FYI, we noticed the below changes on https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs dev-test commit 24b8491251cde66879e74092167cc0f27a1f11ce ("f2fs: preallocate blocks for buffered aio writes")
========================================================================================= compiler/cpufreq_governor/disk/filesize/fs/iterations/kconfig/nr_threads/rootfs/sync_method/tbox_group/test_size/testcase: gcc-4.9/performance/1BRD_48G/4M/f2fs/1x/x86_64-rhel/64t/debian-x86_64-2015-02-07.cgz/NoSync/lkp-hsx04/40G/fsmark commit: b439b103a6c9eb3417f34b4a609d4e00b4c59aca 24b8491251cde66879e74092167cc0f27a1f11ce b439b103a6c9eb34 24b8491251cde66879e7409216 ---------------- -------------------------- %stddev %change %stddev \ | \ 612289 ± 1% -7.1% 568876 ± 1% fsmark.app_overhead 1495 ± 2% +25.1% 1871 ± 2% fsmark.files_per_sec 3422 ± 2% +41.0% 4827 ± 4% fsmark.time.percent_of_cpu_this_job_got 1188385 ± 1% -68.3% 377081 ± 9% fsmark.time.voluntary_context_switches 264601 ± 26% -38.8% 161926 ± 43% softirqs.SCHED 4802 ± 5% +84.1% 8841 ± 12% proc-vmstat.pgactivate 54154 ± 2% -11.3% 48039 ± 4% proc-vmstat.pgfault 43810 ± 2% -9.3% 39722 ± 2% proc-vmstat.pgfree 19.00 ± 20% +50.0% 28.50 ± 8% vmstat.procs.r 208274 ± 6% -66.3% 70257 ± 8% vmstat.system.cs 24846 ± 7% +18.3% 29381 ± 6% vmstat.system.in 4254 ± 1% +11.5% 4745 ± 4% numa-meminfo.node1.KernelStack 8893 ± 20% -33.7% 5896 ± 14% numa-meminfo.node3.Active(anon) 28208 ± 7% +21.6% 34295 ± 6% numa-meminfo.node3.Active(file) 8828 ± 20% -34.7% 5762 ± 13% numa-meminfo.node3.AnonPages 654.25 ± 9% -17.9% 537.00 ± 18% numa-vmstat.node0.nr_alloc_batch 2217 ± 20% -33.7% 1470 ± 14% numa-vmstat.node3.nr_active_anon 7050 ± 7% +21.6% 8573 ± 6% numa-vmstat.node3.nr_active_file 2208 ± 19% -34.7% 1441 ± 13% numa-vmstat.node3.nr_anon_pages 6.97 ± 2% -19.9% 5.59 ± 2% time.elapsed_time 6.97 ± 2% -19.9% 5.59 ± 2% time.elapsed_time.max 3422 ± 2% +41.0% 4827 ± 4% time.percent_of_cpu_this_job_got 0.46 ± 1% -12.6% 0.40 ± 4% time.user_time 1188385 ± 1% -68.3% 377081 ± 9% time.voluntary_context_switches 21.32 ± 3% +36.3% 29.05 ± 5% turbostat.%Busy 616.25 ± 3% +36.4% 840.75 ± 5% turbostat.Avg_MHz 26.38 ± 5% -23.9% 20.06 ± 10% turbostat.CPU%c1 2.77 ± 20% -59.9% 1.11 ± 12% turbostat.CPU%c3 309.69 ± 2% +4.5% 323.48 ± 0% turbostat.PkgWatt 15951637 ± 16% +127.1% 36232857 ± 28% cpuidle.C1-HSW.time 93867067 ± 12% -37.6% 58584188 ± 20% cpuidle.C1E-HSW.time 337610 ± 3% -70.0% 101408 ± 7% cpuidle.C1E-HSW.usage 37574978 ± 18% -71.3% 10766602 ± 7% cpuidle.C3-HSW.time 140480 ± 14% -75.2% 34776 ± 14% cpuidle.C3-HSW.usage 7.511e+08 ± 1% -24.4% 5.681e+08 ± 1% cpuidle.C6-HSW.time 790092 ± 3% -78.7% 168250 ± 15% cpuidle.C6-HSW.usage 0.00 ± -1% +Inf% 346080 ± 9% latency_stats.hits.call_rwsem_down_read_failed.get_node_info.[f2fs].read_node_page.[f2fs].__get_node_page.[f2fs].get_node_page.[f2fs].get_dnode_of_data.[f2fs].f2fs_map_blocks.[f2fs].f2fs_preallocate_blocks.[f2fs].f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write.SyS_write 36235 ± 4% -100.0% 0.00 ± -1% latency_stats.hits.call_rwsem_down_read_failed.get_node_info.[f2fs].read_node_page.[f2fs].__get_node_page.[f2fs].get_node_page.[f2fs].get_dnode_of_data.[f2fs].f2fs_reserve_block.[f2fs].f2fs_get_block.[f2fs].f2fs_write_begin.[f2fs].generic_perform_write.__generic_file_write_iter.f2fs_file_write_iter.[f2fs] 1110160 ± 2% -100.0% 0.00 ± -1% latency_stats.hits.call_rwsem_down_read_failed.get_node_info.[f2fs].read_node_page.[f2fs].__get_node_page.[f2fs].get_node_page.[f2fs].get_node_page.[f2fs].f2fs_write_begin.[f2fs].generic_perform_write.__generic_file_write_iter.f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write 10727 ± 2% -100.0% 0.00 ± -1% latency_stats.hits.call_rwsem_down_write_failed.get_node_info.[f2fs].new_node_page.[f2fs].get_dnode_of_data.[f2fs].f2fs_reserve_block.[f2fs].f2fs_get_block.[f2fs].f2fs_write_begin.