From: Fengguang Wu <fengguang.wu@intel.com> To: Rik van Riel <riel@redhat.com> Cc: Dave Hansen <dave.hansen@intel.com>, LKML <linux-kernel@vger.kernel.org>, lkp@01.org, Ingo Molnar <mingo@elte.hu> Subject: [sched/fair] caeb178c60f: +252.0% cpuidle.C1-SNB.time, +3.1% turbostat.Pkg_W Date: Thu, 21 Aug 2014 22:01:34 +0800 [thread overview] Message-ID: <20140821140134.GB19246@localhost> (raw) [-- Attachment #1: Type: text/plain, Size: 11083 bytes --] Hi Rik, FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched/core commit caeb178c60f4f93f1b45c0bc056b5cf6d217b67f ("sched/fair: Make update_sd_pick_busiest() return 'true' on a busier sd") testbox/testcase/testparams: lkp-sb03/nepim/300s-100%-tcp6 743cb1ff191f00f caeb178c60f4f93f1b45c0bc0 --------------- ------------------------- 29718911 ±45% +329.5% 1.277e+08 ±10% cpuidle.C1E-SNB.time 861 ±34% +1590.4% 14564 ±31% cpuidle.C3-SNB.usage 1.65e+08 ±20% +175.4% 4.544e+08 ±15% cpuidle.C1-SNB.time 24 ±41% +247.6% 86 ±23% numa-numastat.node1.other_node 27717 ±11% +98.7% 55085 ± 6% softirqs.RCU 180767 ±11% +86.7% 337416 ±10% cpuidle.C7-SNB.usage 104591 ±14% +77.4% 185581 ±10% cpuidle.C1E-SNB.usage 384 ±10% +33.3% 512 ±11% slabinfo.kmem_cache.num_objs 384 ±10% +33.3% 512 ±11% slabinfo.kmem_cache.active_objs 494 ± 8% +25.9% 622 ± 9% slabinfo.kmem_cache_node.active_objs 512 ± 7% +25.0% 640 ± 8% slabinfo.kmem_cache_node.num_objs 83427 ± 6% +10.3% 92028 ± 5% meminfo.DirectMap4k 9508 ± 1% +21.3% 11534 ± 7% slabinfo.kmalloc-512.active_objs 9838 ± 1% +20.5% 11852 ± 6% slabinfo.kmalloc-512.num_objs 53997 ± 6% +11.1% 59981 ± 4% numa-meminfo.node1.Slab 2662 ± 3% -9.0% 2424 ± 3% slabinfo.kmalloc-96.active_objs 2710 ± 3% -8.6% 2478 ± 3% slabinfo.kmalloc-96.num_objs 921 ±41% +3577.7% 33901 ±14% time.involuntary_context_switches 2371 ± 2% +15.5% 2739 ± 2% vmstat.system.in testbox/testcase/testparams: lkp-sb03/nepim/300s-100%-tcp 743cb1ff191f00f caeb178c60f4f93f1b45c0bc0 --------------- ------------------------- 20657207 ±31% +358.2% 94650352 ±18% cpuidle.C1E-SNB.time 29718911 ±45% +329.5% 1.277e+08 ±10% cpuidle.C1E-SNB.time 861 ±34% +1590.4% 14564 ±31% cpuidle.C3-SNB.usage 0.05 ±46% +812.5% 0.44 ±34% turbostat.%c3 1.12e+08 ±25% +364.8% 5.207e+08 ±15% cpuidle.C1-SNB.time 1.65e+08 ±20% +175.4% 4.544e+08 ±15% cpuidle.C1-SNB.time 35 ±19% +105.6% 72 ±28% numa-numastat.node1.other_node 24 ±41% +247.6% 86 ±23% numa-numastat.node1.other_node 43 ±22% +86.2% 80 ±26% numa-vmstat.node0.nr_dirtied 24576 ± 6% +113.9% 52574 ± 1% softirqs.RCU 27717 ±11% +98.7% 55085 ± 6% softirqs.RCU 211533 ± 6% +58.4% 334990 ± 8% cpuidle.C7-SNB.usage 180767 ±11% +86.7% 337416 ±10% cpuidle.C7-SNB.usage 77739 ±13% +52.9% 118876 ±18% cpuidle.C1E-SNB.usage 104591 ±14% +77.4% 185581 ±10% cpuidle.C1E-SNB.usage 32.09 ±14% -24.8% 24.12 ±18% turbostat.%pc2 9.04 ± 6% +41.6% 12.80 ± 6% turbostat.