From: Jet Chen <jet.chen@intel.com>
To: lkp@lists.01.org
Subject: [rcu] 5057f55e543: +1307.4% time.involuntary_context_switches
Date: Tue, 03 Jun 2014 10:49:11 +0800 [thread overview]
Message-ID: <538D37A7.8050200@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 21566 bytes --]
TO: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
CC: LKML <linux-kernel@vger.kernel.org>
CC: lkp(a)01.org
FYI, we noticed the below changes on
git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/fixes
commit 5057f55e543b7859cfd26bc281291795eac93f8a ("rcu: Bind RCU grace-period kthreads if NO_HZ_FULL")
Here highlight some major changes:
7946 ~13% +1307.4% 111846 ~ 2% TOTAL time.involuntary_context_switches
2.127e+09 ~ 0% -23.5% 1.628e+09 ~ 4% TOTAL qperf.udp.recv_bw
2.128e+09 ~ 0% -23.3% 1.633e+09 ~ 4% TOTAL qperf.udp.send_bw
2.101e+10 ~ 2% -18.7% 1.707e+10 ~ 2% TOTAL iperf.tcp.receiver.bps
2.101e+10 ~ 2% -18.7% 1.707e+10 ~ 2% TOTAL iperf.tcp.sender.bps
6.115e+09 ~ 5% -17.9% 5.022e+09 ~ 6% TOTAL qperf.sctp.bw
2.83e+09 ~ 1% -12.5% 2.476e+09 ~ 3% TOTAL qperf.tcp.bw
26070 ~ 0% -1.2% 25768 ~ 0% TOTAL will-it-scale.per_process_ops
0.40 ~ 0% +1.9% 0.41 ~ 1% TOTAL will-it-scale.scalability
1113433 ~ 7% +137.1% 2639530 ~ 3% TOTAL cpuidle.C4-ATM.time
786 ~20% +71.8% 1350 ~15% TOTAL cpuidle.POLL.usage
47106 ~ 8% +53.8% 72472 ~ 3% TOTAL cpuidle.C1E-ATM.usage
659 ~ 7% +50.6% 992 ~ 3% TOTAL cpuidle.C3-IVT.usage
3026 ~ 8% +42.9% 4324 ~ 3% TOTAL cpuidle.C4-ATM.usage
5062629 ~ 4% +26.6% 6408492 ~ 2% TOTAL cpuidle.C1E-ATM.time
402345 ~ 2% -18.9% 326211 ~ 0% TOTAL cpuidle.C6-IVT.usage
944 ~ 9% +17.0% 1105 ~ 8% TOTAL cpuidle.C1E-IVT.usage
403926 ~ 0% -17.3% 333985 ~ 1% TOTAL cpuidle.C7-SNB.usage
124425 ~ 0% -16.4% 103999 ~ 0% TOTAL cpuidle.C6-ATM.usage
full comparison result:
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
2.127e+09 ~ 0% -23.5% 1.628e+09 ~ 4% bens/qperf/600s
2.127e+09 ~ 0% -23.5% 1.628e+09 ~ 4% TOTAL qperf.udp.recv_bw
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
2.128e+09 ~ 0% -23.3% 1.633e+09 ~ 4% bens/qperf/600s
2.128e+09 ~ 0% -23.3% 1.633e+09 ~ 4% TOTAL qperf.udp.send_bw
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
2.101e+10 ~ 2% -18.7% 1.707e+10 ~ 2% bens/iperf/300s-tcp
2.101e+10 ~ 2% -18.7% 1.707e+10 ~ 2% TOTAL iperf.tcp.receiver.bps
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
2.101e+10 ~ 2% -18.7% 1.707e+10 ~ 2% bens/iperf/300s-tcp
2.101e+10 ~ 2% -18.7% 1.707e+10 ~ 2% TOTAL iperf.tcp.sender.bps
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
1.331e+09 ~ 2% -5.8% 1.255e+09 ~ 2% bens/qperf/600s
2.4e+09 ~ 6% -30.4% 1.671e+09 ~12% brickland3/qperf/600s
2.384e+09 ~ 7% -12.1% 2.096e+09 ~ 3% lkp-sb03/qperf/600s
6.115e+09 ~ 5% -17.9% 5.022e+09 ~ 6% TOTAL qperf.sctp.bw
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
2.83e+09 ~ 1% -12.5% 2.476e+09 ~ 3% bens/qperf/600s
2.83e+09 ~ 1% -12.5% 2.476e+09 ~ 3% TOTAL qperf.tcp.bw
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
26070 ~ 0% -1.2% 25768 ~ 0% lkp-a03/will-it-scale/unlink1
26070 ~ 0% -1.2% 25768 ~ 0% TOTAL will-it-scale.per_process_ops
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
0.40 ~ 0% +1.9% 0.41 ~ 1% lkp-a03/will-it-scale/unlink1
0.40 ~ 0% +1.9% 0.41 ~ 1% TOTAL will-it-scale.scalability
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
