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Message-ID: <20220128080951.GH8421@xsang-OptiPlex-9020>
Date: Fri, 28 Jan 2022 16:09:51 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Chuck Lever <chuck.lever@...cle.com>
Cc: LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org,
lkp@...el.com, ying.huang@...el.com, feng.tang@...el.com,
zhengjun.xing@...ux.intel.com, fengwei.yin@...el.com
Subject: [nfsd] 58f258f652: fsmark.files_per_sec 19.1% improvement
Greeting,
FYI, we noticed a 19.1% improvement of fsmark.files_per_sec due to commit:
commit: 58f258f65267542959487dbe8b5641754411843d ("Revert "nfsd: skip some unnecessary stats in the v4 case"")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
in testcase: fsmark
on test machine: 128 threads 2 sockets Intel(R) Xeon(R) Gold 6338 CPU @ 2.00GHz with 256G memory
with following parameters:
iterations: 1x
nr_threads: 1t
disk: 1BRD_32G
fs: ext4
fs2: nfsv4
filesize: 4K
test_size: 4G
sync_method: fsyncBeforeClose
nr_files_per_directory: 1fpd
cpufreq_governor: performance
ucode: 0xd000280
test-description: The fsmark is a file system benchmark to test synchronous write workloads, for example, mail servers workload.
test-url: https://sourceforge.net/projects/fsmark/
Details are as below:
-------------------------------------------------------------------------------------------------->
To reproduce:
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
sudo bin/lkp install job.yaml # job file is attached in this email
bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run
sudo bin/lkp run generated-yaml-file
# if come across any failure that blocks the test,
# please remove ~/.lkp and /lkp dir to run from a clean state.
=========================================================================================
compiler/cpufreq_governor/disk/filesize/fs2/fs/iterations/kconfig/nr_files_per_directory/nr_threads/rootfs/sync_method/tbox_group/test_size/testcase/ucode:
gcc-9/performance/1BRD_32G/4K/nfsv4/ext4/1x/x86_64-rhel-8.3/1fpd/1t/debian-10.4-x86_64-20200603.cgz/fsyncBeforeClose/lkp-icl-2sp2/4G/fsmark/0xd000280
commit:
75acacb658 ("NFSD: Trace boot verifier resets")
58f258f652 ("Revert "nfsd: skip some unnecessary stats in the v4 case"")
75acacb6583df0b9 58f258f65267542959487dbe8b5
---------------- ---------------------------
%stddev %change %stddev
\ | \
1.209e+08 -23.5% 92419440 fsmark.app_overhead
2281 +19.1% 2717 ± 2% fsmark.files_per_sec
442.46 -16.2% 370.73 fsmark.time.elapsed_time
442.46 -16.2% 370.73 fsmark.time.elapsed_time.max
7262 ± 8% -34.0% 4790 ± 10% fsmark.time.involuntary_context_switches
17.00 -8.8% 15.50 ± 4% fsmark.time.percent_of_cpu_this_job_got
74.23 -26.9% 54.24 ± 2% fsmark.time.system_time
8830009 -27.2% 6429101 fsmark.time.voluntary_context_switches
1.75 -4.9% 1.67 iostat.cpu.system
164443 +18.1% 194248 meminfo.Dirty
214794 +19.1% 255771 vmstat.io.bo
5.651e+10 -16.0% 4.747e+10 cpuidle..time
1.621e+08 -16.8% 1.349e+08 cpuidle..usage
1.619e+08 -16.7% 1.348e+08 turbostat.C1
1.65e+08 -16.7% 1.374e+08 turbostat.IRQ
509.01 -14.1% 437.38 uptime.boot
63539 -14.1% 54572 uptime.idle
3225 -7.3% 2990 proc-vmstat.nr_active_anon
41067 +18.2% 48530 ± 2% proc-vmstat.nr_dirty
11135 +3.0% 11465 proc-vmstat.nr_mapped
11312 +3.2% 11669 proc-vmstat.nr_shmem
3225 -7.3% 2990 proc-vmstat.nr_zone_active_anon
41399 +18.1% 48891 ± 2% proc-vmstat.nr_zone_write_pending
17150642 -14.7% 14624975 proc-vmstat.numa_hit
17034633 -14.8% 14509322 proc-vmstat.numa_local
223090 +25.3% 279492 proc-vmstat.pgactivate