%c1 384 ±10% +33.3% 512 ±11% slabinfo.kmem_cache.num_objs 384 ±10% +33.3% 512 ±11% slabinfo.kmem_cache.active_objs 494 ± 8% +25.9% 622 ± 9% slabinfo.kmem_cache_node.active_objs 512 ± 7% +25.0% 640 ± 8% slabinfo.kmem_cache_node.num_objs 379 ± 9% +16.7% 443 ± 7% numa-vmstat.node0.nr_page_table_pages 83427 ± 6% +10.3% 92028 ± 5% meminfo.DirectMap4k 1579 ± 6% -15.3% 1338 ± 7% numa-meminfo.node1.PageTables 394 ± 6% -15.1% 334 ± 7% numa-vmstat.node1.nr_page_table_pages 1509 ± 7% +16.6% 1760 ± 7% numa-meminfo.node0.PageTables 12681 ± 1% -17.3% 10482 ±14% numa-meminfo.node1.AnonPages 3169 ± 1% -17.3% 2620 ±14% numa-vmstat.node1.nr_anon_pages 10171 ± 3% +10.9% 11283 ± 3% slabinfo.kmalloc-512.active_objs 9508 ± 1% +21.3% 11534 ± 7% slabinfo.kmalloc-512.active_objs 10481 ± 3% +10.9% 11620 ± 3% slabinfo.kmalloc-512.num_objs 9838 ± 1% +20.5% 11852 ± 6% slabinfo.kmalloc-512.num_objs 53997 ± 6% +11.1% 59981 ± 4% numa-meminfo.node1.Slab 5072 ± 1% +11.6% 5662 ± 3% slabinfo.kmalloc-2048.num_objs 4974 ± 1% +11.6% 5551 ± 3% slabinfo.kmalloc-2048.active_objs 12824 ± 2% -16.1% 10754 ±14% numa-meminfo.node1.Active(anon) 3205 ± 2% -16.2% 2687 ±14% numa-vmstat.node1.nr_active_anon 2662 ± 3% -9.0% 2424 ± 3% slabinfo.kmalloc-96.active_objs 2710 ± 3% -8.6% 2478 ± 3% slabinfo.kmalloc-96.num_objs 15791 ± 1% +15.2% 18192 ± 9% numa-meminfo.node0.AnonPages 3949 ± 1% +15.2% 4549 ± 9% numa-vmstat.node0.nr_anon_pages 13669 ± 1% -7.5% 12645 ± 2% slabinfo.kmalloc-16.num_objs 662 ±23% +4718.6% 31918 ±12% time.involuntary_context_switches 921 ±41% +3577.7% 33901 ±14% time.involuntary_context_switches 2463 ± 1% +13.1% 2786 ± 3% vmstat.system.in 2371 ± 2% +15.5% 2739 ± 2% vmstat.system.in 49.40 ± 2% +4.8% 51.79 ± 2% turbostat.Cor_W 77.48 ± 1% +3.1% 79.91 ± 1% turbostat.Pkg_W testbox/testcase/testparams: lkp-st02/dd-write/5m-11HDD-RAID5-cfq-xfs-1dd 743cb1ff191f00f caeb178c60f4f93f1b45c0bc0 --------------- ------------------------- 18571 ± 7% +31.4% 24396 ± 4% proc-vmstat.pgscan_direct_normal 39983 ± 2% +38.3% 55286 ± 0% perf-stat.cpu-migrations 4193962 ± 2% +20.9% 5072009 ± 3% perf-stat.iTLB-load-misses 4.568e+09 ± 2% -17.2% 3.781e+09 ± 1% perf-stat.L1-icache-load-misses 1.762e+10 ± 0% -7.8% 1.625e+10 ± 1% perf-stat.cache-references 1.408e+09 ± 1% -6.6% 1.315e+09 ± 1% perf-stat.branch-load-misses 1.407e+09 ± 1% -6.5% 1.316e+09 ± 1% perf-stat.branch-misses 6.839e+09 ± 1% +5.0% 7.185e+09 ± 2% perf-stat.LLC-loads 1.558e+10 ± 0% +3.5% 1.612e+10 ± 1% perf-stat.L1-dcache-load-misses 1.318e+12 ± 0% +3.4% 1.363e+12 ± 0% perf-stat.L1-icache-loads 2.979e+10 ± 1% +2.4% 3.051e+10 ± 0% perf-stat.L1-dcache-store-misses 1.893e+11 ± 0% +2.5% 1.94e+11 ± 0% perf-stat.branch-instructions 2.298e+11 ± 0% +2.7% 2.361e+11 ± 0% perf-stat.L1-dcache-stores 1.016e+12 ± 0% +2.6% 1.042e+12 ± 0% perf-stat.instructions 1.892e+11 ± 0% +2.5% 1.94e+11 ± 0% perf-stat.branch-loads 3.71e+11 ± 0% +2.4% 3.799e+11 ± 0% perf-stat.dTLB-loads 3.711e+11 ± 0% +2.3% 3.798e+11 ± 0% perf-stat.L1-dcache-loads 325768 ± 0% +2.7% 334461 ± 0% vmstat.io.bo 8083 ± 0% +2.4% 8278 ± 0% iostat.sdf.wrqm/s 8083 ± 0% +2.4% 8278 ± 0% iostat.sdk.wrqm/s 8082 ± 0% +2.4% 8276 ± 0% iostat.sdg.wrqm/s 32615 ± 0% +2.4% 33398 ± 0% iostat.sdf.wkB/s 32617 ± 0% +2.4% 33401 ± 0% iostat.sdk.wkB/s 32612 ± 0% +2.4% 33393 ± 0% iostat.sdg.wkB/s 8083 ± 0% +2.4% 8277 ± 0% iostat.sdl.wrqm/s 8083 ± 0% +2.4% 8276 ± 0% iostat.sdi.wrqm/s 8082 ± 0% +2.4% 8277 ± 0% iostat.sdc.wrqm/s 32614 ± 0% +2.4% 33396 ± 0% iostat.sdl.wkB/s 8083 ± 0% +2.4% 8278 ± 0% iostat.sde.wrqm/s 8082 ± 0% +2.4% 8277 ± 0% iostat.sdh.wrqm/s 8083 ± 0% +2.4% 8277 ± 0% iostat.sdd.wrqm/s 32614 ± 0% +2.4% 33393 ± 0% iostat.sdi.wkB/s 32611 ± 0% +2.4% 33395 ± 0% iostat.sdc.wkB/s 325759 ± 0% +2.4% 333577 ± 0% iostat.md0.wkB/s 1274 ± 0% +2.4% 1305 ± 0% iostat.md0.w/s 8082 ± 0% +2.4% 8277 ± 0% iostat.sdb.wrqm/s 32618 ± 0% +2.4% 33398 ± 0% iostat.sde.wkB/s 32612 ± 0% +2.4% 33395 ± 0% iostat.sdh.wkB/s 32618 ± 0% +2.4% 33397 ± 0% iostat.sdd.wkB/s 8084 ± 0% +2.4% 8278 ± 0% iostat.sdj.wrqm/s 32611 ± 0% +2.4% 33396 ± 0% iostat.sdb.wkB/s 32618 ± 0% +2.4% 33400 ± 0% iostat.sdj.wkB/s 2.3e+11 ± 0% +2.5% 2.357e+11 ± 0% perf-stat.dTLB-stores 4898 ± 0% +2.1% 5003 ± 0% vmstat.system.cs 1.017e+12 ± 0% +2.4% 1.042e+12 ± 0% perf-stat.iTLB-loads 1518279 ± 0% +2.1% 1549457 ± 0% perf-stat.context-switches 1.456e+12 ± 0% +1.4% 1.476e+12 ± 0% perf-stat.cpu-cycles 1.456e+12 ± 0% +1.3% 1.475e+12 ± 0% perf-stat.ref-cycles 1.819e+11 ± 0% +1.3% 1.843e+11 ± 0% perf-stat.bus-cycles lkp-sb03 is a Sandy Bridge-EP server. Memory: 64G Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 32 On-line CPU(s) list: 0-31 Thread(s) per core: 2 Core(s) per socket: 8 Socket(s): 2 NUMA node(s): 2 Vendor ID: GenuineIntel CPU family: 6 Model: 45 Stepping: 6 CPU MHz: 3500.613 BogoMIPS: 5391.16 Virtualization: VT-x L1d cache: 32K L1i cache: 32K L2 cache: 256K L3 cache: 20480K NUMA node0 CPU(s): 0-7,16-23 NUMA node1 CPU(s): 8-15,24-31 lkp-st02 is Core2 Memory: 8G time.involuntary_context_switches 40000 O+------------------------------------------------------------------+ | O O O | 35000 ++O O O O O O | 30000 ++ O O O | | O O O | 25000 ++ O O | | | 20000 ++ | | | 15000 ++ | 10000 ++ | | | 5000 ++ | | .*. | 0 *+*--*-*-*-*--*-*-*-*--*-*-*-*--*-*-*--*-*-*-*--*---*-*--*-*-*-*--*-* [*] 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 [-- Attachment #2: reproduce --] [-- Type: text/plain, Size: 2403 