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Date:   Wed, 12 Aug 2020 17:17:27 +0800
From:   kernel test robot <rong.a.chen@...el.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Kirill Smelkov <kirr@...edi.com>,
        Eic Dumazet <edumazet@...gle.com>,
        Al Viro <viro@...iv.linux.org.uk>,
        Alan Stern <stern@...land.harvard.edu>,
        Marco Elver <elver@...gle.com>,
        Andrea Parri <parri.andrea@...il.com>,
        Paul McKenney <paulmck@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org
Subject: [vfs] 0be0ee7181: netperf.Throughput_tps 3.0% improvement

Greeting,

FYI, we noticed a 3.0% improvement of netperf.Throughput_tps due to commit:


commit: 0be0ee71816b2b6725e2b4f32ad6726c9d729777 ("vfs: properly and reliably lock f_pos in fdget_pos()")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master


in testcase: netperf
on test machine: 16 threads Intel(R) Xeon(R) E-2278G CPU @ 3.40GHz with 32G memory
with following parameters:

	ip: ipv4
	runtime: 300s
	nr_threads: 50%
	cluster: cs-localhost
	test: UDP_RR
	cpufreq_governor: performance
	ucode: 0xd6

test-description: Netperf is a benchmark that can be use to measure various aspect of networking performance.
test-url: http://www.netperf.org/netperf/





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 run     job.yaml

=========================================================================================
cluster/compiler/cpufreq_governor/ip/kconfig/nr_threads/rootfs/runtime/tbox_group/test/testcase/ucode:
  cs-localhost/gcc-9/performance/ipv4/x86_64-rhel-8.3/50%/debian-10.4-x86_64-20200603.cgz/300s/lkp-cfl-e1/UDP_RR/netperf/0xd6

commit: 
  d8e464ecc1 ("vfs: mark pipes and sockets as stream-like file descriptors")
  0be0ee7181 ("vfs: properly and reliably lock f_pos in fdget_pos()")

