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Message-ID: <ee1535e9-0a74-a6b5-416c-e04dc691db0c@hisilicon.com>
Date: Mon, 10 May 2021 20:03:22 +0800
From: Shaokun Zhang <zhangshaokun@...ilicon.com>
To: kernel test robot <oliver.sang@...el.com>
CC: 0day robot <lkp@...el.com>,
Alexander Viro <viro@...iv.linux.org.uk>,
LKML <linux-kernel@...r.kernel.org>, <lkp@...ts.01.org>,
<ying.huang@...el.com>, <feng.tang@...el.com>,
<zhengjun.xing@...el.com>, <linux-fsdevel@...r.kernel.org>,
Yuqi Jin <jinyuqi@...wei.com>
Subject: Re: [fs] aec499039e: unixbench.score 19.2% improvement
Hi maintainers,
A gentle ping.
Thanks,
Shaokun
On 2021/4/20 14:10, kernel test robot wrote:
>
>
> Greeting,
>
> FYI, we noticed a 19.2% improvement of unixbench.score due to commit:
>
>
> commit: aec499039e7b21224ef29e5a2daba328aec14442 ("[PATCH] fs: Optimized file struct to improve performance")
> url: https://github.com/0day-ci/linux/commits/Shaokun-Zhang/fs-Optimized-file-struct-to-improve-performance/20210409-114859
> base: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git 5e46d1b78a03d52306f21f77a4e4a144b6d31486
>
> in testcase: unixbench
> on test machine: 96 threads Intel(R) Xeon(R) CPU @ 2.30GHz with 128G memory
> with following parameters:
>
> runtime: 300s
> nr_task: 30%
> test: syscall
> cpufreq_governor: performance
> ucode: 0x4003006
>
> test-description: UnixBench is the original BYTE UNIX benchmark suite aims to test performance of Unix-like system.
> test-url: https://github.com/kdlucas/byte-unixbench
>
>
>
>
>
> Details are as below:
> -------------------------------------------------------------------------------------------------->
>
>
> To reproduce:
>
> git clone https://github.com/intel/lkp-tests.git
> cd lkp-tests
> bin/lkp install job.yaml # job file is attached in this email
> bin/lkp split-job --compatible job.yaml
> bin/lkp run compatible-job.yaml
>
> =========================================================================================
> compiler/cpufreq_governor/kconfig/nr_task/rootfs/runtime/tbox_group/test/testcase/ucode:
> gcc-9/performance/x86_64-rhel-8.3/30%/debian-10.4-x86_64-20200603.cgz/300s/lkp-csl-2sp4/syscall/unixbench/0x4003006
>
> commit:
> 5e46d1b78a ("reiserfs: update reiserfs_xattrs_initialized() condition")
> aec499039e ("fs: Optimized file struct to improve performance")
>
> 5e46d1b78a03d523 aec499039e7b21224ef29e5a2da
> ---------------- ---------------------------
> %stddev %change %stddev
> \ | \
> 2768 +19.2% 3298 unixbench.score
> 176.43 +19.8% 211.43 unixbench.time.user_time
> 1.622e+09 +19.2% 1.933e+09 unixbench.workload
> 348.17 ± 48% -25.2% 260.57 ± 68% proc-vmstat.nr_mlock
> 4081405 ±133% -99.2% 33639 ± 15% turbostat.C1
> 1.348e+10 ± 89% -76.6% 3.151e+09 ±190% cpuidle.C6.time
> 1360129 ±137% -86.4% 184629 ± 2% cpuidle.POLL.time
> 1.00 ± 10% -0.2 0.81 ± 3% mpstat.cpu.all.irq%
