From: Fengguang Wu <fengguang.wu@intel.com>
To: lkp@lists.01.org
Subject: Re: [rcu] 5057f55e543: +1307.4% time.involuntary_context_switches
Date: Tue, 03 Jun 2014 11:18:28 +0800 [thread overview]
Message-ID: <20140603031828.GB9092@localhost> (raw)
In-Reply-To: <538D37A7.8050200@intel.com>
[-- Attachment #1: Type: text/plain, Size: 23019 bytes --]
On Tue, Jun 03, 2014 at 10:49:11AM +0800, Jet Chen wrote:
> 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:
What's the kernels it's comparing? The headers here should not be
removed.
> 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:
What's the command for producing the full result?
Thanks,
Fengguang
> 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
>
> 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 prev parent reply other threads:[~2014-06-03 3:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-03 2:49 [rcu] 5057f55e543: +1307.4% time.involuntary_context_switches Jet Chen
2014-06-03 3:18 ` Fengguang Wu [this message]
2014-06-03 4:16 ` Jet Chen
2014-06-03 7:53 ` Fengguang Wu
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