17159178 -14.7% 14631511 proc-vmstat.pgalloc_normal
1448230 -14.1% 1244580 proc-vmstat.pgfault
12629097 -23.3% 9685211 ± 5% proc-vmstat.pgfree
90815 ± 2% -15.7% 76531 ± 2% proc-vmstat.pgreuse
21.10 -6.9% 19.65 ± 2% perf-stat.i.MPKI
1.02e+09 -2.6% 9.934e+08 perf-stat.i.branch-instructions
9952413 ± 4% -28.1% 7159751 ± 14% perf-stat.i.cache-misses
1.031e+08 -8.4% 94438008 perf-stat.i.cache-references
1.90 -3.2% 1.84 perf-stat.i.cpi
8.97e+09 ± 2% -3.9% 8.618e+09 perf-stat.i.cpu-cycles
0.58 +33.5% 0.78 ± 12% perf-stat.i.major-faults
0.07 ± 2% -4.0% 0.07 perf-stat.i.metric.GHz
593.61 +10.8% 657.84 ± 2% perf-stat.i.metric.K/sec
1944012 ± 4% -64.4% 692577 ± 11% perf-stat.i.node-loads
21.53 -7.6% 19.89 ± 2% perf-stat.overall.MPKI
25.04 ± 18% +23.7 48.72 ± 14% perf-stat.overall.node-load-miss-rate%
1.018e+09 -2.7% 9.908e+08 perf-stat.ps.branch-instructions
9960678 ± 4% -28.3% 7144218 ± 14% perf-stat.ps.cache-misses
1.03e+08 -8.5% 94207132 perf-stat.ps.cache-references
8.953e+09 ± 2% -4.0% 8.596e+09 perf-stat.ps.cpu-cycles
0.58 +33.6% 0.78 ± 12% perf-stat.ps.major-faults
1950659 ± 4% -64.5% 692001 ± 12% perf-stat.ps.node-loads
2.135e+12 -17.0% 1.772e+12 perf-stat.total.instructions
59492 ± 17% -28.9% 42324 ± 17% softirqs.CPU1.SCHED
52823 ± 7% -24.5% 39873 ± 18% softirqs.CPU10.SCHED
53022 ± 4% -19.2% 42841 ± 6% softirqs.CPU100.SCHED
53078 ± 5% -21.4% 41695 ± 14% softirqs.CPU103.SCHED
53662 ± 6% -17.8% 44117 ± 6% softirqs.CPU106.SCHED
54529 ± 5% -23.5% 41712 ± 14% softirqs.CPU108.SCHED
54078 ± 7% -29.8% 37978 ± 34% softirqs.CPU109.SCHED
54715 ± 5% -16.0% 45975 ± 10% softirqs.CPU11.SCHED
52936 ± 5% -18.4% 43176 ± 8% softirqs.CPU110.SCHED
54142 ± 6% -21.0% 42761 ± 12% softirqs.CPU111.SCHED
54043 ± 7% -24.0% 41081 ± 26% softirqs.CPU112.SCHED
54822 ± 6% -21.5% 43033 ± 10% softirqs.CPU113.SCHED
53644 ± 4% -15.5% 45355 ± 5% softirqs.CPU114.SCHED
122412 ± 3% -8.1% 112435 ± 2% softirqs.CPU115.RCU
126008 ± 4% -12.6% 110126 ± 3% softirqs.CPU117.RCU
53947 ± 7% -20.8% 42708 ± 18% softirqs.CPU118.SCHED
54875 ± 5% -20.9% 43399 ± 15% softirqs.CPU119.SCHED
126988 ± 2% -10.6% 113580 ± 5% softirqs.CPU121.RCU
131188 ± 3% -11.8% 115717 ± 7% softirqs.CPU122.RCU
53662 ± 5% -16.8% 44668 ± 5% softirqs.CPU122.SCHED
53382 ± 8% -29.1% 37831 ± 35% softirqs.CPU125.SCHED
52686 ± 10% -25.9% 39039 ± 19% softirqs.CPU13.SCHED
55394 ± 7% -15.2% 46952 ± 5% softirqs.CPU15.SCHED
52522 ± 8% -22.2% 40886 ± 7% softirqs.CPU16.SCHED
53382 ± 8% -23.0% 41102 ± 18% softirqs.CPU19.SCHED
53646 ± 3% -24.9% 40269 ± 16% softirqs.CPU23.SCHED
53774 ± 6% -22.0% 41941 ± 16% softirqs.CPU24.SCHED
52294 ± 9% -24.4% 39510 ± 19% softirqs.CPU25.SCHED
54750 ± 11% -24.6% 41308 ± 13% softirqs.CPU26.SCHED
55598 ± 19% -23.2% 42717 ± 8% softirqs.CPU3.SCHED
56395 ± 4% -18.2% 46145 ± 7% softirqs.CPU30.SCHED
55716 ± 4% -18.0% 45674 ± 6% softirqs.CPU31.SCHED
132238 ± 5% -9.2% 120097 ± 4% softirqs.CPU32.RCU
57648 ± 19% -27.8% 41633 ± 11% softirqs.CPU34.SCHED
55387 ± 6% -22.5% 42931 ± 13% softirqs.CPU36.SCHED
53832 ± 8% -20.0% 43063 ± 9% softirqs.CPU37.SCHED
53027 ± 5% -30.7% 36746 ± 29% softirqs.CPU4.SCHED
54748 ± 5% -20.4% 43578 ± 8% softirqs.CPU43.SCHED
55182 ± 6% -24.3% 41761 ± 9% softirqs.CPU50.SCHED
128474 ± 6% -12.2% 112791 ± 5% softirqs.CPU51.RCU
54439 ± 6% -22.0% 42457 ± 9% softirqs.CPU51.SCHED
56458 ± 8% -24.2% 42807 ± 8% softirqs.CPU52.SCHED
54685 ± 6% -21.8% 42737 ± 9% softirqs.CPU53.SCHED
55644 ± 7% -24.4% 42044 ± 10% softirqs.CPU54.SCHED
56221 ± 7% -21.3% 44252 ± 8% softirqs.CPU58.SCHED
60220 ± 15% -28.8% 42871 ± 10% softirqs.CPU59.SCHED
