Alex, we noticed the below changes in https://github.com/alexshi/power-scheduling.git single-balance commit e1f728f230025ba2f2ed71e19b156291f53b68fe ("sched/balance: replace idle_balance") 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 0 +Inf% 1 brickland2/fake/boot/1 0 +Inf% 1 TOTAL dmesg.BUG:unable_to_haPROGRESS_CODE:V3020003_I0 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 0 +Inf% 1 brickland2/fake/boot/1 0 +Inf% 1 TOTAL dmesg.Kernel_panic-not_syncing:Fatal_exception_in_interrupt 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 0 +Inf% 0 ~81% brickland2/fake/boot/1 0 +Inf% 0 ~81% TOTAL dmesg.BUG:unable_to_handle_kernel_NULL_pointer_dereference [ 3.814901] PM: Registering ACPI NVS region [mem 0x650a0000-0x65375fff] (2973696 bytes) [ 3.816130] PM: Registering ACPI NVS region [mem 0x65df8000-0x66df7fff] (16777216 bytes) [ 3.820540] PM: Registering ACPI NVS region [mem 0x7accf000-0x7b6fefff] (10682368 bytes) [ 3.824649] BUG: unable to handle kernel paging request at ffffffff00000058 [ 3.828000] IP: [] wq_worker_waking_up+0x14/0x5b [ 3.828000] PGD 220d067 PUD 0 [ 3.828000] Oops: 0000 [#1] SMP [ 3.828000] Modules linked in: [ 3.828000] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.14.0-rc6-00009-ge1f728f #1 [ 3.828000] Hardware name: Intel Corporation BRICKLAND/BRICKLAND, BIOS BKLDSDP1.86B.0031.R01.1304221600 04/22/2013 [ 3.828000] task: ffff8808541f8000 ti: ffff8808541e6000 task.ti: ffff8808541e6000 [ 3.828000] RIP: 0010:[] [] wq_worker_waking_up+0x14/0x5b [ 3.828000] RSP: 0000:ffff8808541e7cf0 EFLAGS: 00010002 [ 3.828000] RAX: ffffffff00000000 RBX: ffff8808543b0910 RCX: ffffffff824ee1c0 [ 3.828000] RDX: 00000005811058a8 RSI: 0000000000000001 RDI: ffff8808543b0910 [ 3.828000] RBP: ffff8808541e7d00 R08: 000000000000064d R09: 000000000000b7f9 [ 3.828000] R10: 0000000000000027 R11: 0000000000006bd9 R12: 0000000000000001 [ 3.828000] R13: 0000000000013000 R14: 0000000000000001 R15: 0000000000000001 [ 3.828000] FS: 0000000000000000(0000) GS:ffff88085f800000(0000) knlGS:0000000000000000 [ 3.828000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3.828000] CR2: ffffffff00000058 CR3: 000000000220c000 CR4: 00000000001407f0 [ 3.828000] Stack: [ 3.828000] ffff8808543b0910 ffff88085f833000 ffff8808541e7d20 ffffffff81105a04 [ 3.828000] ffff8808543b0910 ffff88085f833000 ffff8808541e7d68 ffffffff81108259 [ 3.828000] 0000000000000046 ffff8808543b0f24 ffff8808543b0910 ffff88085f838560 [ 3.828000] Call Trace: [ 3.828000] [] ttwu_do_activate.constprop.88+0x4f/0x61 [ 3.828000] [] try_to_wake_up+0x1f7/0x228 [ 3.828000] [] wake_up_process+0x34/0x37 [ 3.828000] [] wake_up_worker+0x24/0x26 [ 3.828000] [] pwq_adjust_max_active+0x7f/0xaa [ 3.828000] [] link_pwq+0x2f/0x4a [ 3.828000] [] __alloc_workqueue_key+0x29c/0x459 [ 3.828000] [] ? pm_debugfs_init+0x24/0x24 [ 3.828000] [] pm_init+0x1e/0x7b [ 3.828000] [] do_one_initcall+0xa4/0x13a [ 3.828000] [] ? parse_args+0x25f/0x33d [ 3.828000] [] kernel_init_freeable+0x1a9/0x22e [ 3.828000] [] ? do_early_param+0x88/0x88 [ 3.828000] [] ? rest_init+0x89/0x89 [ 3.828000] [] kernel_init+0xe/0xdf [ 3.828000] [] ret_from_fork+0x7c/0xb0 [ 3.828000] [] ? rest_init+0x89/0x89 [ 3.828000] Code: 46 40 83 60 14 df 48 83 c4 28 31 c0 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 55 48 89 e5 41 54 41 89 f4 53 e8 c6 53 00 00 40 58 c8 01 00 00 48 89 c3 75 36 48 8b 40 48 44 39 60 04 74 [ 3.828000] RIP [] wq_worker_waking_up+0x14/0x5b [ 3.828000] RSP [ 3.828000] CR2: ffffffff00000058 [ 3.828000] ---[ end trace 5d87af0bad79b4cd ]--- [ 3.828000] Kernel panic - not syncing: Fatal exception Full dmesg is attached. 