| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <202406031516.a1956bdc-oliver.sang@intel.com>
Date: Mon, 3 Jun 2024 15:27:58 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Zhang Qiao <zhangqiao22@...wei.com>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>, <linux-kernel@...r.kernel.org>,
<ying.huang@...el.com>, <feng.tang@...el.com>, <fengwei.yin@...el.com>,
<aubrey.li@...ux.intel.com>, <yu.c.chen@...el.com>, <mingo@...hat.com>,
<peterz@...radead.org>, <juri.lelli@...hat.com>,
<vincent.guittot@...aro.org>, <dietmar.eggemann@....com>,
<rostedt@...dmis.org>, <bsegall@...gle.com>, <mgorman@...e.de>,
<bristot@...hat.com>, <vschneid@...hat.com>, <zhangqiao22@...wei.com>,
<oliver.sang@...el.com>
Subject: Re: [PATCH] sched/numa: Correct NUMA imbalance calculation
Hello,
kernel test robot noticed a -40.4% regression of unixbench.throughput on:
commit: 6efc66e7c7874a28529068c203fdb7c1be61036a ("[PATCH] sched/numa: Correct NUMA imbalance calculation")
url: https://github.com/intel-lab-lkp/linux/commits/Zhang-Qiao/sched-numa-Correct-NUMA-imbalance-calculation/20240524-120507
base: https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git 97450eb909658573dcacc1063b06d3d08642c0c1
patch link: https://lore.kernel.org/all/20240524035438.2701479-1-zhangqiao22@huawei.com/
patch subject: [PATCH] sched/numa: Correct NUMA imbalance calculation
testcase: unixbench
test machine: 224 threads 2 sockets Intel(R) Xeon(R) Platinum 8480CTDX (Sapphire Rapids) with 512G memory
parameters:
runtime: 300s
nr_task: 100%
test: fsdisk-w
cpufreq_governor: performance
In addition to that, the commit also has significant impact on the following tests:
+------------------+----------------------------------------------------------------------------------------------------+
| testcase: change | unixbench: unixbench.throughput -6.8% regression |
| test machine | 224 threads 2 sockets Intel(R) Xeon(R) Platinum 8480CTDX (Sapphire Rapids) with 256G memory |
| test parameters | cpufreq_governor=performance |
| | nr_task=100% |
| | runtime=300s |
| | test=fstime |
+------------------+----------------------------------------------------------------------------------------------------+
| testcase: change | unixbench: unixbench.throughput -26.7% regression |
| test machine | 224 threads 4 sockets Intel(R) Xeon(R) Platinum 8380H CPU @ 2.90GHz (Cooper Lake) with 192G memory |
| test parameters | cpufreq_governor=performance |
| | nr_task=100% |
| | runtime=300s |
| | test=fsdisk-w |
+------------------+----------------------------------------------------------------------------------------------------+
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/202406031516.a1956bdc-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/20240603/202406031516.a1956bdc-oliver.sang@intel.com
=========================================================================================
compiler/cpufreq_governor/kconfig/nr_task/rootfs/runtime/tbox_group/test/testcase:
gcc-13/performance/x86_64-rhel-8.3/100%/debian-12-x86_64-20240206.cgz/300s/lkp-spr-2sp4/fsdisk-w/unixbench
commit:
97450eb909 ("sched/pelt: Remove shift of thermal clock")
6efc66e7c7 ("sched/numa: Correct NUMA imbalance calculation")
97450eb909658573 6efc66e7c7874a28529068c203f
---------------- ---------------------------
%stddev %change %stddev
\ | \
3120812 ± 38% -25.8% 2315045 ± 2% numa-meminfo.node1.MemUsed
58215 ± 82% +136.7% 137820 ± 40% numa-numastat.node1.other_node
58215 ± 82% +136.7% 137820 ± 40% numa-vmstat.node1.numa_other
179.17 ± 6% -35.8% 115.00 ± 6% perf-c2c.DRAM.remote
110.00 ± 8% -37.6% 68.67 ± 13% perf-c2c.HITM.remote
40561 +1.7% 41238 proc-vmstat.nr_slab_reclaimable
42171 ± 3% +19.1% 50238 ± 9% proc-vmstat.pgactivate
0.72 ± 2% -0.2 0.50 mpstat.cpu.all.irq%
0.02 +0.0 0.02 ± 2% mpstat.cpu.all.soft%
1.96 -0.2 1.72 mpstat.cpu.all.usr%
179.76 -40.5% 106.88 ± 4% sched_debug.cfs_rq:/.util_est.avg
490.36 ± 8% -22.9% 377.95 ± 5% sched_debug.cfs_rq:/.util_est.max
1.60 ± 95% +1152.2% 19.98 ± 34% sched_debug.cfs_rq:/.util_est.min
3.065e+08 -40.4% 1.828e+08 ± 4% unixbench.throughput
279695 +2.2% 285832 unixbench.time.involuntary_context_switches
1556 -12.8% 1356 unixbench.time.user_time
1.138e+11 -40.4% 6.781e+10 ± 4% unixbench.workload
6.70 ± 4% -72.5% 1.84 ± 18% perf-stat.i.MPKI
2.183e+10 -42.2% 1.261e+10 ± 5% perf-stat.i.branch-instructions
67.36 -25.8 41.57 ± 7% perf-stat.i.cache-miss-rate%
7.876e+08 ± 3% -85.5% 1.139e+08 ± 32% perf-stat.i.cache-misses
9.921e+08 ± 3% -79.6% 2.024e+08 ± 22% perf-stat.i.cache-references
2352 +1.5% 2389 perf-stat.i.context-switches
4.30 +72.0% 7.40 ± 4% perf-stat.i.cpi
5.124e+11 +1.0% 5.174e+11 perf-stat.i.cpu-cycles
264.94 -2.5% 258.31 perf-stat.i.cpu-migrations
805.75 ± 2% +906.4% 8109 ± 20% perf-stat.i.cycles-between-cache-misses
1.066e+11 -42.2% 6.159e+10 ± 5% perf-stat.i.instructions
0.28 -21.7% 0.22 ± 3% perf-stat.i.ipc
0.17 ± 32% -48.9% 0.09 ± 16% perf-stat.i.major-faults
7.45 ± 4% -75.8% 1.81 ± 26% perf-stat.overall.MPKI
79.47 -24.5 55.01 ± 9% perf-stat.overall.cache-miss-rate%
4.82 +75.2% 8.44 ± 5% perf-stat.overall.cpi
647.78 ± 3% +679.6% 5049 ± 29% perf-stat.overall.cycles-between-cache-misses
0.21 -42.8% 0.12 ± 4% perf-stat.overall.ipc
350.17 -2.7% 340.75 perf-stat.overall.path-length
2.191e+10 -42.0% 1.27e+10 ± 4% perf-stat.ps.branch-instructions
7.97e+08 ± 3% -85.8% 1.133e+08 ± 30% perf-stat.ps.cache-misses
1.003e+09 ± 3% -79.8% 2.02e+08 ± 21% perf-stat.ps.cache-references
5.155e+11 +1.4% 5.225e+11 perf-stat.ps.cpu-cycles
259.95 -2.6% 253.24 perf-stat.ps.cpu-migrations
1.07e+11 -42.0% 6.204e+10 ± 4% perf-stat.ps.instructions
0.17 ± 33% -49.5% 0.09 ± 17% perf-stat.ps.major-faults
3.984e+13 -42.0% 2.311e+13 ± 5% perf-stat.total.instructions
53.92 -1.2 52.69 perf-profile.calltrace.cycles-pp.folio_unlock.simple_write_end.generic_perform_write.generic_file_write_iter.vfs_write
1.63 ± 2% -1.0 0.60 ± 61% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64.write
1.38 ± 2% -0.5 0.90 ± 14% perf-profile.calltrace.cycles-pp.__generic_file_write_iter.generic_file_write_iter.vfs_write.ksys_write.do_syscall_64
