[rcu] 34577530114: +247.4% qperf.tcp.bw, -3.3% turbostat.Pkg_W

From: Fengguang Wu
Date: Wed Jun 25 2014 - 22:00:25 EST

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Hi Paul,

We are pleased to notice huge throughput increases in the qperf/iperf
tests, together with noticeable reduce of power consumption!

git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/dev
commit 34577530114e9b1de10f3aa9665bb28c8ce585ba ("rcu: Bind grace-period kthreads to non-NO_HZ_FULL CPUs")

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
8.23e+08 ~ 6% +247.4% 2.859e+09 ~ 0% bens/qperf/600s
8.23e+08 ~ 6% +247.4% 2.859e+09 ~ 0% TOTAL qperf.tcp.bw

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
7.065e+09 ~ 3% +210.0% 2.19e+10 ~ 8% bens/iperf/300s-tcp
7.065e+09 ~ 3% +210.0% 2.19e+10 ~ 8% TOTAL iperf.tcp.sender.bps

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
7.065e+09 ~ 3% +210.0% 2.19e+10 ~ 8% bens/iperf/300s-tcp
7.065e+09 ~ 3% +210.0% 2.19e+10 ~ 8% TOTAL iperf.tcp.receiver.bps

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
7.718e+08 ~ 3% +177.8% 2.144e+09 ~ 1% bens/qperf/600s
7.718e+08 ~ 3% +177.8% 2.144e+09 ~ 1% TOTAL qperf.udp.recv_bw

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
7.745e+08 ~ 3% +177.0% 2.145e+09 ~ 1% bens/qperf/600s
7.745e+08 ~ 3% +177.0% 2.145e+09 ~ 1% TOTAL qperf.udp.send_bw

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
1.65e+09 ~ 1% +4.3% 1.721e+09 ~ 0% bens/qperf/600s
1.65e+09 ~ 1% +4.3% 1.721e+09 ~ 0% TOTAL qperf.sctp.bw

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
13579 ~ 1% -2.3% 13264 ~ 1% bens/qperf/600s
13579 ~ 1% -2.3% 13264 ~ 1% TOTAL qperf.sctp.latency

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
8545 ~ 0% +1.9% 8705 ~ 0% bens/qperf/600s
8545 ~ 0% +1.9% 8705 ~ 0% TOTAL qperf.udp.latency

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
12770 ~ 0% -1.0% 12637 ~ 0% ivb43/netperf/300s-25%-TCP_CRR
12770 ~ 0% -1.0% 12637 ~ 0% TOTAL netperf.Throughput_tps

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
1015 ~ 2% -92.1% 80 ~24% ivb43/netperf/300s-25%-TCP_CRR
1015 ~ 2% -92.1% 80 ~24% TOTAL cpuidle.POLL.usage

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
104620 ~31% -83.2% 17544 ~11% ivb43/netperf/300s-25%-TCP_CRR
104620 ~31% -83.2% 17544 ~11% TOTAL numa-vmstat.node1.numa_other

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
0.12 ~ 7% -73.3% 0.03 ~12% ivb43/netperf/300s-25%-TCP_CRR
0.12 ~ 7% -73.3% 0.03 ~12% TOTAL turbostat.%c3

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
53226067 ~ 3% -78.2% 11579930 ~14% ivb43/netperf/300s-25%-TCP_CRR
3327687 ~28% +86.6% 6208767 ~42% ivb44/pigz/25%-128K
56553754 ~ 4% -68.5% 17788697 ~24% TOTAL cpuidle.C1E-IVT.time

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
878601 ~ 3% -75.2% 217607 ~12% ivb43/netperf/300s-25%-TCP_CRR
9282 ~27% +99.2% 18495 ~49% ivb44/pigz/25%-128K
887884 ~ 4% -73.4% 236102 ~15% TOTAL cpuidle.C1E-IVT.usage

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
28174239 ~ 6% -61.0% 10981001 ~ 8% ivb43/netperf/300s-25%-TCP_CRR
28174239 ~ 6% -61.0% 10981001 ~ 8% TOTAL cpuidle.C3-IVT.time

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
237 ~20% +141.1% 572 ~ 9% xbm/pigz/25%-512K
237 ~20% +141.1% 572 ~ 9% TOTAL cpuidle.C3-SNB.usage