53409 ± 8% -20.0% 42723 ± 12% softirqs.CPU60.SCHED
56008 ± 9% -30.1% 39156 ± 17% softirqs.CPU62.SCHED
53846 ± 7% -30.1% 37652 ± 24% softirqs.CPU64.SCHED
52929 ± 6% -23.8% 40324 ± 28% softirqs.CPU65.SCHED
55383 ± 3% -28.1% 39802 ± 20% softirqs.CPU67.SCHED
53543 ± 4% -23.8% 40807 ± 17% softirqs.CPU69.SCHED
51770 ± 8% -34.7% 33815 ± 38% softirqs.CPU7.SCHED
51708 ± 4% -17.3% 42737 ± 13% softirqs.CPU74.SCHED
53440 ± 5% -15.8% 45011 ± 5% softirqs.CPU75.SCHED
53881 ± 3% -27.2% 39218 ± 16% softirqs.CPU76.SCHED
54875 ± 5% -30.2% 38322 ± 16% softirqs.CPU78.SCHED
53638 ± 4% -26.9% 39235 ± 28% softirqs.CPU79.SCHED
53326 ± 3% -14.6% 45557 ± 6% softirqs.CPU80.SCHED
53754 ± 4% -23.9% 40917 ± 20% softirqs.CPU81.SCHED
52572 ± 6% -17.4% 43432 ± 4% softirqs.CPU83.SCHED
54370 ± 5% -32.6% 36623 ± 31% softirqs.CPU84.SCHED
52428 ± 3% -26.5% 38514 ± 19% softirqs.CPU85.SCHED
54807 ± 5% -20.0% 43831 ± 4% softirqs.CPU87.SCHED
53644 ± 6% -21.8% 41949 ± 19% softirqs.CPU88.SCHED
54565 ± 5% -33.6% 36220 ± 26% softirqs.CPU89.SCHED
52459 ± 8% -25.3% 39192 ± 20% softirqs.CPU91.SCHED
54086 ± 9% -25.3% 40406 ± 28% softirqs.CPU92.SCHED
53091 ± 6% -19.8% 42585 ± 13% softirqs.CPU93.SCHED
54504 ± 4% -20.1% 43538 ± 4% softirqs.CPU94.SCHED
53818 ± 4% -26.3% 39670 ± 29% softirqs.CPU95.SCHED
54631 ± 6% -15.8% 46025 ± 5% softirqs.CPU97.SCHED
53314 ± 4% -16.3% 44650 ± 3% softirqs.CPU98.SCHED
9403319 -22.4% 7299779 softirqs.NET_RX
6823260 ± 4% -19.8% 5471063 ± 5% softirqs.SCHED
316994 ± 2% -11.7% 279761 softirqs.TIMER
2.22 ± 4% -1.4 0.82 ± 11% perf-profile.calltrace.cycles-pp.nfs4_proc_access.nfs_do_access.nfs_permission.inode_permission.link_path_walk
2.20 ± 4% -1.4 0.82 ± 11% perf-profile.calltrace.cycles-pp._nfs4_proc_access.nfs4_proc_access.nfs_do_access.nfs_permission.inode_permission
2.10 ± 4% -1.3 0.78 ± 12% perf-profile.calltrace.cycles-pp.nfs4_do_call_sync._nfs4_proc_access.nfs4_proc_access.nfs_do_access.nfs_permission
2.09 ± 4% -1.3 0.78 ± 12% perf-profile.calltrace.cycles-pp.nfs4_call_sync_custom.nfs4_do_call_sync._nfs4_proc_access.nfs4_proc_access.nfs_do_access
2.08 ± 4% -1.3 0.77 ± 12% perf-profile.calltrace.cycles-pp.rpc_run_task.nfs4_call_sync_custom.nfs4_do_call_sync._nfs4_proc_access.nfs4_proc_access
2.03 ± 4% -1.3 0.76 ± 12% perf-profile.calltrace.cycles-pp.rpc_execute.rpc_run_task.nfs4_call_sync_custom.nfs4_do_call_sync._nfs4_proc_access
3.29 ± 4% -1.0 2.33 ± 9% perf-profile.calltrace.cycles-pp.__rpc_execute.rpc_execute.rpc_run_task.nfs4_call_sync_custom.nfs4_do_call_sync
2.17 ± 6% -0.6 1.56 ± 7% perf-profile.calltrace.cycles-pp.link_path_walk.path_openat.do_filp_open.do_sys_openat2.do_sys_open
1.40 ± 5% -0.6 0.85 ± 11% perf-profile.calltrace.cycles-pp.nfs_do_access.nfs_permission.inode_permission.link_path_walk.path_openat
1.41 ± 5% -0.6 0.86 ± 12% perf-profile.calltrace.cycles-pp.nfs_permission.inode_permission.link_path_walk.path_openat.do_filp_open
1.42 ± 5% -0.5 0.87 ± 11% perf-profile.calltrace.cycles-pp.inode_permission.link_path_walk.path_openat.do_filp_open.do_sys_openat2
1.98 ± 4% -0.5 1.44 ± 8% perf-profile.calltrace.cycles-pp.mkdir
1.93 ± 4% -0.5 1.39 ± 9% perf-profile.calltrace.cycles-pp.do_mkdirat.__x64_sys_mkdir.do_syscall_64.entry_SYSCALL_64_after_hwframe.mkdir
1.95 ± 4% -0.5 1.42 ± 9% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.mkdir
1.94 ± 4% -0.5 1.41 ± 8% perf-profile.calltrace.cycles-pp.__x64_sys_mkdir.do_syscall_64.entry_SYSCALL_64_after_hwframe.mkdir
1.95 ± 4% -0.5 1.42 ± 9% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.mkdir