> 0.49 +0.1 0.59 mpstat.cpu.all.usr%
> 0.01 ± 23% -36.4% 0.00 ± 13% perf-sched.sch_delay.avg.ms.schedule_timeout.rcu_gp_kthread.kthread.ret_from_fork
> 0.06 ± 43% -48.4% 0.03 ± 42% perf-sched.sch_delay.max.ms.do_task_dead.do_exit.do_group_exit.__x64_sys_exit_group.do_syscall_64
> 0.05 ± 49% -55.1% 0.02 ± 47% perf-sched.sch_delay.max.ms.schedule_hrtimeout_range_clock.ep_poll.do_epoll_wait.__x64_sys_epoll_wait
> 765.20 ± 20% -34.3% 502.83 ± 29% perf-sched.wait_and_delay.avg.ms.schedule_timeout.io_schedule_timeout.wait_for_completion_io.blk_execute_rq
> 1930 ± 13% -31.8% 1316 ± 30% perf-sched.wait_and_delay.max.ms.schedule_timeout.io_schedule_timeout.wait_for_completion_io.blk_execute_rq
> 765.19 ± 20% -34.3% 502.82 ± 29% perf-sched.wait_time.avg.ms.schedule_timeout.io_schedule_timeout.wait_for_completion_io.blk_execute_rq
> 1930 ± 13% -31.8% 1316 ± 30% perf-sched.wait_time.max.ms.schedule_timeout.io_schedule_timeout.wait_for_completion_io.blk_execute_rq
> 2787 ±215% -100.0% 0.71 ±162% interrupts.124:PCI-MSI.31981657-edge.i40e-eth0-TxRx-88
> 385.17 ±128% -99.9% 0.29 ±158% interrupts.61:PCI-MSI.31981594-edge.i40e-eth0-TxRx-25
> 4052 ± 49% -57.3% 1732 ±102% interrupts.CPU27.NMI:Non-maskable_interrupts
> 4052 ± 49% -57.3% 1732 ±102% interrupts.CPU27.PMI:Performance_monitoring_interrupts
> 438.67 ±122% +697.3% 3497 ± 37% interrupts.CPU3.NMI:Non-maskable_interrupts
> 438.67 ±122% +697.3% 3497 ± 37% interrupts.CPU3.PMI:Performance_monitoring_interrupts
> 289.00 ± 84% +1542.3% 4746 ± 24% interrupts.CPU51.NMI:Non-maskable_interrupts
> 289.00 ± 84% +1542.3% 4746 ± 24% interrupts.CPU51.PMI:Performance_monitoring_interrupts
> 135.17 ± 18% -29.9% 94.71 ± 26% interrupts.CPU59.RES:Rescheduling_interrupts
> 4872 ± 27% -48.9% 2490 ± 90% interrupts.CPU74.NMI:Non-maskable_interrupts
> 4872 ± 27% -48.9% 2490 ± 90% interrupts.CPU74.PMI:Performance_monitoring_interrupts
> 2786 ±215% -100.0% 0.43 ±169% interrupts.CPU88.124:PCI-MSI.31981657-edge.i40e-eth0-TxRx-88
> 13.38 ± 7% -13.4 0.00 perf-profile.calltrace.cycles-pp.dnotify_flush.filp_close.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe
> 30.66 ± 9% -6.4 24.27 ± 10% perf-profile.calltrace.cycles-pp.filp_close.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe
> 30.82 ± 9% -6.4 24.46 ± 10% perf-profile.calltrace.cycles-pp.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe
> 7.10 ± 8% -1.3 5.85 ± 11% perf-profile.calltrace.cycles-pp.filp_close.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close
> 7.14 ± 8% -1.2 5.89 ± 11% perf-profile.calltrace.cycles-pp.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close
> 7.18 ± 8% -1.2 5.93 ± 11% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__close
> 7.15 ± 8% -1.2 5.91 ± 11% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close
> 7.27 ± 8% -1.2 6.04 ± 11% perf-profile.calltrace.cycles-pp.__close