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
8192746 ~ 3% +202.8% 24806641 ~ 7% bens/iperf/300s-tcp
15458478 ~ 1% +69.2% 26148854 ~ 0% bens/qperf/600s
23651225 ~ 2% +115.4% 50955496 ~ 4% TOTAL proc-vmstat.numa_hit

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
8192746 ~ 3% +202.8% 24806641 ~ 7% bens/iperf/300s-tcp
15458478 ~ 1% +69.2% 26148854 ~ 0% bens/qperf/600s
23651225 ~ 2% +115.4% 50955496 ~ 4% TOTAL proc-vmstat.numa_local

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
63502648 ~ 3% +209.1% 1.963e+08 ~ 8% bens/iperf/300s-tcp
2.191e+08 ~ 1% +55.9% 3.416e+08 ~ 0% bens/qperf/600s
2.826e+08 ~ 2% +90.3% 5.379e+08 ~ 3% TOTAL proc-vmstat.pgfree

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
15752293 ~ 3% +209.0% 48677753 ~ 8% bens/iperf/300s-tcp
54168455 ~ 1% +56.0% 84483873 ~ 0% bens/qperf/600s
69920749 ~ 2% +90.4% 133161627 ~ 3% TOTAL proc-vmstat.pgalloc_normal

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
9737163 ~ 2% -56.7% 4213811 ~ 6% ivb43/netperf/300s-25%-TCP_CRR
9737163 ~ 2% -56.7% 4213811 ~ 6% TOTAL cpuidle.C6-IVT.usage

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
5033341 ~ 3% +192.9% 14743041 ~12% bens/iperf/300s-tcp
21147143 ~ 0% +30.9% 27679992 ~ 0% bens/qperf/600s
26180485 ~ 1% +62.0% 42423033 ~ 4% TOTAL softirqs.NET_RX

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
0.45 ~37% +109.7% 0.95 ~34% bens/qperf/600s
0.45 ~37% +109.7% 0.95 ~34% TOTAL perf-profile.cpu-cycles.copy_user_generic_string.skb_copy_datagram_iovec.tcp_recvmsg.inet_recvmsg.sock_aio_read

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
87907 ~29% +145.9% 216127 ~27% xbm/pigz/25%-512K
87907 ~29% +145.9% 216127 ~27% TOTAL cpuidle.C3-SNB.time

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
646521 ~ 7% -49.5% 326622 ~ 9% ivb43/netperf/300s-25%-TCP_CRR
646521 ~ 7% -49.5% 326622 ~ 9% TOTAL cpuidle.C3-IVT.usage

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
658 ~13% +109.3% 1377 ~11% xbm/pigz/25%-512K
658 ~13% +109.3% 1377 ~11% TOTAL cpuidle.C1E-SNB.usage

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
47748828 ~ 3% +209.2% 1.476e+08 ~ 8% bens/iperf/300s-tcp
1.65e+08 ~ 1% +55.9% 2.571e+08 ~ 0% bens/qperf/600s
2741315 ~ 3% +7.4% 2943780 ~ 5% ivb43/netperf/300s-25%-TCP_CRR
2.155e+08 ~ 2% +89.2% 4.077e+08 ~ 3% TOTAL proc-vmstat.pgalloc_dma32

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
2.826e+08 ~ 9% -31.4% 1.938e+08 ~16% lkp-sb03/nuttcp/300s
2.826e+08 ~ 9% -31.4% 1.938e+08 ~16% TOTAL cpuidle.C1-SNB.time

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
47008 ~ 4% +52.7% 71784 ~ 4% bens/qperf/600s
20704 ~ 4% +49.2% 30899 ~ 3% xbm/pigz/25%-512K
67712 ~ 4% +51.6% 102683 ~ 4% TOTAL softirqs.RCU

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
8643 ~ 7% -32.8% 5805 ~ 1% ivb43/netperf/300s-25%-TCP_CRR
8643 ~ 7% -32.8% 5805 ~ 1% TOTAL proc-vmstat.numa_hint_faults

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
8949 ~ 7% -31.5% 6129 ~ 1% ivb43/netperf/300s-25%-TCP_CRR
8949 ~ 7% -31.5% 6129 ~ 1% TOTAL proc-vmstat.numa_pte_updates