5951 ~ 4% -61.0% 2318 ~ 4% lkp-a03/will-it-scale/unlink1
5951 ~ 4% -61.0% 2318 ~ 4% TOTAL slabinfo.kmalloc-256.active_objs
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
373 ~ 4% -60.7% 146 ~ 4% lkp-a03/will-it-scale/unlink1
373 ~ 4% -60.7% 146 ~ 4% TOTAL slabinfo.kmalloc-256.num_slabs
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
373 ~ 4% -60.7% 146 ~ 4% lkp-a03/will-it-scale/unlink1
373 ~ 4% -60.7% 146 ~ 4% TOTAL slabinfo.kmalloc-256.active_slabs
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
5990 ~ 4% -60.7% 2355 ~ 4% lkp-a03/will-it-scale/unlink1
5990 ~ 4% -60.7% 2355 ~ 4% TOTAL slabinfo.kmalloc-256.num_objs
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
2.272e+08 ~ 1% -13.3% 1.97e+08 ~ 2% bens/qperf/600s
1507825 ~ 0% -20.5% 1198788 ~ 0% lkp-a03/will-it-scale/unlink1
2.287e+08 ~ 1% -13.3% 1.982e+08 ~ 2% TOTAL proc-vmstat.pgalloc_dma32
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
1113433 ~ 7% +137.1% 2639530 ~ 3% lkp-a03/will-it-scale/unlink1
1113433 ~ 7% +137.1% 2639530 ~ 3% TOTAL cpuidle.C4-ATM.time
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
6269 ~ 4% -57.8% 2647 ~ 4% lkp-a03/will-it-scale/unlink1
6269 ~ 4% -57.8% 2647 ~ 4% TOTAL slabinfo.shmem_inode_cache.active_objs
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
6306 ~ 4% -57.4% 2688 ~ 4% lkp-a03/will-it-scale/unlink1
6306 ~ 4% -57.4% 2688 ~ 4% TOTAL slabinfo.shmem_inode_cache.num_objs
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
262 ~ 4% -57.5% 111 ~ 4% lkp-a03/will-it-scale/unlink1
262 ~ 4% -57.5% 111 ~ 4% TOTAL slabinfo.shmem_inode_cache.active_slabs
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
262 ~ 4% -57.5% 111 ~ 4% lkp-a03/will-it-scale/unlink1
262 ~ 4% -57.5% 111 ~ 4% TOTAL slabinfo.shmem_inode_cache.num_slabs
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
786 ~20% +71.8% 1350 ~15% lkp-sb03/qperf/600s
786 ~20% +71.8% 1350 ~15% TOTAL cpuidle.POLL.usage
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
0.23 ~ 7% -40.0% 0.14 ~ 5% lkp-sb03/qperf/600s
0.23 ~ 7% -40.0% 0.14 ~ 5% TOTAL turbostat.%c3
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
47106 ~ 8% +53.8% 72472 ~ 3% lkp-a03/will-it-scale/unlink1
47106 ~ 8% +53.8% 72472 ~ 3% TOTAL cpuidle.C1E-ATM.usage
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
1.14 ~28% -45.0% 0.63 ~43% lkp-sb03/qperf/600s
1.14 ~28% -45.0% 0.63 ~43% TOTAL perf-profile.cpu-cycles.copy_user_generic_string.skb_copy_datagram_iovec.tcp_recvmsg.inet_recvmsg.sock_aio_read
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
659 ~ 7% +50.6% 992 ~ 3% brickland3/qperf/600s
659 ~ 7% +50.6% 992 ~ 3% TOTAL cpuidle.C3-IVT.usage
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
3026 ~ 8% +42.9% 4324 ~ 3% lkp-a03/will-it-scale/unlink1
3026 ~ 8% +42.9% 4324 ~ 3% TOTAL cpuidle.C4-ATM.usage
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
258 ~ 9% -19.8% 207 ~13% brickland3/qperf/600s
258 ~ 9% -19.8% 207 ~13% TOTAL numa-vmstat.node1.nr_page_table_pages
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
1041 ~ 9% -19.3% 839 ~12% brickland3/qperf/600s
1041 ~ 9% -19.3% 839 ~12% TOTAL numa-meminfo.node1.PageTables
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
53062 ~ 2% -35.1% 34464 ~ 3% bens/qperf/600s