[f2fs].generic_perform_write.__generic_file_write_iter.f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write 0.00 ± -1% +Inf% 104220 ± 12% latency_stats.sum.call_rwsem_down_read_failed.get_node_info.[f2fs].new_node_page.[f2fs].get_dnode_of_data.[f2fs].f2fs_map_blocks.[f2fs].f2fs_preallocate_blocks.[f2fs].f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath 88684 ± 2% -100.0% 0.00 ± -1% latency_stats.sum.call_rwsem_down_read_failed.get_node_info.[f2fs].new_node_page.[f2fs].get_dnode_of_data.[f2fs].f2fs_reserve_block.[f2fs].f2fs_get_block.[f2fs].f2fs_write_begin.[f2fs].generic_perform_write.__generic_file_write_iter.f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write 0.00 ± -1% +Inf% 62708911 ± 13% latency_stats.sum.call_rwsem_down_read_failed.get_node_info.[f2fs].read_node_page.[f2fs].__get_node_page.[f2fs].get_node_page.[f2fs].get_dnode_of_data.[f2fs].f2fs_map_blocks.[f2fs].f2fs_preallocate_blocks.[f2fs].f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write.SyS_write 6532927 ± 7% -100.0% 0.00 ± -1% latency_stats.sum.call_rwsem_down_read_failed.get_node_info.[f2fs].read_node_page.[f2fs].__get_node_page.[f2fs].get_node_page.[f2fs].get_dnode_of_data.[f2fs].f2fs_reserve_block.[f2fs].f2fs_get_block.[f2fs].f2fs_write_begin.[f2fs].generic_perform_write.__generic_file_write_iter.f2fs_file_write_iter.[f2fs] 0.00 ± -1% +Inf% 860616 ± 16% latency_stats.sum.call_rwsem_down_read_failed.get_node_info.[f2fs].read_node_page.[f2fs].__get_node_page.[f2fs].get_node_page.[f2fs].get_node_page.[f2fs].f2fs_convert_inline_inode.[f2fs].f2fs_preallocate_blocks.[f2fs].f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write.SyS_write 1.663e+08 ± 0% -100.0% 0.00 ± -1% latency_stats.sum.call_rwsem_down_read_failed.get_node_info.[f2fs].read_node_page.[f2fs].__get_node_page.[f2fs].get_node_page.[f2fs].get_node_page.[f2fs].f2fs_write_begin.[f2fs].generic_perform_write.__generic_file_write_iter.f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write 0.00 ± -1% +Inf% 434819 ± 14% latency_stats.sum.call_rwsem_down_write_failed.get_node_info.[f2fs].new_node_page.[f2fs].get_dnode_of_data.[f2fs].f2fs_map_blocks.[f2fs].f2fs_preallocate_blocks.[f2fs].f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath 436260 ± 2% -100.0% 0.00 ± -1% latency_stats.sum.call_rwsem_down_write_failed.get_node_info.[f2fs].new_node_page.[f2fs].get_dnode_of_data.[f2fs].f2fs_reserve_block.[f2fs].f2fs_get_block.[f2fs].f2fs_write_begin.[f2fs].generic_perform_write.__generic_file_write_iter.f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write 0.00 ± -1% +Inf% 375976 ± 14% latency_stats.sum.call_rwsem_down_write_failed.set_node_addr.[f2fs].new_node_page.[f2fs].get_dnode_of_data.[f2fs].f2fs_map_blocks.[f2fs].f2fs_preallocate_blocks.[f2fs].f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath 827019 ± 5% -100.0% 0.00 ± -1% latency_stats.sum.call_rwsem_down_write_failed.set_node_addr.[f2fs].new_node_page.[f2fs].get_dnode_of_data.[f2fs].f2fs_reserve_block.[f2fs].f2fs_get_block.[f2fs].f2fs_write_begin.[f2fs].generic_perform_write.__generic_file_write_iter.f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write ========================================================================================= compiler/cpufreq_governor/disk/filesize/fs/iterations/kconfig/nr_threads/rootfs/sync_method/tbox_group/test_size/testcase: gcc-4.9/performance/1BRD_48G/4M/f2fs/1x/x86_64-rhel/64t/debian-x86_64-2015-02-07.cgz/NoSync/lkp-hsw-ep2/40G/fsmark commit: b439b103a6c9eb3417f34b4a609d4e00b4c59aca 24b8491251cde66879e74092167cc0f27a1f11ce b439b103a6c9eb34 24b8491251cde66879e7409216 ---------------- -------------------------- %stddev %change %stddev \ | \ 625.40 ± 1% +6.7% 667.52 ± 0% fsmark.files_per_sec 2702 ± 7% -36.6% 1714 ± 12% fsmark.time.involuntary_context_switches 770.50 ± 8% +52.2% 1172 ± 12% fsmark.time.percent_of_cpu_this_job_got 