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
29.25 ~ 0% +41.8% 41.49 ~ 1% ivb43/netperf/300s-25%-TCP_CRR
29.25 ~ 0% +41.8% 41.49 ~ 1% TOTAL turbostat.%c6

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
486 ~ 6% -26.3% 358 ~ 8% ivb43/netperf/300s-25%-TCP_CRR
524 ~ 9% -24.4% 396 ~ 6% ivb44/pigz/25%-128K
486 ~ 6% -31.6% 332 ~ 7% lkp-sb03/nuttcp/300s
1497 ~ 7% -27.4% 1088 ~ 7% TOTAL slabinfo.kmem_cache.num_objs

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
486 ~ 6% -26.3% 358 ~ 8% ivb43/netperf/300s-25%-TCP_CRR
524 ~ 9% -24.4% 396 ~ 6% ivb44/pigz/25%-128K
486 ~ 6% -31.6% 332 ~ 7% lkp-sb03/nuttcp/300s
1497 ~ 7% -27.4% 1088 ~ 7% TOTAL slabinfo.kmem_cache.active_objs

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
7914 ~ 6% -29.6% 5575 ~ 1% ivb43/netperf/300s-25%-TCP_CRR
7914 ~ 6% -29.6% 5575 ~ 1% TOTAL proc-vmstat.numa_hint_faults_local

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
37.08 ~ 0% -34.3% 24.36 ~ 2% ivb43/netperf/300s-25%-TCP_CRR
12.48 ~ 3% -13.8% 10.76 ~ 6% lkp-sb03/nuttcp/300s
49.56 ~ 1% -29.2% 35.11 ~ 3% TOTAL turbostat.%c1

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
596 ~ 5% -21.5% 468 ~ 6% ivb43/netperf/300s-25%-TCP_CRR
634 ~ 7% -20.2% 506 ~ 5% ivb44/pigz/25%-128K
596 ~ 5% -25.8% 442 ~ 5% lkp-sb03/nuttcp/300s
1827 ~ 6% -22.4% 1418 ~ 5% TOTAL slabinfo.kmem_cache_node.active_objs

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
98347 ~ 1% +66.0% 163290 ~ 9% bens/iperf/300s-tcp
263164 ~ 0% +15.4% 303781 ~ 1% bens/qperf/600s
181866 ~ 3% -15.0% 154551 ~ 7% ivb44/pigz/25%-128K
16865 ~ 1% +14.6% 19322 ~ 4% xbm/pigz/25%-512K
560243 ~ 1% +14.4% 640945 ~ 5% TOTAL softirqs.SCHED

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
614 ~ 5% -20.8% 486 ~ 6% ivb43/netperf/300s-25%-TCP_CRR
652 ~ 7% -19.6% 524 ~ 4% ivb44/pigz/25%-128K
614 ~ 5% -25.0% 460 ~ 5% lkp-sb03/nuttcp/300s
1881 ~ 5% -21.8% 1472 ~ 5% TOTAL slabinfo.kmem_cache_node.num_objs

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
1.05 ~ 6% -20.1% 0.84 ~ 5% bens/qperf/600s
1.05 ~ 6% -20.1% 0.84 ~ 5% TOTAL perf-profile.cpu-cycles.tcp_rcv_established.tcp_v4_do_rcv.tcp_prequeue_process.tcp_recvmsg.inet_recvmsg

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
10097 ~ 0% +26.7% 12797 ~ 2% bens/qperf/600s
10097 ~ 0% +26.7% 12797 ~ 2% TOTAL softirqs.HRTIMER

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
0.78 ~ 3% +22.5% 0.96 ~ 3% bens/qperf/600s
0.78 ~ 3% +22.5% 0.96 ~ 3% TOTAL perf-profile.cpu-cycles.tcp_v4_rcv.ip_local_deliver_finish.ip_local_deliver.ip_rcv_finish.ip_rcv

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
2.835e+09 ~ 0% -16.5% 2.368e+09 ~ 0% ivb43/netperf/300s-25%-TCP_CRR
2.835e+09 ~ 0% -16.5% 2.368e+09 ~ 0% TOTAL cpuidle.C1-IVT.time