d8e464ecc17b4444 0be0ee71816b2b6725e2b4f32ad 
---------------- --------------------------- 
         %stddev     %change         %stddev
             \          |                \  
    863649            +3.0%     889801        netperf.Throughput_total_tps
    107956            +3.0%     111225        netperf.Throughput_tps
     60.93            +7.2%      65.30 ±  2%  netperf.time.user_time
 2.591e+08            +3.0%  2.669e+08        netperf.time.voluntary_context_switches
 2.591e+08            +3.0%  2.669e+08        netperf.workload
   3407622            +3.0%    3510829        vmstat.system.cs
     55647 ±  9%     +30.6%      72702 ±  7%  sched_debug.cpu.avg_idle.avg
      1.79 ±  7%     -16.3%       1.50 ±  7%  sched_debug.cpu.nr_running.max
     37625 ±  4%      +6.8%      40188 ±  2%  slabinfo.vm_area_struct.active_objs
     37657 ±  4%      +6.8%      40221 ±  2%  slabinfo.vm_area_struct.num_objs
    737.50            -1.6%     726.00        proc-vmstat.nr_page_table_pages
      6418 ±  2%      +3.3%       6632        proc-vmstat.nr_shmem
      7186 ±  3%      +6.4%       7643 ±  2%  proc-vmstat.pgactivate
     32091 ±  4%     -53.1%      15050 ± 50%  cpuidle.C1E.usage
    416466 ± 11%   +1676.3%    7397759 ± 61%  cpuidle.C3.time
      1866 ± 51%   +2561.5%      49677 ± 50%  cpuidle.C3.usage
  13374705 ± 27%     -96.0%     532246 ± 22%  cpuidle.C8.time
     14370 ± 26%     -96.1%     566.75 ± 22%  cpuidle.C8.usage
    824.75 ± 44%   +2081.8%      17994 ± 36%  interrupts.132:IR-PCI-MSI.2097153-edge.eth1-TxRx-0
     88.25 ± 18%     -30.6%      61.25 ± 33%  interrupts.CPU0.CAL:Function_call_interrupts
      3558 ±  7%     +47.0%       5231 ± 25%  interrupts.CPU0.RES:Rescheduling_interrupts
    824.75 ± 44%   +2081.8%      17994 ± 36%  interrupts.CPU1.132:IR-PCI-MSI.2097153-edge.eth1-TxRx-0
      3608 ±  9%     +71.4%       6185 ± 34%  interrupts.CPU1.RES:Rescheduling_interrupts
      3215 ±  7%     +52.4%       4899 ± 32%  interrupts.CPU10.RES:Rescheduling_interrupts
      3925 ±  2%     +43.6%       5638 ± 16%  interrupts.CPU11.RES:Rescheduling_interrupts
      3293 ±  5%     +47.8%       4868 ± 30%  interrupts.CPU13.RES:Rescheduling_interrupts
      3122 ±  3%     +54.3%       4816 ± 32%  interrupts.CPU14.RES:Rescheduling_interrupts
      3224 ±  7%     +52.7%       4922 ± 30%  interrupts.CPU15.RES:Rescheduling_interrupts
      4584 ±  3%     +36.2%       6244 ± 14%  interrupts.CPU3.RES:Rescheduling_interrupts
      4141 ±  9%     +35.3%       5601 ± 20%  interrupts.CPU4.RES:Rescheduling_interrupts
      3383 ±  7%     +44.8%       4898 ± 30%  interrupts.CPU5.RES:Rescheduling_interrupts
    112.50 ± 26%     -31.8%      76.75 ± 14%  interrupts.CPU7.CAL:Function_call_interrupts
      3530 ±  5%     +43.8%       5077 ± 26%  interrupts.CPU7.RES:Rescheduling_interrupts
      3286 ±  7%     +45.1%       4770 ± 33%  interrupts.CPU8.RES:Rescheduling_interrupts
      3105 ±  6%     +52.3%       4729 ± 34%  interrupts.CPU9.RES:Rescheduling_interrupts
     59039 ±  6%     +42.0%      83820 ± 26%  interrupts.RES:Rescheduling_interrupts
     94.11 ±  3%      -7.6%      86.98        perf-stat.i.MPKI
 5.753e+09            +2.8%  5.917e+09        perf-stat.i.branch-instructions
      1.87            +0.0        1.92        perf-stat.i.branch-miss-rate%
 1.068e+08            +5.6%  1.128e+08        perf-stat.i.branch-misses
      0.08 ±  5%      +0.0        0.09 ±  3%  perf-stat.i.cache-miss-rate%
 2.695e+09 ±  2%      -4.9%  2.564e+09        perf-stat.i.cache-references
   3431432            +3.0%    3535370        perf-stat.i.context-switches
      2.13            -2.8%       2.07        perf-stat.i.cpi
 8.248e+09            +3.0%  8.492e+09        perf-stat.i.dTLB-loads
      0.00 ±  6%      -0.0        0.00 ±  9%  perf-stat.i.dTLB-store-miss-rate%
     23161 ±  7%     -32.9%      15547        perf-stat.i.dTLB-store-misses
  4.99e+09            +3.0%  5.139e+09        perf-stat.i.dTLB-stores
     87.07            +2.0       89.10        perf-stat.i.iTLB-load-miss-rate%
  47009128           +14.3%   53717099        perf-stat.i.iTLB-load-misses
 2.857e+10            +2.9%  2.941e+10        perf-stat.i.instructions
    692.82           -12.8%     604.01        perf-stat.i.instructions-per-iTLB-miss
      0.47            +2.8%       0.49        perf-stat.i.ipc
      0.94 ± 12%     +59.3%       1.49        perf-stat.i.metric.K/sec
      1356            +2.0%       1382        perf-stat.i.metric.M/sec
     94.34 ±  3%      -7.6%      87.20        perf-stat.overall.MPKI
      1.86            +0.1        1.91        perf-stat.overall.branch-miss-rate%
      0.01 ±  2%      +0.0        0.01 ±  2%  perf-stat.overall.cache-miss-rate%
      2.13            -2.8%       2.07        perf-stat.overall.cpi
      0.00 ±  7%      -0.0        0.00 ±  2%  perf-stat.overall.dTLB-store-miss-rate%
     87.15            +2.0       89.14        perf-stat.overall.iTLB-load-miss-rate%
    607.94            -9.9%     547.59        perf-stat.overall.instructions-per-iTLB-miss
      0.47            +2.8%       0.48        perf-stat.overall.ipc
      0.00 ± 17%      -0.0        0.00 ± 33%  perf-stat.overall.node-store-miss-rate%
 5.734e+09            +2.8%  5.897e+09        perf-stat.ps.branch-instructions
 1.064e+08            +5.6%  1.124e+08        perf-stat.ps.branch-misses
 2.686e+09 ±  2%      -4.9%  2.556e+09        perf-stat.ps.cache-references
   3419895            +3.0%    3523472        perf-stat.ps.context-switches
  8.22e+09            +3.0%  8.464e+09        perf-stat.ps.dTLB-loads
     23095 ±  7%     -32.8%      15523        perf-stat.ps.dTLB-store-misses
 4.973e+09            +3.0%  5.122e+09        perf-stat.ps.dTLB-stores