109531 ~13% +46.9% 160928 ~ 5% brickland3/qperf/600s
72773 ~ 1% +40.8% 102483 ~ 1% lkp-a03/will-it-scale/unlink1
67902 ~ 1% +13.8% 77302 ~ 3% lkp-sb03/qperf/600s
303269 ~ 6% +23.7% 375178 ~ 3% TOTAL softirqs.RCU
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
80344 ~ 1% -26.2% 59325 ~ 2% bens/qperf/600s
65012 ~ 0% -30.9% 44916 ~ 0% lkp-a03/will-it-scale/unlink1
145357 ~ 1% -28.3% 104241 ~ 1% TOTAL softirqs.SCHED
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
5062629 ~ 4% +26.6% 6408492 ~ 2% lkp-a03/will-it-scale/unlink1
5062629 ~ 4% +26.6% 6408492 ~ 2% TOTAL cpuidle.C1E-ATM.time
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
5015 ~ 0% -19.1% 4054 ~ 0% lkp-a03/will-it-scale/unlink1
5015 ~ 0% -19.1% 4054 ~ 0% TOTAL proc-vmstat.nr_slab_unreclaimable
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
402345 ~ 2% -18.9% 326211 ~ 0% brickland3/qperf/600s
402345 ~ 2% -18.9% 326211 ~ 0% TOTAL cpuidle.C6-IVT.usage
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
944 ~ 9% +17.0% 1105 ~ 8% brickland3/qperf/600s
944 ~ 9% +17.0% 1105 ~ 8% TOTAL cpuidle.C1E-IVT.usage
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
32956 ~ 3% +17.5% 38713 ~ 8% brickland3/qperf/600s
32956 ~ 3% +17.5% 38713 ~ 8% TOTAL numa-meminfo.node3.Active
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
19858 ~ 1% -18.1% 16267 ~ 0% lkp-a03/will-it-scale/unlink1
19858 ~ 1% -18.1% 16267 ~ 0% TOTAL meminfo.SUnreclaim
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
403926 ~ 0% -17.3% 333985 ~ 1% lkp-sb03/qperf/600s
403926 ~ 0% -17.3% 333985 ~ 1% TOTAL cpuidle.C7-SNB.usage
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
74689352 ~ 1% -13.3% 64771743 ~ 2% bens/qperf/600s
2539322 ~ 0% -20.6% 2015084 ~ 0% lkp-a03/will-it-scale/unlink1
77228675 ~ 1% -13.5% 66786827 ~ 2% TOTAL proc-vmstat.pgalloc_normal
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
3.019e+08 ~ 1% -13.3% 2.618e+08 ~ 2% bens/qperf/600s
4047283 ~ 0% -20.6% 3214087 ~ 0% lkp-a03/will-it-scale/unlink1
3.059e+08 ~ 1% -13.4% 2.65e+08 ~ 2% TOTAL proc-vmstat.pgfree
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
124425 ~ 0% -16.4% 103999 ~ 0% lkp-a03/will-it-scale/unlink1
124425 ~ 0% -16.4% 103999 ~ 0% TOTAL cpuidle.C6-ATM.usage
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
23538414 ~ 0% -12.9% 20506157 ~ 2% bens/qperf/600s
2496727 ~ 0% -19.5% 2010351 ~ 0% lkp-a03/will-it-scale/unlink1
26035141 ~ 0% -13.5% 22516509 ~ 2% TOTAL proc-vmstat.numa_hit
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
23538414 ~ 0% -12.9% 20506157 ~ 2% bens/qperf/600s
2496727 ~ 0% -19.5% 2010351 ~ 0% lkp-a03/will-it-scale/unlink1
26035141 ~ 0% -13.5% 22516509 ~ 2% TOTAL proc-vmstat.numa_local
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
4196 ~ 4% -18.1% 3438 ~ 4% brickland3/qperf/600s
4196 ~ 4% -18.1% 3438 ~ 4% TOTAL meminfo.PageTables
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
1036 ~ 4% -17.6% 853 ~ 4% brickland3/qperf/600s
1036 ~ 4% -17.6% 853 ~ 4% TOTAL proc-vmstat.nr_page_table_pages
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
5817789 ~ 8% +18.0% 6867050 ~ 7% lkp-sb03/qperf/600s
5817789 ~ 8% +18.0% 6867050 ~ 7% TOTAL meminfo.DirectMap2M
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
48.12 ~ 0% -11.7% 42.46 ~ 6% brickland3/qperf/600s