2.74 ± 7% -0.4 2.31 ± 4% perf-profile.calltrace.cycles-pp.path_openat.do_filp_open.do_sys_openat2.do_sys_open.do_syscall_64
2.78 ± 7% -0.4 2.34 ± 4% perf-profile.calltrace.cycles-pp.do_sys_openat2.do_sys_open.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64
2.74 ± 7% -0.4 2.32 ± 5% perf-profile.calltrace.cycles-pp.do_filp_open.do_sys_openat2.do_sys_open.do_syscall_64.entry_SYSCALL_64_after_hwframe
2.78 ± 7% -0.4 2.36 ± 4% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.open64
2.78 ± 7% -0.4 2.36 ± 4% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64
2.83 ± 7% -0.4 2.40 ± 4% perf-profile.calltrace.cycles-pp.open64
2.78 ± 7% -0.4 2.35 ± 4% perf-profile.calltrace.cycles-pp.do_sys_open.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64
1.55 ± 6% -0.3 1.23 ± 8% perf-profile.calltrace.cycles-pp.xs_stream_data_receive_workfn.process_one_work.worker_thread.kthread.ret_from_fork
1.55 ± 6% -0.3 1.23 ± 8% perf-profile.calltrace.cycles-pp.xs_stream_data_receive.xs_stream_data_receive_workfn.process_one_work.worker_thread.kthread
2.77 ± 8% -0.3 2.50 ± 6% perf-profile.calltrace.cycles-pp.inet6_csk_xmit.__tcp_transmit_skb.tcp_write_xmit.__tcp_push_pending_frames.tcp_sock_set_cork
0.68 ± 6% -0.1 0.61 ± 6% perf-profile.calltrace.cycles-pp.fh_verify.nfsd4_proc_compound.nfsd_dispatch.svc_process_common.svc_process
0.71 ± 8% +0.1 0.80 ± 5% perf-profile.calltrace.cycles-pp.ext4_create.vfs_create.do_nfsd_create.nfsd4_open.nfsd4_proc_compound
0.73 ± 7% +0.1 0.83 ± 5% perf-profile.calltrace.cycles-pp.vfs_create.do_nfsd_create.nfsd4_open.nfsd4_proc_compound.nfsd_dispatch
0.53 ± 3% +0.1 0.64 ± 6% perf-profile.calltrace.cycles-pp.journal_submit_commit_record.jbd2_journal_commit_transaction.kjournald2.kthread.ret_from_fork
0.60 ± 5% +0.2 0.77 ± 2% perf-profile.calltrace.cycles-pp.ext4_getblk.ext4_bread.ext4_append.ext4_init_new_dir.ext4_mkdir
0.60 ± 5% +0.2 0.77 ± 3% perf-profile.calltrace.cycles-pp.ext4_bread.ext4_append.ext4_init_new_dir.ext4_mkdir.vfs_mkdir
0.64 ± 5% +0.2 0.81 ± 3% perf-profile.calltrace.cycles-pp.ext4_init_new_dir.ext4_mkdir.vfs_mkdir.nfsd_create_locked.nfsd4_create
0.61 ± 5% +0.2 0.78 ± 3% perf-profile.calltrace.cycles-pp.ext4_append.ext4_init_new_dir.ext4_mkdir.vfs_mkdir.nfsd_create_locked
0.98 ± 4% +0.2 1.18 ± 16% perf-profile.calltrace.cycles-pp.xs_tcp_send_request.xprt_transmit.call_transmit.__rpc_execute.rpc_async_schedule
1.05 ± 4% +0.2 1.25 ± 15% perf-profile.calltrace.cycles-pp.call_transmit.__rpc_execute.rpc_async_schedule.process_one_work.worker_thread
1.06 ± 8% +0.2 1.26 ± 6% perf-profile.calltrace.cycles-pp.do_nfsd_create.nfsd4_open.nfsd4_proc_compound.nfsd_dispatch.svc_process_common
1.02 ± 4% +0.2 1.23 ± 15% perf-profile.calltrace.cycles-pp.xprt_transmit.call_transmit.__rpc_execute.rpc_async_schedule.process_one_work
1.08 ± 12% +0.2 1.30 ± 8% perf-profile.calltrace.cycles-pp.__submit_bio.submit_bio_noacct.submit_bh_wbc.jbd2_journal_commit_transaction.kjournald2
1.09 ± 12% +0.2 1.32 ± 8% perf-profile.calltrace.cycles-pp.submit_bio_noacct.submit_bh_wbc.jbd2_journal_commit_transaction.kjournald2.kthread
0.35 ± 70% +0.2 0.59 ± 4% perf-profile.calltrace.cycles-pp.__ext4_new_inode.ext4_create.vfs_create.do_nfsd_create.nfsd4_open
1.26 ± 10% +0.3 1.52 ± 5% perf-profile.calltrace.cycles-pp.submit_bh_wbc.jbd2_journal_commit_transaction.kjournald2.kthread.ret_from_fork
1.48 ± 6% +0.3 1.75 ± 3% perf-profile.calltrace.cycles-pp.nfsd4_open.nfsd4_proc_compound.nfsd_dispatch.svc_process_common.svc_process