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 45357 ~ 2% +254.8% 160914 ~19% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 45357 ~ 2% +254.8% 160914 ~19% TOTAL proc-vmstat.kswapd_low_wmark_hit_quickly 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 45379 ~ 2% +254.7% 160970 ~19% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 45379 ~ 2% +254.7% 160970 ~19% TOTAL proc-vmstat.pageoutrun 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 5174 ~33% +148.9% 12880 ~15% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 5174 ~33% +148.9% 12880 ~15% TOTAL proc-vmstat.numa_foreign 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 5174 ~33% +148.9% 12880 ~15% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 5174 ~33% +148.9% 12880 ~15% TOTAL proc-vmstat.numa_miss 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 4821 ~38% +138.9% 11515 ~20% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 4821 ~38% +138.9% 11515 ~20% TOTAL numa-numastat.node0.numa_miss 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 4821 ~38% +138.9% 11515 ~20% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 4821 ~38% +138.9% 11515 ~20% TOTAL numa-numastat.node1.numa_foreign 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 5442 ~43% +134.3% 12750 ~29% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 5442 ~43% +134.3% 12750 ~29% TOTAL numa-numastat.node0.other_node 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 47 ~15% +139.1% 113 ~35% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 47 ~15% +139.1% 113 ~35% TOTAL numa-vmstat.node1.nr_vmscan_immediate_reclaim 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 4663 ~39% +103.4% 9487 ~22% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 4663 ~39% +103.4% 9487 ~22% TOTAL numa-vmstat.node1.numa_foreign 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 4664 ~39% +103.4% 9488 ~22% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 4664 ~39% +103.4% 9488 ~22% TOTAL numa-vmstat.node0.numa_miss 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 8267 ~21% +93.1% 15967 ~12% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 8267 ~21% +93.1% 15967 ~12% TOTAL proc-vmstat.numa_other 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 8.622e+08 ~13% +85.4% 1.599e+09 ~13% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 8.622e+08 ~13% +85.4% 1.599e+09 ~13% TOTAL cpuidle.C6-NHM.time 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 316455 ~ 8% +69.9% 537599 ~11% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 316455 ~ 8% +69.9% 537599 ~11% TOTAL cpuidle.C6-NHM.usage 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 1.03 ~ 6% -38.3% 0.64 ~ 7% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 1.03 ~ 6% -38.3% 0.64 ~ 7% TOTAL perf-profile.cpu-cycles._raw_read_lock.start_this_handle.jbd2__journal_start.__ext4_journal_start_sb.ext4_da_write_begin 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 1543 ~ 2% +47.3% 2273 ~12% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 1543 ~ 2% +47.3% 2273 ~12% TOTAL numa-vmstat.node1.nr_alloc_batch 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 345613 ~22% -25.9% 256152 ~ 5% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 345613 ~22% -25.9% 256152 ~ 5% TOTAL ftrace.writeback_single_inode.sdk.index 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 2.09 ~ 2% -22.7% 1.62 ~ 7% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 2.09 ~ 2% -22.7% 1.62 ~ 7% TOTAL perf-profile.cpu-cycles.jbd2_journal_add_journal_head.jbd2_journal_get_write_access.__ext4_journal_get_write_access.ext4_reserve_inode_write.ext4_mark_inode_dirty 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 10 ~ 6% +40.7% 15 ~ 6% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 10 ~ 6% +40.7% 15 ~ 6% TOTAL ftrace.writeback_single_inode.sdf.age 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 238248 ~ 5% +27.0% 302589 ~17% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 238248 ~ 5% +27.0% 302589 ~17% TOTAL ftrace.writeback_single_inode.sdm.index 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 1.05 ~ 3% -20.3% 0.84 ~ 7% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 1.05 ~ 3% -20.3% 0.84 ~ 7% TOTAL perf-profile.cpu-cycles.jbd2_journal_put_journal_head.