Messages in this thread |  | | | Subject | [LKP] [Btrfs] 3a8b36f3780: -62.6% fileio.requests_per_sec | | From | Huang Ying <> | | Date | Wed, 18 Mar 2015 16:20:37 +0800 |
| |
FYI, we noticed the below changes on
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 3a8b36f378060d20062a0918e99fae39ff077bf0 ("Btrfs: fix data loss in the fast fsync path")
testbox/testcase/testparams: lkp-sb02/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndwr-sync
f5c0a122800c301e 3a8b36f378060d20062a0918e9 ---------------- -------------------------- %stddev %change %stddev \ | \ 45.33 ± 0% -62.6% 16.94 ± 0% fileio.requests_per_sec 138983 ± 0% +15.1% 160000 ± 0% fileio.time.voluntary_context_switches 16035 ± 0% +13.0% 18124 ± 0% fileio.time.involuntary_context_switches 2504328 ± 0% -7.2% 2324488 ± 0% fileio.time.file_system_outputs 1.35 ± 1% +2.8% 1.38 ± 0% turbostat.CorWatt 0.77 ± 6% +34.6% 1.03 ± 3% turbostat.Pkg%pc3 7224199 ± 22% -26.7% 5298697 ± 12% cpuidle.C1-SNB.time 8377756 ± 1% +15.7% 9690687 ± 4% cpuidle.C3-SNB.time 16035 ± 0% +13.0% 18124 ± 0% time.involuntary_context_switches 138983 ± 0% +15.1% 160000 ± 0% time.voluntary_context_switches 45941 ± 0% +11.0% 50983 ± 0% softirqs.BLOCK 35635 ± 2% +13.7% 40524 ± 2% softirqs.RCU 26255 ± 1% +10.5% 29017 ± 0% softirqs.SCHED 50650 ± 2% +11.3% 56371 ± 0% softirqs.TIMER 3448 ± 0% +1.6% 3503 ± 0% vmstat.io.bo 4010 ± 0% +2.7% 4119 ± 0% vmstat.system.cs 294711 ± 1% -17.1% 244365 ± 0% meminfo.Active 275793 ± 2% -18.1% 225971 ± 0% meminfo.Active(file) 53614 ± 6% +27.6% 68412 ± 15% meminfo.DirectMap4k 3781 ± 0% -46.9% 2006 ± 0% meminfo.Dirty 47786 ± 0% -14.7% 40780 ± 0% meminfo.SReclaimable 66047 ± 0% -10.7% 58973 ± 0% meminfo.Slab 68947 ± 2% -18.1% 56492 ± 0% proc-vmstat.nr_active_file 337110 ± 0% -10.0% 303330 ± 0% proc-vmstat.nr_dirtied 944 ± 0% -46.9% 501 ± 0% proc-vmstat.nr_dirty 11946 ± 0% -14.7% 10195 ± 0% proc-vmstat.nr_slab_reclaimable 335424 ± 0% -9.7% 302754 ± 0% proc-vmstat.nr_written 55839 ± 3% -15.0% 47438 ± 0% proc-vmstat.pgactivate 1142 ± 5% -16.2% 957 ± 17% slabinfo.btrfs_delayed_ref_head.active_objs 1146 ± 5% -16.0% 962 ± 17% slabinfo.btrfs_delayed_ref_head.num_objs 1246 ± 6% -29.4% 880 ± 15% slabinfo.btrfs_delayed_tree_ref.active_objs 1246 ± 6% -29.4% 880 ± 15% slabinfo.btrfs_delayed_tree_ref.num_objs 2037 ± 2% +60.0% 3260 ± 1% slabinfo.btrfs_extent_buffer.num_objs 2023 ± 2% +60.7% 3250 ± 1% slabinfo.btrfs_extent_buffer.active_objs 13307 ± 0% -57.7% 5634 ± 0% slabinfo.btrfs_extent_state.num_objs 260 ± 0% -57.8% 110 ± 0% slabinfo.btrfs_extent_state.num_slabs 13292 ± 0% -57.6% 5634 ± 0% slabinfo.btrfs_extent_state.active_objs 260 ± 0% -57.8% 110 ± 0% slabinfo.btrfs_extent_state.active_slabs 713 ± 1% -51.2% 348 ± 1% slabinfo.btrfs_ordered_extent.active_objs 718 ± 1% -48.1% 373 ± 