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Date: Wed, 6 Aug 2014 05:28:41 +0800 From: Fengguang Wu <fengguang.wu@...el.com> To: Yuyang Du <yuyang.du@...el.com> Cc: LKML <linux-kernel@...r.kernel.org>, lkp@...org Subject: [sched] 40c5e72463e: +64.8% hackbench.throughput Hi Yuyang, FYI, we noticed the below changes on git://bee.sh.intel.com/git/ydu19/linux rewrite-v5-on-3.16-rc7 commit 40c5e72463e42659e15eba0c8c2f46f96f703fac ("sched: Rewrite per entity runnable load average tracking") d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 153447 ± 6% +64.8% 252931 ± 0% lkp-snb01/hackbench/1600%-process-pipe 153447 ± 6% +64.8% 252931 ± 0% TOTAL hackbench.throughput d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1.02 ±44% -89.3% 0.11 ±29% lkp-snb01/hackbench/1600%-process-pipe 1.02 ±44% -89.3% 0.11 ±29% TOTAL perf-profile.cpu-cycles.__schedule.schedule_user.sysret_careful.__write_nocancel d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 9166 ±15% +703.0% 73599 ± 1% lkp-snb01/hackbench/1600%-process-pipe 9166 ±15% +703.0% 73599 ± 1% TOTAL numa-vmstat.node1.numa_other d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1.49 ±12% -100.0% 0.00 ± 0% xps2/pigz/100%-512K 1.49 ±12% -100.0% 0.00 ± 0% TOTAL perf-profile.cpu-cycles.update_cfs_rq_blocked_load.task_tick_fair.scheduler_tick.update_process_times.tick_sched_handle d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 0.64 ±40% -85.6% 0.09 ±18% lkp-snb01/hackbench/1600%-process-pipe 0.64 ±40% -85.6% 0.09 ±18% TOTAL perf-profile.cpu-cycles.__switch_to.__write_nocancel d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 2.319e+08 ±10% +368.0% 1.085e+09 ± 1% lkp-snb01/hackbench/1600%-process-pipe 2.319e+08 ±10% +368.0% 1.085e+09 ± 1% TOTAL cpuidle.C1-SNB.time d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 2658 ±40% +240.4% 9049 ±14% lkp-snb01/hackbench/1600%-process-pipe 2658 ±40% +240.4% 9049 ±14% TOTAL numa-vmstat.node0.nr_kernel_stack d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 42829 ±40% +233.0% 142608 ±14% lkp-snb01/hackbench/1600%-process-pipe 42829 ±40% +233.0% 142608 ±14% TOTAL numa-meminfo.node0.KernelStack d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 3.41 ±11% -69.8% 1.03 ± 7% lkp-snb01/hackbench/1600%-process-pipe 3.41 ±11% -69.8% 1.03 ± 7% TOTAL turbostat.%c7 d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1.11 ±36% -71.1% 0.32 ±17% lkp-snb01/hackbench/1600%-process-pipe 1.11 ±36% -71.1% 0.32 ±17% TOTAL perf-profile.cpu-cycles.select_task_rq_fair.try_to_wake_up.default_wake_function.autoremove_wake_function.__wake_up_common d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 3629 ±20% -60.8% 1421 ±11% lkp-snb01/hackbench/1600%-process-pipe 3629 ±20% -60.8% 1421 ±11% TOTAL cpuidle.C3-SNB.usage d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1.17 ±29% -67.6% 0.38 ±12% lkp-snb01/hackbench/1600%-process-pipe 1.17 ±29% -67.6% 0.38 ±12% TOTAL perf-profile.cpu-cycles.__switch_to.__read_nocancel d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 2.52 ±39% -70.6% 0.74 ±17% lkp-snb01/hackbench/1600%-process-pipe 2.52 ±39% -70.6% 0.74 ±17% TOTAL perf-profile.cpu-cycles.__schedule.schedule.pipe_wait.pipe_read.new_sync_read d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 21455 ±32% +183.8% 60881 ±12% lkp-snb01/hackbench/1600%-process-pipe 21455 ±32% +183.8% 60881 ±12% TOTAL numa-vmstat.node0.nr_slab_unreclaimable d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 2.79 ± 9% +177.2% 7.75 ± 0% lkp-snb01/hackbench/1600%-process-pipe 2.79 ± 9% +177.2% 7.75 ± 0% TOTAL turbostat.