> 5.29 ± 8% +5.4 10.68 ± 10% perf-profile.calltrace.cycles-pp.fput_many.filp_close.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe
> 13.39 ± 7% -13.3 0.07 ± 12% perf-profile.children.cycles-pp.dnotify_flush
> 37.79 ± 8% -7.6 30.16 ± 10% perf-profile.children.cycles-pp.filp_close
> 37.97 ± 8% -7.6 30.36 ± 10% perf-profile.children.cycles-pp.__x64_sys_close
> 7.30 ± 8% -1.2 6.07 ± 11% perf-profile.children.cycles-pp.__close
> 0.70 ± 10% -0.1 0.56 ± 10% perf-profile.children.cycles-pp.hrtimer_interrupt
> 0.71 ± 11% -0.1 0.57 ± 10% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt
> 0.39 ± 16% -0.1 0.29 ± 9% perf-profile.children.cycles-pp.__hrtimer_run_queues
> 0.27 ± 13% -0.1 0.22 ± 10% perf-profile.children.cycles-pp.tick_sched_timer
> 5.29 ± 8% +5.4 10.69 ± 10% perf-profile.children.cycles-pp.fput_many
> 13.33 ± 7% -13.3 0.06 ± 11% perf-profile.self.cycles-pp.dnotify_flush
> 5.27 ± 8% +5.4 10.64 ± 10% perf-profile.self.cycles-pp.fput_many
> 17.97 ± 46% -58.2% 7.51 ± 16% perf-stat.i.MPKI
> 1.073e+09 +16.2% 1.247e+09 perf-stat.i.branch-instructions
> 2.60 ± 34% -1.0 1.62 ± 2% perf-stat.i.branch-miss-rate%
> 56435130 ± 26% -31.6% 38588360 ± 21% perf-stat.i.cache-references
> 12.06 ± 3% -15.8% 10.16 perf-stat.i.cpi
> 0.10 ±100% -0.1 0.02 ±202% perf-stat.i.dTLB-load-miss-rate%
> 1.682e+09 +16.9% 1.965e+09 perf-stat.i.dTLB-loads
> 0.03 ± 93% -0.0 0.01 ±142% perf-stat.i.dTLB-store-miss-rate%
> 1.11e+09 +17.5% 1.304e+09 perf-stat.i.dTLB-stores
> 5.314e+09 +16.2% 6.176e+09 perf-stat.i.instructions
> 0.10 ± 11% +18.1% 0.12 ± 2% perf-stat.i.ipc
> 40.93 +16.1% 47.51 perf-stat.i.metric.M/sec
> 89.63 ± 2% +6.5 96.16 perf-stat.i.node-load-miss-rate%
> 3653512 ± 3% -57.3% 1561506 perf-stat.i.node-load-misses
> 371566 ± 19% -90.8% 34031 ± 8% perf-stat.i.node-loads
> 10.59 ± 25% -40.8% 6.27 ± 23% perf-stat.overall.MPKI
> 1.92 ± 8% -0.3 1.61 perf-stat.overall.branch-miss-rate%
> 13.04 -14.2% 11.19 perf-stat.overall.cpi
> 0.02 ± 89% -0.0 0.00 ±148% perf-stat.overall.dTLB-load-miss-rate%
> 0.00 ± 72% -0.0 0.00 ± 69% perf-stat.overall.dTLB-store-miss-rate%
> 318.50 +13.2% 360.58 perf-stat.overall.instructions-per-iTLB-miss
> 0.08 +16.6% 0.09 perf-stat.overall.ipc
> 90.76 ± 2% +7.1 97.87 perf-stat.overall.node-load-miss-rate%
> 1286 -2.7% 1251 perf-stat.overall.path-length
> 1.072e+09 +16.2% 1.246e+09 perf-stat.ps.branch-instructions
> 1.68e+09 +16.9% 1.964e+09 perf-stat.ps.dTLB-loads
> 1.109e+09 +17.6% 1.303e+09 perf-stat.ps.dTLB-stores
> 5.307e+09 +16.3% 6.171e+09 perf-stat.ps.instructions
> 3649615 ± 3% -57.2% 1560409 perf-stat.ps.node-load-misses
> 371135 ± 19% -90.9% 33946 ± 8% perf-stat.ps.node-loads
> 2.086e+12 +16.0% 2.419e+12 perf-stat.total.instructions
> 10629 ± 12% -17.7% 8746 ± 8% softirqs.CPU10.RCU
> 9891 ± 7% -14.6% 8447 ± 9% softirqs.CPU13.RCU
> 43153 ± 3% -7.4% 39975 ± 4% softirqs.CPU30.SCHED
> 9938 ± 6% -12.9% 8660 ± 2% softirqs.CPU33.RCU