1% slabinfo.btrfs_ordered_extent.num_objs 26930 ± 0% -57.1% 11557 ± 0% slabinfo.btrfs_path.num_objs 961 ± 0% -57.1% 412 ± 0% slabinfo.btrfs_path.active_slabs 961 ± 0% -57.1% 412 ± 0% slabinfo.btrfs_path.num_slabs 26930 ± 0% -57.1% 11557 ± 0% slabinfo.btrfs_path.active_objs 789 ± 4% -48.5% 406 ± 0% slabinfo.ext4_extent_status.num_objs 789 ± 4% -48.5% 406 ± 0% slabinfo.ext4_extent_status.active_objs 26083 ± 0% -28.3% 18697 ± 0% slabinfo.radix_tree_node.num_objs 26083 ± 0% -28.3% 18697 ± 0% slabinfo.radix_tree_node.active_objs 931 ± 0% -28.3% 667 ± 0% slabinfo.radix_tree_node.active_slabs 931 ± 0% -28.3% 667 ± 0% slabinfo.radix_tree_node.num_slabs 4 ± 38% +129.4% 9 ± 31% sched_debug.cfs_rq[0]:/.runnable_load_avg 17 ± 32% -54.9% 8 ± 45% sched_debug.cfs_rq[3]:/.runnable_load_avg 385 ± 14% -25.3% 287 ± 17% sched_debug.cfs_rq[3]:/.load 51947 ± 3% +15.4% 59938 ± 3% sched_debug.cpu#0.nr_load_updates 200860 ± 5% +11.6% 224079 ± 4% sched_debug.cpu#1.ttwu_local 47218 ± 2% +7.4% 50701 ± 2% sched_debug.cpu#1.nr_load_updates 5 ± 37% +105.0% 10 ± 26% sched_debug.cpu#1.cpu_load[1] 226755 ± 4% +11.4% 252611 ± 4% sched_debug.cpu#1.ttwu_count 2500 ± 34% -45.6% 1360 ± 33% sched_debug.cpu#3.curr->pid 385 ± 14% -25.8% 285 ± 16% sched_debug.cpu#3.load
testbox/testcase/testparams: bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
f5c0a122800c301e 3a8b36f378060d20062a0918e9 ---------------- -------------------------- 62.17 ± 0% -64.6% 22.03 ± 0% fileio.requests_per_sec 712336 ± 0% -64.2% 255005 ± 0% fileio.time.file_system_inputs 712336 ± 0% -64.2% 255005 ± 0% time.file_system_inputs 0.73 ± 3% -21.1% 0.58 ± 3% time.user_time 46562 ± 0% +29.5% 60303 ± 1% softirqs.RCU 57662 ± 0% +16.7% 67299 ± 0% softirqs.SCHED 259 ± 0% -64.3% 92 ± 0% vmstat.io.bi 3638 ± 1% -10.1% 3272 ± 2% meminfo.Dirty 432 ± 8% -25.8% 320 ± 28% proc-vmstat.allocstall 253 ± 9% -21.9% 197 ± 19% proc-vmstat.compact_fail 506 ± 8% -17.8% 416 ± 14% proc-vmstat.compact_stall 11262 ± 3% -20.1% 8996 ± 2% proc-vmstat.kswapd_low_wmark_hit_quickly 910 ± 1% -10.5% 815 ± 0% proc-vmstat.nr_dirty 17652 ± 2% -16.0% 14833 ± 3% proc-vmstat.pageoutrun 59446 ± 0% -20.2% 47455 ± 0% proc-vmstat.pgactivate 169701 ± 0% +11.5% 189186 ± 5% proc-vmstat.pgmigrate_success 355946 ± 0% -64.2% 127593 ± 0% proc-vmstat.pgpgin 27402 ± 7% -23.9% 20844 ± 29% proc-vmstat.pgsteal_direct_dma32 4868 ± 0% -56.8% 2104 ± 1% proc-vmstat.workingset_refault 1624 ± 3% -5.7% 1530 ± 1% slabinfo.Acpi-ParseExt.active_objs 1624 ± 3% -5.7% 1530 ± 1% slabinfo.Acpi-ParseExt.num_objs 1009 ± 6% -28.6% 720 ± 17% slabinfo.btrfs_delayed_data_ref.active_objs 1016 ± 6% -28.5% 726 ± 16% slabinfo.btrfs_delayed_data_ref.num_objs 849 ± 0% -10.3% 761 ± 4% slabinfo.btrfs_delayed_ref_head.active_objs 851 ± 0% -9.9% 767 ± 4% slabinfo.btrfs_delayed_ref_head.num_objs 