%c1 d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 86194 ±32% +180.9% 242116 ±13% lkp-snb01/hackbench/1600%-process-pipe 86194 ±32% +180.9% 242116 ±13% TOTAL numa-meminfo.node0.SUnreclaim d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 226 ±10% +149.5% 563 ±22% lkp-snb01/hackbench/1600%-process-pipe 226 ±10% +149.5% 563 ±22% TOTAL slabinfo.nfs_read_data.active_objs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 226 ±10% +149.5% 563 ±22% lkp-snb01/hackbench/1600%-process-pipe 226 ±10% +149.5% 563 ±22% TOTAL slabinfo.nfs_read_data.num_objs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 19845625 ± 7% -64.3% 7081268 ± 9% lkp-snb01/hackbench/1600%-process-pipe 19845625 ± 7% -64.3% 7081268 ± 9% TOTAL cpuidle.C1-SNB.usage d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 0.79 ±40% -67.9% 0.25 ± 9% lkp-snb01/hackbench/1600%-process-pipe 0.79 ±40% -67.9% 0.25 ± 9% TOTAL perf-profile.cpu-cycles.enqueue_entity.enqueue_task_fair.enqueue_task.activate_task.ttwu_do_activate d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 65227388 ±15% +144.4% 1.594e+08 ± 1% lkp-snb01/hackbench/1600%-process-pipe 65227388 ±15% +144.4% 1.594e+08 ± 1% TOTAL numa-numastat.node0.local_node d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 65230757 ±15% +144.3% 1.594e+08 ± 1% lkp-snb01/hackbench/1600%-process-pipe 65230757 ±15% +144.3% 1.594e+08 ± 1% TOTAL numa-numastat.node0.numa_hit d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 12740359 ±15% +142.5% 30890379 ± 1% lkp-snb01/hackbench/1600%-process-pipe 12740359 ±15% +142.5% 30890379 ± 1% TOTAL proc-vmstat.pgalloc_dma32 d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 74621961 ±14% +165.6% 1.982e+08 ± 9% lkp-snb01/hackbench/1600%-process-pipe 74621961 ±14% +165.6% 1.982e+08 ± 9% TOTAL cpuidle.C1E-SNB.time d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1.26 ±29% -58.4% 0.53 ±28% lkp-snb01/hackbench/1600%-process-pipe 1.26 ±29% -58.4% 0.53 ±28% TOTAL perf-profile.cpu-cycles._raw_spin_lock.try_to_wake_up.default_wake_function.autoremove_wake_function.__wake_up_common d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 110174 ±25% +145.0% 269959 ±11% lkp-snb01/hackbench/1600%-process-pipe 110174 ±25% +145.0% 269959 ±11% TOTAL numa-meminfo.node0.Slab d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 251603 ±12% -50.5% 124607 ±17% lkp-snb01/hackbench/1600%-process-pipe 251603 ±12% -50.5% 124607 ±17% TOTAL numa-meminfo.node1.KernelStack d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 35446837 ±10% +128.9% 81153081 ± 3% lkp-snb01/hackbench/1600%-process-pipe 35446837 ±10% +128.9% 81153081 ± 3% TOTAL numa-vmstat.node0.numa_local d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 35512157 ±10% +128.5% 81153946 ± 3% lkp-snb01/hackbench/1600%-process-pipe 35512157 ±10% +128.5% 81153946 ± 3% TOTAL numa-vmstat.node0.numa_hit d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 49301 ±31% +142.9% 119747 ±19% xps2/pigz/100%-512K 49301 ±31% +142.9% 119747 ±19% TOTAL cpuidle.C1-NHM.time d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 15690 ±12% -50.7% 7735 ±15% lkp-snb01/hackbench/1600%-process-pipe 15690 ±12% -50.7% 7735 ±15% TOTAL numa-vmstat.node1.nr_kernel_stack d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 9.01e+08 ± 9% -52.7% 4.263e+08 ± 4% lkp-snb01/hackbench/1600%-process-pipe 9.01e+08 ± 9% -52.7% 4.263e+08 ± 4% TOTAL cpuidle.C7-SNB.time d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 413966 ±10% -47.6% 216914 ±15% lkp-snb01/hackbench/1600%-process-pipe 