ±200% +876.2% 0.01 ± 21% perf-sched.sch_delay.max.ms.__cond_resched.shrink_folio_list.evict_folios.try_to_shrink_lruvec.shrink_one
0.01 ± 52% +221.1% 0.02 ± 59% perf-sched.sch_delay.max.ms.__cond_resched.xfs_write_fault.do_page_mkwrite.do_shared_fault.do_pte_missing
0.12 ±153% -92.3% 0.01 ± 21% perf-sched.sch_delay.max.ms.__cond_resched.zap_pmd_range.isra.0.unmap_page_range
0.35 ±155% +263.8% 1.28 ± 44% perf-sched.sch_delay.max.ms.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt.[unknown]
2.22 ± 44% -50.9% 1.09 ± 23% perf-sched.sch_delay.max.ms.pipe_read.vfs_read.ksys_read.do_syscall_64
0.32 ± 25% -65.3% 0.11 ± 12% perf-sched.sch_delay.max.ms.schedule_timeout.__wait_for_common.__flush_workqueue.xlog_cil_push_now.isra
0.01 ± 10% +105.6% 0.01 ± 61% perf-sched.sch_delay.max.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.kernel_clone
0.02 ± 62% -100.0% 0.00 perf-sched.sch_delay.max.ms.schedule_timeout.io_schedule_timeout.__wait_for_common.submit_bio_wait
0.01 ± 35% +140.7% 0.03 ± 25% perf-sched.sch_delay.max.ms.schedule_timeout.kswapd_try_to_sleep.kswapd.kthread
5.35 ± 13% +120.5% 11.80 ± 30% perf-sched.sch_delay.max.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
0.01 ± 27% +105.6% 0.01 ± 29% perf-sched.sch_delay.max.ms.wait_for_partner.fifo_open.do_dentry_open.vfs_open
0.04 ±144% -100.0% 0.00 perf-sched.sch_delay.max.ms.xlog_force_lsn.xfs_log_force_seq.xfs_file_fsync.__do_sys_msync
0.02 ± 49% -100.0% 0.00 perf-sched.sch_delay.max.ms.xlog_wait_on_iclog.xfs_file_fsync.__do_sys_msync.do_syscall_64
34409 ± 4% +31.4% 45208 ± 19% perf-sched.total_wait_and_delay.count.ms
1.05 ± 66% -97.2% 0.03 ± 59% perf-sched.wait_and_delay.avg.ms.__cond_resched.loop_process_work.process_one_work.worker_thread.kthread
533.92 ±140% -97.3% 14.58 ±223% perf-sched.wait_and_delay.avg.ms.__cond_resched.ww_mutex_lock.drm_gem_vunmap_unlocked.drm_gem_fb_vunmap.drm_atomic_helper_commit_planes
13.99 ± 14% -100.0% 0.00 perf-sched.wait_and_delay.avg.ms.do_task_dead.do_exit.do_group_exit.__x64_sys_exit_group.x64_sys_call
4.37 ± 61% -80.6% 0.85 ± 49% perf-sched.wait_and_delay.avg.ms.io_schedule.folio_wait_bit_common.folio_wait_writeback.__filemap_fdatawait_range
26.95 ± 25% -40.1% 16.14 ± 44% perf-sched.wait_and_delay.avg.ms.io_schedule.rq_qos_wait.wbt_wait.__rq_qos_throttle
128.59 ± 17% +229.1% 423.13 ± 16% perf-sched.wait_and_delay.avg.ms.schedule_hrtimeout_range_clock.do_poll.constprop.0.do_sys_poll
40.40 ± 6% +8.7% 43.93 perf-sched.wait_and_delay.avg.ms.schedule_timeout.io_schedule_timeout.balance_dirty_pages.balance_dirty_pages_ratelimited_flags
70.57 ±130% +604.7% 497.32 ± 31% perf-sched.wait_and_delay.avg.ms.xlog_wait_on_iclog.xlog_cil_push_work.process_one_work.worker_thread
328.60 ± 12% -100.0% 0.00 perf-sched.wait_and_delay.count.do_task_dead.do_exit.do_group_exit.__x64_sys_exit_group.x64_sys_call
10179 ± 15% -97.7% 237.17 ± 45% perf-sched.wait_and_delay.count.io_schedule.rq_qos_wait.wbt_wait.__rq_qos_throttle
4488 +9.4% 4911 perf-sched.wait_and_delay.count.pipe_read.vfs_read.ksys_read.do_syscall_64
214.60 ± 24% -70.4% 63.50 ± 8% perf-sched.wait_and_delay.count.schedule_hrtimeout_range_clock.do_poll.constprop.0.do_sys_poll