10883 ± 1% -47.5% 5709 ± 4% slabinfo.btrfs_extent_state.num_objs 213 ± 1% -47.6% 111 ± 4% slabinfo.btrfs_extent_state.num_slabs 10794 ± 1% -48.6% 5551 ± 3% slabinfo.btrfs_extent_state.active_objs 213 ± 1% -47.6% 111 ± 4% slabinfo.btrfs_extent_state.active_slabs 6596 ± 0% -58.5% 2735 ± 1% slabinfo.btrfs_path.num_objs 235 ± 0% -58.6% 97 ± 1% slabinfo.btrfs_path.active_slabs 235 ± 0% -58.6% 97 ± 1% slabinfo.btrfs_path.num_slabs 6592 ± 0% -58.6% 2731 ± 1% slabinfo.btrfs_path.active_objs 5055 ± 6% -9.0% 4601 ± 2% slabinfo.kmalloc-32.num_objs 5055 ± 6% -9.0% 4601 ± 2% slabinfo.kmalloc-32.active_objs 1512 ± 2% -12.2% 1328 ± 5% slabinfo.kmalloc-96.num_objs 1512 ± 2% -12.2% 1328 ± 5% slabinfo.kmalloc-96.active_objs 459 ± 2% -16.8% 382 ± 6% sched_debug.cfs_rq[0]:/.blocked_load_avg 478 ± 1% -15.6% 403 ± 5% sched_debug.cfs_rq[0]:/.tg_load_contrib 49 ± 7% -9.1% 45 ± 11% sched_debug.cfs_rq[3]:/.tg_runnable_contrib 2337 ± 6% -9.9% 2106 ± 11% sched_debug.cfs_rq[3]:/.avg->runnable_avg_sum 25079 ± 3% -10.1% 22542 ± 4% sched_debug.cfs_rq[3]:/.exec_clock 28 ± 17% -35.7% 18 ± 9% sched_debug.cfs_rq[3]:/.nr_spread_over 499222 ± 12% -59.7% 201330 ± 40% sched_debug.cpu#0.sched_goidle 1018389 ± 12% -58.2% 425747 ± 37% sched_debug.cpu#0.nr_switches 90529 ± 4% -17.6% 74603 ± 8% sched_debug.cpu#0.nr_load_updates 513982 ± 13% -56.9% 221386 ± 36% sched_debug.cpu#0.ttwu_count 1019018 ± 12% -58.2% 426387 ± 37% sched_debug.cpu#0.sched_count 320 ± 3% -14.3% 274 ± 13% sched_debug.cpu#0.load 323974 ± 21% +131.6% 750473 ± 12% sched_debug.cpu#1.sched_count 323373 ± 21% +131.9% 749837 ± 12% sched_debug.cpu#1.nr_switches 89555 ± 46% +230.0% 295518 ± 16% sched_debug.cpu#1.ttwu_local 13 ± 30% +59.0% 20 ± 8% sched_debug.cpu#1.cpu_load[2] 8 ± 41% +111.8% 18 ± 12% sched_debug.cpu#1.cpu_load[4] 68535 ± 4% +22.2% 83732 ± 1% sched_debug.cpu#1.nr_load_updates 10 ± 33% +84.1% 19 ± 9% sched_debug.cpu#1.cpu_load[3] 160382 ± 16% +122.7% 357238 ± 12% sched_debug.cpu#1.ttwu_count 151508 ± 22% +140.8% 364820 ± 12% sched_debug.cpu#1.sched_goidle 388481 ± 2% -42.8% 222376 ± 46% sched_debug.cpu#2.ttwu_local 87970 ± 3% -6.8% 81971 ± 6% sched_debug.cpu#2.nr_load_updates 452753 ± 3% -37.3% 283785 ± 36% sched_debug.cpu#2.ttwu_count 916511 ± 5% -36.7% 580526 ± 36% sched_debug.cpu#2.nr_switches 917118 ± 5% -36.6% 581168 ± 36% sched_debug.cpu#2.sched_count 448592 ± 5% -37.9% 278755 ± 38% sched_debug.cpu#2.sched_goidle 140376 ± 7% +179.3% 392097 ± 28% sched_debug.cpu#3.sched_goidle 68344 ± 2% +24.1% 84790 ± 8% sched_debug.cpu#3.nr_load_updates 78592 ± 33% +335.3% 342125 ± 33% sched_debug.cpu#3.ttwu_local 300663 ± 7% +168.1% 806077 ± 27% sched_debug.cpu#3.sched_count 149690 ± 12% +182.2% 422447 ± 26% sched_debug.cpu#3.ttwu_count 300054 ± 7% +168.5% 805498 ± 27% sched_debug.cpu#3.nr_switches