  46851194           +14.3%   53536737        perf-stat.ps.iTLB-load-misses
 2.848e+10            +2.9%  2.932e+10        perf-stat.ps.instructions
 8.605e+12            +2.8%  8.844e+12        perf-stat.total.instructions
     33.77            -1.3       32.45        perf-profile.calltrace.cycles-pp.sock_sendmsg.__sys_sendto.__x64_sys_sendto.do_syscall_64.entry_SYSCALL_64_after_hwframe
     32.93            -1.3       31.66        perf-profile.calltrace.cycles-pp.udp_sendmsg.sock_sendmsg.__sys_sendto.__x64_sys_sendto.do_syscall_64
     34.88            -1.0       33.90        perf-profile.calltrace.cycles-pp.__sys_sendto.__x64_sys_sendto.do_syscall_64.entry_SYSCALL_64_after_hwframe
     35.02            -1.0       34.04        perf-profile.calltrace.cycles-pp.__x64_sys_sendto.do_syscall_64.entry_SYSCALL_64_after_hwframe
     22.12            -0.9       21.25        perf-profile.calltrace.cycles-pp.ip_send_skb.udp_send_skb.udp_sendmsg.sock_sendmsg.__sys_sendto
     22.43            -0.9       21.58        perf-profile.calltrace.cycles-pp.udp_send_skb.udp_sendmsg.sock_sendmsg.__sys_sendto.__x64_sys_sendto
     21.59            -0.8       20.76        perf-profile.calltrace.cycles-pp.ip_output.ip_send_skb.udp_send_skb.udp_sendmsg.sock_sendmsg
     19.99            -0.7       19.32        perf-profile.calltrace.cycles-pp.ip_finish_output2.ip_output.ip_send_skb.udp_send_skb.udp_sendmsg
     13.47            -0.6       12.83        perf-profile.calltrace.cycles-pp.__netif_receive_skb_one_core.process_backlog.net_rx_action.__softirqentry_text_start.do_softirq_own_stack
     15.55            -0.6       14.93        perf-profile.calltrace.cycles-pp.__softirqentry_text_start.do_softirq_own_stack.do_softirq.__local_bh_enable_ip.ip_finish_output2
     14.20            -0.6       13.59        perf-profile.calltrace.cycles-pp.process_backlog.net_rx_action.__softirqentry_text_start.do_softirq_own_stack.do_softirq
     12.74            -0.6       12.13        perf-profile.calltrace.cycles-pp.ip_rcv.__netif_receive_skb_one_core.process_backlog.net_rx_action.__softirqentry_text_start
     14.69            -0.6       14.09        perf-profile.calltrace.cycles-pp.net_rx_action.__softirqentry_text_start.do_softirq_own_stack.do_softirq.__local_bh_enable_ip
     16.00            -0.6       15.42        perf-profile.calltrace.cycles-pp.do_softirq.__local_bh_enable_ip.ip_finish_output2.ip_output.ip_send_skb
     15.63            -0.6       15.07        perf-profile.calltrace.cycles-pp.do_softirq_own_stack.do_softirq.__local_bh_enable_ip.ip_finish_output2.ip_output
     16.15            -0.6       15.60        perf-profile.calltrace.cycles-pp.__local_bh_enable_ip.ip_finish_output2.ip_output.ip_send_skb.udp_send_skb
     10.69            -0.5       10.20        perf-profile.calltrace.cycles-pp.udp_unicast_rcv_skb.__udp4_lib_rcv.ip_protocol_deliver_rcu.ip_local_deliver_finish.ip_local_deliver
     10.50            -0.5       10.01        perf-profile.calltrace.cycles-pp.udp_queue_rcv_one_skb.udp_unicast_rcv_skb.__udp4_lib_rcv.ip_protocol_deliver_rcu.ip_local_deliver_finish
     11.82            -0.5       11.37        perf-profile.calltrace.cycles-pp.ip_protocol_deliver_rcu.ip_local_deliver_finish.ip_local_deliver.ip_rcv.__netif_receive_skb_one_core
      4.93            -0.4        4.48        perf-profile.calltrace.cycles-pp.__ip_append_data.ip_make_skb.udp_sendmsg.sock_sendmsg.__sys_sendto
     12.10            -0.4       11.67        perf-profile.calltrace.cycles-pp.ip_local_deliver.ip_rcv.__netif_receive_skb_one_core.process_backlog.net_rx_action
     53.15            -0.4       52.73        perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe
     53.56            -0.4       53.13        perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe
     11.53            -0.4       11.12        perf-profile.calltrace.cycles-pp.__udp4_lib_rcv.ip_protocol_deliver_rcu.ip_local_deliver_finish.ip_local_deliver.ip_rcv
     11.89            -0.4       11.51        perf-profile.calltrace.cycles-pp.ip_local_deliver_finish.ip_local_deliver.ip_rcv.__netif_receive_skb_one_core.process_backlog
      9.49            -0.4        9.13        perf-profile.calltrace.cycles-pp.__udp_enqueue_schedule_skb.udp_queue_rcv_one_skb.udp_unicast_rcv_skb.__udp4_lib_rcv.ip_protocol_deliver_rcu
      7.77            -0.3        7.47        perf-profile.calltrace.cycles-pp.autoremove_wake_function.__wake_up_common.__wake_up_common_lock.sock_def_readable.__udp_enqueue_schedule_skb
      8.83            -0.3        8.53        perf-profile.calltrace.cycles-pp.sock_def_readable.__udp_enqueue_schedule_skb.udp_queue_rcv_one_skb.udp_unicast_rcv_skb.__udp4_lib_rcv
      6.86            -0.3        6.56        perf-profile.calltrace.cycles-pp.ip_make_skb.udp_sendmsg.sock_sendmsg.__sys_sendto.__x64_sys_sendto
      8.52            -0.3        8.23        perf-profile.calltrace.cycles-pp.__wake_up_common_lock.sock_def_readable.__udp_enqueue_schedule_skb.udp_queue_rcv_one_skb.udp_unicast_rcv_skb
      7.61            -0.3        7.32        perf-profile.calltrace.cycles-pp.try_to_wake_up.autoremove_wake_function.__wake_up_common.__wake_up_common_lock.sock_def_readable
      7.99            -0.3        7.70        perf-profile.calltrace.cycles-pp.__wake_up_common.__wake_up_common_lock.sock_def_readable.__udp_enqueue_schedule_skb.udp_queue_rcv_one_skb
      2.90            -0.2        2.68 ±  2%  perf-profile.calltrace.cycles-pp.sock_alloc_send_pskb.__ip_append_data.ip_make_skb.udp_sendmsg.sock_sendmsg
      0.76 ±  2%      -0.2        0.56 ±  8%  perf-profile.calltrace.cycles-pp.validate_xmit_skb.__dev_queue_xmit.ip_finish_output2.ip_output.ip_send_skb