0.27 ±100% +0.3 0.57 ± 7% perf-profile.calltrace.cycles-pp.__ext4_new_inode.ext4_mkdir.vfs_mkdir.nfsd_create_locked.nfsd4_create
0.26 ±100% +0.3 0.59 ± 7% perf-profile.calltrace.cycles-pp.ext4_dx_add_entry.ext4_add_entry.ext4_mkdir.vfs_mkdir.nfsd_create_locked
0.26 ±100% +0.3 0.60 ± 7% perf-profile.calltrace.cycles-pp.ext4_add_entry.ext4_mkdir.vfs_mkdir.nfsd_create_locked.nfsd4_create
0.70 ± 4% +0.3 1.05 ± 12% perf-profile.calltrace.cycles-pp.rpc_execute.rpc_run_task.nfs4_call_sync_custom.nfs4_do_call_sync.nfs4_do_create
0.75 ± 5% +0.4 1.10 ± 11% perf-profile.calltrace.cycles-pp.nfs4_do_create.nfs4_proc_mkdir.nfs_mkdir.vfs_mkdir.do_mkdirat
0.87 ± 6% +0.4 1.23 ± 11% perf-profile.calltrace.cycles-pp.nfs4_proc_mkdir.nfs_mkdir.vfs_mkdir.do_mkdirat.__x64_sys_mkdir
0.88 ± 6% +0.4 1.24 ± 11% perf-profile.calltrace.cycles-pp.vfs_mkdir.do_mkdirat.__x64_sys_mkdir.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.87 ± 5% +0.4 1.23 ± 11% perf-profile.calltrace.cycles-pp.nfs_mkdir.vfs_mkdir.do_mkdirat.__x64_sys_mkdir.do_syscall_64
0.73 ± 5% +0.4 1.09 ± 11% perf-profile.calltrace.cycles-pp.nfs4_do_call_sync.nfs4_do_create.nfs4_proc_mkdir.nfs_mkdir.vfs_mkdir
0.73 ± 5% +0.4 1.09 ± 11% perf-profile.calltrace.cycles-pp.nfs4_call_sync_custom.nfs4_do_call_sync.nfs4_do_create.nfs4_proc_mkdir.nfs_mkdir
0.72 ± 5% +0.4 1.08 ± 12% perf-profile.calltrace.cycles-pp.rpc_run_task.nfs4_call_sync_custom.nfs4_do_call_sync.nfs4_do_create.nfs4_proc_mkdir
1.71 ± 4% +0.4 2.08 ± 4% perf-profile.calltrace.cycles-pp.ext4_mkdir.vfs_mkdir.nfsd_create_locked.nfsd4_create.nfsd4_proc_compound
1.90 ± 4% +0.4 2.28 ± 16% perf-profile.calltrace.cycles-pp.__rpc_execute.rpc_async_schedule.process_one_work.worker_thread.kthread
1.72 ± 4% +0.4 2.10 ± 5% perf-profile.calltrace.cycles-pp.vfs_mkdir.nfsd_create_locked.nfsd4_create.nfsd4_proc_compound.nfsd_dispatch
0.18 ±141% +0.4 0.57 ± 6% perf-profile.calltrace.cycles-pp.journal_end_buffer_io_sync.end_bio_bh_io_sync.__submit_bio.submit_bio_noacct.submit_bh_wbc
1.94 ± 4% +0.4 2.34 ± 5% perf-profile.calltrace.cycles-pp.nfsd_create_locked.nfsd4_create.nfsd4_proc_compound.nfsd_dispatch.svc_process_common
0.18 ±141% +0.4 0.60 ± 9% perf-profile.calltrace.cycles-pp.generic_perform_write.ext4_buffered_write_iter.do_iter_readv_writev.do_iter_write.nfsd_vfs_write
2.38 ± 6% +0.5 2.88 ± 4% perf-profile.calltrace.cycles-pp.nfsd4_create.nfsd4_proc_compound.nfsd_dispatch.svc_process_common.svc_process
0.00 +0.5 0.54 ± 4% perf-profile.calltrace.cycles-pp.rpc_execute.rpc_run_task.nfs4_call_sync_custom.nfs4_do_call_sync._nfs4_proc_getattr
0.00 +0.6 0.56 ± 4% perf-profile.calltrace.cycles-pp.rpc_run_task.nfs4_call_sync_custom.nfs4_do_call_sync._nfs4_proc_getattr.nfs4_proc_getattr
0.00 +0.6 0.56 ± 4% perf-profile.calltrace.cycles-pp.nfs4_call_sync_custom.nfs4_do_call_sync._nfs4_proc_getattr.nfs4_proc_getattr.__nfs_revalidate_inode
0.00 +0.6 0.56 ± 4% perf-profile.calltrace.cycles-pp.nfs4_do_call_sync._nfs4_proc_getattr.nfs4_proc_getattr.__nfs_revalidate_inode.nfs_check_verifier
0.00 +0.6 0.58 ± 4% perf-profile.calltrace.cycles-pp._nfs4_proc_getattr.nfs4_proc_getattr.__nfs_revalidate_inode.nfs_check_verifier.nfs_do_lookup_revalidate
0.00 +0.6 0.58 ± 4% perf-profile.calltrace.cycles-pp.nfs4_proc_getattr.__nfs_revalidate_inode.nfs_check_verifier.nfs_do_lookup_revalidate.__nfs_lookup_revalidate
0.00 +0.6 0.61 ± 5% perf-profile.calltrace.cycles-pp.__nfs_revalidate_inode.nfs_check_verifier.nfs_do_lookup_revalidate.__nfs_lookup_revalidate.lookup_fast
0.00 +0.6 0.62 ± 6% perf-profile.calltrace.cycles-pp.nfs_check_verifier.nfs_do_lookup_revalidate.__nfs_lookup_revalidate.lookup_fast.walk_component