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
5915033 ~13% +14.3% 6761676 ~ 7% ivb43/netperf/300s-25%-TCP_CRR
5915033 ~13% +14.3% 6761676 ~ 7% TOTAL meminfo.DirectMap2M

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
264559 ~ 0% +15.6% 305707 ~ 0% bens/iperf/300s-tcp
264559 ~ 0% +15.6% 305707 ~ 0% TOTAL softirqs.TIMER

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
92365 ~ 3% -12.9% 80487 ~ 9% ivb44/pigz/25%-128K
92365 ~ 3% -12.9% 80487 ~ 9% TOTAL meminfo.DirectMap4k

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
24143956 ~ 3% -8.1% 22198708 ~ 5% ivb43/netperf/300s-25%-TCP_CRR
24143956 ~ 3% -8.1% 22198708 ~ 5% TOTAL numa-numastat.node1.numa_hit

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
24140149 ~ 3% -8.1% 22196166 ~ 5% ivb43/netperf/300s-25%-TCP_CRR
24140149 ~ 3% -8.1% 22196166 ~ 5% TOTAL numa-numastat.node1.local_node

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
12512229 ~ 3% -7.6% 11556940 ~ 6% ivb43/netperf/300s-25%-TCP_CRR
12512229 ~ 3% -7.6% 11556940 ~ 6% TOTAL numa-vmstat.node1.numa_hit

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
12407607 ~ 3% -7.0% 11539395 ~ 6% ivb43/netperf/300s-25%-TCP_CRR
12407607 ~ 3% -7.0% 11539395 ~ 6% TOTAL numa-vmstat.node1.numa_local

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
25536237 ~ 3% +6.8% 27272147 ~ 5% ivb43/netperf/300s-25%-TCP_CRR
25536237 ~ 3% +6.8% 27272147 ~ 5% TOTAL numa-numastat.node0.local_node

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
25538777 ~ 3% +6.8% 27275952 ~ 5% ivb43/netperf/300s-25%-TCP_CRR
25538777 ~ 3% +6.8% 27275952 ~ 5% TOTAL numa-numastat.node0.numa_hit

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
1159 ~ 3% -10.9% 1033 ~ 1% xbm/pigz/25%-512K
1159 ~ 3% -10.9% 1033 ~ 1% TOTAL slabinfo.kmalloc-96.num_objs

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
1159 ~ 3% -10.9% 1033 ~ 1% xbm/pigz/25%-512K
1159 ~ 3% -10.9% 1033 ~ 1% TOTAL slabinfo.kmalloc-96.active_objs

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
1.33 ~ 2% -10.5% 1.19 ~ 3% bens/qperf/600s
1.33 ~ 2% -10.5% 1.19 ~ 3% TOTAL perf-profile.cpu-cycles.tcp_sendmsg.inet_sendmsg.sock_aio_write.do_sync_write.vfs_write

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
1126 ~ 1% -9.7% 1017 ~ 1% bens/iperf/300s-tcp
1126 ~ 1% -9.7% 1017 ~ 1% TOTAL proc-vmstat.pgactivate

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
12269 ~ 4% +5.5% 12946 ~ 4% ivb43/netperf/300s-25%-TCP_CRR
12269 ~ 4% +5.5% 12946 ~ 4% TOTAL slabinfo.kmalloc-192.num_objs

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
12258 ~ 4% +5.6% 12946 ~ 4% ivb43/netperf/300s-25%-TCP_CRR
12258 ~ 4% +5.6% 12946 ~ 4% TOTAL slabinfo.kmalloc-192.active_objs

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
1.16 ~ 4% +9.2% 1.26 ~ 3% ivb43/netperf/300s-25%-TCP_CRR
1.16 ~ 4% +9.2% 1.26 ~ 3% TOTAL perf-profile.cpu-cycles.get_next_timer_interrupt.tick_nohz_stop_sched_tick.__tick_nohz_idle_enter.tick_nohz_idle_enter.cpu_idle_loop

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
3135 ~ 2% +8.4% 3398 ~ 1% ivb44/pigz/25%-128K
3135 ~ 2% +8.4% 3398 ~ 1% TOTAL slabinfo.task_xstate.active_objs

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
3135 ~ 2% +8.4% 3398 ~ 1% ivb44/pigz/25%-128K
3135 ~ 2% +8.4% 3398 ~ 1% TOTAL slabinfo.task_xstate.num_objs