      0.85 ±  2%      -0.2        0.68 ±  4%  perf-profile.calltrace.cycles-pp._copy_from_iter_full.ip_generic_getfrag.__ip_append_data.ip_make_skb.udp_sendmsg
      3.23            -0.2        3.08        perf-profile.calltrace.cycles-pp.__dev_queue_xmit.ip_finish_output2.ip_output.ip_send_skb.udp_send_skb
      1.29            -0.1        1.17 ±  2%  perf-profile.calltrace.cycles-pp.ip_generic_getfrag.__ip_append_data.ip_make_skb.udp_sendmsg.sock_sendmsg
      1.03            -0.1        0.98        perf-profile.calltrace.cycles-pp._copy_to_iter.udp_recvmsg.inet_recvmsg.__sys_recvfrom.__x64_sys_recvfrom
      1.38 ±  2%      -0.1        1.33        perf-profile.calltrace.cycles-pp.select_task_rq_fair.try_to_wake_up.autoremove_wake_function.__wake_up_common.__wake_up_common_lock
      0.66            -0.0        0.61        perf-profile.calltrace.cycles-pp.__check_object_size.udp_recvmsg.inet_recvmsg.__sys_recvfrom.__x64_sys_recvfrom
      0.55            +0.0        0.58        perf-profile.calltrace.cycles-pp.check_preempt_curr.ttwu_do_wakeup.try_to_wake_up.autoremove_wake_function.__wake_up_common
      0.78            +0.1        0.83 ±  3%  perf-profile.calltrace.cycles-pp.__kmalloc_reserve.__alloc_skb.alloc_skb_with_frags.sock_alloc_send_pskb.__ip_append_data
      0.69 ±  5%      +0.1        0.74        perf-profile.calltrace.cycles-pp.select_idle_sibling.select_task_rq_fair.try_to_wake_up.autoremove_wake_function.__wake_up_common
      0.54 ±  2%      +0.1        0.61 ±  4%  perf-profile.calltrace.cycles-pp.enqueue_to_backlog.netif_rx_internal.netif_rx.loopback_xmit.dev_hard_start_xmit
      0.94 ±  2%      +0.1        1.03        perf-profile.calltrace.cycles-pp.move_addr_to_user.__sys_recvfrom.__x64_sys_recvfrom.do_syscall_64.entry_SYSCALL_64_after_hwframe
      0.73 ±  3%      +0.1        0.83        perf-profile.calltrace.cycles-pp.__consume_stateless_skb.udp_recvmsg.inet_recvmsg.__sys_recvfrom.__x64_sys_recvfrom
      1.75            +0.1        1.87 ±  2%  perf-profile.calltrace.cycles-pp.loopback_xmit.dev_hard_start_xmit.__dev_queue_xmit.ip_finish_output2.ip_output
      1.86            +0.1        1.99 ±  2%  perf-profile.calltrace.cycles-pp.dev_hard_start_xmit.__dev_queue_xmit.ip_finish_output2.ip_output.ip_send_skb
      0.88 ±  3%      +0.1        1.02 ±  2%  perf-profile.calltrace.cycles-pp.netif_rx_internal.netif_rx.loopback_xmit.dev_hard_start_xmit.__dev_queue_xmit
      7.71            +0.2        7.87        perf-profile.calltrace.cycles-pp.schedule.schedule_timeout.__skb_wait_for_more_packets.__skb_recv_udp.udp_recvmsg
      0.89 ±  2%      +0.2        1.05 ±  2%  perf-profile.calltrace.cycles-pp.netif_rx.loopback_xmit.dev_hard_start_xmit.__dev_queue_xmit.ip_finish_output2
      1.59            +0.2        1.76        perf-profile.calltrace.cycles-pp.__ip_make_skb.ip_make_skb.udp_sendmsg.sock_sendmsg.__sys_sendto
     10.88            +0.3       11.15        perf-profile.calltrace.cycles-pp.__skb_recv_udp.udp_recvmsg.inet_recvmsg.__sys_recvfrom.__x64_sys_recvfrom
     43.59            +0.3       43.93        perf-profile.calltrace.cycles-pp.secondary_startup_64
     17.36            +0.5       17.82        perf-profile.calltrace.cycles-pp.__sys_recvfrom.__x64_sys_recvfrom.do_syscall_64.entry_SYSCALL_64_after_hwframe
     17.50            +0.5       17.97        perf-profile.calltrace.cycles-pp.__x64_sys_recvfrom.do_syscall_64.entry_SYSCALL_64_after_hwframe
     15.08            +0.5       15.57        perf-profile.calltrace.cycles-pp.udp_recvmsg.inet_recvmsg.__sys_recvfrom.__x64_sys_recvfrom.do_syscall_64
     15.32            +0.5       15.84        perf-profile.calltrace.cycles-pp.inet_recvmsg.__sys_recvfrom.__x64_sys_recvfrom.do_syscall_64.entry_SYSCALL_64_after_hwframe
      0.00            +0.6        0.57 ±  4%  perf-profile.calltrace.cycles-pp.kmem_cache_alloc_node.__alloc_skb.alloc_skb_with_frags.sock_alloc_send_pskb.__ip_append_data
     22.65            +0.7       23.32        perf-profile.calltrace.cycles-pp.poll_idle.cpuidle_enter_state.cpuidle_enter.do_idle.cpu_startup_entry
     28.04            +1.0       29.05        perf-profile.calltrace.cycles-pp.cpuidle_enter.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64
     27.99            +1.0       29.02        perf-profile.calltrace.cycles-pp.cpuidle_enter_state.cpuidle_enter.do_idle.cpu_startup_entry.start_secondary
     33.79            -1.3       32.46        perf-profile.children.cycles-pp.sock_sendmsg
     32.97            -1.3       31.69        perf-profile.children.cycles-pp.udp_sendmsg
     35.03            -1.0       34.05        perf-profile.children.cycles-pp.__x64_sys_sendto
     34.89            -1.0       33.91        perf-profile.children.cycles-pp.__sys_sendto
     22.13            -0.9       21.26        perf-profile.children.cycles-pp.ip_send_skb
     22.44            -0.9       21.58        perf-profile.children.cycles-pp.udp_send_skb
     21.59            -0.8       20.78        perf-profile.children.cycles-pp.ip_output
     20.00            -0.7       19.34        perf-profile.children.cycles-pp.ip_finish_output2
     13.49            -0.6       12.84        perf-profile.children.cycles-pp.__netif_receive_skb_one_core
     12.76            -0.6       12.14        perf-profile.children.cycles-pp.ip_rcv
     15.60            -0.6       14.98        perf-profile.children.cycles-pp.__softirqentry_text_start
     14.21            -0.6       13.60        perf-profile.children.cycles-pp.process_backlog
     14.70            -0.6       14.10        perf-profile.children.cycles-pp.net_rx_action