4.98 -0.4 4.56 ± 6% perf-profile.calltrace.cycles-pp.simple_write_begin.generic_perform_write.generic_file_write_iter.vfs_write.ksys_write
0.84 ± 2% -0.3 0.50 ± 45% perf-profile.calltrace.cycles-pp.fault_in_readable.fault_in_iov_iter_readable.generic_perform_write.generic_file_write_iter.vfs_write
0.92 ± 2% -0.3 0.64 ± 10% perf-profile.calltrace.cycles-pp.fault_in_iov_iter_readable.generic_perform_write.generic_file_write_iter.vfs_write.ksys_write
1.00 ± 2% +0.1 1.09 ± 3% perf-profile.calltrace.cycles-pp.rw_verify_area.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.89 ± 2% +0.1 1.02 ± 2% perf-profile.calltrace.cycles-pp.security_file_permission.rw_verify_area.vfs_write.ksys_write.do_syscall_64
0.78 ± 2% +0.2 0.94 perf-profile.calltrace.cycles-pp.apparmor_file_permission.security_file_permission.rw_verify_area.vfs_write.ksys_write
2.48 +0.3 2.74 perf-profile.calltrace.cycles-pp.folio_mark_dirty.simple_write_end.generic_perform_write.generic_file_write_iter.vfs_write
98.96 +0.4 99.37 perf-profile.calltrace.cycles-pp.write
96.59 +0.5 97.10 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.write
96.42 +0.6 96.99 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
95.83 +0.6 96.47 perf-profile.calltrace.cycles-pp.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
95.24 +0.8 96.03 perf-profile.calltrace.cycles-pp.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
92.78 +1.2 93.98 perf-profile.calltrace.cycles-pp.generic_file_write_iter.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
1.30 ± 8% +1.6 2.90 ± 9% perf-profile.calltrace.cycles-pp.down_write.generic_file_write_iter.vfs_write.ksys_write.do_syscall_64
21.91 +1.6 23.52 perf-profile.calltrace.cycles-pp.copy_page_from_iter_atomic.generic_perform_write.generic_file_write_iter.vfs_write.ksys_write
53.97 -1.2 52.73 perf-profile.children.cycles-pp.folio_unlock
1.41 ± 2% -0.5 0.92 ± 14% perf-profile.children.cycles-pp.__generic_file_write_iter
1.09 ± 7% -0.4 0.64 ± 5% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt
1.02 ± 8% -0.4 0.58 ± 6% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt
5.00 -0.4 4.57 ± 6% perf-profile.children.cycles-pp.simple_write_begin
1.00 ± 8% -0.4 0.57 ± 6% perf-profile.children.cycles-pp.hrtimer_interrupt
0.85 ± 9% -0.4 0.45 ± 5% perf-profile.children.cycles-pp.__hrtimer_run_queues
4.90 -0.4 4.50 ± 6% perf-profile.children.cycles-pp.__filemap_get_folio
0.80 ± 9% -0.4 0.43 ± 5% perf-profile.children.cycles-pp.tick_nohz_handler
1.21 ± 6% -0.4 0.84 ± 5% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt
0.93 ± 2% -0.3 0.58 ± 14% perf-profile.children.cycles-pp.entry_SYSCALL_64
0.75 ± 9% -0.3 0.41 ± 4% perf-profile.children.cycles-pp.update_process_times
0.80 ± 3% -0.3 0.50 ± 15% perf-profile.children.cycles-pp.file_remove_privs_flags
0.99 ± 3% -0.3 0.71 ± 9% perf-profile.children.cycles-pp.fault_in_iov_iter_readable
0.91 ± 2% -0.3 0.66 ± 9% perf-profile.children.cycles-pp.fault_in_readable
0.50 ± 9% -0.2 0.30 ± 2% perf-profile.children.cycles-pp.sched_tick
0.50 ± 2% -0.2 0.30 ± 17% perf-profile.children.cycles-pp.__cond_resched
0.59 ± 2% -0.2 0.40 ± 12% perf-profile.children.cycles-pp.__fsnotify_parent
0.50 ± 3% -0.2 0.31 ± 14% perf-profile.children.cycles-pp.security_inode_need_killpriv
0.49 ± 2% -0.2 0.30 ± 16% perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack
0.42 ± 2% -0.2 0.26 ± 15% perf-profile.children.cycles-pp.cap_inode_need_killpriv
0.50 ± 3% -0.1 0.35 ± 13% perf-profile.children.cycles-pp.file_update_time
0.38 ± 3% -0.1 0.24 ± 14% perf-profile.children.cycles-pp.__vfs_getxattr
0.34 -0.1 0.22 ± 13% perf-profile.children.cycles-pp.up_write
0.28 -0.1 0.16 ± 15% perf-profile.children.cycles-pp.rcu_all_qs
0.42 ± 3% -0.1 0.31 ± 13% perf-profile.children.cycles-pp.inode_needs_update_time
0.42 ± 3% -0.1 0.32 ± 2% perf-profile.children.cycles-pp.__fdget_pos
0.26 -0.1 0.16 ± 15% perf-profile.children.cycles-pp.generic_write_checks
0.28 ± 8% -0.1 0.20 ± 3% perf-profile.children.cycles-pp.task_tick_fair
0.16 ± 3% -0.1 0.10 ± 16% perf-profile.children.cycles-pp.strcmp
0.16 ± 3% -0.1 0.10 ± 16% perf-profile.children.cycles-pp.balance_dirty_pages_ratelimited_flags
0.32 ± 2% -0.1 0.27 ± 6% perf-profile.children.cycles-pp.folio_mapping
0.14 ± 3% -0.1 0.08 ± 17% perf-profile.children.cycles-pp.folio_wait_stable
0.13 ± 2% -0.1 0.08 ± 14% perf-profile.children.cycles-pp.timestamp_truncate
0.08 ± 5% -0.0 0.03 ± 70% perf-profile.children.cycles-pp.update_load_avg
0.10 ± 4% -0.0 0.05 ± 45% perf-profile.children.cycles-pp.entry_SYSCALL_64_safe_stack
0.12 -0.0 0.08 ± 12% perf-profile.children.cycles-pp.xattr_resolve_name
0.35 ± 2% -0.0 0.30 ± 2% perf-profile.children.cycles-pp.w_test
0.14 ± 2% -0.0 0.10 ± 11% perf-profile.children.cycles-pp.aa_file_perm
0.12 ± 4% -0.0 0.08 ± 12% perf-profile.children.cycles-pp.generic_write_check_limits
0.14 ± 3% -0.0 0.10 ± 14% perf-profile.children.cycles-pp.xas_start
0.08 ± 5% -0.0 0.05 ± 46% perf-profile.children.cycles-pp.setattr_should_drop_suidgid
0.07 -0.0 0.04 ± 71% perf-profile.children.cycles-pp.inode_to_bdi
0.43 +0.0 0.45 perf-profile.children.cycles-pp.noop_dirty_folio
0.33 ± 3% +0.0 0.36 ± 2% perf-profile.children.cycles-pp.syscall_return_via_sysret
0.06 ± 7% +0.0 0.10 ± 12% perf-profile.children.cycles-pp.task_work_run
0.06 +0.0 0.09 ± 11% perf-profile.children.cycles-pp.task_mm_cid_work
0.62 ± 2% +0.1 0.71 ± 2% perf-profile.children.cycles-pp.write@plt
1.03 ± 2% +0.1 1.11 ± 2% perf-profile.children.cycles-pp.rw_verify_area
0.93 ± 2% +0.1 1.05 ± 2% perf-profile.children.cycles-pp.security_file_permission
0.81 ± 2% +0.2 0.96 ± 2% perf-profile.children.cycles-pp.apparmor_file_permission
2.02 +0.2 2.26 perf-profile.children.cycles-pp.folio_mark_dirty
96.98 +0.5 97.50 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
96.84 +0.6 97.41 perf-profile.children.cycles-pp.do_syscall_64
96.15 +0.6 96.78 perf-profile.children.cycles-pp.ksys_write
95.58 +0.8 96.36 perf-profile.children.cycles-pp.vfs_write
92.85 +1.2 94.02 perf-profile.children.cycles-pp.generic_file_write_iter