__ext4_handle_dirty_metadata.ext4_mark_iloc_dirty.ext4_mark_inode_dirty.ext4_dirty_inode 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 10 ~ 9% +30.8% 13 ~12% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 10 ~ 9% +30.8% 13 ~12% TOTAL ftrace.writeback_single_inode.sdl.age 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 237566 ~ 5% +24.0% 294617 ~ 4% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 237566 ~ 5% +24.0% 294617 ~ 4% TOTAL ftrace.writeback_single_inode.sdl.index 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 6.384e+08 ~18% +38.3% 8.829e+08 ~20% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 6.384e+08 ~18% +38.3% 8.829e+08 ~20% TOTAL cpuidle.C1-NHM.time 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 3094 ~ 2% +26.4% 3909 ~ 4% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 3094 ~ 2% +26.4% 3909 ~ 4% TOTAL proc-vmstat.nr_alloc_batch 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 243876 ~ 6% +18.1% 288069 ~ 2% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 243876 ~ 6% +18.1% 288069 ~ 2% TOTAL ftrace.writeback_single_inode.sde.index 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 1.00 ~ 3% -15.0% 0.85 ~ 4% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 1.00 ~ 3% -15.0% 0.85 ~ 4% TOTAL perf-profile.cpu-cycles.jbd2_journal_put_journal_head.__ext4_journal_get_write_access.ext4_reserve_inode_write.ext4_mark_inode_dirty.ext4_dirty_inode 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 40090 ~ 0% -14.5% 34267 ~ 7% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 40090 ~ 0% -14.5% 34267 ~ 7% TOTAL numa-vmstat.node0.nr_writeback 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 160446 ~ 0% -14.5% 137210 ~ 7% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 160446 ~ 0% -14.5% 137210 ~ 7% TOTAL numa-meminfo.node0.Writeback 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 1.33 ~ 2% -17.7% 1.10 ~ 3% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 1.33 ~ 2% -17.7% 1.10 ~ 3% TOTAL perf-profile.cpu-cycles.jbd2_journal_grab_journal_head.jbd2_journal_dirty_metadata.__ext4_handle_dirty_metadata.ext4_mark_iloc_dirty.ext4_mark_inode_dirty 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 17914134 ~ 1% -12.7% 15634924 ~ 8% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 17914134 ~ 1% -12.7% 15634924 ~ 8% TOTAL proc-vmstat.pgsteal_kswapd_dma32 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 17948005 ~ 1% -12.7% 15670164 ~ 8% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 17948005 ~ 1% -12.7% 15670164 ~ 8% TOTAL proc-vmstat.pgscan_kswapd_dma32 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 18253751 ~ 1% -12.5% 15974544 ~ 7% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 18253751 ~ 1% -12.5% 15974544 ~ 7% TOTAL proc-vmstat.pgrefill_dma32 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 18948889 ~ 1% -12.2% 16635311 ~ 7% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 18948889 ~ 1% -12.2% 16635311 ~ 7% TOTAL proc-vmstat.pgalloc_dma32 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 1.32 ~ 2% -15.9% 1.11 ~ 5% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 1.32 ~ 2% -15.9% 1.11 ~ 5% TOTAL perf-profile.cpu-cycles.jbd2_journal_dirty_metadata.__ext4_handle_dirty_metadata.ext4_mark_iloc_dirty.ext4_mark_inode_dirty.ext4_dirty_inode 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 1.57 ~ 3% -14.3% 1.34 ~ 5% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 1.57 ~ 3% -14.3% 1.34 ~ 5% TOTAL perf-profile.cpu-cycles.__find_get_block.__getblk.