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
11496 ~ 5% -96.2% 435 ~12% bens/iperf/300s-tcp
23777 ~ 1% -86.3% 3264 ~10% bens/qperf/600s
22961 ~ 1% -76.7% 5351 ~ 4% ivb44/pigz/25%-128K
13976 ~ 2% -97.5% 349 ~22% lkp-sb03/nuttcp/300s
11345 ~ 0% -88.0% 1361 ~25% xbm/pigz/25%-512K
83555 ~ 2% -87.1% 10761 ~ 9% TOTAL time.involuntary_context_switches

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
36820683 ~ 0% +17.5% 43253042 ~ 0% bens/qperf/600s
36820683 ~ 0% +17.5% 43253042 ~ 0% TOTAL time.voluntary_context_switches

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
13302 ~ 0% +49.0% 19817 ~14% bens/iperf/300s-tcp
62977 ~ 0% +17.3% 73856 ~ 0% bens/qperf/600s
76279 ~ 0% +22.8% 93674 ~ 3% TOTAL vmstat.system.in

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
23681 ~ 0% +48.9% 35273 ~15% bens/iperf/300s-tcp
122654 ~ 0% +17.4% 143989 ~ 0% bens/qperf/600s
759769 ~ 0% -10.5% 680088 ~ 0% ivb43/netperf/300s-25%-TCP_CRR
906105 ~ 0% -5.2% 859351 ~ 1% TOTAL vmstat.system.cs

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
144 ~ 0% +5.4% 152 ~ 0% bens/qperf/600s
144 ~ 0% +5.4% 152 ~ 0% TOTAL time.percent_of_cpu_this_job_got

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
122 ~ 0% -4.2% 116 ~ 0% ivb43/netperf/300s-25%-TCP_CRR
~ 0% -4.2% ~ 0% TOTAL turbostat.Cor_W

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
299 ~ 0% -2.8% 290 ~ 2% bens/iperf/300s-tcp
863 ~ 0% +5.2% 908 ~ 0% bens/qperf/600s
1162 ~ 0% +3.2% 1199 ~ 0% TOTAL time.system_time

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
153 ~ 0% -3.3% 147 ~ 0% ivb43/netperf/300s-25%-TCP_CRR
~ 0% -3.3% ~ 0% TOTAL turbostat.Pkg_W

221031cb1b33258 34577530114e9b1de10f3aa96
--------------- -------------------------
33.55 ~ 0% +1.7% 34.12 ~ 0% ivb43/netperf/300s-25%-TCP_CRR
33.55 ~ 0% +1.7% 34.12 ~ 0% TOTAL turbostat.%c0

Legend:
~XX% - stddev percent
[+-]XX% - change percent

iperf.tcp.sender.bps

2.4e+10 ++----------O--------------------------------------O--------------+
O O O O O O O O O O O O O O |
2.2e+10 ++ O O O |
2e+10 ++ |
| O |
1.8e+10 ++ |
1.6e+10 ++ |
| |
1.4e+10 ++ |
1.2e+10 ++ |
| |
1e+10 ++ |
8e+09 ++ |
*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*
6e+09 ++----------------------------------------------------------------+

iperf.tcp.receiver.bps

2.4e+10 ++----------O--------------------------------------O--------------+
O O O O O O O O O O O O O O |
2.2e+10 ++ O O O |
2e+10 ++ |
| O |
1.8e+10 ++ |
1.6e+10 ++ |
| |
1.4e+10 ++ |
1.2e+10 ++ |
| |
1e+10 ++ |
8e+09 ++ |
*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*
6e+09 ++----------------------------------------------------------------+

time.involuntary_context_switches

14000 ++------------------------------------------------------------------+
| |
12000 *+. .*.. ..*..*..*..*.. .*..*..*..*..*.. ..*..*..*..*.. *
| .*..*. *. *. *. ..|
10000 ++ *. * |
| |
8000 ++ |
| |
6000 ++ |
| |
4000 ++ |
| |
2000 ++ |
| O O |
0 O+-O-----O--O--O---O--O--O--O--O--O--O--O--O--O------O--O--O--------+

[*] 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,
Fengguang
./iperf3 -s
./iperf3 -t 300 -f M -J -c 127.0.0.1

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