48.12 ~ 0% -11.7% 42.46 ~ 6% TOTAL turbostat.%pc2
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
6542 ~ 6% +12.6% 7364 ~ 4% brickland3/qperf/600s
6542 ~ 6% +12.6% 7364 ~ 4% TOTAL numa-meminfo.node3.Active(anon)
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
1636 ~ 6% +12.5% 1841 ~ 4% brickland3/qperf/600s
1636 ~ 6% +12.5% 1841 ~ 4% TOTAL numa-vmstat.node3.nr_active_anon
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
1415 ~ 3% +13.3% 1602 ~ 1% brickland3/qperf/600s
1415 ~ 3% +13.3% 1602 ~ 1% TOTAL numa-meminfo.node1.KernelStack
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
47493 ~ 4% -11.0% 42252 ~ 5% brickland3/qperf/600s
47493 ~ 4% -11.0% 42252 ~ 5% TOTAL numa-meminfo.node1.Slab
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
12789 ~ 1% -10.9% 11391 ~ 2% bens/qperf/600s
12789 ~ 1% -10.9% 11391 ~ 2% TOTAL softirqs.HRTIMER
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
1275 ~ 7% -12.2% 1120 ~ 4% brickland3/qperf/600s
1275 ~ 7% -12.2% 1120 ~ 4% TOTAL numa-vmstat.node1.nr_anon_pages
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
8813 ~ 4% -11.7% 7784 ~ 6% brickland3/qperf/600s
8813 ~ 4% -11.7% 7784 ~ 6% TOTAL numa-vmstat.node1.nr_slab_unreclaimable
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
35254 ~ 4% -11.7% 31138 ~ 6% brickland3/qperf/600s
35254 ~ 4% -11.7% 31138 ~ 6% TOTAL numa-meminfo.node1.SUnreclaim
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
5095 ~ 7% -12.1% 4478 ~ 4% brickland3/qperf/600s
5095 ~ 7% -12.1% 4478 ~ 4% TOTAL numa-meminfo.node1.AnonPages
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
6764 ~ 5% +11.5% 7542 ~ 4% brickland3/qperf/600s
6764 ~ 5% +11.5% 7542 ~ 4% TOTAL numa-meminfo.node3.AnonPages
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
1691 ~ 5% +11.4% 1884 ~ 4% brickland3/qperf/600s
1691 ~ 5% +11.4% 1884 ~ 4% TOTAL numa-vmstat.node3.nr_anon_pages
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
0.99 ~10% +16.0% 1.15 ~ 8% bens/qperf/600s
0.99 ~10% +16.0% 1.15 ~ 8% TOTAL perf-profile.cpu-cycles.tcp_rcv_established.tcp_v4_do_rcv.tcp_prequeue_process.tcp_recvmsg.inet_recvmsg
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
10946 ~ 2% -9.0% 9957 ~ 1% lkp-sb03/qperf/600s
10946 ~ 2% -9.0% 9957 ~ 1% TOTAL slabinfo.kmalloc-192.active_objs
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
0.78 ~10% +18.9% 0.92 ~ 7% lkp-sb03/qperf/600s
0.78 ~10% +18.9% 0.92 ~ 7% TOTAL perf-profile.cpu-cycles.enqueue_entity.enqueue_task_fair.enqueue_task.activate_task.ttwu_do_activate
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
4838 ~ 4% -7.7% 4465 ~ 2% brickland3/qperf/600s
4838 ~ 4% -7.7% 4465 ~ 2% TOTAL slabinfo.signal_cache.num_objs
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
4838 ~ 4% -7.7% 4465 ~ 2% brickland3/qperf/600s
4838 ~ 4% -7.7% 4465 ~ 2% TOTAL slabinfo.signal_cache.active_objs
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
10948 ~ 2% -8.9% 9977 ~ 1% lkp-sb03/qperf/600s
10948 ~ 2% -8.9% 9977 ~ 1% TOTAL slabinfo.kmalloc-192.num_objs
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
8138 ~ 7% -12.2% 7145 ~ 2% lkp-sb03/qperf/600s
8138 ~ 7% -12.2% 7145 ~ 2% TOTAL slabinfo.anon_vma.active_objs
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
8138 ~ 7% -12.2% 7145 ~ 2% lkp-sb03/qperf/600s