2937 ± 65% +699.5% 23480 perf-sched.wait_and_delay.count.schedule_timeout.io_schedule_timeout.balance_dirty_pages.balance_dirty_pages_ratelimited_flags
803.09 ± 73% -99.6% 3.53 ±183% perf-sched.wait_and_delay.max.ms.__cond_resched.loop_process_work.process_one_work.worker_thread.kthread
533.92 ±140% -97.3% 14.58 ±223% perf-sched.wait_and_delay.max.ms.__cond_resched.ww_mutex_lock.drm_gem_vunmap_unlocked.drm_gem_fb_vunmap.drm_atomic_helper_commit_planes
462.45 ± 20% -100.0% 0.00 perf-sched.wait_and_delay.max.ms.do_task_dead.do_exit.do_group_exit.__x64_sys_exit_group.x64_sys_call
49.56 ± 39% -57.7% 20.98 ± 47% perf-sched.wait_and_delay.max.ms.io_schedule.folio_wait_bit_common.folio_wait_writeback.__filemap_fdatawait_range
110.68 ± 24% -65.4% 38.31 ± 44% perf-sched.wait_and_delay.max.ms.io_schedule.rq_qos_wait.wbt_wait.__rq_qos_throttle
49.88 ± 7% +167.8% 133.58 ± 54% perf-sched.wait_and_delay.max.ms.schedule_timeout.io_schedule_timeout.balance_dirty_pages.balance_dirty_pages_ratelimited_flags
261.23 ±122% +620.9% 1883 ± 41% perf-sched.wait_and_delay.max.ms.xlog_wait_on_iclog.xlog_cil_push_work.process_one_work.worker_thread
16.91 ±122% +139.9% 40.56 ± 31% perf-sched.wait_time.avg.ms.__cond_resched.down_write.xfs_ilock_for_iomap.xfs_buffered_write_iomap_begin.iomap_iter
14.02 ± 65% -94.3% 0.80 ±200% perf-sched.wait_time.avg.ms.__cond_resched.generic_perform_write.shmem_file_write_iter.do_iter_readv_writev.vfs_iter_write
1.04 ± 67% -98.2% 0.02 ± 34% perf-sched.wait_time.avg.ms.__cond_resched.loop_process_work.process_one_work.worker_thread.kthread
17.79 ±200% +1124.8% 217.93 ± 42% perf-sched.wait_time.avg.ms.__cond_resched.shrink_folio_list.evict_folios.try_to_shrink_lruvec.shrink_one
27.14 ± 32% -38.6% 16.67 ± 9% perf-sched.wait_time.avg.ms.__cond_resched.writeback_get_folio.writeback_iter.iomap_writepages.xfs_vm_writepages
531.34 ±141% -94.0% 31.76 ±108% perf-sched.wait_time.avg.ms.__cond_resched.ww_mutex_lock.drm_gem_vunmap_unlocked.drm_gem_fb_vunmap.drm_atomic_helper_commit_planes
23.22 ± 49% -78.0% 5.10 ±107% perf-sched.wait_time.avg.ms.__cond_resched.zap_pmd_range.isra.0.unmap_page_range
13.99 ± 14% +72.1% 24.08 ± 4% perf-sched.wait_time.avg.ms.do_task_dead.do_exit.do_group_exit.__x64_sys_exit_group.x64_sys_call
0.40 +15.0% 0.46 ± 4% perf-sched.wait_time.avg.ms.do_wait.kernel_wait4.do_syscall_64.entry_SYSCALL_64_after_hwframe
4.36 ± 62% -72.2% 1.21 ± 39% perf-sched.wait_time.avg.ms.io_schedule.folio_wait_bit_common.folio_wait_writeback.__filemap_fdatawait_range
26.94 ± 25% -28.1% 19.37 ± 3% perf-sched.wait_time.avg.ms.io_schedule.rq_qos_wait.wbt_wait.__rq_qos_throttle
4.12 ± 2% -25.7% 3.06 ± 13% perf-sched.wait_time.avg.ms.rcu_gp_kthread.kthread.ret_from_fork.ret_from_fork_asm
128.58 ± 17% +229.0% 423.04 ± 16% perf-sched.wait_time.avg.ms.schedule_hrtimeout_range_clock.do_poll.constprop.0.do_sys_poll
14.18 ± 30% -71.0% 4.12 ± 57% perf-sched.wait_time.avg.ms.schedule_timeout.__wait_for_common.__flush_workqueue.xlog_cil_push_now.isra
16.09 ± 62% -100.0% 0.00 perf-sched.wait_time.avg.ms.schedule_timeout.io_schedule_timeout.__wait_for_common.submit_bio_wait
40.15 ± 7% +9.3% 43.90 perf-sched.wait_time.avg.ms.schedule_timeout.io_schedule_timeout.balance_dirty_pages.balance_dirty_pages_ratelimited_flags