     16.01            -0.6       15.43        perf-profile.children.cycles-pp.do_softirq
     15.65            -0.6       15.08        perf-profile.children.cycles-pp.do_softirq_own_stack
     16.37            -0.5       15.86        perf-profile.children.cycles-pp.__local_bh_enable_ip
     10.53            -0.5       10.03        perf-profile.children.cycles-pp.udp_queue_rcv_one_skb
     10.69            -0.5       10.20        perf-profile.children.cycles-pp.udp_unicast_rcv_skb
     11.84            -0.5       11.39        perf-profile.children.cycles-pp.ip_protocol_deliver_rcu
      4.94            -0.5        4.49        perf-profile.children.cycles-pp.__ip_append_data
     53.23            -0.4       52.79        perf-profile.children.cycles-pp.do_syscall_64
     53.59            -0.4       53.17        perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
     11.55            -0.4       11.14        perf-profile.children.cycles-pp.__udp4_lib_rcv
     12.11            -0.4       11.70        perf-profile.children.cycles-pp.ip_local_deliver
     11.89            -0.4       11.52        perf-profile.children.cycles-pp.ip_local_deliver_finish
      9.50            -0.4        9.13        perf-profile.children.cycles-pp.__udp_enqueue_schedule_skb
      8.84            -0.3        8.53        perf-profile.children.cycles-pp.sock_def_readable
      7.78            -0.3        7.47        perf-profile.children.cycles-pp.autoremove_wake_function
      6.88            -0.3        6.58        perf-profile.children.cycles-pp.ip_make_skb
      7.62            -0.3        7.33        perf-profile.children.cycles-pp.try_to_wake_up
      8.52            -0.3        8.23        perf-profile.children.cycles-pp.__wake_up_common_lock
      7.99            -0.3        7.71        perf-profile.children.cycles-pp.__wake_up_common
      0.79 ±  2%      -0.2        0.57 ±  8%  perf-profile.children.cycles-pp.validate_xmit_skb
      2.90            -0.2        2.69 ±  2%  perf-profile.children.cycles-pp.sock_alloc_send_pskb
      0.88 ±  2%      -0.2        0.70 ±  4%  perf-profile.children.cycles-pp._copy_from_iter_full
      3.26            -0.2        3.09        perf-profile.children.cycles-pp.__dev_queue_xmit
      0.48 ±  5%      -0.1        0.33 ±  5%  perf-profile.children.cycles-pp.sock_recvmsg
      0.42 ±  3%      -0.1        0.28 ±  9%  perf-profile.children.cycles-pp.nf_hook_slow
      0.44 ±  6%      -0.1        0.30 ±  6%  perf-profile.children.cycles-pp.security_socket_recvmsg
      0.16 ±  9%      -0.1        0.03 ±100%  perf-profile.children.cycles-pp.netdev_core_pick_tx
      1.30            -0.1        1.17 ±  2%  perf-profile.children.cycles-pp.ip_generic_getfrag
      0.65            -0.1        0.52 ±  2%  perf-profile.children.cycles-pp.aa_sk_perm
      0.29 ±  6%      -0.1        0.17 ±  5%  perf-profile.children.cycles-pp.ip_rcv_finish
      0.29 ±  3%      -0.1        0.17 ±  2%  perf-profile.children.cycles-pp.rb_next
      0.22 ± 11%      -0.1        0.11 ± 14%  perf-profile.children.cycles-pp.xfrm_lookup_with_ifid
      0.23 ± 11%      -0.1        0.13 ± 14%  perf-profile.children.cycles-pp.xfrm_lookup_route
      0.37 ±  3%      -0.1        0.27 ±  5%  perf-profile.children.cycles-pp.copyin
      0.13 ±  5%      -0.1        0.03 ±100%  perf-profile.children.cycles-pp.cpuidle_not_available
      0.40 ±  4%      -0.1        0.30        perf-profile.children.cycles-pp.__ip_local_out
      3.82            -0.1        3.73        perf-profile.children.cycles-pp.ttwu_do_activate
      3.76            -0.1        3.68        perf-profile.children.cycles-pp.activate_task
      0.20 ±  7%      -0.1        0.11 ±  9%  perf-profile.children.cycles-pp.pm_qos_request
      0.44 ±  2%      -0.1        0.35 ±  9%  perf-profile.children.cycles-pp.__ksize
      0.23 ±  8%      -0.1        0.15 ±  8%  perf-profile.children.cycles-pp.rcu_qs
      0.39 ±  4%      -0.1        0.31 ± 10%  perf-profile.children.cycles-pp.__ip_finish_output
      0.27 ±  6%      -0.1        0.19 ±  7%  perf-profile.children.cycles-pp.rcu_note_context_switch
      0.28 ±  8%      -0.1        0.21 ±  2%  perf-profile.children.cycles-pp.__hrtimer_next_event_base
      0.17 ±  7%      -0.1        0.10 ±  4%  perf-profile.children.cycles-pp.ip_rcv_finish_core
      0.11 ±  4%      -0.1        0.05 ± 58%  perf-profile.children.cycles-pp.apparmor_ip_postroute
      0.21 ±  6%      -0.1        0.15 ±  3%  perf-profile.children.cycles-pp.ipv4_pktinfo_prepare
      0.14 ± 20%      -0.1        0.08 ± 34%  perf-profile.children.cycles-pp.tick_check_broadcast_expired
      0.43 ±  5%      -0.1        0.36 ±  2%  perf-profile.children.cycles-pp.ip_local_out
      0.13 ± 16%      -0.1        0.07 ± 12%  perf-profile.children.cycles-pp.tick_nohz_idle_got_tick
      0.45 ±  6%      -0.1        0.39 ±  4%  perf-profile.children.cycles-pp.security_socket_sendmsg
      0.23 ±  3%      -0.1        0.17 ± 10%  perf-profile.children.cycles-pp.account_entity_dequeue
      0.11 ±  7%      -0.1        0.06 ± 15%  perf-profile.children.cycles-pp.skb_clone_tx_timestamp
      0.51 ±  5%      -0.1        0.46        perf-profile.children.cycles-pp.irqtime_account_irq
      1.05            -0.0        1.00        perf-profile.children.cycles-pp._copy_to_iter
      0.14 ±  8%      -0.0        0.09 ± 21%  perf-profile.children.cycles-pp.apparmor_ipv4_postroute
      0.14 ±  5%      -0.0        0.10 ± 11%  perf-profile.children.cycles-pp.raw_local_deliver
      0.10 ±  8%      -0.0        0.05 ±  9%  perf-profile.children.cycles-pp.__sk_mem_raise_allocated
      0.25 ±  5%      -0.0        0.21 ±  5%  perf-profile.children.cycles-pp.security_sock_rcv_skb