testbox/testcase/testparams: bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndwr-sync
f5c0a122800c301e 3a8b36f378060d20062a0918e9 ---------------- -------------------------- 1.32 ± 6% +8834.3% 117.71 ±171% fileio.request_latency_max_ms 44.70 ± 0% -56.7% 19.35 ± 0% fileio.requests_per_sec 156010 ± 0% +38.4% 215846 ± 0% fileio.time.voluntary_context_switches 2663864 ± 0% -6.2% 2499112 ± 0% fileio.time.file_system_outputs 156010 ± 0% +38.4% 215846 ± 0% time.voluntary_context_switches 39761 ± 1% +22.5% 48712 ± 2% softirqs.RCU 37048 ± 1% +17.1% 43380 ± 2% softirqs.SCHED 52147 ± 1% +15.3% 60140 ± 1% softirqs.TIMER 2142 ± 0% +4.6% 2239 ± 0% vmstat.system.in 4067 ± 0% +5.9% 4307 ± 0% vmstat.system.cs 315172 ± 0% -13.9% 271267 ± 0% meminfo.Active 296097 ± 0% -14.5% 253063 ± 0% meminfo.Active(file) 3678 ± 0% -42.1% 2131 ± 1% meminfo.Dirty 47204 ± 0% -14.5% 40351 ± 0% meminfo.SReclaimable 64571 ± 0% -10.7% 57634 ± 0% meminfo.Slab 74024 ± 0% -14.5% 63263 ± 0% proc-vmstat.nr_active_file 919 ± 0% -42.1% 532 ± 1% proc-vmstat.nr_dirty 11801 ± 0% -14.5% 10087 ± 0% proc-vmstat.nr_slab_reclaimable 59906 ± 0% -25.1% 44895 ± 0% proc-vmstat.pgactivate 1971 ± 5% -8.0% 1814 ± 3% slabinfo.anon_vma.active_objs 1971 ± 5% -8.0% 1814 ± 3% slabinfo.anon_vma.num_objs 1759 ± 7% -17.1% 1457 ± 5% slabinfo.btrfs_delayed_data_ref.active_objs 1768 ± 7% -17.2% 1464 ± 5% slabinfo.btrfs_delayed_data_ref.num_objs 1081 ± 15% -41.9% 628 ± 11% slabinfo.btrfs_delayed_tree_ref.active_objs 1082 ± 15% -41.9% 628 ± 11% slabinfo.btrfs_delayed_tree_ref.num_objs 2313 ± 1% -21.9% 1805 ± 0% slabinfo.btrfs_extent_buffer.num_objs 2301 ± 1% -22.1% 1792 ± 0% slabinfo.btrfs_extent_buffer.active_objs 13162 ± 0% -51.8% 6341 ± 0% slabinfo.btrfs_extent_state.num_objs 257 ± 0% -51.9% 123 ± 0% slabinfo.btrfs_extent_state.num_slabs 13152 ± 0% -51.8% 6341 ± 0% slabinfo.btrfs_extent_state.active_objs 257 ± 0% -51.9% 123 ± 0% slabinfo.btrfs_extent_state.active_slabs 715 ± 0% -46.2% 385 ± 5% slabinfo.btrfs_ordered_extent.active_objs 720 ± 0% -43.4% 408 ± 5% slabinfo.btrfs_ordered_extent.num_objs 26591 ± 0% -51.4% 12924 ± 0% slabinfo.btrfs_path.num_objs 949 ± 0% -51.4% 461 ± 0% slabinfo.btrfs_path.active_slabs 949 ± 0% -51.4% 461 ± 0% slabinfo.btrfs_path.num_slabs 26591 ± 0% -51.4% 12924 ± 0% slabinfo.btrfs_path.active_objs 670 ± 8% -39.2% 407 ± 0% slabinfo.ext4_extent_status.num_objs 670 ± 8% -39.2% 407 ± 0% slabinfo.ext4_extent_status.active_objs 503 ± 6% -13.2% 437 ± 8% slabinfo.mnt_cache.active_objs 522 ± 7% -13.4% 452 ± 6% slabinfo.mnt_cache.num_objs 26243 ± 0% -26.8% 19212 ± 0% slabinfo.radix_tree_node.num_objs 26243 ± 0% -26.8% 19212 ± 0% slabinfo.radix_tree_node.active_objs 937 ± 0% -26.8% 685 ± 0% slabinfo.radix_tree_node.active_slabs 937 ± 0% -26.8% 685 ± 0% slabinfo.radix_tree_node.num_slabs