1.32 ± 8% +1.6 2.92 ± 9% perf-profile.children.cycles-pp.down_write
22.10 +1.7 23.77 perf-profile.children.cycles-pp.copy_page_from_iter_atomic
0.87 -0.3 0.56 ± 12% perf-profile.self.cycles-pp.write
0.77 -0.3 0.51 ± 12% perf-profile.self.cycles-pp.vfs_write
0.88 ± 2% -0.2 0.64 ± 9% perf-profile.self.cycles-pp.fault_in_readable
0.63 ± 2% -0.2 0.39 ± 16% perf-profile.self.cycles-pp.__filemap_get_folio
0.57 ± 2% -0.2 0.39 ± 12% perf-profile.self.cycles-pp.__fsnotify_parent
0.48 ± 2% -0.2 0.30 ± 15% perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack
0.32 -0.1 0.22 ± 12% perf-profile.self.cycles-pp.up_write
0.27 ± 2% -0.1 0.16 ± 19% perf-profile.self.cycles-pp.__cond_resched
0.40 ± 3% -0.1 0.31 ± 3% perf-profile.self.cycles-pp.__fdget_pos
0.22 ± 3% -0.1 0.14 ± 15% perf-profile.self.cycles-pp.file_remove_privs_flags
0.19 ± 2% -0.1 0.11 ± 17% perf-profile.self.cycles-pp.inode_needs_update_time
0.21 ± 3% -0.1 0.13 ± 15% perf-profile.self.cycles-pp.entry_SYSCALL_64
0.20 ± 2% -0.1 0.13 ± 16% perf-profile.self.cycles-pp.generic_file_write_iter
0.17 ± 2% -0.1 0.10 ± 15% perf-profile.self.cycles-pp.rcu_all_qs
0.19 ± 4% -0.1 0.13 ± 9% perf-profile.self.cycles-pp.folio_mapping
0.16 ± 3% -0.1 0.10 ± 16% perf-profile.self.cycles-pp.__vfs_getxattr
0.16 ± 3% -0.1 0.10 ± 16% perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe
0.25 -0.1 0.19 ± 7% perf-profile.self.cycles-pp.do_syscall_64
0.15 ± 3% -0.1 0.09 ± 14% perf-profile.self.cycles-pp.generic_write_checks
0.16 ± 3% -0.1 0.10 ± 16% perf-profile.self.cycles-pp.ksys_write
0.12 ± 3% -0.1 0.07 ± 12% perf-profile.self.cycles-pp.__generic_file_write_iter
0.08 ± 4% -0.0 0.04 ± 71% perf-profile.self.cycles-pp.file_update_time
0.07 ± 5% -0.0 0.02 ± 99% perf-profile.self.cycles-pp.setattr_should_drop_suidgid
0.10 ± 5% -0.0 0.05 ± 45% perf-profile.self.cycles-pp.entry_SYSCALL_64_safe_stack
0.12 ± 4% -0.0 0.08 ± 12% perf-profile.self.cycles-pp.strcmp
0.10 ± 5% -0.0 0.06 ± 46% perf-profile.self.cycles-pp.balance_dirty_pages_ratelimited_flags
0.11 ± 4% -0.0 0.07 ± 16% perf-profile.self.cycles-pp.simple_write_begin
0.08 ± 6% -0.0 0.04 ± 71% perf-profile.self.cycles-pp.fault_in_iov_iter_readable
0.10 ± 4% -0.0 0.06 ± 14% perf-profile.self.cycles-pp.timestamp_truncate
0.14 ± 3% -0.0 0.10 ± 11% perf-profile.self.cycles-pp.security_file_permission
0.25 -0.0 0.21 ± 7% perf-profile.self.cycles-pp.xas_load
0.09 ± 4% -0.0 0.06 ± 11% perf-profile.self.cycles-pp.syscall_exit_to_user_mode
0.10 ± 4% -0.0 0.06 ± 14% perf-profile.self.cycles-pp.rw_verify_area
0.08 -0.0 0.05 ± 47% perf-profile.self.cycles-pp.security_inode_need_killpriv
0.12 ± 4% -0.0 0.09 ± 13% perf-profile.self.cycles-pp.aa_file_perm
0.10 ± 5% -0.0 0.06 ± 14% perf-profile.self.cycles-pp.generic_write_check_limits
0.13 ± 4% -0.0 0.10 ± 12% perf-profile.self.cycles-pp.xas_start
0.27 ± 2% -0.0 0.24 ± 4% perf-profile.self.cycles-pp.w_test
0.13 ± 5% +0.0 0.15 ± 4% perf-profile.self.cycles-pp.syscall_exit_to_user_mode_prepare
0.40 +0.0 0.43 perf-profile.self.cycles-pp.noop_dirty_folio
0.33 ± 3% +0.0 0.36 ± 2% perf-profile.self.cycles-pp.syscall_return_via_sysret
0.06 +0.0 0.09 ± 14% perf-profile.self.cycles-pp.task_mm_cid_work
0.58 ± 2% +0.1 0.68 ± 3% perf-profile.self.cycles-pp.write@plt
0.64 ± 3% +0.2 0.84 perf-profile.self.cycles-pp.apparmor_file_permission
1.28 +0.2 1.52 ± 2% perf-profile.self.cycles-pp.folio_mark_dirty
4.44 +0.5 4.92 perf-profile.self.cycles-pp.simple_write_end
1.19 ± 9% +1.6 2.83 ± 9% perf-profile.self.cycles-pp.down_write
21.84 +1.8 23.60 perf-profile.self.cycles-pp.copy_page_from_iter_atomic
***************************************************************************************************
lkp-spr-r02: 224 threads 2 sockets Intel(R) Xeon(R) Platinum 8480CTDX (Sapphire Rapids) with 256G memory
=========================================================================================
compiler/cpufreq_governor/kconfig/nr_task/rootfs/runtime/tbox_group/test/testcase:
gcc-13/performance/x86_64-rhel-8.3/100%/debian-12-x86_64-20240206.cgz/300s/lkp-spr-r02/fstime/unixbench
commit:
97450eb909 ("sched/pelt: Remove shift of thermal clock")
6efc66e7c7 ("sched/numa: Correct NUMA imbalance calculation")
97450eb909658573 6efc66e7c7874a28529068c203f
---------------- ---------------------------
%stddev %change %stddev
\ | \
4.45 -0.4 4.03 mpstat.cpu.all.usr%
47683 ± 23% -33.9% 31506 ± 46% numa-meminfo.node0.Mapped
62853 ± 3% -39.3% 38178 ± 6% perf-c2c.DRAM.local
4308 ± 74% +376.5% 20527 ± 10% perf-c2c.DRAM.remote
1655 ± 8% -34.1% 1091 ± 6% perf-c2c.HITM.local
213.56 ± 31% +75.8% 375.35 ± 16% sched_debug.cfs_rq:/.util_est.min
22805 ± 14% +59.1% 36281 ± 32% sched_debug.cpu.nr_switches.max
2625 ± 5% +34.2% 3523 ± 20% sched_debug.cpu.nr_switches.stddev
376936 -6.8% 351324 unixbench.score
1.493e+08 -6.8% 1.391e+08 unixbench.throughput
4712 -9.6% 4261 unixbench.time.user_time
7.182e+10 -6.8% 6.694e+10 unixbench.workload
6.15 -8.6% 5.63 perf-stat.i.MPKI
6.874e+10 -8.3% 6.3e+10 perf-stat.i.branch-instructions
54.38 -1.4 52.98 perf-stat.i.cache-miss-rate%
2.564e+09 -16.1% 2.153e+09 perf-stat.i.cache-misses
3.729e+09 -14.6% 3.186e+09 perf-stat.i.cache-references
1.42 +5.6% 1.50 perf-stat.i.cpi
4.125e+11 +1.7% 4.193e+11 perf-stat.i.cpu-cycles
503.97 ± 5% +10.4% 556.41 ± 3% perf-stat.i.cycles-between-cache-misses
3.482e+11 -8.3% 3.193e+11 perf-stat.i.instructions
0.80 -7.8% 0.74 perf-stat.i.ipc
2.13 -52.7% 1.01 ±100% perf-stat.i.metric.K/sec
7.38 -8.5% 6.75 perf-stat.overall.MPKI
68.88 -1.2 67.67 perf-stat.overall.cache-miss-rate%
1.19 +10.8% 1.31 perf-stat.overall.cpi
160.68 +21.2% 194.69 perf-stat.overall.cycles-between-cache-misses
0.84 -9.8% 0.76 perf-stat.overall.ipc
2332 -1.2% 2304 perf-stat.overall.path-length
6.859e+10 -8.0% 6.309e+10 perf-stat.ps.branch-instructions
2.563e+09 -15.8% 2.158e+09 perf-stat.ps.cache-misses
3.721e+09 -14.3% 3.189e+09 perf-stat.ps.cache-references
4.119e+11 +2.0% 4.202e+11 perf-stat.ps.cpu-cycles
3.474e+11 -8.0% 3.198e+11 perf-stat.ps.instructions
1.675e+14 -7.9% 1.542e+14 perf-stat.total.instructions