      0.43            -0.0        0.39 ±  3%  perf-profile.children.cycles-pp.account_entity_enqueue
      0.24 ±  5%      -0.0        0.21 ±  5%  perf-profile.children.cycles-pp.menu_reflect
      0.17 ±  4%      -0.0        0.14 ±  3%  perf-profile.children.cycles-pp.ip_rcv_core
      0.08 ± 10%      -0.0        0.06 ±  7%  perf-profile.children.cycles-pp.skb_pull_rcsum
      0.12 ±  4%      -0.0        0.10 ±  7%  perf-profile.children.cycles-pp.deactivate_task
      0.17 ±  2%      -0.0        0.15 ±  5%  perf-profile.children.cycles-pp.update_irq_load_avg
      0.10 ± 11%      -0.0        0.07 ± 15%  perf-profile.children.cycles-pp.skb_network_protocol
      0.15            -0.0        0.14 ±  3%  perf-profile.children.cycles-pp.dst_release
      0.08 ±  5%      +0.0        0.10 ±  5%  perf-profile.children.cycles-pp.pm_qos_read_value
      0.15            +0.0        0.17 ±  2%  perf-profile.children.cycles-pp.__calc_delta
      0.15 ±  5%      +0.0        0.17 ±  2%  perf-profile.children.cycles-pp.ip4_datagram_release_cb
      0.10 ±  8%      +0.0        0.12 ±  3%  perf-profile.children.cycles-pp.perf_exclude_event
      0.11 ±  7%      +0.0        0.13 ±  6%  perf-profile.children.cycles-pp.kfree
      0.56 ±  2%      +0.0        0.58        perf-profile.children.cycles-pp.check_preempt_curr
      0.15 ±  7%      +0.0        0.17 ±  5%  perf-profile.children.cycles-pp.__update_idle_core
      0.17 ±  7%      +0.0        0.20 ±  5%  perf-profile.children.cycles-pp.set_next_task_idle
      0.19 ±  6%      +0.0        0.21 ±  2%  perf-profile.children.cycles-pp.ip_setup_cork
      0.07 ±  7%      +0.0        0.09 ±  8%  perf-profile.children.cycles-pp.security_sk_classify_flow
      0.27 ±  4%      +0.0        0.30 ±  2%  perf-profile.children.cycles-pp.__check_heap_object
      0.69 ±  3%      +0.0        0.73 ±  2%  perf-profile.children.cycles-pp.tick_nohz_idle_exit
      0.09 ± 17%      +0.0        0.12 ±  3%  perf-profile.children.cycles-pp.tick_nohz_idle_retain_tick
      0.70 ±  2%      +0.0        0.74 ±  2%  perf-profile.children.cycles-pp.__kmalloc_node_track_caller
      0.46 ±  3%      +0.0        0.49 ±  2%  perf-profile.children.cycles-pp.tick_nohz_idle_enter
      0.15 ±  2%      +0.0        0.19 ±  4%  perf-profile.children.cycles-pp.__skb_try_recv_from_queue
      0.01 ±173%      +0.0        0.05 ±  9%  perf-profile.children.cycles-pp.receiver_wake_function
      0.46 ±  2%      +0.0        0.50 ±  4%  perf-profile.children.cycles-pp.__fget_light
      0.61 ±  2%      +0.0        0.66 ±  2%  perf-profile.children.cycles-pp.copy_user_generic_unrolled
      0.40 ±  3%      +0.1        0.45 ±  5%  perf-profile.children.cycles-pp.release_sock
      0.27 ±  3%      +0.1        0.33 ±  2%  perf-profile.children.cycles-pp.ipv4_mtu
      0.08 ± 15%      +0.1        0.14 ± 19%  perf-profile.children.cycles-pp.get_cpu_device
      0.05 ± 67%      +0.1        0.11 ±  9%  perf-profile.children.cycles-pp.skb_consume_udp
      0.34 ±  6%      +0.1        0.40 ±  3%  perf-profile.children.cycles-pp.cpus_share_cache
      0.31 ±  7%      +0.1        0.37 ±  6%  perf-profile.children.cycles-pp.kmem_cache_free
      0.26 ±  4%      +0.1        0.32 ±  3%  perf-profile.children.cycles-pp.ktime_get_with_offset
      0.00            +0.1        0.06 ± 13%  perf-profile.children.cycles-pp.memcg_kmem_put_cache
      0.55 ±  2%      +0.1        0.62 ±  4%  perf-profile.children.cycles-pp.enqueue_to_backlog
      0.24 ±  7%      +0.1        0.32 ±  2%  perf-profile.children.cycles-pp.switch_fpu_return
      0.96 ±  2%      +0.1        1.05        perf-profile.children.cycles-pp.move_addr_to_user
      0.00            +0.1        0.09 ±  7%  perf-profile.children.cycles-pp.inet_send_prepare
      0.74 ±  3%      +0.1        0.84        perf-profile.children.cycles-pp.__consume_stateless_skb
      0.32 ±  2%      +0.1        0.42 ±  8%  perf-profile.children.cycles-pp._copy_from_user
      0.49 ±  4%      +0.1        0.59 ±  4%  perf-profile.children.cycles-pp.kmem_cache_alloc_node
      0.59 ±  2%      +0.1        0.71        perf-profile.children.cycles-pp.___perf_sw_event
      1.76            +0.1        1.88 ±  2%  perf-profile.children.cycles-pp.loopback_xmit
      0.57            +0.1        0.70 ±  3%  perf-profile.children.cycles-pp.sockfd_lookup_light
      1.86            +0.1        2.00 ±  2%  perf-profile.children.cycles-pp.dev_hard_start_xmit
      0.88 ±  3%      +0.1        1.03 ±  2%  perf-profile.children.cycles-pp.netif_rx_internal
      7.72            +0.2        7.88        perf-profile.children.cycles-pp.schedule
      0.90 ±  3%      +0.2        1.05 ±  2%  perf-profile.children.cycles-pp.netif_rx
      0.39 ±  2%      +0.2        0.55 ±  7%  perf-profile.children.cycles-pp.move_addr_to_kernel
      1.59            +0.2        1.77        perf-profile.children.cycles-pp.__ip_make_skb
     10.91            +0.3       11.18        perf-profile.children.cycles-pp.__skb_recv_udp
     43.59            +0.3       43.93        perf-profile.children.cycles-pp.secondary_startup_64
     43.59            +0.3       43.93        perf-profile.children.cycles-pp.cpu_startup_entry
     43.50            +0.3       43.84        perf-profile.children.cycles-pp.do_idle
     17.52            +0.5       17.99        perf-profile.children.cycles-pp.__x64_sys_recvfrom
     17.38            +0.5       17.84        perf-profile.children.cycles-pp.__sys_recvfrom
     15.10            +0.5       15.59        perf-profile.children.cycles-pp.udp_recvmsg
     15.33            +0.5       15.87        perf-profile.children.cycles-pp.inet_recvmsg
     22.67            +0.7       23.34        perf-profile.children.cycles-pp.poll_idle