> 9900 ± 9% -14.1% 8500 ± 5% softirqs.CPU38.RCU
> 9730 ± 6% -10.3% 8731 ± 7% softirqs.CPU40.RCU
> 10238 ± 8% -15.0% 8703 ± 9% softirqs.CPU44.RCU
> 10045 ± 10% -15.7% 8471 ± 6% softirqs.CPU45.RCU
> 10074 ± 7% -15.4% 8524 ± 6% softirqs.CPU46.RCU
> 9793 ± 6% -12.0% 8617 ± 8% softirqs.CPU49.RCU
> 10809 ± 18% -19.0% 8750 ± 8% softirqs.CPU50.RCU
> 10484 ± 7% -13.3% 9088 ± 10% softirqs.CPU53.RCU
> 10059 ± 7% -13.2% 8732 ± 7% softirqs.CPU54.RCU
> 10298 ± 4% -13.5% 8912 ± 7% softirqs.CPU55.RCU
> 9932 ± 8% -12.4% 8699 ± 5% softirqs.CPU60.RCU
> 10268 ± 9% -17.1% 8514 ± 7% softirqs.CPU61.RCU
> 9895 ± 5% -9.0% 9008 ± 5% softirqs.CPU67.RCU
> 10294 ± 8% -12.0% 9060 ± 5% softirqs.CPU68.RCU
> 11048 ± 14% -17.2% 9152 ± 6% softirqs.CPU69.RCU
> 9586 ± 7% -9.1% 8715 ± 5% softirqs.CPU74.RCU
> 9555 ± 7% -10.1% 8587 ± 5% softirqs.CPU76.RCU
> 9892 ± 10% -14.8% 8425 ± 5% softirqs.CPU80.RCU
> 9722 ± 6% -13.5% 8407 ± 6% softirqs.CPU82.RCU
> 9883 ± 6% -12.7% 8624 ± 4% softirqs.CPU83.RCU
> 9507 ± 5% -9.9% 8567 ± 4% softirqs.CPU84.RCU
> 9878 ± 8% -14.1% 8485 ± 3% softirqs.CPU85.RCU
> 37959 ± 4% -12.9% 33055 ± 6% softirqs.CPU85.SCHED
> 10338 ± 12% -16.6% 8623 ± 4% softirqs.CPU86.RCU
> 9885 ± 8% -14.8% 8423 ± 4% softirqs.CPU87.RCU
> 9934 ± 7% -12.9% 8649 ± 5% softirqs.CPU88.RCU
> 10119 ± 8% -16.0% 8502 ± 5% softirqs.CPU89.RCU
> 9958 ± 7% -13.5% 8612 ± 4% softirqs.CPU92.RCU
> 9917 ± 8% -14.3% 8498 ± 5% softirqs.CPU93.RCU
> 10070 ± 8% -14.3% 8625 ± 6% softirqs.CPU94.RCU
> 10157 ± 11% -11.7% 8967 ± 7% softirqs.CPU95.RCU
> 19377 ± 60% -69.7% 5871 ± 82% softirqs.NET_RX
> 944995 ± 4% -10.5% 845954 ± 6% softirqs.RCU
>
>
>
> unixbench.score
>
> 3400 +--------------------------------------------------------------------+
> 3300 |-+O O O OO OO OO OO |
> |O O OO O O O |
> 3200 |-+ O O O O |
> 3100 |-+ |
> | |
> 3000 |-+ |
> 2900 |-+ |
> 2800 |-+ .+ ++. |
> | +. .++ +.+++.++.++.++.++ :+ +|
> 2700 |+.++. .+ +. +.+ .++.+ + .++ + : + |
> 2600 |-+ ++ + :.+ + ++ + + + |
> | + : + :+ |
> 2500 |-+ + + |
> 2400 +--------------------------------------------------------------------+
>
>
> unixbench.workload
>
> 2e+09 +-----------------------------------------------------------------+
> | O O O OO OO OOO O |
> 1.9e+09 |O+ O OO O O |
> | O O O O O |
> | |
> 1.8e+09 |-+ |
> | |
> 1.7e+09 |-+ |
> | + ++. |
> 1.6e+09 |-+ + + .+ ++ +.+++.++.+++.++.+ :+ +|
> |+.+ + + :+ +.+ .+++ +. +.+ + : + |
> | ++ .+ + + + ++ + + + |
> 1.5e+09 |-+ + + :+ |
> | + |
> 1.4e+09 +-----------------------------------------------------------------+
>
>
> [*] bisect-good sample
> [O] bisect-bad sample
>
>
>
> 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.
>
>
> ---
> 0DAY/LKP+ Test Infrastructure Open Source Technology Center
> https://lists.01.org/hyperkitty/list/lkp@lists.01.org Intel Corporation
>
> Thanks,
> Oliver Sang
>
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