lkp-sb02: Sandy Bridge-EP Memory: 4G
bay: Pentium D Memory: 2G
fileio.requests_per_sec
50 ++---------------------------------------------------------------------+ | | 45 *+.*..*...*..*..*..*...*..*..*..*...*..*..*..*..*...*..*..*..*...*..*..* 40 ++ | | | 35 ++ | | | 30 ++ | | | 25 ++ | 20 ++ | O O O O O | 15 ++ O O O O O O O O O O O O O | | | 10 ++--------------O------------------------------------------------------+
fileio.time.file_system_outputs
2.6e+06 ++----------------------------------------------------------------+ 2.5e+06 *+.*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..* | | 2.4e+06 O+ O O O O O O O O O | 2.3e+06 ++ O O O O O O O O | 2.2e+06 ++ | 2.1e+06 ++ | | | 2e+06 ++ | 1.9e+06 ++ | 1.8e+06 ++ | 1.7e+06 ++ | | | 1.6e+06 ++ O | 1.5e+06 ++----------------------------------------------------------------+
proc-vmstat.nr_active_file
75000 ++------------------------------------------------------------------+ | | 70000 ++ .*..| *..*..*..*..*..*...*..*..*..*..*..*..*.. .*.. .*...*..*..*..*. * | *. *. | 65000 ++ | | | 60000 ++ | | O O | 55000 O+ O O O O O O O O O O O O O O O | | | | | 50000 ++ O | | | 45000 ++------------------------------------------------------------------+
proc-vmstat.nr_dirty
1000 ++-------------------------------------------------------------------+ *..*..*..*...*..*..*..*..*..*..*... .*.. .*.. .*..*..*...*..*..*..* 900 ++ *. *. *. | | | 800 ++ | | | 700 ++ | | | 600 ++ | | | 500 O+ O O O O O O O O O O O O O O O O O | | | 400 ++ O | | | 300 ++-------------------------------------------------------------------+
proc-vmstat.nr_slab_reclaimable
12000 ++--------------------------*--*-----*-----*-----*---*-----*--*-----* | .. *. .. .. *. *. | *..*..*..*..*..*...*..*..* * * | 11500 ++ | | | | | 11000 ++ | | | 10500 ++ | | | | O O O O O O O O | 10000 ++ O O | O O O O O O O O | | | 9500 ++-------------O----------------------------------------------------+
proc-vmstat.nr_dirtied
340000 *+-*--*--*--*--*--*--*--*--*--*---*--*--*--*--*--*--*--*--*--*--*--* | | 320000 ++ | | O | 300000 O+ O O O O O O O O O O O O O O O O | | | 280000 ++ | | | 260000 ++ | | | 240000 ++ | | | 220000 ++ | | | 200000 ++-------------O---------------------------------------------------+
proc-vmstat.nr_written
340000 ++-*-----*--------*------------------*--*--*--*-----*--*--*--*-----* *. *. *..*. *..*..*..*...*. *. *. | 320000 ++ | | | 300000 O+ O O O O O O O O O O O O O O O O O | | | 280000 ++ | | | 260000 ++ | | | 240000 ++ | | | 220000 ++ | | | 200000 ++-------------O---------------------------------------------------+
proc-vmstat.pgactivate
60000 ++---------------------------------------------------------------*--+ | .. | 55000 *+.*..*..*..*..*...*..*..*..*..*..*..*..*..*..*..*...*..*..*..* * | | 50000 ++ | O O O O O O O O O O O O O O O O O | 45000 ++ O | | | 40000 ++ | | | 35000 ++ | | | 30000 ++ O | | | 25000 ++------------------------------------------------------------------+