4.41 -1.4 2.98 perf-profile.calltrace.cycles-pp.__generic_file_write_iter.generic_file_write_iter.vfs_write.ksys_write.do_syscall_64
6.21 -1.3 4.89 perf-profile.calltrace.cycles-pp.simple_write_begin.generic_perform_write.generic_file_write_iter.vfs_write.ksys_write
5.80 -1.2 4.60 perf-profile.calltrace.cycles-pp.__filemap_get_folio.simple_write_begin.generic_perform_write.generic_file_write_iter.vfs_write
4.62 -1.2 3.46 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64.write
3.83 -1.0 2.86 perf-profile.calltrace.cycles-pp.copy_page_from_iter_atomic.generic_perform_write.generic_file_write_iter.vfs_write.ksys_write
47.48 -0.9 46.54 perf-profile.calltrace.cycles-pp.read
2.54 -0.8 1.70 perf-profile.calltrace.cycles-pp.fault_in_iov_iter_readable.generic_perform_write.generic_file_write_iter.vfs_write.ksys_write
2.53 -0.8 1.71 perf-profile.calltrace.cycles-pp.file_remove_privs_flags.__generic_file_write_iter.generic_file_write_iter.vfs_write.ksys_write
2.22 -0.7 1.49 perf-profile.calltrace.cycles-pp.fault_in_readable.fault_in_iov_iter_readable.generic_perform_write.generic_file_write_iter.vfs_write
6.80 -0.6 6.20 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64.read
1.71 -0.5 1.18 perf-profile.calltrace.cycles-pp.rw_verify_area.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
1.56 -0.5 1.06 perf-profile.calltrace.cycles-pp.security_inode_need_killpriv.file_remove_privs_flags.__generic_file_write_iter.generic_file_write_iter.vfs_write
3.30 -0.5 2.82 ± 3% perf-profile.calltrace.cycles-pp.filemap_get_entry.__filemap_get_folio.simple_write_begin.generic_perform_write.generic_file_write_iter
1.34 -0.4 0.91 perf-profile.calltrace.cycles-pp.file_update_time.__generic_file_write_iter.generic_file_write_iter.vfs_write.ksys_write
41.64 -0.4 41.22 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.read
1.30 -0.4 0.88 perf-profile.calltrace.cycles-pp.cap_inode_need_killpriv.security_inode_need_killpriv.file_remove_privs_flags.__generic_file_write_iter.generic_file_write_iter
1.34 -0.4 0.93 perf-profile.calltrace.cycles-pp.security_file_permission.rw_verify_area.vfs_write.ksys_write.do_syscall_64
1.44 -0.4 1.06 perf-profile.calltrace.cycles-pp.__fsnotify_parent.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
40.93 -0.4 40.57 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.read
3.96 -0.4 3.61 perf-profile.calltrace.cycles-pp.__fsnotify_parent.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe
1.08 -0.3 0.74 perf-profile.calltrace.cycles-pp.inode_needs_update_time.file_update_time.__generic_file_write_iter.generic_file_write_iter.vfs_write
1.00 -0.3 0.68 perf-profile.calltrace.cycles-pp.__vfs_getxattr.cap_inode_need_killpriv.security_inode_need_killpriv.file_remove_privs_flags.__generic_file_write_iter
1.02 -0.3 0.71 perf-profile.calltrace.cycles-pp.apparmor_file_permission.security_file_permission.rw_verify_area.vfs_write.ksys_write
1.11 ± 2% -0.3 0.81 perf-profile.calltrace.cycles-pp.xas_load.filemap_get_entry.__filemap_get_folio.simple_write_begin.generic_perform_write
2.56 -0.3 2.30 perf-profile.calltrace.cycles-pp.touch_atime.filemap_read.vfs_read.ksys_read.do_syscall_64
0.82 -0.2 0.59 ± 2% perf-profile.calltrace.cycles-pp.__fdget_pos.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
2.15 -0.2 1.93 perf-profile.calltrace.cycles-pp.atime_needs_update.touch_atime.filemap_read.vfs_read.ksys_read
2.36 -0.2 2.16 perf-profile.calltrace.cycles-pp.rw_verify_area.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.80 -0.2 0.62 perf-profile.calltrace.cycles-pp.up_write.generic_file_write_iter.vfs_write.ksys_write.do_syscall_64
1.06 -0.1 0.91 ± 2% perf-profile.calltrace.cycles-pp.__fdget_pos.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe.read
1.61 -0.1 1.49 perf-profile.calltrace.cycles-pp.security_file_permission.rw_verify_area.vfs_read.ksys_read.do_syscall_64
1.49 -0.1 1.38 perf-profile.calltrace.cycles-pp.xas_load.filemap_get_read_batch.filemap_get_pages.filemap_read.vfs_read
0.86 -0.1 0.79 perf-profile.calltrace.cycles-pp.current_time.atime_needs_update.touch_atime.filemap_read.vfs_read
1.18 -0.1 1.10 ± 2% perf-profile.calltrace.cycles-pp.apparmor_file_permission.security_file_permission.rw_verify_area.vfs_read.ksys_read
0.65 -0.0 0.61 perf-profile.calltrace.cycles-pp.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.read
0.56 -0.0 0.52 perf-profile.calltrace.cycles-pp.xas_descend.xas_load.filemap_get_read_batch.filemap_get_pages.filemap_read
1.17 +0.1 1.25 perf-profile.calltrace.cycles-pp.down_write.generic_file_write_iter.vfs_write.ksys_write.do_syscall_64
27.64 +0.9 28.51 perf-profile.calltrace.cycles-pp.filemap_read.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe
49.34 +1.2 50.51 perf-profile.calltrace.cycles-pp.write
13.49 +1.6 15.07 perf-profile.calltrace.cycles-pp.copy_page_to_iter.filemap_read.vfs_read.ksys_read.do_syscall_64
12.82 +1.6 14.45 perf-profile.calltrace.cycles-pp._copy_to_iter.copy_page_to_iter.filemap_read.vfs_read.ksys_read
45.11 +2.4 47.49 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.write
44.56 +2.5 47.10 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
43.08 +3.1 46.14 perf-profile.calltrace.cycles-pp.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
41.63 +3.5 45.11 perf-profile.calltrace.cycles-pp.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
35.65 +5.3 40.93 perf-profile.calltrace.cycles-pp.generic_file_write_iter.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
27.63 +7.3 34.92 perf-profile.calltrace.cycles-pp.generic_perform_write.generic_file_write_iter.vfs_write.ksys_write.do_syscall_64
12.84 ± 3% +11.1 23.94 perf-profile.calltrace.cycles-pp.simple_write_end.generic_perform_write.generic_file_write_iter.vfs_write.ksys_write
11.12 ± 4% +11.5 22.65 perf-profile.calltrace.cycles-pp.folio_unlock.simple_write_end.generic_perform_write.generic_file_write_iter.vfs_write
4.53 -1.5 3.06 perf-profile.children.cycles-pp.__generic_file_write_iter
6.28 -1.3 4.94 perf-profile.children.cycles-pp.simple_write_begin
5.95 -1.2 4.71 perf-profile.children.cycles-pp.__filemap_get_folio