     29.86            +0.9       30.79        perf-profile.children.cycles-pp.cpuidle_enter
     29.81            +1.0       30.76        perf-profile.children.cycles-pp.cpuidle_enter_state
      0.41 ±  4%      -0.2        0.17 ±  4%  perf-profile.self.cycles-pp.sock_alloc_send_pskb
      0.43 ±  6%      -0.2        0.21 ±  5%  perf-profile.self.cycles-pp.validate_xmit_skb
      1.07 ±  4%      -0.2        0.88 ±  3%  perf-profile.self.cycles-pp.do_idle
      1.06            -0.1        0.92 ±  3%  perf-profile.self.cycles-pp.menu_select
      0.64 ±  9%      -0.1        0.49 ±  2%  perf-profile.self.cycles-pp.ip_route_output_key_hash_rcu
      0.50 ±  2%      -0.1        0.38 ±  4%  perf-profile.self.cycles-pp.aa_sk_perm
      0.18 ±  4%      -0.1        0.08 ± 10%  perf-profile.self.cycles-pp.tick_nohz_get_sleep_length
      0.21 ± 12%      -0.1        0.11 ± 16%  perf-profile.self.cycles-pp.xfrm_lookup_with_ifid
      0.27 ±  4%      -0.1        0.16 ±  2%  perf-profile.self.cycles-pp.rb_next
      0.27 ±  4%      -0.1        0.18 ±  4%  perf-profile.self.cycles-pp.__alloc_skb
      0.20 ±  5%      -0.1        0.10 ±  8%  perf-profile.self.cycles-pp.__ip_local_out
      0.12 ±  6%      -0.1        0.03 ±100%  perf-profile.self.cycles-pp.cpuidle_not_available
      0.30 ±  8%      -0.1        0.21 ± 14%  perf-profile.self.cycles-pp.__ip_finish_output
      0.19 ±  5%      -0.1        0.11 ±  7%  perf-profile.self.cycles-pp.pm_qos_request
      0.23 ±  7%      -0.1        0.14 ± 10%  perf-profile.self.cycles-pp.rcu_qs
      0.54 ±  4%      -0.1        0.46 ±  3%  perf-profile.self.cycles-pp.select_task_rq_fair
      0.19 ±  6%      -0.1        0.11 ±  3%  perf-profile.self.cycles-pp.copyin
      0.40 ±  7%      -0.1        0.33 ±  6%  perf-profile.self.cycles-pp.try_to_wake_up
      0.43 ±  2%      -0.1        0.35 ±  9%  perf-profile.self.cycles-pp.__ksize
      0.28 ±  6%      -0.1        0.20 ±  4%  perf-profile.self.cycles-pp._copy_from_iter_full
      0.23 ±  9%      -0.1        0.16 ±  5%  perf-profile.self.cycles-pp.irqtime_account_irq
      0.14 ± 21%      -0.1        0.07 ± 30%  perf-profile.self.cycles-pp.tick_check_broadcast_expired
      0.13 ± 15%      -0.1        0.07 ±  7%  perf-profile.self.cycles-pp.tick_nohz_idle_got_tick
      0.11 ±  6%      -0.1        0.05 ± 58%  perf-profile.self.cycles-pp.apparmor_ip_postroute
      0.16 ±  7%      -0.1        0.10 ±  4%  perf-profile.self.cycles-pp.ip_rcv_finish_core
      0.20 ±  9%      -0.1        0.14 ±  5%  perf-profile.self.cycles-pp.ip_rcv
      0.22 ±  3%      -0.1        0.17 ± 10%  perf-profile.self.cycles-pp.account_entity_dequeue
      0.11 ± 15%      -0.1        0.06 ± 11%  perf-profile.self.cycles-pp.ip_rcv_finish
      0.11 ±  8%      -0.1        0.06 ± 15%  perf-profile.self.cycles-pp.skb_clone_tx_timestamp
      0.21 ±  7%      -0.0        0.17 ±  9%  perf-profile.self.cycles-pp.tick_nohz_next_event
      0.18 ±  6%      -0.0        0.13 ±  5%  perf-profile.self.cycles-pp.nf_hook_slow
      0.17 ±  4%      -0.0        0.13 ± 10%  perf-profile.self.cycles-pp.ip_make_skb
      0.16 ±  5%      -0.0        0.12        perf-profile.self.cycles-pp.security_sock_rcv_skb
      0.14 ± 15%      -0.0        0.10 ± 10%  perf-profile.self.cycles-pp.inet_sendmsg
      0.21 ±  7%      -0.0        0.17 ±  7%  perf-profile.self.cycles-pp.udp_queue_rcv_one_skb
      0.10 ±  5%      -0.0        0.05 ±  9%  perf-profile.self.cycles-pp.__sk_mem_raise_allocated
      0.12 ±  8%      -0.0        0.09 ± 17%  perf-profile.self.cycles-pp.apparmor_ipv4_postroute
      0.62 ±  2%      -0.0        0.59 ±  2%  perf-profile.self.cycles-pp.__ip_append_data
      0.21 ±  4%      -0.0        0.17 ±  4%  perf-profile.self.cycles-pp.__netif_receive_skb_one_core
      0.40 ±  3%      -0.0        0.37 ±  2%  perf-profile.self.cycles-pp.account_entity_enqueue
      0.18 ±  3%      -0.0        0.15 ±  7%  perf-profile.self.cycles-pp._copy_to_iter
      0.13 ±  8%      -0.0        0.10 ±  9%  perf-profile.self.cycles-pp.raw_local_deliver
      0.24 ±  6%      -0.0        0.21 ±  2%  perf-profile.self.cycles-pp.sock_wfree
      0.08 ± 10%      -0.0        0.05 ±  8%  perf-profile.self.cycles-pp.skb_pull_rcsum
      0.17 ±  4%      -0.0        0.14 ±  3%  perf-profile.self.cycles-pp.ip_rcv_core
      0.08 ± 13%      -0.0        0.06 ± 11%  perf-profile.self.cycles-pp.skb_network_protocol
      0.17 ±  4%      -0.0        0.14 ±  9%  perf-profile.self.cycles-pp.update_irq_load_avg
      0.13 ±  8%      -0.0        0.11 ±  6%  perf-profile.self.cycles-pp.cpu_startup_entry
      0.22 ±  3%      -0.0        0.20 ±  2%  perf-profile.self.cycles-pp.ip_local_deliver
      0.12 ±  5%      -0.0        0.10 ±  7%  perf-profile.self.cycles-pp.deactivate_task
      0.10 ±  5%      +0.0        0.11 ±  3%  perf-profile.self.cycles-pp.perf_exclude_event
      0.08 ±  5%      +0.0        0.10 ±  5%  perf-profile.self.cycles-pp.pm_qos_read_value
      0.07 ±  7%      +0.0        0.08 ±  5%  perf-profile.self.cycles-pp._cond_resched
      0.10 ±  8%      +0.0        0.12 ±  7%  perf-profile.self.cycles-pp.kfree
      0.32 ±  2%      +0.0        0.34        perf-profile.self.cycles-pp.switch_mm_irqs_off
      0.06 ±  6%      +0.0        0.09 ±  5%  perf-profile.self.cycles-pp.security_sk_classify_flow
      0.12 ± 10%      +0.0        0.15 ±  3%  perf-profile.self.cycles-pp.ktime_get
      0.27            +0.0        0.30 ±  2%  perf-profile.self.cycles-pp.move_addr_to_user
      0.23 ±  6%      +0.0        0.26 ±  3%  perf-profile.self.cycles-pp.copy_user_enhanced_fast_string
      0.14 ±  8%      +0.0        0.17 ±  6%  perf-profile.self.cycles-pp.__update_idle_core