413966 ±10% -47.6% 216914 ±15% TOTAL numa-meminfo.node1.SUnreclaim d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 103395 ±10% -47.9% 53859 ±13% lkp-snb01/hackbench/1600%-process-pipe 103395 ±10% -47.9% 53859 ±13% TOTAL numa-vmstat.node1.nr_slab_unreclaimable d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 316 ±12% +100.0% 632 ±10% lkp-snb01/hackbench/1600%-process-pipe 316 ±12% +100.0% 632 ±10% TOTAL slabinfo.mnt_cache.num_objs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 316 ±12% +100.0% 632 ±10% lkp-snb01/hackbench/1600%-process-pipe 316 ±12% +100.0% 632 ±10% TOTAL slabinfo.mnt_cache.active_objs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 175 ±13% +81.9% 319 ±12% lkp-snb01/hackbench/1600%-process-pipe 175 ±13% +81.9% 319 ±12% TOTAL cpuidle.POLL.usage d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 447801 ± 9% -45.5% 243827 ±13% lkp-snb01/hackbench/1600%-process-pipe 447801 ± 9% -45.5% 243827 ±13% TOTAL numa-meminfo.node1.Slab d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1.599e+08 ± 6% +102.1% 3.233e+08 ± 1% lkp-snb01/hackbench/1600%-process-pipe 1.599e+08 ± 6% +102.1% 3.233e+08 ± 1% TOTAL proc-vmstat.numa_local d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1.599e+08 ± 6% +102.1% 3.233e+08 ± 1% lkp-snb01/hackbench/1600%-process-pipe 1.599e+08 ± 6% +102.1% 3.233e+08 ± 1% TOTAL proc-vmstat.numa_hit d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1.633e+08 ± 6% +101.2% 3.286e+08 ± 1% lkp-snb01/hackbench/1600%-process-pipe 1.633e+08 ± 6% +101.2% 3.286e+08 ± 1% TOTAL proc-vmstat.pgfree d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 362173 ±14% -67.0% 119526 ± 1% lkp-snb01/hackbench/1600%-process-pipe 17618 ± 1% -12.5% 15410 ± 1% xps2/pigz/100%-512K 379792 ±13% -64.5% 134936 ± 1% TOTAL softirqs.SCHED d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1.506e+08 ± 8% +97.7% 2.978e+08 ± 1% lkp-snb01/hackbench/1600%-process-pipe 1.506e+08 ± 8% +97.7% 2.978e+08 ± 1% TOTAL proc-vmstat.pgalloc_normal d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 363748 ±10% -38.8% 222459 ±13% lkp-snb01/hackbench/1600%-process-pipe 363748 ±10% -38.8% 222459 ±13% TOTAL numa-meminfo.node1.PageTables d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 46501465 ±25% +80.7% 84012112 ± 4% lkp-snb01/hackbench/1600%-process-pipe 46501465 ±25% +80.7% 84012112 ± 4% TOTAL numa-vmstat.node1.numa_hit d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 46492299 ±25% +80.5% 83938512 ± 4% lkp-snb01/hackbench/1600%-process-pipe 46492299 ±25% +80.5% 83938512 ± 4% TOTAL numa-vmstat.node1.numa_local d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 90828 ±10% -39.8% 54666 ±10% lkp-snb01/hackbench/1600%-process-pipe 90828 ±10% -39.8% 54666 ±10% TOTAL numa-vmstat.node1.nr_page_table_pages d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 2182344 ± 8% -36.1% 1394287 ±10% lkp-snb01/hackbench/1600%-process-pipe 2182344 ± 8% -36.1% 1394287 ±10% TOTAL numa-meminfo.node1.MemUsed d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 0.99 ±24% +46.2% 1.44 ±13% xps2/pigz/100%-512K 0.99 ±24% +46.2% 1.44 ±13% TOTAL perf-profile.cpu-cycles.update_cfs_shares.task_tick_fair.scheduler_tick.update_process_times.tick_sched_handle d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 169771 ± 5% +45.6% 247119 ±11% lkp-snb01/hackbench/1600%-process-pipe 169771 ± 5% +45.6% 247119 ±11% TOTAL numa-meminfo.node0.PageTables d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 42466 ± 5% +44.8% 61470 ±12% lkp-snb01/hackbench/1600%-process-pipe 