48.70 -1.0 47.66 perf-profile.children.cycles-pp.read
6.39 -1.0 5.41 perf-profile.children.cycles-pp.entry_SYSCALL_64
3.90 -1.0 2.93 perf-profile.children.cycles-pp.copy_page_from_iter_atomic
2.66 -0.9 1.79 perf-profile.children.cycles-pp.file_remove_privs_flags
2.65 -0.9 1.79 perf-profile.children.cycles-pp.fault_in_iov_iter_readable
4.27 -0.8 3.50 perf-profile.children.cycles-pp.rw_verify_area
2.34 -0.7 1.59 perf-profile.children.cycles-pp.fault_in_readable
5.51 -0.7 4.77 perf-profile.children.cycles-pp.__fsnotify_parent
3.53 -0.6 2.89 perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack
3.27 -0.6 2.68 perf-profile.children.cycles-pp.security_file_permission
2.11 -0.5 1.58 perf-profile.children.cycles-pp.__cond_resched
1.64 -0.5 1.12 perf-profile.children.cycles-pp.security_inode_need_killpriv
3.38 -0.5 2.88 ± 3% perf-profile.children.cycles-pp.filemap_get_entry
3.00 -0.5 2.52 perf-profile.children.cycles-pp.xas_load
1.46 -0.5 1.00 perf-profile.children.cycles-pp.file_update_time
1.66 ± 16% -0.5 1.19 ± 7% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt
1.72 ± 16% -0.4 1.28 ± 7% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt
1.53 ± 17% -0.4 1.08 ± 8% perf-profile.children.cycles-pp.hrtimer_interrupt
1.38 -0.4 0.93 perf-profile.children.cycles-pp.cap_inode_need_killpriv
1.56 ± 16% -0.4 1.11 ± 8% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt
2.40 -0.4 1.98 perf-profile.children.cycles-pp.apparmor_file_permission
1.25 -0.4 0.85 perf-profile.children.cycles-pp.__vfs_getxattr
1.98 -0.4 1.59 ± 2% perf-profile.children.cycles-pp.__fdget_pos
1.24 -0.4 0.84 perf-profile.children.cycles-pp.inode_needs_update_time
1.29 ± 16% -0.4 0.92 ± 8% perf-profile.children.cycles-pp.__hrtimer_run_queues
1.24 ± 17% -0.4 0.88 ± 8% perf-profile.children.cycles-pp.tick_nohz_handler
1.18 ± 17% -0.4 0.82 ± 9% perf-profile.children.cycles-pp.update_process_times
0.82 ± 19% -0.3 0.51 ± 9% perf-profile.children.cycles-pp.sched_tick
1.19 -0.3 0.88 perf-profile.children.cycles-pp.rcu_all_qs
1.45 -0.3 1.19 perf-profile.children.cycles-pp.syscall_exit_to_user_mode
2.66 -0.3 2.40 perf-profile.children.cycles-pp.touch_atime
0.82 -0.3 0.56 perf-profile.children.cycles-pp.generic_write_checks
39.27 -0.2 39.02 perf-profile.children.cycles-pp.ksys_read
2.39 -0.2 2.15 perf-profile.children.cycles-pp.atime_needs_update
0.52 ± 17% -0.2 0.32 ± 9% perf-profile.children.cycles-pp.task_tick_fair
1.22 -0.2 1.02 perf-profile.children.cycles-pp.xas_descend
0.83 -0.2 0.65 perf-profile.children.cycles-pp.up_write
0.50 -0.2 0.34 perf-profile.children.cycles-pp.strcmp
0.88 -0.2 0.72 perf-profile.children.cycles-pp.aa_file_perm
0.50 -0.1 0.35 perf-profile.children.cycles-pp.balance_dirty_pages_ratelimited_flags
0.46 -0.1 0.33 perf-profile.children.cycles-pp.folio_mapping
0.46 -0.1 0.33 ± 2% perf-profile.children.cycles-pp.folio_mark_dirty
0.41 -0.1 0.28 perf-profile.children.cycles-pp.timestamp_truncate
0.40 -0.1 0.28 ± 2% perf-profile.children.cycles-pp.xattr_resolve_name
0.42 -0.1 0.30 perf-profile.children.cycles-pp.folio_wait_stable
0.74 -0.1 0.63 perf-profile.children.cycles-pp.syscall_return_via_sysret
0.35 -0.1 0.24 perf-profile.children.cycles-pp.generic_write_check_limits
0.54 ± 3% -0.1 0.44 perf-profile.children.cycles-pp.ktime_get_coarse_real_ts64
0.29 ± 3% -0.1 0.19 ± 2% perf-profile.children.cycles-pp.setattr_should_drop_suidgid
0.77 ± 2% -0.1 0.67 ± 2% perf-profile.children.cycles-pp.xas_start
0.98 -0.1 0.89 perf-profile.children.cycles-pp.current_time
0.19 ± 19% -0.1 0.11 ± 9% perf-profile.children.cycles-pp.update_load_avg
0.21 ± 3% -0.1 0.13 ± 2% perf-profile.children.cycles-pp.__x64_sys_write
0.19 ± 20% -0.1 0.11 ± 12% perf-profile.children.cycles-pp.update_curr
0.24 -0.1 0.17 ± 2% perf-profile.children.cycles-pp.inode_to_bdi
0.42 -0.1 0.34 perf-profile.children.cycles-pp.syscall_exit_to_user_mode_prepare
0.52 -0.1 0.45 perf-profile.children.cycles-pp.entry_SYSCALL_64_safe_stack
0.26 -0.1 0.20 ± 2% perf-profile.children.cycles-pp.amd_clear_divider
0.64 -0.0 0.60 perf-profile.children.cycles-pp.r_test
0.13 ± 2% -0.0 0.09 perf-profile.children.cycles-pp.is_bad_inode
0.42 -0.0 0.38 perf-profile.children.cycles-pp.generic_file_read_iter
0.14 ± 3% -0.0 0.10 ± 4% perf-profile.children.cycles-pp.noop_dirty_folio
0.43 -0.0 0.40 perf-profile.children.cycles-pp.w_test
0.08 -0.0 0.05 perf-profile.children.cycles-pp.file_remove_privs
0.24 ± 2% -0.0 0.21 perf-profile.children.cycles-pp.make_vfsuid
0.27 -0.0 0.24 ± 2% perf-profile.children.cycles-pp.__x64_sys_read
0.23 ± 2% -0.0 0.21 ± 2% perf-profile.children.cycles-pp.make_vfsgid
0.15 ± 3% -0.0 0.13 ± 3% perf-profile.children.cycles-pp.write@plt
0.09 ± 5% -0.0 0.07 ± 5% perf-profile.children.cycles-pp.balance_dirty_pages_ratelimited
0.21 ± 2% -0.0 0.19 perf-profile.children.cycles-pp.read@plt
0.11 -0.0 0.10 perf-profile.children.cycles-pp.folio_mark_accessed
1.24 +0.1 1.30 perf-profile.children.cycles-pp.down_write
27.98 +0.8 28.81 perf-profile.children.cycles-pp.filemap_read
50.22 +1.1 51.30 perf-profile.children.cycles-pp.write
13.66 +1.6 15.22 perf-profile.children.cycles-pp.copy_page_to_iter
12.88 +1.6 14.52 perf-profile.children.cycles-pp._copy_to_iter
87.02 +2.0 88.99 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
86.00 +2.1 88.15 perf-profile.children.cycles-pp.do_syscall_64
43.32 +3.1 46.37 perf-profile.children.cycles-pp.ksys_write
41.98 +3.4 45.42 perf-profile.children.cycles-pp.vfs_write
35.87 +5.2 41.08 perf-profile.children.cycles-pp.generic_file_write_iter
28.02 +7.2 35.24 perf-profile.children.cycles-pp.generic_perform_write
13.00 ± 3% +11.0 24.04 perf-profile.children.cycles-pp.simple_write_end
11.16 ± 4% +11.5 22.70 perf-profile.children.cycles-pp.folio_unlock
3.77 -0.9 2.87 perf-profile.self.cycles-pp.copy_page_from_iter_atomic
2.45 -0.7 1.71 perf-profile.self.cycles-pp.vfs_write
5.29 -0.7 4.58 perf-profile.self.cycles-pp.__fsnotify_parent
2.24 -0.7 1.54 perf-profile.self.cycles-pp.fault_in_readable
3.45 -0.6 2.82 perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack
2.28 -0.6 1.72 perf-profile.self.cycles-pp.write
1.80 -0.5 1.31 perf-profile.self.cycles-pp.__filemap_get_folio
1.40 -0.4 0.99 perf-profile.self.cycles-pp.generic_perform_write
4.72 -0.4 4.31 perf-profile.self.cycles-pp.filemap_read
1.84 -0.4 1.48 ± 2% perf-profile.self.cycles-pp.__fdget_pos
1.30 -0.3 0.98 perf-profile.self.cycles-pp.simple_write_end
3.38 -0.3 3.08 perf-profile.self.cycles-pp.read
2.79 -0.3 2.50 perf-profile.self.cycles-pp.vfs_read
1.16 -0.3 0.87 perf-profile.self.cycles-pp.__cond_resched
1.55 -0.3 1.27 perf-profile.self.cycles-pp.do_syscall_64
0.75 ± 2% -0.2 0.51 perf-profile.self.cycles-pp.file_remove_privs_flags
1.38 -0.2 1.15 ± 2% perf-profile.self.cycles-pp.apparmor_file_permission
1.18 -0.2 0.97 perf-profile.self.cycles-pp.xas_load
1.33 -0.2 1.14 perf-profile.self.cycles-pp.entry_SYSCALL_64
1.11 -0.2 0.91 perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe
0.60 ± 2% -0.2 0.41 perf-profile.self.cycles-pp.inode_needs_update_time
0.96 -0.2 0.78 perf-profile.self.cycles-pp.security_file_permission
0.65 -0.2 0.46 perf-profile.self.cycles-pp.generic_file_write_iter
0.71 -0.2 0.53 perf-profile.self.cycles-pp.rcu_all_qs
0.99 -0.2 0.82 perf-profile.self.cycles-pp.rw_verify_area
0.50 ± 2% -0.2 0.34 perf-profile.self.cycles-pp.__vfs_getxattr
0.77 -0.2 0.61 perf-profile.self.cycles-pp.up_write
0.50 ± 2% -0.1 0.35 perf-profile.self.cycles-pp.ksys_write
1.00 -0.1 0.86 perf-profile.self.cycles-pp.xas_descend
0.75 -0.1 0.60 perf-profile.self.cycles-pp.syscall_exit_to_user_mode
0.47 -0.1 0.34 ± 2% perf-profile.self.cycles-pp.generic_write_checks
0.77 -0.1 0.64 perf-profile.self.cycles-pp.aa_file_perm
0.40 -0.1 0.28 perf-profile.self.cycles-pp.__generic_file_write_iter
0.37 -0.1 0.25 ± 2% perf-profile.self.cycles-pp.strcmp
0.74 -0.1 0.62 perf-profile.self.cycles-pp.syscall_return_via_sysret
1.06 -0.1 0.95 perf-profile.self.cycles-pp.atime_needs_update
0.38 -0.1 0.27 perf-profile.self.cycles-pp.folio_mapping
0.30 ± 2% -0.1 0.20 perf-profile.self.cycles-pp.fault_in_iov_iter_readable
0.33 -0.1 0.23 ± 2% perf-profile.self.cycles-pp.timestamp_truncate
0.33 -0.1 0.23 perf-profile.self.cycles-pp.simple_write_begin
0.96 -0.1 0.87 perf-profile.self.cycles-pp.filemap_get_pages
0.30 ± 2% -0.1 0.21 ± 2% perf-profile.self.cycles-pp.balance_dirty_pages_ratelimited_flags
0.82 -0.1 0.74 perf-profile.self.cycles-pp.copy_page_to_iter
0.66 ± 2% -0.1 0.58 ± 2% perf-profile.self.cycles-pp.xas_start
0.43 ± 3% -0.1 0.35 ± 2% perf-profile.self.cycles-pp.ktime_get_coarse_real_ts64
0.25 ± 3% -0.1 0.17 ± 2% perf-profile.self.cycles-pp.setattr_should_drop_suidgid
0.25 -0.1 0.17 ± 2% perf-profile.self.cycles-pp.file_update_time
0.27 ± 2% -0.1 0.19 perf-profile.self.cycles-pp.generic_write_check_limits
0.26 ± 2% -0.1 0.18 ± 2% perf-profile.self.cycles-pp.security_inode_need_killpriv
0.12 ± 28% -0.1 0.04 ± 45% perf-profile.self.cycles-pp.sched_tick
0.23 -0.1 0.16 ± 2% perf-profile.self.cycles-pp.xattr_resolve_name
0.14 ± 21% -0.1 0.07 ± 12% perf-profile.self.cycles-pp.update_load_avg
0.16 -0.1 0.09 ± 5% perf-profile.self.cycles-pp.__x64_sys_write
0.68 -0.1 0.61 perf-profile.self.cycles-pp.current_time
0.52 -0.1 0.45 perf-profile.self.cycles-pp.entry_SYSCALL_64_safe_stack
0.66 -0.1 0.60 perf-profile.self.cycles-pp.ksys_read
0.19 -0.1 0.13 ± 2% perf-profile.self.cycles-pp.folio_wait_stable
0.23 ± 2% -0.1 0.17 ± 2% perf-profile.self.cycles-pp.folio_mark_dirty
0.09 ± 23% -0.1 0.04 ± 71% perf-profile.self.cycles-pp.update_curr
0.33 -0.1 0.28 perf-profile.self.cycles-pp.syscall_exit_to_user_mode_prepare
0.14 ± 3% -0.0 0.10 ± 3% perf-profile.self.cycles-pp.inode_to_bdi
0.18 ± 2% -0.0 0.14 perf-profile.self.cycles-pp.amd_clear_divider
0.12 ± 3% -0.0 0.08 ± 5% perf-profile.self.cycles-pp.cap_inode_need_killpriv
0.36 -0.0 0.32 perf-profile.self.cycles-pp.generic_file_read_iter
0.52 -0.0 0.49 perf-profile.self.cycles-pp.r_test
0.09 -0.0 0.06 perf-profile.self.cycles-pp.is_bad_inode
0.09 ± 4% -0.0 0.06 ± 6% perf-profile.self.cycles-pp.noop_dirty_folio
0.24 -0.0 0.21 perf-profile.self.cycles-pp.touch_atime
0.34 -0.0 0.32 perf-profile.self.cycles-pp.w_test
0.17 ± 2% -0.0 0.15 perf-profile.self.cycles-pp.make_vfsuid
0.17 ± 2% -0.0 0.16 ± 3% perf-profile.self.cycles-pp.make_vfsgid
0.20 ± 2% -0.0 0.18 ± 4% perf-profile.self.cycles-pp.__x64_sys_read
0.84 +0.2 1.03 perf-profile.self.cycles-pp.down_write
12.60 +1.6 14.16 perf-profile.self.cycles-pp._copy_to_iter
10.85 ± 4% +11.6 22.47 perf-profile.self.cycles-pp.folio_unlock
***************************************************************************************************
lkp-cpl-4sp2: 224 threads 4 sockets Intel(R) Xeon(R) Platinum 8380H CPU @ 2.90GHz (Cooper Lake) with 192G memory
=========================================================================================
compiler/cpufreq_governor/kconfig/nr_task/rootfs/runtime/tbox_group/test/testcase:
gcc-13/performance/x86_64-rhel-8.3/100%/debian-12-x86_64-20240206.cgz/300s/lkp-cpl-4sp2/fsdisk-w/unixbench
commit:
97450eb909 ("sched/pelt: Remove shift of thermal clock")
6efc66e7c7 ("sched/numa: Correct NUMA imbalance calculation")
97450eb909658573 6efc66e7c7874a28529068c203f
---------------- ---------------------------
%stddev %change %stddev
\ | \
10622634 ± 7% -9.9% 9576106 ± 7% meminfo.DirectMap2M
10183 ± 38% +83.6% 18694 ± 62% numa-meminfo.node3.Mapped
2753 +3.8% 2858 vmstat.system.cs
112.50 ± 11% -28.7% 80.17 ± 15% perf-c2c.DRAM.remote
71.83 ± 10% -37.1% 45.17 ± 12% perf-c2c.HITM.remote
0.64 ± 2% +0.3 0.95 ± 4% mpstat.cpu.all.irq%
0.03 ± 2% +0.0 0.05 mpstat.cpu.all.soft%
2.86 -0.9 2.00 ± 3% mpstat.cpu.all.usr%
200343 +1.7% 203741 proc-vmstat.nr_inactive_anon
39333 +1.5% 39924 proc-vmstat.nr_slab_reclaimable
200343 +1.7% 203741 proc-vmstat.nr_zone_inactive_anon
1.234e+08 -26.7% 90543615 ± 6% unixbench.throughput
308205 +7.2% 330488 unixbench.time.involuntary_context_switches
2293 -32.1% 1557 ± 3% unixbench.time.user_time
4.584e+10 -26.6% 3.365e+10 ± 6% unixbench.workload
1.63 +8.5% 1.77 perf-stat.i.MPKI
8.764e+09 -30.9% 6.054e+09 ± 4% perf-stat.i.branch-instructions