133.18 ± 7% +40.7% 187.40 ± 11% fsmark.time.system_time 686680 ± 3% -67.3% 224529 ± 18% fsmark.time.voluntary_context_switches 80197 ± 13% +19.3% 95683 ± 6% numa-meminfo.node1.Active 106550 ± 19% -38.6% 65433 ± 5% softirqs.SCHED 37713 ± 0% +17.5% 44314 ± 0% proc-vmstat.nr_active_file 5074 ± 4% +30.5% 6620 ± 20% proc-vmstat.pgactivate 178348 ± 1% +14.9% 204838 ± 0% meminfo.Active 150432 ± 0% +17.9% 177429 ± 0% meminfo.Active(file) 4898 ± 21% -12.5% 4284 ± 18% meminfo.AnonHugePages 15.63 ± 7% -42.0% 9.06 ± 6% turbostat.CPU%c1 3.34 ± 15% -22.2% 2.60 ± 6% turbostat.CPU%c3 10.18 ± 45% +89.7% 19.30 ± 14% turbostat.Pkg%pc2 1161365 ± 1% +2.6% 1192137 ± 0% vmstat.io.bo 3.25 ± 59% +138.5% 7.75 ± 10% vmstat.procs.r 65985 ± 5% -60.5% 26040 ± 12% vmstat.system.cs 8603 ± 3% +41.5% 12173 ± 11% vmstat.system.in 2702 ± 7% -36.6% 1714 ± 12% time.involuntary_context_switches 770.50 ± 8% +52.2% 1172 ± 12% time.percent_of_cpu_this_job_got 133.18 ± 7% +40.7% 187.40 ± 11% time.system_time 0.36 ± 6% -17.1% 0.30 ± 4% time.user_time 686680 ± 3% -67.3% 224529 ± 18% time.voluntary_context_switches 42510356 ± 16% -56.7% 18410803 ± 34% cpuidle.C1E-HSW.time 187168 ± 5% -63.9% 67587 ± 5% cpuidle.C1E-HSW.usage 34590282 ± 12% -42.9% 19767899 ± 11% cpuidle.C3-HSW.time 88675 ± 13% -73.0% 23973 ± 33% cpuidle.C3-HSW.usage 1.039e+09 ± 3% -8.8% 9.474e+08 ± 3% cpuidle.C6-HSW.time 380449 ± 12% -70.5% 112252 ± 17% cpuidle.C6-HSW.usage 42507793 ± 13% -66.1% 14427275 ± 19% cpuidle.POLL.time 7918 ± 50% -49.1% 4032 ± 31% cpuidle.POLL.usage 0.00 ± -1% +Inf% 194173 ± 20% latency_stats.hits.call_rwsem_down_read_failed.get_node_info.[f2fs].read_node_page.[f2fs].__get_node_page.[f2fs].get_node_page.[f2fs].get_dnode_of_data.[f2fs].f2fs_map_blocks.[f2fs].f2fs_preallocate_blocks.[f2fs].f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write.SyS_write 27391 ± 4% -100.0% 0.00 ± -1% latency_stats.hits.call_rwsem_down_read_failed.get_node_info.[f2fs].read_node_page.[f2fs].__get_node_page.[f2fs].get_node_page.[f2fs].get_dnode_of_data.[f2fs].f2fs_reserve_block.[f2fs].f2fs_get_block.[f2fs].f2fs_write_begin.[f2fs].generic_perform_write.__generic_file_write_iter.f2fs_file_write_iter.[f2fs] 621245 ± 4% -100.0% 0.00 ± -1% latency_stats.hits.call_rwsem_down_read_failed.get_node_info.[f2fs].read_node_page.[f2fs].__get_node_page.[f2fs].get_node_page.[f2fs].get_node_page.[f2fs].f2fs_write_begin.[f2fs].generic_perform_write.__generic_file_write_iter.f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write 0.00 ± -1% +Inf% 42514 ± 44% latency_stats.sum.call_rwsem_down_read_failed.get_node_info.[f2fs].new_node_page.[f2fs].get_dnode_of_data.[f2fs].f2fs_map_blocks.[f2fs].f2fs_preallocate_blocks.[f2fs].f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath 71010 ± 9% -100.0% 0.00 ± -1% latency_stats.sum.call_rwsem_down_read_failed.get_node_info.[f2fs].new_node_page.[f2fs].get_dnode_of_data.[f2fs].f2fs_reserve_block.[f2fs].f2fs_get_block.[f2fs].f2fs_write_begin.[f2fs].generic_perform_write.__generic_file_write_iter.f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write 0.00 ± -1% +Inf% 29050748 ± 40% latency_stats.sum.call_rwsem_down_read_failed.get_node_info.[f2fs].read_node_page.[f2fs].__get_node_page.[f2fs].get_node_page.[f2fs].get_dnode_of_data.[f2fs].f2fs_map_blocks.[f2fs].f2fs_preallocate_blocks.[f2fs].f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write.SyS_write 5471586 ± 7% -100.0% 0.00 ± -1% latency_stats.sum.call_rwsem_down_read_failed.get_node_info.[f2fs].read_node_page.[f2fs].__get_node_page.[f2fs].get_node_page.[f2fs].get_dnode_of_data.[f2fs].f2fs_reserve_block.[f2fs].f2fs_get_block.[f2fs].f2fs_write_begin.[f2fs].generic_perform_write.__generic_file_write_iter.f2fs_file_write_iter.[f2fs] 0.00 ± -1% +Inf% 379285 ± 50% latency_stats.sum.call_rwsem_down_read_failed.get_node_info.[f2fs].read_node_page.[f2fs].__get_node_page.