42466 ± 5% +44.8% 61470 ±12% TOTAL numa-vmstat.node0.nr_page_table_pages d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 94704593 ±22% +73.1% 1.639e+08 ± 3% lkp-snb01/hackbench/1600%-process-pipe 94704593 ±22% +73.1% 1.639e+08 ± 3% TOTAL numa-numastat.node1.numa_hit d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 94703743 ±22% +73.1% 1.639e+08 ± 3% lkp-snb01/hackbench/1600%-process-pipe 94703743 ±22% +73.1% 1.639e+08 ± 3% TOTAL numa-numastat.node1.local_node d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 386264 ± 9% -29.0% 274232 ±12% lkp-snb01/hackbench/1600%-process-pipe 386264 ± 9% -29.0% 274232 ±12% TOTAL numa-meminfo.node1.AnonPages d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1.29 ±32% +72.4% 2.22 ± 5% lkp-snb01/hackbench/1600%-process-pipe 1.29 ±32% +72.4% 2.22 ± 5% TOTAL perf-profile.cpu-cycles.__sb_start_write.pipe_write.new_sync_write.vfs_write.sys_write d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 386033 ± 9% -28.9% 274285 ±12% lkp-snb01/hackbench/1600%-process-pipe 386033 ± 9% -28.9% 274285 ±12% TOTAL numa-meminfo.node1.Active(anon) d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 451326 ± 7% -29.5% 317996 ± 9% lkp-snb01/hackbench/1600%-process-pipe 451326 ± 7% -29.5% 317996 ± 9% TOTAL numa-meminfo.node1.Active d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1054737 ± 7% +47.7% 1557962 ± 8% lkp-snb01/hackbench/1600%-process-pipe 1054737 ± 7% +47.7% 1557962 ± 8% TOTAL numa-meminfo.node0.MemUsed d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 0.78 ±35% +69.4% 1.33 ± 4% lkp-snb01/hackbench/1600%-process-pipe 0.78 ±35% +69.4% 1.33 ± 4% TOTAL perf-profile.cpu-cycles.system_call.__read_nocancel d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1.18 ±33% +70.1% 2.01 ± 3% lkp-snb01/hackbench/1600%-process-pipe 1.18 ±33% +70.1% 2.01 ± 3% TOTAL perf-profile.cpu-cycles.__srcu_read_unlock.fsnotify.vfs_write.sys_write.system_call_fastpath d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 3.36 ±22% +54.1% 5.18 ± 2% lkp-snb01/hackbench/1600%-process-pipe 3.36 ±22% +54.1% 5.18 ± 2% TOTAL perf-profile.cpu-cycles.copy_user_generic_string.copy_page_to_iter.pipe_read.new_sync_read.vfs_read d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 712 ±12% +55.6% 1108 ± 4% lkp-snb01/hackbench/1600%-process-pipe 712 ±12% +55.6% 1108 ± 4% TOTAL slabinfo.RAW.active_objs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 712 ±12% +55.6% 1108 ± 4% lkp-snb01/hackbench/1600%-process-pipe 712 ±12% +55.6% 1108 ± 4% TOTAL slabinfo.RAW.num_objs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 18948890 ± 5% +52.1% 28823331 ± 1% lkp-snb01/hackbench/1600%-process-pipe 18948890 ± 5% +52.1% 28823331 ± 1% TOTAL proc-vmstat.pgfault d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 0.77 ±34% +69.4% 1.30 ± 4% lkp-snb01/hackbench/1600%-process-pipe 0.77 ±34% +69.4% 1.30 ± 4% TOTAL perf-profile.cpu-cycles.system_call.__write_nocancel d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1.05 ±34% +68.3% 1.77 ± 3% lkp-snb01/hackbench/1600%-process-pipe 1.05 ±34% +68.3% 1.77 ± 3% TOTAL perf-profile.cpu-cycles.__sb_end_write.pipe_write.new_sync_write.vfs_write.sys_write d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 0.60 ±34% +63.1% 0.97 ± 3% lkp-snb01/hackbench/1600%-process-pipe 0.60 ±34% +63.1% 0.97 ± 3% TOTAL perf-profile.cpu-cycles.mutex_lock.pipe_read.new_sync_read.vfs_read.sys_read d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1.46 ±34% +63.8% 2.39 ± 2% lkp-snb01/hackbench/1600%-process-pipe 1.46 ±34% +63.8% 2.39 ± 2% TOTAL perf-profile.cpu-cycles.