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/cpu10/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu11/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu12/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu13/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu14/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu15/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu16/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu17/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu18/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu19/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu20/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu21/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu22/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu23/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu24/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu25/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu26/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu27/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu28/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu29/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu30/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu31/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu5/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu6/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu7/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu8/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu9/cpufreq/scaling_governor ./nepim ./nepim -c 127.0.0.1 -d -a 300 -n 32
WARNING: multiple messages have this Message-ID (diff)
From: Fengguang Wu <fengguang.wu@intel.com> To: lkp@lists.01.org Subject: [sched/fair] caeb178c60f: +252.0% cpuidle.C1-SNB.time, +3.1% turbostat.Pkg_W Date: Thu, 21 Aug 2014 22:01:34 +0800 [thread overview] Message-ID: <20140821140134.GB19246@localhost> (raw) [-- Attachment #1: Type: text/plain, Size: 11282 bytes --] Hi Rik, FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched/core commit caeb178c60f4f93f1b45c0bc056b5cf6d217b67f ("sched/fair: Make update_sd_pick_busiest() return 'true' on a busier sd") testbox/testcase/testparams: lkp-sb03/nepim/300s-100%-tcp6 743cb1ff191f00f caeb178c60f4f93f1b45c0bc0 --------------- ------------------------- 29718911 ±45% +329.5% 1.277e+08 ±10% cpuidle.C1E-SNB.time 861 ±34% +1590.4% 14564 ±31% cpuidle.C3-SNB.usage 1.65e+08 ±20% +175.4% 4.544e+08 ±15% cpuidle.C1-SNB.time 24 ±41% +247.6% 86 ±23% numa-numastat.node1.other_node 27717 ±11% +98.7% 55085 ± 6% softirqs.RCU 180767 ±11% +86.7% 337416 ±10% cpuidle.C7-SNB.usage 104591 ±14% +77.4% 185581 ±10% cpuidle.C1E-SNB.usage 384 ±10% +33.3% 512 ±11% slabinfo.kmem_cache.num_objs 384 ±10% +33.3% 512 ±11% slabinfo.kmem_cache.active_objs 494 ± 8% +25.9% 622 ± 9% slabinfo.kmem_cache_node.active_objs 512 ± 7% +25.0% 640 ± 8% slabinfo.kmem_cache_node.num_objs 83427 ± 6% +10.3% 92028 ± 5% meminfo.DirectMap4k 9508 ± 1% +21.3% 11534 ± 7% slabinfo.kmalloc-512.active_objs 9838 ± 1% +20.5% 11852 ± 6% slabinfo.kmalloc-512.num_objs 53997 ± 6% +11.1% 59981 ± 4% numa-meminfo.node1.Slab 2662 ± 3% -9.0% 2424 ± 3% slabinfo.kmalloc-96.active_objs 2710 ± 3% -8.6% 