[f2fs].get_node_page.[f2fs].get_node_page.[f2fs].f2fs_convert_inline_inode.[f2fs].f2fs_preallocate_blocks.[f2fs].f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write.SyS_write 1.014e+08 ± 0% -100.0% 0.00 ± -1% latency_stats.sum.call_rwsem_down_read_failed.get_node_info.[f2fs].read_node_page.[f2fs].__get_node_page.[f2fs].get_node_page.[f2fs].get_node_page.[f2fs].f2fs_write_begin.[f2fs].generic_perform_write.__generic_file_write_iter.f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write 0.00 ± -1% +Inf% 160093 ± 47% latency_stats.sum.call_rwsem_down_write_failed.get_node_info.[f2fs].new_node_page.[f2fs].get_dnode_of_data.[f2fs].f2fs_map_blocks.[f2fs].f2fs_preallocate_blocks.[f2fs].f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath 280946 ± 3% -100.0% 0.00 ± -1% latency_stats.sum.call_rwsem_down_write_failed.get_node_info.[f2fs].new_node_page.[f2fs].get_dnode_of_data.[f2fs].f2fs_reserve_block.[f2fs].f2fs_get_block.[f2fs].f2fs_write_begin.[f2fs].generic_perform_write.__generic_file_write_iter.f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write 0.00 ± -1% +Inf% 168921 ± 36% latency_stats.sum.call_rwsem_down_write_failed.set_node_addr.[f2fs].new_node_page.[f2fs].get_dnode_of_data.[f2fs].f2fs_map_blocks.[f2fs].f2fs_preallocate_blocks.[f2fs].f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath 609595 ± 5% -100.0% 0.00 ± -1% latency_stats.sum.call_rwsem_down_write_failed.set_node_addr.[f2fs].new_node_page.[f2fs].get_dnode_of_data.[f2fs].f2fs_reserve_block.[f2fs].f2fs_get_block.[f2fs].f2fs_write_begin.[f2fs].generic_perform_write.__generic_file_write_iter.f2fs_file_write_iter.[f2fs].__vfs_write.vfs_write lkp-hsx04: Brickland Haswell-EX Memory: 512G lkp-hsw-ep2: Brickland Haswell-EP Memory: 128G fsmark.time.voluntary_context_switches 1.6e+06 ++----------------------------------------------------------------+ | | 1.4e+06 *+.*.*.. .*..*.*..*.*..*.*..*.*..*..* | | * + .*. .*. .* 1.2e+06 ++ *..*.*. *..*.*..*.*. *. | 1e+06 ++ | | | 800000 ++ | | | 600000 ++ | 400000 ++ O O | | O O O O O O O | 200000 O+ O O O O O O O O O O O O | | O | 0 ++----------------------------------------------------------------+ time.voluntary_context_switches 1.6e+06 ++----------------------------------------------------------------+ | | 1.4e+06 *+.*.*.. .*..*.*..*.*..*.*..*.*..*..* | | * + .*. .*. .* 1.2e+06 ++ *..*.*. *..*.*..*.*. *. | 1e+06 ++ | | | 800000 ++ | | | 600000 ++ | 400000 ++ O O | | O O O O O O O | 200000 O+ O O O O O O O O O O O O | | O | 0 ++----------------------------------------------------------------+ [*] bisect-good sample [O] bisect-bad sample To reproduce: git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git cd lkp-tests bin/lkp install job.yaml # job file is attached in this email bin/lkp run 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, Xiaolong Ye
--- LKP_SERVER: inn LKP_CGI_PORT: 80 LKP_CIFS_PORT: 139 testcase: fsmark default-monitors: wait: activate-monitor kmsg: uptime: iostat: heartbeat: vmstat: numa-numastat: numa-vmstat: numa-meminfo: proc-vmstat: proc-stat: interval: 10 meminfo: slabinfo: interrupts: lock_stat: latency_stats: softirqs: bdi_dev_mapping: diskstats: nfsstat: cpuidle: cpufreq-stats: turbostat: pmeter: sched_debug: interval: 60 cpufreq_governor: performance default-watchdogs: oom-killer: watchdog: commit: 24b8491251cde66879e74092167cc0f27a1f11ce model: Brickland Haswell-EX nr_cpu: 120 memory: 512G hdd_partitions: swap_partitions: pmeter_server: lkp-st01 pmeter_device: yokogawa-wt310 category: benchmark iterations: 1x nr_threads: 64t disk: 1BRD_48G need_memory: 50G fs: f2fs fs2: fsmark: filesize: 4M test_size: 40G sync_method: NoSync queue: bisect testbox: lkp-hsx04 tbox_group: lkp-hsx04 kconfig: x86_64-rhel enqueue_time: 2016-03-11 04:30:12.640292103 +08:00 compiler: gcc-4.9 rootfs: debian-x86_64-2015-02-07.cgz id: 93091349c60052c97f95e66db970b803f0281792 