__srcu_read_lock.fsnotify.vfs_write.sys_write.system_call_fastpath d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1.01 ±31% +61.5% 1.63 ± 3% lkp-snb01/hackbench/1600%-process-pipe 1.01 ±31% +61.5% 1.63 ± 3% TOTAL perf-profile.cpu-cycles.new_sync_read.vfs_read.sys_read.system_call_fastpath.__read_nocancel d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 96485 ± 9% -30.0% 67541 ±10% lkp-snb01/hackbench/1600%-process-pipe 96485 ± 9% -30.0% 67541 ±10% TOTAL numa-vmstat.node1.nr_anon_pages d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 96426 ± 9% -29.9% 67560 ±10% lkp-snb01/hackbench/1600%-process-pipe 96426 ± 9% -29.9% 67560 ±10% TOTAL numa-vmstat.node1.nr_active_anon d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 2.53 ±31% +59.6% 4.03 ± 2% lkp-snb01/hackbench/1600%-process-pipe 2.53 ±31% +59.6% 4.03 ± 2% TOTAL perf-profile.cpu-cycles.copy_user_generic_string.copy_page_from_iter.pipe_write.new_sync_write.vfs_write d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 0.98 ±35% +58.7% 1.55 ± 1% lkp-snb01/hackbench/1600%-process-pipe 0.98 ±35% +58.7% 1.55 ± 1% TOTAL perf-profile.cpu-cycles.new_sync_write.vfs_write.sys_write.system_call_fastpath.__write_nocancel d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 0.75 ±29% +50.7% 1.13 ± 2% lkp-snb01/hackbench/1600%-process-pipe 0.75 ±29% +50.7% 1.13 ± 2% TOTAL perf-profile.cpu-cycles.mutex_unlock.new_sync_read.vfs_read.sys_read.system_call_fastpath d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 10716 ±13% -31.5% 7336 ± 3% lkp-snb01/hackbench/1600%-process-pipe 10716 ±13% -31.5% 7336 ± 3% TOTAL slabinfo.proc_inode_cache.num_objs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 2462781 ±11% -32.2% 1669715 ± 0% lkp-snb01/hackbench/1600%-process-pipe 104190 ± 1% -28.0% 75034 ± 7% xps2/pigz/100%-512K 2566971 ±10% -32.0% 1744750 ± 1% TOTAL softirqs.RCU d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1.14 ±27% +47.7% 1.68 ± 6% lkp-snb01/hackbench/1600%-process-pipe 1.14 ±27% +47.7% 1.68 ± 6% TOTAL perf-profile.cpu-cycles.vfs_read.sys_read.system_call_fastpath.__read_nocancel d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 2.26 ±11% +40.7% 3.18 ± 2% lkp-snb01/hackbench/1600%-process-pipe 2.26 ±11% +40.7% 3.18 ± 2% TOTAL perf-profile.cpu-cycles.mutex_unlock.new_sync_write.vfs_write.sys_write.system_call_fastpath d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1.49 ±31% +52.2% 2.26 ± 2% lkp-snb01/hackbench/1600%-process-pipe 1.49 ±31% +52.2% 2.26 ± 2% TOTAL perf-profile.cpu-cycles.copy_page_from_iter_iovec.copy_page_from_iter.pipe_write.new_sync_write.vfs_write d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 3627 ± 4% +31.3% 4761 ± 5% xps2/pigz/100%-512K 3627 ± 4% +31.3% 4761 ± 5% TOTAL slabinfo.anon_vma.active_objs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 3627 ± 4% +31.3% 4761 ± 5% xps2/pigz/100%-512K 3627 ± 4% +31.3% 4761 ± 5% TOTAL slabinfo.anon_vma.num_objs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 2.12 ±14% +35.1% 2.86 ± 1% lkp-snb01/hackbench/1600%-process-pipe 2.12 ±14% +35.1% 2.86 ± 1% TOTAL perf-profile.cpu-cycles.copy_page_to_iter_iovec.copy_page_to_iter.pipe_read.new_sync_read.vfs_read d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1.06 ±33% +56.8% 1.66 ±13% lkp-snb01/hackbench/1600%-process-pipe 1.06 ±33% +56.8% 1.66 ±13% TOTAL perf-profile.cpu-cycles.selinux_file_permission.security_file_permission.rw_verify_area.vfs_write.sys_write d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1.97 ±32% +50.2% 2.96 ± 6% lkp-snb01/hackbench/1600%-process-pipe 1.97 ±32% +50.2% 2.96 ± 6% TOTAL perf-profile.cpu-cycles.pipe_write.new_sync_write.vfs_write.sys_write.system_call_fastpath d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 0.72 ±33% +54.7% 1.12 ± 6% lkp-snb01/hackbench/1600%-process-pipe 0.72 ±33% +54.7% 1.12 ± 6% TOTAL perf-profile.cpu-cycles.system_call_after_swapgs.