2478 ± 3% slabinfo.kmalloc-96.num_objs 921 ±41% +3577.7% 33901 ±14% time.involuntary_context_switches 2371 ± 2% +15.5% 2739 ± 2% vmstat.system.in testbox/testcase/testparams: lkp-sb03/nepim/300s-100%-tcp 743cb1ff191f00f caeb178c60f4f93f1b45c0bc0 --------------- ------------------------- 20657207 ±31% +358.2% 94650352 ±18% cpuidle.C1E-SNB.time 29718911 ±45% +329.5% 1.277e+08 ±10% cpuidle.C1E-SNB.time 861 ±34% +1590.4% 14564 ±31% cpuidle.C3-SNB.usage 0.05 ±46% +812.5% 0.44 ±34% turbostat.%c3 1.12e+08 ±25% +364.8% 5.207e+08 ±15% cpuidle.C1-SNB.time 1.65e+08 ±20% +175.4% 4.544e+08 ±15% cpuidle.C1-SNB.time 35 ±19% +105.6% 72 ±28% numa-numastat.node1.other_node 24 ±41% +247.6% 86 ±23% numa-numastat.node1.other_node 43 ±22% +86.2% 80 ±26% numa-vmstat.node0.nr_dirtied 24576 ± 6% +113.9% 52574 ± 1% softirqs.RCU 27717 ±11% +98.7% 55085 ± 6% softirqs.RCU 211533 ± 6% +58.4% 334990 ± 8% cpuidle.C7-SNB.usage 180767 ±11% +86.7% 337416 ±10% cpuidle.C7-SNB.usage 77739 ±13% +52.9% 118876 ±18% cpuidle.C1E-SNB.usage 104591 ±14% +77.4% 185581 ±10% cpuidle.C1E-SNB.usage 32.09 ±14% -24.8% 24.12 ±18% turbostat.%pc2 9.04 ± 6% +41.6% 12.80 ± 6% turbostat.%c1 384 ±10% +33.3% 512 ±11% slabinfo.kmem_cache.num_objs 384 ±10% +33.3% 512 ±11% slabinfo.kmem_cache.active_objs 494 ± 8% +25.9% 622 ± 9% slabinfo.kmem_cache_node.active_objs 512 ± 7% +25.0% 640 ± 8% slabinfo.kmem_cache_node.num_objs 379 ± 9% +16.7% 443 ± 7% numa-vmstat.node0.nr_page_table_pages 83427 ± 6% +10.3% 92028 ± 5% meminfo.DirectMap4k 1579 ± 6% -15.3% 1338 ± 7% numa-meminfo.node1.PageTables 394 ± 6% -15.1% 334 ± 7% numa-vmstat.node1.nr_page_table_pages 1509 ± 7% +16.6% 1760 ± 7% numa-meminfo.node0.PageTables 12681 ± 1% -17.3% 10482 ±14% numa-meminfo.node1.AnonPages 3169 ± 1% -17.3% 2620 ±14% numa-vmstat.node1.nr_anon_pages 10171 ± 3% +10.9% 11283 ± 3% slabinfo.kmalloc-512.active_objs 9508 ± 1% +21.3% 11534 ± 7% slabinfo.kmalloc-512.active_objs 10481 ± 3% +10.9% 11620 ± 3% slabinfo.kmalloc-512.num_objs 9838 ± 1% +20.5% 11852 ± 6% slabinfo.kmalloc-512.num_objs 53997 ± 6% +11.1% 59981 ± 4% numa-meminfo.node1.Slab 5072 ± 1% +11.6% 5662 ± 3% slabinfo.kmalloc-2048.num_objs 4974 ± 1% +11.6% 5551 ± 3% slabinfo.kmalloc-2048.active_objs 12824 ± 2% -16.1% 10754 ±14% numa-meminfo.node1.Active(anon) 3205 ± 2% -16.2% 2687 ±14% numa-vmstat.node1.nr_active_anon 2662 ± 3% -9.0% 2424 ± 3% slabinfo.kmalloc-96.active_objs 2710 ± 3% -8.6% 2478 ± 3% slabinfo.kmalloc-96.num_objs 15791 ± 1% +15.2% 18192 ± 9% numa-meminfo.node0.AnonPages 3949 ± 1% +15.2% 4549 ± 9% numa-vmstat.node0.nr_anon_pages 13669 ± 1% -7.5% 12645 ± 2% slabinfo.kmalloc-16.num_objs 662 ±23% +4718.6% 31918 ±12% time.involuntary_context_switches 921 ±41% +3577.7% 33901 ±14% time.involuntary_context_switches 2463 ± 1% +13.1% 2786 ± 3% vmstat.system.in 2371 ± 2% +15.5% 2739 ± 2% vmstat.system.in 49.40 ± 2% +4.8% 51.79 ± 