7.41 ± 5% +0.8 8.22 ± 4% perf-profile.calltrace.cycles-pp.nfsd4_proc_compound.nfsd_dispatch.svc_process_common.svc_process.nfsd
4.14 ± 4% +1.0 5.11 ± 4% perf-profile.calltrace.cycles-pp.jbd2_journal_commit_transaction.kjournald2.kthread.ret_from_fork
4.40 ± 4% +1.0 5.42 ± 4% perf-profile.calltrace.cycles-pp.kjournald2.kthread.ret_from_fork
23.91 ± 3% +1.5 25.42 ± 2% perf-profile.calltrace.cycles-pp.ret_from_fork
23.91 ± 3% +1.5 25.42 ± 2% perf-profile.calltrace.cycles-pp.kthread.ret_from_fork
3.14 ± 5% -1.5 1.64 ± 6% perf-profile.children.cycles-pp.link_path_walk
2.41 ± 5% -1.4 0.96 ± 9% perf-profile.children.cycles-pp.inode_permission
2.30 ± 5% -1.4 0.86 ± 11% perf-profile.children.cycles-pp.nfs_do_access
2.32 ± 4% -1.4 0.88 ± 10% perf-profile.children.cycles-pp.nfs_permission
2.22 ± 4% -1.4 0.82 ± 11% perf-profile.children.cycles-pp.nfs4_proc_access
2.20 ± 4% -1.4 0.82 ± 11% perf-profile.children.cycles-pp._nfs4_proc_access
3.44 ± 4% -1.0 2.43 ± 9% perf-profile.children.cycles-pp.nfs4_call_sync_custom
3.45 ± 4% -1.0 2.44 ± 9% perf-profile.children.cycles-pp.nfs4_do_call_sync
3.68 ± 4% -0.9 2.74 ± 7% perf-profile.children.cycles-pp.rpc_run_task
3.54 ± 4% -0.9 2.61 ± 7% perf-profile.children.cycles-pp.rpc_execute
1.03 ± 5% -0.9 0.13 ± 15% perf-profile.children.cycles-pp.filename_create
0.98 ± 6% -0.9 0.08 ± 17% perf-profile.children.cycles-pp.filename_parentat
0.96 ± 6% -0.9 0.08 ± 20% perf-profile.children.cycles-pp.path_parentat
6.17 ± 4% -0.8 5.36 ± 4% perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
6.16 ± 4% -0.8 5.35 ± 4% perf-profile.children.cycles-pp.do_syscall_64
1.93 ± 4% -0.5 1.39 ± 9% perf-profile.children.cycles-pp.do_mkdirat
1.98 ± 4% -0.5 1.44 ± 8% perf-profile.children.cycles-pp.mkdir
1.94 ± 4% -0.5 1.41 ± 9% perf-profile.children.cycles-pp.__x64_sys_mkdir
4.41 ± 2% -0.5 3.95 ± 6% perf-profile.children.cycles-pp.tcp_sock_set_cork
4.31 ± 2% -0.4 3.88 ± 6% perf-profile.children.cycles-pp.tcp_write_xmit
2.82 ± 7% -0.4 2.40 ± 4% perf-profile.children.cycles-pp.do_sys_openat2
2.83 ± 7% -0.4 2.40 ± 4% perf-profile.children.cycles-pp.open64
2.78 ± 6% -0.4 2.35 ± 5% perf-profile.children.cycles-pp.path_openat
2.82 ± 7% -0.4 2.40 ± 4% perf-profile.children.cycles-pp.do_sys_open
2.79 ± 7% -0.4 2.36 ± 4% perf-profile.children.cycles-pp.do_filp_open
4.35 ± 2% -0.4 3.93 ± 6% perf-profile.children.cycles-pp.__tcp_push_pending_frames
4.01 ± 2% -0.4 3.61 ± 6% perf-profile.children.cycles-pp.__tcp_transmit_skb
3.77 -0.4 3.40 ± 7% perf-profile.children.cycles-pp.inet6_csk_xmit
3.68 -0.4 3.33 ± 7% perf-profile.children.cycles-pp.ip6_xmit
3.58 -0.4 3.23 ± 7% perf-profile.children.cycles-pp.ip6_output
1.55 ± 6% -0.3 1.23 ± 8% perf-profile.children.cycles-pp.xs_stream_data_receive
1.55 ± 6% -0.3 1.24 ± 8% perf-profile.children.cycles-pp.xs_stream_data_receive_workfn
2.21 ± 3% -0.2 2.05 ± 8% perf-profile.children.cycles-pp.try_to_wake_up
1.29 ± 3% -0.2 1.13 ± 14% perf-profile.children.cycles-pp.schedule_idle
1.28 ± 5% -0.1 1.14 ± 9% perf-profile.children.cycles-pp.inet6_recvmsg
0.72 ± 12% -0.1 0.58 ± 8% perf-profile.children.cycles-pp.xs_sock_recvmsg
1.20 ± 5% -0.1 1.06 ± 5% perf-profile.children.cycles-pp.fh_verify
0.59 ± 4% -0.1 0.45 ± 5% perf-profile.children.cycles-pp.rpc_wake_up_task_on_wq_queue_action_locked
0.60 ± 4% -0.1 0.47 ± 4% perf-profile.children.cycles-pp.rpc_wake_up_queued_task
0.35 ± 5% -0.1 0.22 ± 12% perf-profile.children.cycles-pp.__wake_up_bit