meminfo.Active
310000 ++-----------------------------------------------------------------+ 300000 ++ *..| | .*..*..*..*.. .*... .*.. *.. .. * 290000 *+ *..*..*..*..*. *. .*.. .. *..*..*..* | 280000 ++ *. * | | | 270000 ++ | 260000 ++ | 250000 ++ | O O O O O O O O O O O O O O O O O | 240000 ++ O | 230000 ++ | | | 220000 ++ O | 210000 ++-----------------------------------------------------------------+
meminfo.Active(file)
290000 ++-----------------------------------------------------------------+ 280000 ++ *..| | .*..*..*..*..*..*..*..*..*..*... .*.. *..*.. .. * 270000 *+ *. *..*.. .. *..*..* | 260000 ++ * | | | 250000 ++ | 240000 ++ | 230000 ++ | O O O O O O O O O O O O O O O O O | 220000 ++ O | 210000 ++ | | | 200000 ++ O | 190000 ++-----------------------------------------------------------------+
meminfo.Dirty
4000 ++-------------------------------------------------------------------+ *..*..*..*...*..*..*..*..*..*..*... .*.. .*..*..*...*..*..*..* | *. *..*..*. | 3500 ++ | | | | | 3000 ++ | | | 2500 ++ | | | | | 2000 O+ O O O O O O O O O O O O O O O O O | | | | | 1500 ++--------------O----------------------------------------------------+
meminfo.Slab
67000 ++------------------------------------------------------------------+ 66000 ++ *..*.. .*.. *.. ..*.. .*.. .*..* | .. *. .. .*. *. *. | 65000 *+.*..*..*..*..*...*..*..* * *. | 64000 ++ | 63000 ++ | 62000 ++ | | | 61000 ++ | 60000 ++ | 59000 ++ O O O O O O O O O | 58000 ++ O O O O | O O O O O | 57000 ++ O | 56000 ++------------------------------------------------------------------+
meminfo.SReclaimable
48000 ++--------------------------*--*-----*-----*-----*---*-----*--*-----* 47000 ++ .. *. .. .. *. *. | *..*..*..*..*..*...*..*..* * * | 46000 ++ | 45000 ++ | | | 44000 ++ | 43000 ++ | 42000 ++ | | | 41000 ++ O O O O O O O O | 40000 ++ O O | O O O O O O O O | 39000 ++ | 38000 ++-------------O----------------------------------------------------+
[*] bisect-good sample [O] bisect-bad sample
To reproduce:
apt-get install ruby git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git cd lkp-tests bin/setup-local job.yaml # the job file attached in this email bin/run-local job.yaml
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, Ying Huang