__ext4_get_inode_loc.ext4_get_inode_loc.ext4_reserve_inode_write 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 7.404e+09 ~ 5% -15.1% 6.283e+09 ~ 5% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 7.404e+09 ~ 5% -15.1% 6.283e+09 ~ 5% TOTAL cpuidle.C3-NHM.time 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 1917 ~ 2% +15.2% 2208 ~ 5% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 1917 ~ 2% +15.2% 2208 ~ 5% TOTAL uptime.idle 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 2.90 ~ 2% -11.5% 2.56 ~ 2% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 2.90 ~ 2% -11.5% 2.56 ~ 2% TOTAL perf-profile.cpu-cycles.start_this_handle.jbd2__journal_start.__ext4_journal_start_sb.ext4_da_write_begin.generic_file_buffered_write 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 2.14 ~ 1% -9.0% 1.95 ~ 3% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 2.14 ~ 1% -9.0% 1.95 ~ 3% TOTAL perf-profile.cpu-cycles.do_get_write_access.jbd2_journal_get_write_access.__ext4_journal_get_write_access.ext4_reserve_inode_write.ext4_mark_inode_dirty 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 79600 ~ 1% +10.9% 88306 ~ 2% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 79600 ~ 1% +10.9% 88306 ~ 2% TOTAL interrupts.IWI 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 3.092e+09 ~ 6% -59.9% 1.241e+09 ~ 4% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 3.092e+09 ~ 6% -59.9% 1.241e+09 ~ 4% TOTAL perf-stat.node-prefetches 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 3.096e+09 ~ 7% -59.4% 1.257e+09 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 3.096e+09 ~ 7% -59.4% 1.257e+09 ~ 1% TOTAL perf-stat.LLC-prefetch-misses 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 5.024e+08 ~ 6% -57.9% 2.114e+08 ~ 7% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 5.024e+08 ~ 6% -57.9% 2.114e+08 ~ 7% TOTAL perf-stat.node-prefetch-misses 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 4.226e+08 ~ 3% -58.7% 1.747e+08 ~ 7% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 4.226e+08 ~ 3% -58.7% 1.747e+08 ~ 7% TOTAL perf-stat.node-store-misses 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 7.559e+08 ~ 0% -38.6% 4.642e+08 ~15% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 7.559e+08 ~ 0% -38.6% 4.642e+08 ~15% TOTAL perf-stat.node-load-misses 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 88.85 ~ 1% -31.0% 61.32 ~20% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 88.85 ~ 1% -31.0% 61.32 ~20% TOTAL iostat.sdi.wrqm/s 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 88.42 ~ 0% -34.1% 58.26 ~ 8% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 88.42 ~ 0% -34.1% 58.26 ~ 8% TOTAL iostat.sdk.wrqm/s 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 78.01 ~ 1% -31.1% 53.74 ~13% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 78.01 ~ 1% -31.1% 53.74 ~13% TOTAL iostat.sdm.wrqm/s 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 88.02 ~ 1% -28.3% 63.08 ~15% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 88.02 ~ 1% -28.3% 63.08 ~15% TOTAL iostat.sdj.wrqm/s 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 3.044e+08 ~ 1% +42.9% 4.351e+08 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 3.044e+08 ~ 1% +42.9% 4.351e+08 ~ 1% TOTAL perf-stat.iTLB-load-misses 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 3.286e+09 ~ 0% -26.8% 2.406e+09 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 3.286e+09 ~ 0% -26.8% 2.406e+09 ~ 1% TOTAL perf-stat.node-loads 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 3.284e+09 ~ 0% -26.5% 2.414e+09 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 3.284e+09 ~ 0% -26.5% 2.414e+09 ~ 1% TOTAL perf-stat.LLC-load-misses 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 1.339e+10 ~ 1% -26.0% 9.912e+09 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 1.339e+10 ~ 1% -26.0% 9.912e+09 ~ 1% TOTAL perf-stat.cache-misses 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 79.24 ~ 0% -26.4% 58.35 ~12% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 79.24 ~ 0% -26.4% 58.35 ~12% TOTAL iostat.sdl.wrqm/s 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 87.96 ~ 1% -21.8% 68.81 ~13% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 87.96 ~ 1% -21.8% 68.81 ~13% TOTAL iostat.sdh.wrqm/s 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 77.99 ~ 1% -20.3% 62.17 ~ 9% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 77.99 ~ 1% -20.3% 62.17 ~ 9% TOTAL iostat.sdf.wrqm/s 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 758476 ~ 3% -15.1% 643811 ~ 2% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 758476 ~ 3% -15.1% 643811 ~ 2% TOTAL perf-stat.cpu-migrations 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 7.433e+09 ~ 5% -15.1% 6.308e+09 ~ 3% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 7.433e+09 ~ 5% -15.1% 6.308e+09 ~ 3% TOTAL perf-stat.LLC-prefetches 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 7.494e+09 ~ 2% -12.4% 6.567e+09 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 7.494e+09 ~ 2% -12.4% 6.567e+09 ~ 1% TOTAL perf-stat.LLC-store-misses 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 88.60 ~ 1% -17.0% 73.58 ~18% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 88.60 ~ 1% -17.0% 73.58 ~18% TOTAL iostat.sdg.wrqm/s 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 7.545e+09 ~ 1% -10.1% 6.785e+09 ~ 2% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 7.545e+09 ~ 1% -10.1% 6.785e+09 ~ 2% TOTAL perf-stat.node-stores 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 3.198e+10 ~ 1% -8.1% 2.939e+10 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 3.198e+10 ~ 1% -8.1% 2.939e+10 ~ 1% TOTAL perf-stat.cache-references 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 519 ~ 0% -8.4% 475 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 519 ~ 0% -8.4% 475 ~ 1% TOTAL iostat.sdm.w_await 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 519 ~ 0% -8.4% 475 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 519 ~ 0% -8.4% 475 ~ 1% TOTAL iostat.sdm.await 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 520 ~ 0% -8.4% 477 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 520 ~ 0% -8.4% 477 ~ 1% TOTAL iostat.sdl.await 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 520 ~ 0% -8.3% 477 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 520 ~ 0% -8.3% 477 ~ 1% TOTAL iostat.sdl.w_await 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 520 ~ 0% -6.9% 484 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 520 ~ 0% -6.9% 484 ~ 1% TOTAL iostat.sdf.await 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 521 ~ 0% -6.7% 486 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 521 ~ 0% -6.7% 486 ~ 1% TOTAL iostat.sdf.w_await 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 463 ~ 0% -5.3% 439 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 463 ~ 0% -5.3% 439 ~ 1% TOTAL iostat.sdj.await 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 464 ~ 0% -5.3% 439 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 464 ~ 0% -5.3% 439 ~ 1% TOTAL iostat.sdj.w_await 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 523 ~ 0% -5.5% 495 ~ 2% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 523 ~ 0% -5.5% 495 ~ 2% TOTAL iostat.sde.w_await 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 521 ~ 0% -5.8% 491 ~ 2% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 521 ~ 0% -5.8% 491 ~ 2% TOTAL iostat.sde.await 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 1.373e+13 ~ 1% -4.9% 1.306e+13 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 1.373e+13 ~ 1% -4.9% 1.306e+13 ~ 1% TOTAL perf-stat.ref-cycles 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 7.895e+12 ~ 0% -4.7% 7.526e+12 ~ 0% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 7.895e+12 ~ 0% -4.7% 7.526e+12 ~ 0% TOTAL perf-stat.cpu-cycles 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 1.018e+10 ~ 1% -3.9% 9.791e+09 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 1.018e+10 ~ 1% -3.9% 9.791e+09 ~ 1% TOTAL perf-stat.LLC-loads 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 33.74 ~ 0% -4.3% 32.27 ~ 0% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 33.74 ~ 0% -4.3% 32.27 ~ 0% TOTAL turbostat.