53207984 -33.8% 35207703 ± 2% perf-stat.i.branch-misses
60891213 -18.9% 49358107 ± 4% perf-stat.i.cache-misses
81919293 -18.5% 66726450 ± 3% perf-stat.i.cache-references
2716 +4.1% 2828 perf-stat.i.context-switches
12.99 +45.8% 18.94 ± 4% perf-stat.i.cpi
6.633e+11 -1.9% 6.508e+11 perf-stat.i.cpu-cycles
262.21 -1.7% 257.83 perf-stat.i.cpu-migrations
9077 +22.0% 11075 ± 4% perf-stat.i.cycles-between-cache-misses
4.259e+10 -30.9% 2.944e+10 ± 4% perf-stat.i.instructions
0.65 ± 38% -78.2% 0.14 ± 27% perf-stat.i.major-faults
1.43 +17.7% 1.68 perf-stat.overall.MPKI
0.60 -0.0 0.56 perf-stat.overall.branch-miss-rate%
15.64 +42.7% 22.32 ± 5% perf-stat.overall.cpi
10918 +21.3% 13241 ± 4% perf-stat.overall.cycles-between-cache-misses
0.06 -29.8% 0.04 ± 5% perf-stat.overall.ipc
354.92 -4.3% 339.50 ± 2% perf-stat.overall.path-length
8.988e+09 -29.9% 6.301e+09 ± 5% perf-stat.ps.branch-instructions
53819268 -34.2% 35393062 ± 3% perf-stat.ps.branch-misses
62559137 -17.5% 51613567 ± 4% perf-stat.ps.cache-misses
83864961 -17.5% 69192337 ± 4% perf-stat.ps.cache-references
2667 +3.1% 2749 perf-stat.ps.context-switches
256.89 -2.5% 250.41 perf-stat.ps.cpu-migrations
4.368e+10 -29.9% 3.064e+10 ± 5% perf-stat.ps.instructions
0.57 ± 38% -78.5% 0.12 ± 26% perf-stat.ps.major-faults
1.627e+13 -29.9% 1.141e+13 ± 5% perf-stat.total.instructions
31406618 ± 6% -15.0% 26687201 ± 6% sched_debug.cfs_rq:/.avg_vruntime.min
0.81 ± 8% -19.2% 0.65 ± 5% sched_debug.cfs_rq:/.h_nr_running.min
0.12 ± 4% +39.4% 0.16 ± 16% sched_debug.cfs_rq:/.h_nr_running.stddev
3660 ± 8% -20.2% 2920 ± 5% sched_debug.cfs_rq:/.load.min
7.56 ± 13% +48.6% 11.23 ± 17% sched_debug.cfs_rq:/.load_avg.avg
183.83 ± 4% +113.6% 392.71 ± 24% sched_debug.cfs_rq:/.load_avg.max
3.10 ± 8% -16.1% 2.60 ± 5% sched_debug.cfs_rq:/.load_avg.min
22.00 ± 17% +100.9% 44.19 ± 20% sched_debug.cfs_rq:/.load_avg.stddev
31406618 ± 6% -15.0% 26687201 ± 6% sched_debug.cfs_rq:/.min_vruntime.min
0.86 -9.8% 0.77 ± 6% sched_debug.cfs_rq:/.nr_running.avg
0.81 ± 8% -19.2% 0.65 ± 5% sched_debug.cfs_rq:/.nr_running.min
0.05 ± 27% +125.9% 0.10 ± 24% sched_debug.cfs_rq:/.nr_running.stddev
894.39 -10.8% 797.67 ± 6% sched_debug.cfs_rq:/.runnable_avg.avg
791.84 ± 7% -15.9% 665.91 ± 5% sched_debug.cfs_rq:/.runnable_avg.min
93.56 ± 14% +50.6% 140.93 ± 11% sched_debug.cfs_rq:/.runnable_avg.stddev
887.62 -11.1% 789.04 ± 6% sched_debug.cfs_rq:/.util_avg.avg
664.85 ± 8% -17.2% 550.39 ± 6% sched_debug.cfs_rq:/.util_avg.min
56.28 ± 25% +84.7% 103.92 ± 20% sched_debug.cfs_rq:/.util_avg.stddev
215.40 -66.4% 72.28 ± 10% sched_debug.cfs_rq:/.util_est.avg
1167320 ± 5% +115.2% 2511775 ± 5% sched_debug.cpu.avg_idle.max
758966 ± 3% -15.8% 638698 ± 11% sched_debug.cpu.avg_idle.min
45953 ± 19% +366.0% 214146 ± 11% sched_debug.cpu.avg_idle.stddev
458.94 ± 11% +18.5% 543.69 ± 5% sched_debug.cpu.clock.stddev
1080 ± 4% +14.6% 1238 ± 4% sched_debug.cpu.clock_task.stddev
12684 ± 4% -15.7% 10688 ± 5% sched_debug.cpu.curr->pid.avg
13960 ± 3% -7.1% 12966 ± 3% sched_debug.cpu.curr->pid.max
599.40 ± 50% +94.7% 1167 ± 35% sched_debug.cpu.curr->pid.stddev
557932 ± 4% +110.0% 1171426 ± 5% sched_debug.cpu.max_idle_balance_cost.max
5628 ± 50% +1323.6% 80122 ± 11% sched_debug.cpu.max_idle_balance_cost.stddev
0.00 ± 11% +25.0% 0.00 ± 7% sched_debug.cpu.next_balance.stddev
0.87 -10.0% 0.78 ± 6% sched_debug.cpu.nr_running.avg
0.83 ± 6% -21.5% 0.65 ± 5% sched_debug.cpu.nr_running.min
0.11 ± 5% +40.3% 0.16 ± 15% sched_debug.cpu.nr_running.stddev
1031 ± 3% -11.3% 915.37 ± 5% sched_debug.cpu.nr_switches.min
14.58 -0.9 13.68 ± 2% perf-profile.calltrace.cycles-pp.folio_unlock.simple_write_end.generic_perform_write.generic_file_write_iter.vfs_write
0.85 ± 4% -0.5 0.36 ± 71% perf-profile.calltrace.cycles-pp.fault_in_iov_iter_readable.generic_perform_write.generic_file_write_iter.vfs_write.ksys_write
1.16 ± 4% -0.5 0.67 ± 13% perf-profile.calltrace.cycles-pp.w_test
17.31 -0.5 16.82 perf-profile.calltrace.cycles-pp.simple_write_end.generic_perform_write.generic_file_write_iter.vfs_write.ksys_write
0.74 ± 2% -0.5 0.27 ±100% perf-profile.calltrace.cycles-pp.__fdget_pos.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
0.81 -0.3 0.47 ± 45% perf-profile.calltrace.cycles-pp.apparmor_file_permission.security_file_permission.rw_verify_area.vfs_write.ksys_write
1.44 ± 2% -0.3 1.14 ± 4% perf-profile.calltrace.cycles-pp.xas_load.filemap_get_entry.__filemap_get_folio.simple_write_begin.generic_perform_write
0.65 ± 2% -0.3 0.36 ± 70% perf-profile.calltrace.cycles-pp.syscall_return_via_sysret.write
0.91 -0.3 0.63 ± 8% perf-profile.calltrace.cycles-pp.rw_verify_area.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.88 -0.3 0.60 ± 8% perf-profile.calltrace.cycles-pp.security_file_permission.rw_verify_area.vfs_write.ksys_write.do_syscall_64
1.06 ± 16% -0.2 0.81 ± 8% perf-profile.calltrace.cycles-pp.__generic_file_write_iter.generic_file_write_iter.vfs_write.ksys_write.do_syscall_64
0.61 ± 3% +0.1 0.69 ± 4% perf-profile.calltrace.cycles-pp.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
97.14 +0.4 97.50 perf-profile.calltrace.cycles-pp.write
4.01 ± 2% +0.5 4.51 perf-profile.calltrace.cycles-pp.simple_write_begin.generic_perform_write.generic_file_write_iter.vfs_write.ksys_write
3.87 ± 2% +0.6 4.42 perf-profile.calltrace.cycles-pp.__filemap_get_folio.simple_write_begin.generic_perform_write.generic_file_write_iter.vfs_write
3.51 ± 2% +0.6 4.07 perf-profile.calltrace.cycles-pp.filemap_get_entry.__filemap_get_folio.simple_write_begin.generic_perform_write.generic_file_write_iter
95.31 +0.7 95.98 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
95.40 +0.7 96.07 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.write
94.16 +0.7 94.89 perf-profile.calltrace.cycles-pp.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
93.23 +1.0 94.25 perf-profile.calltrace.cycles-pp.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
90.40 +1.8 92.20 perf-profile.calltrace.cycles-pp.generic_file_write_iter.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