user: lkp head_commit: 0c7106b0fa41b0df3bfe01f6761ebd70fea447e8 base_commit: f6cede5b49e822ebc41a099fe41ab4989f64e2cb branch: linux-next/master result_root: "/result/fsmark/performance-1x-64t-1BRD_48G-f2fs-4M-40G-NoSync/lkp-hsx04/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/24b8491251cde66879e74092167cc0f27a1f11ce/0" job_file: "/lkp/scheduled/lkp-hsx04/bisect_fsmark-performance-1x-64t-1BRD_48G-f2fs-4M-40G-NoSync-debian-x86_64-2015-02-07.cgz-x86_64-rhel-24b8491251cde66879e74092167cc0f27a1f11ce-20160311-38408-n3fatz-0.yaml" max_uptime: 751.4000000000001 initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz" bootloader_append: - root=/dev/ram0 - user=lkp - job=/lkp/scheduled/lkp-hsx04/bisect_fsmark-performance-1x-64t-1BRD_48G-f2fs-4M-40G-NoSync-debian-x86_64-2015-02-07.cgz-x86_64-rhel-24b8491251cde66879e74092167cc0f27a1f11ce-20160311-38408-n3fatz-0.yaml - ARCH=x86_64 - kconfig=x86_64-rhel - branch=linux-next/master - commit=24b8491251cde66879e74092167cc0f27a1f11ce - BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/24b8491251cde66879e74092167cc0f27a1f11ce/vmlinuz-4.5.0-rc5-00208-g24b8491 - max_uptime=751 - RESULT_ROOT=/result/fsmark/performance-1x-64t-1BRD_48G-f2fs-4M-40G-NoSync/lkp-hsx04/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/24b8491251cde66879e74092167cc0f27a1f11ce/0 - LKP_SERVER=inn - |2- earlyprintk=ttyS0,115200 systemd.log_level=err debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal rw lkp_initrd: "/lkp/lkp/lkp-x86_64.cgz" modules_initrd: "/pkg/linux/x86_64-rhel/gcc-4.9/24b8491251cde66879e74092167cc0f27a1f11ce/modules.cgz" bm_initrd: "/osimage/deps/debian-x86_64-2015-02-07.cgz/lkp.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/run-ipconfig.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/turbostat.cgz,/lkp/benchmarks/turbostat.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/fs.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/fs2.cgz,/lkp/benchmarks/fsmark.cgz" linux_headers_initrd: "/pkg/linux/x86_64-rhel/gcc-4.9/24b8491251cde66879e74092167cc0f27a1f11ce/linux-headers.cgz" repeat_to: 2 kernel: "/pkg/linux/x86_64-rhel/gcc-4.9/24b8491251cde66879e74092167cc0f27a1f11ce/vmlinuz-4.5.0-rc5-00208-g24b8491" dequeue_time: 2016-03-11 04:33:10.794035179 +08:00 job_state: finished loadavg: 6.31 1.46 0.48 2/1304 2974 start_time: '1457642071' end_time: '1457642076' version: "/lkp/lkp/.src-20160310-210128"
2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu10/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu100/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu101/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu102/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu103/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu104/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu105/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu106/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu107/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu108/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu109/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu11/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu110/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu111/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu112/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu113/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu114/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu115/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu116/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu117/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu118/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu119/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu12/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu120/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu121/