0.96 ± 7% -0.1 0.86 ± 3% perf-profile.children.cycles-pp.svc_xprt_do_enqueue
0.74 ± 6% -0.1 0.64 ± 8% perf-profile.children.cycles-pp.nfsd_setuser_and_check_port
0.72 ± 5% -0.1 0.63 ± 7% perf-profile.children.cycles-pp.nfsd_setuser
0.19 ± 12% -0.1 0.10 ± 19% perf-profile.children.cycles-pp.nfsd_access
0.57 ± 6% -0.1 0.50 ± 5% perf-profile.children.cycles-pp.__might_resched
0.44 ± 8% -0.1 0.38 ± 6% perf-profile.children.cycles-pp.out_of_line_wait_on_bit
0.44 ± 8% -0.1 0.38 ± 5% perf-profile.children.cycles-pp.__wait_on_bit
0.26 ± 12% -0.1 0.20 ± 12% perf-profile.children.cycles-pp.tcp_stream_alloc_skb
0.24 ± 12% -0.1 0.19 ± 9% perf-profile.children.cycles-pp.__alloc_skb
0.34 ± 6% -0.1 0.29 ± 3% perf-profile.children.cycles-pp.rpc_wait_bit_killable
0.09 ± 25% -0.0 0.04 ± 73% perf-profile.children.cycles-pp.nfsd_permission
0.44 ± 7% -0.0 0.39 ± 6% perf-profile.children.cycles-pp.nfsd_set_fh_dentry
0.18 ± 13% -0.0 0.14 ± 8% perf-profile.children.cycles-pp.svc_generic_init_request
0.14 ± 9% +0.0 0.18 ± 12% perf-profile.children.cycles-pp.__ext4_get_inode_loc
0.14 ± 8% +0.0 0.18 ± 13% perf-profile.children.cycles-pp.ext4_get_inode_loc
0.09 ± 14% +0.0 0.13 ± 11% perf-profile.children.cycles-pp._nfs4_opendata_to_nfs4_state
0.11 ± 9% +0.0 0.15 ± 10% perf-profile.children.cycles-pp.brd_lookup_page
0.14 ± 17% +0.0 0.18 ± 10% perf-profile.children.cycles-pp.__ext4_handle_dirty_metadata
0.25 ± 4% +0.0 0.29 ± 7% perf-profile.children.cycles-pp.jbd2_journal_write_metadata_buffer
0.10 ± 13% +0.0 0.15 ± 11% perf-profile.children.cycles-pp._raw_write_lock
0.06 ± 13% +0.0 0.10 ± 20% perf-profile.children.cycles-pp.jbd2_journal_switch_revoke_table
0.17 ± 8% +0.0 0.21 ± 13% perf-profile.children.cycles-pp.rpc_async_release
0.16 ± 7% +0.0 0.21 ± 13% perf-profile.children.cycles-pp.nfs_write_completion
0.23 ± 8% +0.0 0.28 ± 8% perf-profile.children.cycles-pp.nfs4_do_close
0.28 ± 5% +0.0 0.32 ± 7% perf-profile.children.cycles-pp.nfs_file_release
0.17 ± 8% +0.1 0.22 ± 8% perf-profile.children.cycles-pp.do_get_write_access
0.27 ± 4% +0.1 0.32 ± 7% perf-profile.children.cycles-pp.__put_nfs_open_context
0.35 ± 5% +0.1 0.40 ± 6% perf-profile.children.cycles-pp.__fput
0.35 ± 7% +0.1 0.40 ± 6% perf-profile.children.cycles-pp.pagecache_get_page
0.34 ± 7% +0.1 0.40 ± 5% perf-profile.children.cycles-pp.__filemap_get_folio
0.34 ± 9% +0.1 0.40 ± 7% perf-profile.children.cycles-pp.__jbd2_log_wait_for_space
0.31 ± 10% +0.1 0.38 ± 6% perf-profile.children.cycles-pp.ext4_find_dest_de
0.21 ± 6% +0.1 0.28 ± 12% perf-profile.children.cycles-pp.rpc_free_task
0.28 ± 14% +0.1 0.36 ± 5% perf-profile.children.cycles-pp.ext4_dirty_inode
0.24 ± 9% +0.1 0.32 ± 12% perf-profile.children.cycles-pp.nfsd4_process_open2
0.39 ± 4% +0.1 0.47 ± 7% perf-profile.children.cycles-pp.brd_do_bvec
0.34 ± 11% +0.1 0.42 ± 3% perf-profile.children.cycles-pp.__mark_inode_dirty
0.27 ± 4% +0.1 0.35 ± 10% perf-profile.children.cycles-pp.jbd2_journal_get_write_access
0.00 +0.1 0.08 ± 26% perf-profile.children.cycles-pp.do_open
0.71 ± 8% +0.1 0.80 ± 5% perf-profile.children.cycles-pp.ext4_create
0.40 ± 10% +0.1 0.50 ± 8% perf-profile.children.cycles-pp.nfs4_atomic_open
0.40 ± 10% +0.1 0.50 ± 8% perf-profile.children.cycles-pp.nfs4_do_open
0.42 ± 5% +0.1 0.52 ± 5% perf-profile.children.cycles-pp.brd_submit_bio
0.34 ± 4% +0.1 0.44 ± 8% perf-profile.children.cycles-pp.__ext4_journal_get_write_access
0.73 ± 7% +0.1 0.83 ± 5% perf-profile.children.cycles-pp.vfs_create
0.48 ± 13% +0.1 0.58 ± 7% perf-profile.children.cycles-pp.journal_end_buffer_io_sync