2% turbostat.Cor_W 77.48 ± 1% +3.1% 79.91 ± 1% turbostat.Pkg_W testbox/testcase/testparams: lkp-st02/dd-write/5m-11HDD-RAID5-cfq-xfs-1dd 743cb1ff191f00f caeb178c60f4f93f1b45c0bc0 --------------- ------------------------- 18571 ± 7% +31.4% 24396 ± 4% proc-vmstat.pgscan_direct_normal 39983 ± 2% +38.3% 55286 ± 0% perf-stat.cpu-migrations 4193962 ± 2% +20.9% 5072009 ± 3% perf-stat.iTLB-load-misses 4.568e+09 ± 2% -17.2% 3.781e+09 ± 1% perf-stat.L1-icache-load-misses 1.762e+10 ± 0% -7.8% 1.625e+10 ± 1% perf-stat.cache-references 1.408e+09 ± 1% -6.6% 1.315e+09 ± 1% perf-stat.branch-load-misses 1.407e+09 ± 1% -6.5% 1.316e+09 ± 1% perf-stat.branch-misses 6.839e+09 ± 1% +5.0% 7.185e+09 ± 2% perf-stat.LLC-loads 1.558e+10 ± 0% +3.5% 1.612e+10 ± 1% perf-stat.L1-dcache-load-misses 1.318e+12 ± 0% +3.4% 1.363e+12 ± 0% perf-stat.L1-icache-loads 2.979e+10 ± 1% +2.4% 3.051e+10 ± 0% perf-stat.L1-dcache-store-misses 1.893e+11 ± 0% +2.5% 1.94e+11 ± 0% perf-stat.branch-instructions 2.298e+11 ± 0% +2.7% 2.361e+11 ± 0% perf-stat.L1-dcache-stores 1.016e+12 ± 0% +2.6% 1.042e+12 ± 0% perf-stat.instructions 1.892e+11 ± 0% +2.5% 1.94e+11 ± 0% perf-stat.branch-loads 3.71e+11 ± 0% +2.4% 3.799e+11 ± 0% perf-stat.dTLB-loads 3.711e+11 ± 0% +2.3% 3.798e+11 ± 0% perf-stat.L1-dcache-loads 325768 ± 0% +2.7% 334461 ± 0% vmstat.io.bo 8083 ± 0% +2.4% 8278 ± 0% iostat.sdf.wrqm/s 8083 ± 0% +2.4% 8278 ± 0% iostat.sdk.wrqm/s 8082 ± 0% +2.4% 8276 ± 0% iostat.sdg.wrqm/s 32615 ± 0% +2.4% 33398 ± 0% iostat.sdf.wkB/s 32617 ± 0% +2.4% 33401 ± 0% iostat.sdk.wkB/s 32612 ± 0% +2.4% 33393 ± 0% iostat.sdg.wkB/s 8083 ± 0% +2.4% 8277 ± 0% iostat.sdl.wrqm/s 8083 ± 0% +2.4% 8276 ± 0% iostat.sdi.wrqm/s 8082 ± 0% +2.4% 8277 ± 0% iostat.sdc.wrqm/s 32614 ± 0% +2.4% 33396 ± 0% iostat.sdl.wkB/s 8083 ± 0% +2.4% 8278 ± 0% iostat.sde.wrqm/s 8082 ± 0% +2.4% 8277 ± 0% iostat.sdh.wrqm/s 8083 ± 0% +2.4% 8277 ± 0% iostat.sdd.wrqm/s 32614 ± 0% +2.4% 33393 ± 0% iostat.sdi.wkB/s 32611 ± 0% +2.4% 33395 ± 0% iostat.sdc.wkB/s 325759 ± 0% +2.4% 333577 ± 0% iostat.md0.wkB/s 1274 ± 0% +2.4% 1305 ± 0% iostat.md0.w/s 8082 ± 0% +2.4% 8277 ± 0% iostat.sdb.wrqm/s 32618 ± 0% +2.4% 33398 ± 0% iostat.sde.wkB/s 32612 ± 0% +2.4% 33395 ± 0% iostat.sdh.wkB/s 32618 ± 0% +2.4% 33397 ± 0% iostat.sdd.wkB/s 8084 ± 0% +2.4% 8278 ± 0% iostat.sdj.wrqm/s 32611 ± 0% +2.4% 33396 ± 0% iostat.sdb.wkB/s 32618 ± 0% +2.4% 33400 ± 0% iostat.sdj.wkB/s 2.3e+11 ± 0% +2.5% 2.357e+11 ± 0% perf-stat.dTLB-stores 4898 ± 0% +2.1% 5003 ± 0% vmstat.system.cs 1.017e+12 ± 0% +2.4% 1.042e+12 ± 0% perf-stat.iTLB-loads 1518279 ± 0% +2.1% 1549457 ± 0% perf-stat.context-switches 1.456e+12 ± 0% +1.4% 1.476e+12 ± 0% perf-stat.cpu-cycles 1.456e+12 ± 0% +1.3% 1.475e+12 ± 0% perf-stat.ref-cycles 1.819e+11 ± 0% +1.3% 1.843e+11 ± 0% perf-stat.bus-cycles lkp-sb03 is a Sandy Bridge-EP server. Memory: 64G Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 