%c0 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 3.196e+11 ~ 0% +4.2% 3.33e+11 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 3.196e+11 ~ 0% +4.2% 3.33e+11 ~ 1% TOTAL perf-stat.L1-icache-load-misses 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 9443 ~ 0% +3.3% 9753 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 9443 ~ 0% +3.3% 9753 ~ 1% TOTAL vmstat.system.cs 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 5898082 ~ 0% +3.2% 6084896 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 5898082 ~ 0% +3.2% 6084896 ~ 1% TOTAL perf-stat.context-switches 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 1.554e+10 ~ 1% -2.3% 1.517e+10 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 1.554e+10 ~ 1% -2.3% 1.517e+10 ~ 1% TOTAL perf-stat.L1-dcache-store-misses 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 2.048e+10 ~ 1% -2.4% 1.998e+10 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 2.048e+10 ~ 1% -2.4% 1.998e+10 ~ 1% TOTAL perf-stat.LLC-stores 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 54766 ~ 0% +2.0% 55878 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 54766 ~ 0% +2.0% 55878 ~ 1% TOTAL iostat.sdl.wkB/s 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 61776 ~ 0% -2.2% 60405 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 61776 ~ 0% -2.2% 60405 ~ 1% TOTAL iostat.sdk.wkB/s 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 54820 ~ 0% +1.8% 55805 ~ 1% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 54820 ~ 0% +1.8% 55805 ~ 1% TOTAL iostat.sde.wkB/s 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 1.022e+12 ~ 0% -1.9% 1.003e+12 ~ 0% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 1.022e+12 ~ 0% -1.9% 1.003e+12 ~ 0% TOTAL perf-stat.branch-load-misses 75921b535f3391b e1f728f230025ba2f2ed71e19 --------------- ------------------------- 1.065e+12 ~ 0% +0.9% 1.075e+12 ~ 0% lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd 1.065e+12 ~ 0% +0.9% 1.075e+12 ~ 0% TOTAL perf-stat.branch-loads Legend: ~XX% - stddev percent [+-]XX% - change percent perf-stat.cache-misses 1.4e+10 ++--------------------------------------------------------------+ 1.35e+10 *+. .*.. ..*.. *.. | | *..*..*..*.. .*. .*..*. .. *..*..*..* | 1.3e+10 ++ *. *. *..*..* | 1.25e+10 ++ | | | 1.2e+10 ++ | 1.15e+10 ++ | 1.1e+10 ++ | | | 1.05e+10 ++ | 1e+10 ++ O O O O O O O | O O O O O O O O | 9.5e+09 O+ O O O O O O | 9e+09 ++--------------------------------------------------------------+ perf-stat.LLC-load-misses 3.4e+09 ++---------------------------------------------------------------+ | .*.. *...*..*..*.. | 3.2e+09 *+.*.. .*. .. * | | *. *...*..*..*..*..*..*.. .*..* | | *. | 3e+09 ++ | | | 2.8e+09 ++ | | | 2.6e+09 ++ | | O | | O O 2.4e+09 ++ O O O O O O O O O O O O O O O O | O O | 2.2e+09 ++----O----------------------------------------------------------+ perf-stat.node-loads 3.4e+09 ++---------------------------------------------------------------+ | *...*..*.. | 3.2e+09 *+.*.. .*..*.. ..*..*.. .. *..* | | *. *. *..*..*..*.. *..* | | .. | 3e+09 ++ * | | | 2.8e+09 ++ | | | 2.6e+09 ++ O | | | | O O O 2.4e+09 ++ O O O O O O O O O O O O O O | | O O | 2.2e+09 O+----O----------------------------------------------------------+ perf-stat.node-prefetches 3.5e+09 ++------------------------------------------------*--------------+ *..*.. *. | 3e+09 ++ *.. .*.. .*.. .. *.. | | *. ..*. *..*..*..*.. .*..* *..* | | *. *. | 2.5e+09 ++ | | | 2e+09 ++ | | | 1.5e+09 ++ | | O | O O O O O O O O O O O O O O | 1e+09 O+ O O O O O O | | | 5e+08 ++---------------------------------------------------------------+ [*] bisect-good sample [O] bisect-bad sample Thanks, Fengguang _______________________________________________ LKP mailing list LKP(a)linux.intel.com