60.12 +1.9 62.04 perf-profile.calltrace.cycles-pp.rep_movs_alternative.copy_page_from_iter_atomic.generic_perform_write.generic_file_write_iter.vfs_write
88.25 +2.3 90.55 perf-profile.calltrace.cycles-pp.generic_perform_write.generic_file_write_iter.vfs_write.ksys_write.do_syscall_64
66.98 +2.9 69.93 perf-profile.calltrace.cycles-pp.copy_page_from_iter_atomic.generic_perform_write.generic_file_write_iter.vfs_write.ksys_write
14.64 -0.7 13.93 perf-profile.children.cycles-pp.folio_unlock
1.17 ± 4% -0.5 0.68 ± 13% perf-profile.children.cycles-pp.w_test
17.36 -0.5 16.90 perf-profile.children.cycles-pp.simple_write_end
0.92 ± 3% -0.3 0.58 ± 11% perf-profile.children.cycles-pp.fault_in_iov_iter_readable
0.88 ± 3% -0.3 0.54 ± 11% perf-profile.children.cycles-pp.fault_in_readable
1.46 ± 2% -0.3 1.15 ± 4% perf-profile.children.cycles-pp.xas_load
0.92 -0.3 0.64 ± 8% perf-profile.children.cycles-pp.rw_verify_area
0.89 -0.3 0.61 ± 9% perf-profile.children.cycles-pp.security_file_permission
0.82 -0.3 0.55 ± 9% perf-profile.children.cycles-pp.apparmor_file_permission
0.74 ± 2% -0.2 0.49 ± 15% perf-profile.children.cycles-pp.__fdget_pos
1.06 ± 16% -0.2 0.82 ± 8% perf-profile.children.cycles-pp.__generic_file_write_iter
0.35 ± 3% -0.2 0.17 ± 16% perf-profile.children.cycles-pp.xas_start
0.63 ± 31% -0.2 0.46 ± 8% perf-profile.children.cycles-pp.file_remove_privs_flags
0.66 ± 2% -0.1 0.53 ± 4% perf-profile.children.cycles-pp.syscall_return_via_sysret
0.32 ± 3% -0.1 0.20 ± 10% perf-profile.children.cycles-pp.generic_write_checks
0.26 ± 5% -0.1 0.15 ± 14% perf-profile.children.cycles-pp.generic_write_check_limits
0.30 ± 5% -0.1 0.19 ± 11% perf-profile.children.cycles-pp.syscall_exit_to_user_mode_prepare
0.43 ± 2% -0.1 0.33 ± 8% perf-profile.children.cycles-pp.write@plt
0.22 ± 8% -0.1 0.13 ± 11% perf-profile.children.cycles-pp.aa_file_perm
0.33 ± 5% -0.1 0.26 ± 8% perf-profile.children.cycles-pp.inode_needs_update_time
0.38 ± 5% -0.1 0.31 ± 9% perf-profile.children.cycles-pp.file_update_time
0.22 ± 4% -0.0 0.18 ± 7% perf-profile.children.cycles-pp.up_write
0.22 ± 3% -0.0 0.19 ± 5% perf-profile.children.cycles-pp.__cond_resched
0.18 ± 7% -0.0 0.14 ± 10% perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack
0.12 -0.0 0.09 ± 10% perf-profile.children.cycles-pp.rcu_all_qs
0.06 ± 16% +0.0 0.11 ± 14% perf-profile.children.cycles-pp.__intel_pmu_enable_all
0.07 ± 18% +0.1 0.13 ± 16% perf-profile.children.cycles-pp.perf_rotate_context
0.12 ± 14% +0.1 0.19 ± 13% perf-profile.children.cycles-pp.perf_mux_hrtimer_handler
0.02 ±141% +0.1 0.08 ± 5% perf-profile.children.cycles-pp.ret_from_fork
0.02 ±141% +0.1 0.08 ± 5% perf-profile.children.cycles-pp.ret_from_fork_asm
0.01 ±223% +0.1 0.08 ± 5% perf-profile.children.cycles-pp.kthread
0.41 ± 2% +0.1 0.49 ± 4% perf-profile.children.cycles-pp.folio_mapping
0.62 ± 3% +0.1 0.70 ± 4% perf-profile.children.cycles-pp.syscall_exit_to_user_mode
0.25 ± 4% +0.2 0.44 ± 7% perf-profile.children.cycles-pp.task_mm_cid_work
0.25 ± 4% +0.2 0.45 ± 8% perf-profile.children.cycles-pp.task_work_run
97.71 +0.3 98.00 perf-profile.children.cycles-pp.write
4.01 ± 2% +0.5 4.52 perf-profile.children.cycles-pp.simple_write_begin
3.89 ± 2% +0.5 4.43 perf-profile.children.cycles-pp.__filemap_get_folio
3.53 ± 2% +0.6 4.08 perf-profile.children.cycles-pp.filemap_get_entry
95.82 +0.7 96.53 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
95.74 +0.7 96.46 perf-profile.children.cycles-pp.do_syscall_64
94.42 +0.7 95.17 perf-profile.children.cycles-pp.ksys_write
93.50 +1.0 94.53 perf-profile.children.cycles-pp.vfs_write
90.41 +1.8 92.21 perf-profile.children.cycles-pp.generic_file_write_iter
88.50 +2.3 90.81 perf-profile.children.cycles-pp.generic_perform_write
65.15 +2.5 67.64 perf-profile.children.cycles-pp.copy_page_from_iter_atomic
62.50 +2.7 65.23 perf-profile.children.cycles-pp.rep_movs_alternative
14.51 -0.7 13.80 ± 2% perf-profile.self.cycles-pp.folio_unlock
1.02 ± 5% -0.5 0.57 ± 14% perf-profile.self.cycles-pp.w_test
1.45 ± 3% -0.4 1.02 ± 9% perf-profile.self.cycles-pp.vfs_write
0.84 ± 4% -0.3 0.50 ± 13% perf-profile.self.cycles-pp.fault_in_readable
0.73 ± 3% -0.2 0.49 ± 15% perf-profile.self.cycles-pp.__fdget_pos
2.63 ± 3% -0.2 2.40 perf-profile.self.cycles-pp.copy_page_from_iter_atomic
0.59 ± 3% -0.2 0.41 ± 10% perf-profile.self.cycles-pp.apparmor_file_permission
0.34 ± 3% -0.2 0.17 ± 17% perf-profile.self.cycles-pp.xas_start
0.52 ± 4% -0.1 0.38 ± 8% perf-profile.self.cycles-pp.do_syscall_64
0.66 ± 2% -0.1 0.53 ± 5% perf-profile.self.cycles-pp.syscall_return_via_sysret
0.35 ± 3% -0.1 0.22 ± 8% perf-profile.self.cycles-pp.xas_load
0.25 ± 5% -0.1 0.14 ± 13% perf-profile.self.cycles-pp.generic_write_check_limits
0.30 ± 6% -0.1 0.18 ± 11% perf-profile.self.cycles-pp.syscall_exit_to_user_mode_prepare
0.43 ± 2% -0.1 0.33 ± 8% perf-profile.self.cycles-pp.write@plt
0.53 ± 4% -0.1 0.44 ± 10% perf-profile.self.cycles-pp.write
0.22 ± 7% -0.1 0.13 ± 13% perf-profile.self.cycles-pp.aa_file_perm
0.33 ± 4% -0.1 0.26 ± 6% perf-profile.self.cycles-pp.generic_file_write_iter
0.65 ± 2% -0.1 0.59 perf-profile.self.cycles-pp.folio_mark_dirty
0.12 ± 7% -0.0 0.08 ± 8% perf-profile.self.cycles-pp.simple_write_begin
0.22 ± 4% -0.0 0.18 ± 7% perf-profile.self.cycles-pp.up_write
0.17 ± 9% -0.0 0.13 ± 10% perf-profile.self.cycles-pp.inode_needs_update_time
0.17 ± 6% -0.0 0.13 ± 13% perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack
0.18 ± 5% -0.0 0.15 ± 9% perf-profile.self.cycles-pp.ksys_write
0.11 -0.0 0.08 ± 8% perf-profile.self.cycles-pp.rcu_all_qs
0.06 ± 16% +0.0 0.11 ± 14% perf-profile.self.cycles-pp.__intel_pmu_enable_all
0.10 ± 5% +0.1 0.18 ± 13% perf-profile.self.cycles-pp.folio_mapping
0.76 ± 2% +0.2 0.92 ± 4% perf-profile.self.cycles-pp.generic_perform_write
0.24 ± 3% +0.2 0.43 ± 7% perf-profile.self.cycles-pp.task_mm_cid_work
1.96 ± 2% +0.2 2.19 perf-profile.self.cycles-pp.simple_write_end
2.05 ± 2% +0.9 2.91 ± 2% perf-profile.self.cycles-pp.filemap_get_entry
62.00 +2.6 64.63 perf-profile.self.cycles-pp.rep_movs_alternative
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
Powered by blists - more mailing lists