0.44 ± 3% +0.1 0.54 ± 11% perf-profile.children.cycles-pp.ext4_mb_new_blocks
0.53 ± 8% +0.1 0.63 ± 5% perf-profile.children.cycles-pp.add_dirent_to_buf
0.42 ± 9% +0.1 0.53 ± 8% perf-profile.children.cycles-pp.nfs_atomic_open
0.53 ± 3% +0.1 0.64 ± 6% perf-profile.children.cycles-pp.journal_submit_commit_record
0.48 ± 8% +0.1 0.59 ± 7% perf-profile.children.cycles-pp.ext4_dx_add_entry
0.70 ± 9% +0.1 0.82 ± 6% perf-profile.children.cycles-pp.generic_perform_write
0.48 ± 7% +0.1 0.59 ± 6% perf-profile.children.cycles-pp.jbd2__journal_start
0.49 ± 7% +0.1 0.61 ± 5% perf-profile.children.cycles-pp.__ext4_journal_start_sb
0.47 ± 5% +0.1 0.59 ± 13% perf-profile.children.cycles-pp.jbd2_journal_get_descriptor_buffer
0.63 ± 7% +0.1 0.76 ± 5% perf-profile.children.cycles-pp.ext4_add_entry
1.02 ± 6% +0.1 1.16 ± 5% perf-profile.children.cycles-pp.__ext4_new_inode
0.71 ± 5% +0.2 0.87 ± 7% perf-profile.children.cycles-pp.ext4_ext_map_blocks
0.70 ± 6% +0.2 0.86 ± 5% perf-profile.children.cycles-pp.crc32c_pcl_intel_update
0.61 ± 4% +0.2 0.78 ± 3% perf-profile.children.cycles-pp.ext4_append
0.64 ± 5% +0.2 0.81 ± 3% perf-profile.children.cycles-pp.ext4_init_new_dir
0.71 ± 4% +0.2 0.89 ± 3% perf-profile.children.cycles-pp.ext4_bread
0.73 ± 4% +0.2 0.91 ± 2% perf-profile.children.cycles-pp.ext4_getblk
0.86 ± 5% +0.2 1.05 ± 9% perf-profile.children.cycles-pp.ext4_map_blocks
1.06 ± 8% +0.2 1.26 ± 6% perf-profile.children.cycles-pp.do_nfsd_create
1.48 ± 6% +0.3 1.75 ± 3% perf-profile.children.cycles-pp.nfsd4_open
1.56 ± 10% +0.3 1.85 ± 6% perf-profile.children.cycles-pp.__submit_bio
1.57 ± 10% +0.3 1.87 ± 6% perf-profile.children.cycles-pp.submit_bio_noacct
1.70 ± 9% +0.3 2.04 ± 4% perf-profile.children.cycles-pp.submit_bh_wbc
0.75 ± 5% +0.4 1.10 ± 11% perf-profile.children.cycles-pp.nfs4_do_create
0.87 ± 5% +0.4 1.23 ± 11% perf-profile.children.cycles-pp.nfs4_proc_mkdir
0.87 ± 6% +0.4 1.23 ± 11% perf-profile.children.cycles-pp.nfs_mkdir
1.71 ± 4% +0.4 2.08 ± 4% perf-profile.children.cycles-pp.ext4_mkdir
1.94 ± 4% +0.4 2.34 ± 5% perf-profile.children.cycles-pp.nfsd_create_locked
2.38 ± 6% +0.5 2.88 ± 4% perf-profile.children.cycles-pp.nfsd4_create
0.00 +0.6 0.58 ± 4% perf-profile.children.cycles-pp._nfs4_proc_getattr
0.00 +0.6 0.58 ± 4% perf-profile.children.cycles-pp.nfs4_proc_getattr
0.00 +0.6 0.61 ± 5% perf-profile.children.cycles-pp.__nfs_revalidate_inode
0.00 +0.6 0.62 ± 5% perf-profile.children.cycles-pp.nfs_check_verifier
2.61 ± 3% +0.7 3.34 ± 4% perf-profile.children.cycles-pp.vfs_mkdir
7.42 ± 5% +0.8 8.23 ± 4% perf-profile.children.cycles-pp.nfsd4_proc_compound
4.16 ± 4% +1.0 5.14 ± 4% perf-profile.children.cycles-pp.jbd2_journal_commit_transaction
4.40 ± 4% +1.0 5.42 ± 4% perf-profile.children.cycles-pp.kjournald2
23.91 ± 3% +1.5 25.42 ± 2% perf-profile.children.cycles-pp.kthread
23.91 ± 3% +1.5 25.43 ± 2% perf-profile.children.cycles-pp.ret_from_fork
0.34 ± 11% -0.1 0.27 ± 12% perf-profile.self.cycles-pp.__alloc_pages_bulk
0.11 ± 6% +0.0 0.14 ± 9% perf-profile.self.cycles-pp.__radix_tree_lookup
0.06 ± 13% +0.0 0.10 ± 21% perf-profile.self.cycles-pp.jbd2_journal_switch_revoke_table
0.10 ± 11% +0.0 0.14 ± 12% perf-profile.self.cycles-pp._raw_write_lock
0.43 ± 8% +0.1 0.51 ± 6% perf-profile.self.cycles-pp.unlock_buffer
0.47 ± 13% +0.1 0.56 ± 6% perf-profile.self.cycles-pp.journal_end_buffer_io_sync
0.28 ± 11% +0.1 0.37 ± 9% perf-profile.self.cycles-pp.jbd2_journal_commit_transaction
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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