__read_nocancel d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 8466 ± 6% -20.5% 6731 ± 3% lkp-snb01/hackbench/1600%-process-pipe 8466 ± 6% -20.5% 6731 ± 3% TOTAL numa-vmstat.node1.nr_slab_reclaimable d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 0.94 ±30% +51.1% 1.41 ± 4% lkp-snb01/hackbench/1600%-process-pipe 0.94 ±30% +51.1% 1.41 ± 4% TOTAL perf-profile.cpu-cycles.fsnotify.vfs_write.sys_write.system_call_fastpath.__write_nocancel d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 33833 ± 6% -20.5% 26913 ± 4% lkp-snb01/hackbench/1600%-process-pipe 33833 ± 6% -20.5% 26913 ± 4% TOTAL numa-meminfo.node1.SReclaimable d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 49037 ±14% +38.1% 67717 ± 2% lkp-snb01/hackbench/1600%-process-pipe 49037 ±14% +38.1% 67717 ± 2% TOTAL cpuidle.C7-SNB.usage d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 0.73 ±34% +49.3% 1.09 ± 7% lkp-snb01/hackbench/1600%-process-pipe 0.73 ±34% +49.3% 1.09 ± 7% TOTAL perf-profile.cpu-cycles.system_call_after_swapgs.__write_nocancel d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 9215 ±21% -22.4% 7152 ± 3% lkp-snb01/hackbench/1600%-process-pipe 9215 ±21% -22.4% 7152 ± 3% TOTAL slabinfo.proc_inode_cache.active_objs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 221963 ±11% +25.7% 279098 ± 5% lkp-snb01/hackbench/1600%-process-pipe 221963 ±11% +25.7% 279098 ± 5% TOTAL cpuidle.C1E-SNB.usage d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 0.96 ±12% +22.0% 1.17 ± 2% lkp-snb01/hackbench/1600%-process-pipe 0.96 ±12% +22.0% 1.17 ± 2% TOTAL perf-profile.cpu-cycles._raw_spin_unlock_irqrestore.__wake_up_sync_key.pipe_write.new_sync_write.vfs_write d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1397 ± 8% +23.4% 1723 ± 3% lkp-snb01/hackbench/1600%-process-pipe 1397 ± 8% +23.4% 1723 ± 3% TOTAL slabinfo.sock_inode_cache.active_objs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1397 ± 8% +23.4% 1723 ± 3% lkp-snb01/hackbench/1600%-process-pipe 1397 ± 8% +23.4% 1723 ± 3% TOTAL slabinfo.sock_inode_cache.num_objs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 6328 ± 5% +26.3% 7995 ± 0% lkp-snb01/hackbench/1600%-process-pipe 6328 ± 5% +26.3% 7995 ± 0% TOTAL vmstat.procs.r d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 23979 ± 5% +16.1% 27842 ± 4% lkp-snb01/hackbench/1600%-process-pipe 23979 ± 5% +16.1% 27842 ± 4% TOTAL numa-meminfo.node0.SReclaimable d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 0.91 ±14% +26.5% 1.15 ± 7% lkp-snb01/hackbench/1600%-process-pipe 0.91 ±14% +26.5% 1.15 ± 7% TOTAL perf-profile.cpu-cycles.touch_atime.pipe_read.new_sync_read.vfs_read.sys_read d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 5990 ± 6% +16.0% 6951 ± 4% lkp-snb01/hackbench/1600%-process-pipe 5990 ± 6% +16.0% 6951 ± 4% TOTAL numa-vmstat.node0.nr_slab_reclaimable d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 3249 ± 5% -13.7% 2802 ± 4% xps2/pigz/100%-512K 3249 ± 5% -13.7% 2802 ± 4% TOTAL slabinfo.vm_area_struct.active_objs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1.36 ±10% +19.0% 1.62 ± 2% lkp-snb01/hackbench/1600%-process-pipe 1.36 ±10% +19.0% 1.62 ± 2% TOTAL perf-profile.cpu-cycles.