32 On-line CPU(s) list: 0-31 Thread(s) per core: 2 Core(s) per socket: 8 Socket(s): 2 NUMA node(s): 2 Vendor ID: GenuineIntel CPU family: 6 Model: 45 Stepping: 6 CPU MHz: 3500.613 BogoMIPS: 5391.16 Virtualization: VT-x L1d cache: 32K L1i cache: 32K L2 cache: 256K L3 cache: 20480K NUMA node0 CPU(s): 0-7,16-23 NUMA node1 CPU(s): 8-15,24-31 lkp-st02 is Core2 Memory: 8G time.involuntary_context_switches 40000 O+------------------------------------------------------------------+ | O O O | 35000 ++O O O O O O | 30000 ++ O O O | | O O O | 25000 ++ O O | | | 20000 ++ | | | 15000 ++ | 10000 ++ | | | 5000 ++ | | .*. | 0 *+*--*-*-*-*--*-*-*-*--*-*-*-*--*-*-*--*-*-*-*--*---*-*--*-*-*-*--*-* [*] 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 [-- Attachment #2: reproduce.ksh --] [-- Type: text/plain, Size: 2403 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/cpu10/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu11/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu12/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu13/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu14/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu15/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu16/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu17/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu18/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu19/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu20/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu21/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu22/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu23/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu24/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu25/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu26/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu27/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu28/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu29/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu30/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu31/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu5/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu6/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu7/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu8/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu9/cpufreq/scaling_governor ./nepim ./nepim -c 127.0.0.1 -d -a 300 -n 32
next reply other threads:[~2014-08-21 14:02 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-08-21 14:01 Fengguang Wu [this message] 2014-08-21 14:01 ` [sched/fair] caeb178c60f: +252.0% cpuidle.C1-SNB.time, +3.1% turbostat.Pkg_W Fengguang Wu 2014-08-21 14:16 ` Rik van Riel 2014-08-21 14:16 ` Rik van Riel 2014-08-21 15:00 ` Fengguang Wu 2014-08-21 15:00 ` Fengguang Wu
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