8138 ~ 7% -12.2% 7145 ~ 2% TOTAL slabinfo.anon_vma.num_objs
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
1877 ~ 0% -9.5% 1699 ~ 0% lkp-a03/will-it-scale/unlink1
1877 ~ 0% -9.5% 1699 ~ 0% TOTAL slabinfo.dentry.active_slabs
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
1877 ~ 0% -9.5% 1699 ~ 0% lkp-a03/will-it-scale/unlink1
1877 ~ 0% -9.5% 1699 ~ 0% TOTAL slabinfo.dentry.num_slabs
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
39391 ~ 0% -9.5% 35638 ~ 0% lkp-a03/will-it-scale/unlink1
39391 ~ 0% -9.5% 35638 ~ 0% TOTAL slabinfo.dentry.active_objs
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
39441 ~ 0% -9.5% 35702 ~ 0% lkp-a03/will-it-scale/unlink1
39441 ~ 0% -9.5% 35702 ~ 0% TOTAL slabinfo.dentry.num_objs
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
481253 ~ 0% -8.9% 438624 ~ 0% bens/qperf/600s
481253 ~ 0% -8.9% 438624 ~ 0% TOTAL softirqs.TIMER
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
1297 ~33% +565.9% 8640 ~ 7% bens/iperf/300s-tcp
2788 ~ 3% +588.8% 19204 ~ 4% bens/qperf/600s
1191 ~ 5% +1200.9% 15493 ~ 4% brickland3/qperf/600s
1535 ~ 9% +3404.4% 53799 ~ 0% lkp-a03/will-it-scale/unlink1
1135 ~26% +1195.9% 14709 ~ 4% lkp-sb03/qperf/600s
7946 ~13% +1307.4% 111846 ~ 2% TOTAL time.involuntary_context_switches
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
42351859 ~ 0% -5.3% 40114932 ~ 0% bens/qperf/600s
43015383 ~ 1% -4.4% 41143092 ~ 0% brickland3/qperf/600s
7205 ~14% +320.9% 30329 ~ 5% lkp-a03/will-it-scale/unlink1
85374447 ~ 1% -4.8% 81288354 ~ 0% TOTAL time.voluntary_context_switches
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
141174 ~ 1% -5.4% 133551 ~ 0% bens/qperf/600s
143982 ~ 1% -4.4% 137600 ~ 0% brickland3/qperf/600s
2199 ~ 3% +34.1% 2949 ~ 1% lkp-a03/will-it-scale/unlink1
287355 ~ 1% -4.6% 274101 ~ 0% TOTAL vmstat.system.cs
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
72398 ~ 1% -5.4% 68503 ~ 0% bens/qperf/600s
3708 ~ 0% +2.0% 3781 ~ 0% lkp-a03/will-it-scale/unlink1
8789 ~ 4% +22.3% 10749 ~15% lkp-sb03/qperf/600s
84895 ~ 1% -2.2% 83034 ~ 2% TOTAL vmstat.system.in
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
1.51 ~ 0% -5.3% 1.43 ~ 1% brickland3/qperf/600s
5.43 ~ 1% -2.8% 5.28 ~ 0% lkp-sb03/qperf/600s
6.94 ~ 1% -3.3% 6.71 ~ 0% TOTAL turbostat.%c0
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
146 ~ 0% -2.2% 143 ~ 0% bens/qperf/600s
147 ~ 1% -4.8% 140 ~ 1% brickland3/qperf/600s
293 ~ 0% -3.5% 283 ~ 0% TOTAL time.percent_of_cpu_this_job_got
71a9b26963f8c2d 5057f55e543b7859cfd26bc28
--------------- -------------------------
872 ~ 0% -2.3% 853 ~ 0% bens/qperf/600s
874 ~ 1% -4.6% 834 ~ 1% brickland3/qperf/600s
1747 ~ 0% -3.4% 1687 ~ 0% TOTAL time.system_time
Legend:
~XX% - stddev percent
[+-]XX% - change percent
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,
Jet
[-- Attachment #2: reproduce.ksh --]
[-- Type: text/plain, Size: 325 bytes --]
echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor
./runtest.py unlink1 32 1 2 3 4
next reply other threads:[~2014-06-03 2:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-03 2:49 Jet Chen [this message]
2014-06-03 3:18 ` [rcu] 5057f55e543: +1307.4% time.involuntary_context_switches Fengguang Wu
2014-06-03 4:16 ` Jet Chen
2014-06-03 7:53 ` Fengguang Wu
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