__read_nocancel d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 0.84 ±25% +37.2% 1.15 ± 4% lkp-snb01/hackbench/1600%-process-pipe 0.84 ±25% +37.2% 1.15 ± 4% TOTAL perf-profile.cpu-cycles.file_update_time.pipe_write.new_sync_write.vfs_write.sys_write d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 2093 ± 6% +21.6% 2545 ± 2% lkp-snb01/hackbench/1600%-process-pipe 2093 ± 6% +21.6% 2545 ± 2% TOTAL uptime.idle d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 2800 ± 1% +13.1% 3168 ± 4% lkp-snb01/hackbench/1600%-process-pipe 2800 ± 1% +13.1% 3168 ± 4% TOTAL slabinfo.kmalloc-96.active_objs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 393737 ± 5% -8.2% 361521 ± 1% lkp-snb01/hackbench/1600%-process-pipe 3287 ± 4% -13.2% 2852 ± 4% xps2/pigz/100%-512K 397025 ± 5% -8.2% 364373 ± 1% TOTAL slabinfo.vm_area_struct.num_objs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 315204 ± 6% +14.2% 360116 ± 7% lkp-snb01/hackbench/1600%-process-pipe 315204 ± 6% +14.2% 360116 ± 7% TOTAL numa-meminfo.node0.Active d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 9685 ± 6% +20.0% 11625 ± 9% xps2/pigz/100%-512K 9685 ± 6% +20.0% 11625 ± 9% TOTAL meminfo.AnonHugePages d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 164662 ± 6% -8.9% 150041 ± 1% lkp-snb01/hackbench/1600%-process-pipe 164662 ± 6% -8.9% 150041 ± 1% TOTAL proc-vmstat.nr_anon_pages d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 164625 ± 6% -8.8% 150107 ± 1% lkp-snb01/hackbench/1600%-process-pipe 164625 ± 6% -8.8% 150107 ± 1% TOTAL proc-vmstat.nr_active_anon d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 2881 ± 1% +11.4% 3208 ± 4% lkp-snb01/hackbench/1600%-process-pipe 2881 ± 1% +11.4% 3208 ± 4% TOTAL slabinfo.kmalloc-96.num_objs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 8948 ± 5% -8.2% 8216 ± 1% lkp-snb01/hackbench/1600%-process-pipe 8948 ± 5% -8.2% 8216 ± 1% TOTAL slabinfo.vm_area_struct.num_slabs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 8948 ± 5% -8.2% 8216 ± 1% lkp-snb01/hackbench/1600%-process-pipe 8948 ± 5% -8.2% 8216 ± 1% TOTAL slabinfo.vm_area_struct.active_slabs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1057 ± 4% -8.9% 963 ± 1% lkp-snb01/hackbench/1600%-process-pipe 1057 ± 4% -8.9% 963 ± 1% TOTAL slabinfo.mm_struct.num_slabs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1057 ± 4% -8.9% 963 ± 1% lkp-snb01/hackbench/1600%-process-pipe 1057 ± 4% -8.9% 963 ± 1% TOTAL slabinfo.mm_struct.active_slabs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 17987 ± 4% -8.9% 16386 ± 1% lkp-snb01/hackbench/1600%-process-pipe 17987 ± 4% -8.9% 16386 ± 1% TOTAL slabinfo.mm_struct.num_objs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 8196 ± 5% -7.9% 7551 ± 1% lkp-snb01/hackbench/1600%-process-pipe 8196 ± 5% -7.9% 7551 ± 1% TOTAL slabinfo.kmalloc-64.num_slabs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 8196 ± 5% -7.9% 7551 ± 1% lkp-snb01/hackbench/1600%-process-pipe 8196 ± 5% -7.9% 7551 ± 1% TOTAL slabinfo.kmalloc-64.active_slabs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 524580 ± 5% -7.9% 483309 ± 1% lkp-snb01/hackbench/1600%-process-pipe 524580 ± 5% -7.9% 483309 ± 1% TOTAL slabinfo.kmalloc-64.num_objs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1396 ± 1% -10.2% 1253 ± 0% lkp-snb01/hackbench/1600%-process-pipe 1396 ± 1% -10.2% 1253 ± 0% TOTAL slabinfo.sighand_cache.num_slabs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1396 ± 1% -10.2% 1253 ± 0% lkp-snb01/hackbench/1600%-process-pipe 1396 ± 1% -10.2% 1253 ± 0% TOTAL slabinfo.sighand_cache.active_slabs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 20950 ± 1% -10.2% 18812 ± 0% lkp-snb01/hackbench/1600%-process-pipe 20950 ± 1% -10.2% 18812 ± 0% TOTAL slabinfo.sighand_cache.num_objs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 4787 ± 4% -8.7% 4371 ± 0% lkp-snb01/hackbench/1600%-process-pipe 4787 ± 4% -8.7% 4371 ± 0% TOTAL slabinfo.task_struct.num_slabs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 4787 ± 4% -8.7% 4371 ± 0% lkp-snb01/hackbench/1600%-process-pipe 4787 ± 4% -8.7% 4371 ± 0% TOTAL slabinfo.task_struct.active_slabs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 19150 ± 4% -8.7% 17485 ± 0% lkp-snb01/hackbench/1600%-process-pipe 19150 ± 4% -8.7% 17485 ± 0% TOTAL slabinfo.task_struct.num_objs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1385 ± 2% +13.8% 1576 ± 4% lkp-snb01/hackbench/1600%-process-pipe 1385 ± 2% +13.8% 1576 ± 4% TOTAL numa-vmstat.node0.nr_alloc_batch d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 15330 ± 3% -8.3% 14061 ± 0% lkp-snb01/hackbench/1600%-process-pipe 15330 ± 3% -8.3% 14061 ± 0% TOTAL slabinfo.kmalloc-1024.active_objs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 854631 ±15% -82.4% 150502 ± 8% lkp-snb01/hackbench/1600%-process-pipe 8975 ± 0% -5.5% 8486 ± 0% xps2/pigz/100%-512K 863606 ±15% -81.6% 158988 ± 8% TOTAL vmstat.system.in d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1.089e+09 ± 5% -48.6% 5.603e+08 ± 2% lkp-snb01/hackbench/1600%-process-pipe 225282 ± 3% +75.6% 395515 ± 0% xps2/pigz/100%-512K 1.089e+09 ± 5% -48.5% 5.607e+08 ± 2% TOTAL time.involuntary_context_switches d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 2.226e+09 ± 2% -50.4% 1.104e+09 ± 2% lkp-snb01/hackbench/1600%-process-pipe 259846 ± 0% +67.5% 435184 ± 0% xps2/pigz/100%-512K 2.227e+09 ± 2% -50.4% 1.105e+09 ± 2% TOTAL time.voluntary_context_switches d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 5516027 ± 0% -50.2% 2748065 ± 1% lkp-snb01/hackbench/1600%-process-pipe 1994 ± 1% +61.1% 3212 ± 0% xps2/pigz/100%-512K 5518022 ± 0% -50.1% 2751278 ± 1% TOTAL vmstat.system.cs d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 17665402 ± 5% +59.9% 28239273 ± 1% lkp-snb01/hackbench/1600%-process-pipe 17665402 ± 5% +59.9% 28239273 ± 1% TOTAL time.minor_page_faults d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 1489 ± 1% -5.8% 1402 ± 0% lkp-snb01/hackbench/1600%-process-pipe 1489 ± 1% -5.8% 1402 ± 0% TOTAL time.user_time d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 93.79 ± 0% -2.7% 91.22 ± 0% lkp-snb01/hackbench/1600%-process-pipe 93.79 ± 0% -2.7% 91.22 ± 0% TOTAL turbostat.%c0 d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 2989 ± 0% -2.5% 2916 ± 0% lkp-snb01/hackbench/1600%-process-pipe 2989 ± 0% -2.5% 2916 ± 0% TOTAL time.percent_of_cpu_this_job_got d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- ± 0% +1.8% ± 0% lkp-snb01/hackbench/1600%-process-pipe ± 0% +1.8% ± 0% TOTAL turbostat.Cor_W d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- ± 0% +1.5% ± 0% lkp-snb01/hackbench/1600%-process-pipe ± 0% +1.5% ± 0% TOTAL turbostat.Pkg_W d9dcf63eab17615 40c5e72463e42659e15eba0c8 testbox/testcase/testparams --------------- ------------------------- --------------------------- 16679 ± 1% -2.0% 16340 ± 0% lkp-snb01/hackbench/1600%-process-pipe 16679 ± 1% -2.0% 16340 ± 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, Fengguang -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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