53.98 ± 17% +554.9% 353.50 ± 25% perf-sched.wait_time.avg.ms.sigsuspend.__x64_sys_rt_sigsuspend.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.09 ±127% -100.0% 0.00 perf-sched.wait_time.avg.ms.xlog_force_lsn.xfs_log_force_seq.xfs_file_fsync.__do_sys_msync
36.56 ± 50% -100.0% 0.00 perf-sched.wait_time.avg.ms.xlog_wait_on_iclog.xfs_file_fsync.__do_sys_msync.do_syscall_64
79.98 ±107% +521.8% 497.31 ± 31% perf-sched.wait_time.avg.ms.xlog_wait_on_iclog.xlog_cil_push_work.process_one_work.worker_thread
35.31 ± 50% +40.6% 49.65 ± 10% perf-sched.wait_time.max.ms.__cond_resched.__kmalloc_noprof.ifs_alloc.isra.0
16.91 ±122% +185.9% 48.33 ± 7% perf-sched.wait_time.max.ms.__cond_resched.down_write.xfs_ilock_for_iomap.xfs_buffered_write_iomap_begin.iomap_iter
560.10 ± 61% -94.7% 29.57 ±221% perf-sched.wait_time.max.ms.__cond_resched.generic_perform_write.shmem_file_write_iter.do_iter_readv_writev.vfs_iter_write
803.06 ± 73% -99.8% 1.82 ±176% perf-sched.wait_time.max.ms.__cond_resched.loop_process_work.process_one_work.worker_thread.kthread
35.27 ± 38% -56.9% 15.19 ± 62% perf-sched.wait_time.max.ms.__cond_resched.rmap_walk_file.folio_mkclean.folio_clear_dirty_for_io.writeback_get_folio
17.79 ±200% +1874.3% 351.31 ± 41% perf-sched.wait_time.max.ms.__cond_resched.shrink_folio_list.evict_folios.try_to_shrink_lruvec.shrink_one
53.77 ± 20% -45.7% 29.19 ± 32% perf-sched.wait_time.max.ms.__cond_resched.writeback_get_folio.writeback_iter.iomap_writepages.xfs_vm_writepages
531.34 ±141% -93.9% 32.25 ±107% perf-sched.wait_time.max.ms.__cond_resched.ww_mutex_lock.drm_gem_vunmap_unlocked.drm_gem_fb_vunmap.drm_atomic_helper_commit_planes
36.60 ± 50% +51.7% 55.51 ± 9% perf-sched.wait_time.max.ms.__cond_resched.xfs_write_fault.do_page_mkwrite.do_shared_fault.do_pte_missing
27.41 +19.5% 32.74 ± 5% perf-sched.wait_time.max.ms.do_wait.kernel_wait4.do_syscall_64.entry_SYSCALL_64_after_hwframe
49.56 ± 39% -49.0% 25.26 ± 12% perf-sched.wait_time.max.ms.io_schedule.folio_wait_bit_common.folio_wait_writeback.__filemap_fdatawait_range
110.67 ± 24% -59.0% 45.33 ± 2% perf-sched.wait_time.max.ms.io_schedule.rq_qos_wait.wbt_wait.__rq_qos_throttle
39.78 ± 33% +428.9% 210.38 ±167% perf-sched.wait_time.max.ms.irqentry_exit_to_user_mode.asm_exc_page_fault.[unknown]
2.53 ± 3% +9.8% 2.78 ± 4% perf-sched.wait_time.max.ms.schedule_timeout.__wait_for_common.wait_for_completion_state.kernel_clone
41.46 ± 63% -100.0% 0.00 perf-sched.wait_time.max.ms.schedule_timeout.io_schedule_timeout.__wait_for_common.submit_bio_wait
49.87 ± 7% +167.8% 133.58 ± 54% perf-sched.wait_time.max.ms.schedule_timeout.io_schedule_timeout.balance_dirty_pages.balance_dirty_pages_ratelimited_flags
5.77 ±175% -100.0% 0.00 perf-sched.wait_time.max.ms.xlog_force_lsn.xfs_log_force_seq.xfs_file_fsync.__do_sys_msync
92.08 ± 21% -100.0% 0.00 perf-sched.wait_time.max.ms.xlog_wait_on_iclog.xfs_file_fsync.__do_sys_msync.do_syscall_64
290.66 ±102% +547.9% 1883 ± 41% perf-sched.wait_time.max.ms.xlog_wait_on_iclog.xlog_cil_push_work.process_one_work.worker_thread
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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