      0.08 ± 14%      +0.0        0.11 ±  4%  perf-profile.self.cycles-pp.schedule_idle
      0.35            +0.0        0.39 ±  4%  perf-profile.self.cycles-pp.__softirqentry_text_start
      0.08 ±  6%      +0.0        0.11 ±  4%  perf-profile.self.cycles-pp.__skb_try_recv_from_queue
      0.26 ±  5%      +0.0        0.29 ±  3%  perf-profile.self.cycles-pp.__check_heap_object
      0.35 ±  8%      +0.0        0.39 ±  5%  perf-profile.self.cycles-pp.__sys_sendto
      0.09 ± 17%      +0.0        0.12 ±  3%  perf-profile.self.cycles-pp.tick_nohz_idle_retain_tick
      0.13 ± 13%      +0.0        0.17        perf-profile.self.cycles-pp.__hrtimer_next_event_base
      0.01 ±173%      +0.0        0.05 ±  9%  perf-profile.self.cycles-pp.receiver_wake_function
      0.22 ±  3%      +0.0        0.26 ±  9%  perf-profile.self.cycles-pp.loopback_xmit
      0.14 ± 12%      +0.0        0.18 ± 10%  perf-profile.self.cycles-pp.kmem_cache_free
      0.09 ± 11%      +0.0        0.14 ±  8%  perf-profile.self.cycles-pp.do_softirq_own_stack
      0.14 ±  5%      +0.0        0.19 ±  6%  perf-profile.self.cycles-pp.ip_route_output_key_hash
      0.21 ±  5%      +0.0        0.26 ±  7%  perf-profile.self.cycles-pp.check_preempt_curr
      0.45            +0.0        0.50 ±  4%  perf-profile.self.cycles-pp.__fget_light
      0.26 ±  3%      +0.0        0.31 ±  2%  perf-profile.self.cycles-pp.ipv4_mtu
      0.22 ±  3%      +0.1        0.27 ± 12%  perf-profile.self.cycles-pp.newidle_balance
      0.59 ±  4%      +0.1        0.64 ±  4%  perf-profile.self.cycles-pp.ip_finish_output2
      0.11 ± 24%      +0.1        0.16 ±  4%  perf-profile.self.cycles-pp.tick_nohz_idle_enter
      0.08 ± 15%      +0.1        0.13 ± 22%  perf-profile.self.cycles-pp.get_cpu_device
      0.10 ± 17%      +0.1        0.16 ±  2%  perf-profile.self.cycles-pp.ktime_get_with_offset
      0.06 ±  6%      +0.1        0.12 ± 17%  perf-profile.self.cycles-pp._copy_from_user
      0.14 ±  6%      +0.1        0.19 ±  8%  perf-profile.self.cycles-pp.tick_nohz_tick_stopped
      0.05 ± 64%      +0.1        0.11 ± 10%  perf-profile.self.cycles-pp.skb_consume_udp
      0.00            +0.1        0.06 ±  7%  perf-profile.self.cycles-pp.ip_route_output_flow
      0.23 ±  6%      +0.1        0.29 ±  6%  perf-profile.self.cycles-pp.inet_recvmsg
      0.32 ±  7%      +0.1        0.38 ±  3%  perf-profile.self.cycles-pp.cpus_share_cache
      0.32 ±  4%      +0.1        0.39 ±  7%  perf-profile.self.cycles-pp.enqueue_to_backlog
      0.00            +0.1        0.07 ± 13%  perf-profile.self.cycles-pp.ip_local_out
      0.54 ±  2%      +0.1        0.60 ±  2%  perf-profile.self.cycles-pp.__skb_wait_for_more_packets
      0.09 ± 13%      +0.1        0.16 ±  5%  perf-profile.self.cycles-pp.sockfd_lookup_light
      0.35 ±  4%      +0.1        0.42        perf-profile.self.cycles-pp.__local_bh_enable_ip
      0.10 ± 12%      +0.1        0.17 ±  4%  perf-profile.self.cycles-pp.alloc_skb_with_frags
      0.29 ±  7%      +0.1        0.36 ±  3%  perf-profile.self.cycles-pp.kmem_cache_alloc_node
      0.57 ±  4%      +0.1        0.65 ±  2%  perf-profile.self.cycles-pp.udp_recvmsg
      0.00            +0.1        0.08 ±  8%  perf-profile.self.cycles-pp.inet_send_prepare
      0.38 ±  4%      +0.1        0.46        perf-profile.self.cycles-pp.ip_output
      0.20 ±  7%      +0.1        0.28 ±  2%  perf-profile.self.cycles-pp.switch_fpu_return
      0.15 ±  8%      +0.1        0.24 ±  6%  perf-profile.self.cycles-pp.cpuidle_enter_state
      0.03 ±100%      +0.1        0.11 ±  7%  perf-profile.self.cycles-pp.ip_local_deliver_finish
      0.47 ±  5%      +0.1        0.57        perf-profile.self.cycles-pp.___perf_sw_event
      0.30 ±  3%      +0.1        0.45 ±  4%  perf-profile.self.cycles-pp.__ip_make_skb
     22.44            +0.7       23.11        perf-profile.self.cycles-pp.poll_idle


                                                                                
                               netperf.Throughput_tps                           
                                                                                
  118000 +------------------------------------------------------------------+   
         |                                   O                              |   
  116000 |-+                                    O  O  O                     |   
         |                        O  O                                      |   
         |                              O               O  O                |   
  114000 |-+                                                                |   
         |                                 O                                |   
  112000 |-+                                                  O  O  O O     |   
         |                   O O                                         O  |   
  110000 |-+           O                                                    |   
         |  O  O O  O     O                                                 |   
         |       +..+..+..+..+    +                                         |   
  108000 |-.+.. +             + ..                                          |   
         |.    +               +                                            |   
  106000 +------------------------------------------------------------------+   
                                                                                
                                                                                
[*] 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.


Thanks,
Rong Chen


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