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu122/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu123/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu124/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu125/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu126/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu127/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu128/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu129/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu13/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu130/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu131/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu132/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu133/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu134/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu135/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu136/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu137/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu138/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu139/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu14/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu140/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu141/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu142/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu143/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu15/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu16/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu17/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu18/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu19/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu20/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu21/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu22/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu23/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu24/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu25/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu26/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu27/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu28/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu29/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu30/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu31/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu32/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu33/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu34/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu35/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu36/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu37/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu38/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu39/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu40/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu41/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu42/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu43/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu44/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu45/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu46/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu47/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu48/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu49/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu5/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu50/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu51/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu52/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu53/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu54/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu55/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu56/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu57/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu58/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu59/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu6/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu60/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu61/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu62/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu63/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu64/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu65/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu66/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu67/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu68/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu69/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu7/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu70/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu71/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu72/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu73/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu74/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu75/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu76/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu77/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu78/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu79/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu8/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu80/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu81/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu82/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu83/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu84/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu85/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu86/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu87/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu88/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu89/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu9/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu90/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu91/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu92/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu93/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu94/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu95/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu96/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu97/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu98/cpufreq/scaling_governor 2016-03-11 04:34:28 echo performance > /sys/devices/system/cpu/cpu99/cpufreq/scaling_governor 2016-03-11 04:34:29 mkfs -t f2fs /dev/ram0 2016-03-11 04:34:30 mount -t f2fs /dev/ram0 /fs/ram0 2016-03-11 04:34:31 ./fs_mark -d /fs/ram0/1 -d /fs/ram0/2 -d /fs/ram0/3 -d /fs/ram0/4 -d /fs/ram0/5 -d /fs/ram0/6 -d /fs/ram0/7 -d /fs/ram0/8 -d /fs/ram0/9 -d /fs/ram0/10 -d /fs/ram0/11 -d /fs/ram0/12 -d /fs/ram0/13 -d /fs/ram0/14 -d /fs/ram0/15 -d /fs/ram0/16 -d /fs/ram0/17 -d /fs/ram0/18 -d /fs/ram0/19 -d /fs/ram0/20 -d /fs/ram0/21 -d /fs/ram0/22 -d /fs/ram0/23 -d /fs/ram0/24 -d /fs/ram0/25 -d /fs/ram0/26 -d /fs/ram0/27 -d /fs/ram0/28 -d /fs/ram0/29 -d /fs/ram0/30 -d /fs/ram0/31 -d /fs/ram0/32 -d /fs/ram0/33 -d /fs/ram0/34 -d /fs/ram0/35 -d /fs/ram0/36 -d /fs/ram0/37 -d /fs/ram0/38 -d /fs/ram0/39 -d /fs/ram0/40 -d /fs/ram0/41 -d /fs/ram0/42 -d /fs/ram0/43 -d /fs/ram0/44 -d /fs/ram0/45 -d /fs/ram0/46 -d /fs/ram0/47 -d /fs/ram0/48 -d /fs/ram0/49 -d /fs/ram0/50 -d /fs/ram0/51 -d /fs/ram0/52 -d /fs/ram0/53 -d /fs/ram0/54 -d /fs/ram0/55 -d /fs/ram0/56 -d /fs/ram0/57 -d /fs/ram0/58 -d /fs/ram0/59 -d /fs/ram0/60 -d /fs/ram0/61 -d /fs/ram0/62 -d /fs/ram0/63 -d /fs/ram0/64 -n 160 -L 1 -S 0 -s 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