--- testcase: fileio default-monitors: wait: pre-test uptime: iostat: vmstat: numa-numastat: numa-vmstat: numa-meminfo: proc-vmstat: proc-stat: meminfo: slabinfo: interrupts: lock_stat: latency_stats: softirqs: bdi_dev_mapping: diskstats: nfsstat: cpuidle: cpufreq-stats: turbostat: pmeter: sched_debug: interval: 10 default_watchdogs: watch-oom: watchdog: cpufreq_governor: performance commit: 9eccca0843205f87c00404b663188b88eb248051 model: Sandy Bridge-EP memory: 4G hdd_partitions: "/dev/disk/by-id/ata-HDT722516DLA380_VDSD1DTCEKYAEJ-part2" swap_partitions: rootfs_partition: "/dev/disk/by-id/ata-HDT722516DLA380_VDSD1DTCEKYAEJ-part1" period: 600s nr_threads: 100% disk: 1HDD fs: btrfs size: 64G fileio: filenum: 1024f rwmode: rndwr iomode: sync testbox: lkp-sb02 tbox_group: lkp-sb02 kconfig: x86_64-rhel enqueue_time: 2015-03-09 18:58:56.664224511 +08:00 head_commit: 22b0731038c7bed19161c232134e457bfd0ab7c7 base_commit: 9eccca0843205f87c00404b663188b88eb248051 branch: linux-devel/devel-hourly-2015031206 kernel: "/kernel/x86_64-rhel/9eccca0843205f87c00404b663188b88eb248051/vmlinuz-4.0.0-rc3" user: wfg queue: cyclic rootfs: debian-x86_64-2015-02-07.cgz result_root: "/result/lkp-sb02/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndwr-sync/debian-x86_64-2015-02-07.cgz/x86_64-rhel/9eccca0843205f87c00404b663188b88eb248051/0" job_file: "/lkp/scheduled/lkp-sb02/cyclic_fileio-performance-600s-100%-1HDD-btrfs-64G-1024f-rndwr-sync-x86_64-rhel-BASE-9eccca0843205f87c00404b663188b88eb248051-0-20150309-106430-ne86sn.yaml" dequeue_time: 2015-03-12 13:29:16.651686503 +08:00 nr_cpu: "$(nproc)" job_state: finished loadavg: 3.14 3.34 1.92 1/132 12642 start_time: '1426138196' end_time: '1426138827' version: "/lkp/wfg/.src-20150312-111505" 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 mkfs -t btrfs /dev/sda2 mount -t btrfs /dev/sda2 /fs/sda2 cd /fs/sda2 fallocate -l 67108864 test_file.0 fallocate -l 67108864 test_file.1 fallocate -l 67108864 test_file.2 fallocate -l 67108864 test_file.3 fallocate -l 67108864 test_file.4 fallocate -l 67108864 test_file.5 fallocate -l 67108864 test_file.6 fallocate -l 67108864 test_file.7 fallocate -l 67108864 test_file.8 fallocate -l 67108864 test_file.9 fallocate -l 67108864 test_file.10 fallocate -l 67108864 test_file.11 fallocate -l 67108864 test_file.12 fallocate -l 67108864 test_file.13 fallocate -l 67108864 test_file.14 fallocate -l 67108864 test_file.15 fallocate -l 67108864 test_file.16 fallocate -l 67108864 test_file.17 fallocate -l 67108864 test_file.18 fallocate -l 67108864 test_file.19 fallocate -l 67108864 test_file.20 fallocate -l 67108864 test_file.21 fallocate -l 67108864 test_file.22 fallocate -l 67108864 test_file.23 fallocate -l 67108864 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fallocate -l 67108864 test_file.1022 fallocate -l 67108864 test_file.1023 sysbench --test=fileio --max-requests=0 --num-threads=4 --max-time=600 --file-test-mode=rndwr --file-total-size=68719476736 --file-io-mode=sync --file-num=1024 run _______________________________________________ LKP mailing list LKP@linux.intel.com
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