From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751624AbbJHGK4 (ORCPT ); Thu, 8 Oct 2015 02:10:56 -0400 Received: from mga03.intel.com ([134.134.136.65]:44503 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750707AbbJHGKy (ORCPT ); Thu, 8 Oct 2015 02:10:54 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,653,1437462000"; d="yaml'?scan'208";a="787331627" From: kernel test robot Subject: [lkp] [mm] 46cfb125d6: No primary result change, 11.3% fsmark.time.minor_page_faults CC: lkp@01.org CC: LKML CC: Andrew Morton CC: Linus Torvalds CC: Ingo Molnar CC: Dave Hansen CC: Rik van Riel CC: Stephen Rothwell TO: Mel Gorman Date: Thu, 08 Oct 2015 14:10:51 +0800 Message-ID: <87d1wpx53o.fsf@yhuang-dev.intel.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="=-=-=" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-=-= Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable FYI, we noticed the below changes on https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master commit 46cfb125d673f2f30acf06b3c02485bf693d54e9 ("mm: increase SWAP_CLUSTER= _MAX to batch TLB flushes") =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/iterations/nr_= threads/disk/fs/filesize/test_size/sync_method/nr_directories/nr_files_per_= directory: nhm4/fsmark/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/= 1x/32t/1HDD/btrfs/16MB/60G/fsyncBeforeClose/16d/256fpd commit:=20 284f74b8c06045dcc1b5caaf5f412219f18cfc60 46cfb125d673f2f30acf06b3c02485bf693d54e9 284f74b8c06045dc 46cfb125d673f2f30acf06b3c0=20 ---------------- --------------------------=20 %stddev %change %stddev \ | \=20=20 14126 =B1 3% +11.3% 15720 =B1 4% fsmark.time.minor_page_fa= ults 17.00 =B1 0% +5.9% 18.00 =B1 0% fsmark.time.percent_of_cp= u_this_job_got 88.97 =B1 0% +8.8% 96.80 =B1 0% fsmark.time.system_time 52682 =B1 0% -18.1% 43155 =B1 0% softirqs.BLOCK 14126 =B1 3% +11.3% 15720 =B1 4% time.minor_page_faults 25179737 =B1 8% -18.5% 20528816 =B1 5% cpuidle.C1E-NHM.time 133847 =B1 3% -14.1% 114908 =B1 4% cpuidle.C3-NHM.usage 92678 =B1 2% -20.8% 73391 =B1 1% meminfo.Dirty 124930 =B1 1% +21.4% 151629 =B1 0% meminfo.Writeback 3.45 =B1 1% +3.4% 3.56 =B1 0% turbostat.%Busy 111.50 =B1 1% +3.8% 115.75 =B1 0% turbostat.Avg_MHz 101775 =B1157% +329.9% 437551 =B1169% latency_stats.max.btrfs_t= ree_lock.[btrfs].btrfs_lock_root_node.[btrfs].btrfs_search_slot.[btrfs].btr= fs_insert_empty_items.[btrfs].btrfs_new_inode.[btrfs].btrfs_create.[btrfs].= vfs_create.path_openat.do_filp_open.do_sys_open.SyS_open.entry_SYSCALL_64_f= astpath 8005 =B1 19% +5364.1% 437413 =B1169% latency_stats.max.btrfs_t= ree_lock.[btrfs].btrfs_lock_root_node.[btrfs].btrfs_search_slot.[btrfs].btr= fs_insert_empty_items.[btrfs].insert_with_overflow.[btrfs].btrfs_insert_dir= _item.[btrfs].btrfs_add_link.[btrfs].btrfs_create.[btrfs].vfs_create.path_o= penat.do_filp_open.do_sys_open 469382 =B1 66% -98.7% 6266 =B1 18% latency_stats.max.btrfs_t= ree_lock.[btrfs].btrfs_search_slot.[btrfs].btrfs_lookup_inode.[btrfs].__btr= fs_update_delayed_inode.[btrfs].btrfs_commit_inode_delayed_items.[btrfs].bt= rfs_log_inode.[btrfs].btrfs_log_inode_parent.[btrfs].btrfs_log_dentry_safe.= [btrfs].btrfs_sync_file.[btrfs].vfs_fsync_range.do_fsync.SyS_fsync 363661 =B1103% -100.0% 84.50 =B1 19% latency_stats.max.btrfs_t= ree_read_lock.[btrfs].btrfs_read_lock_root_node.[btrfs].btrfs_search_slot.[= btrfs].btrfs_insert_empty_items.[btrfs].copy_items.[btrfs].btrfs_log_inode.= [btrfs].btrfs_log_inode_parent.[btrfs].btrfs_log_dentry_safe.[btrfs].btrfs_= sync_file.[btrfs].vfs_fsync_range.do_fsync.SyS_fsync 404767 =B1170% -98.6% 5611 =B1114% latency_stats.max.btrfs_t= ree_read_lock.[btrfs].btrfs_read_lock_root_node.[btrfs].btrfs_search_slot.[= btrfs].btrfs_lookup_dir_item.[btrfs].btrfs_lookup_dentry.[btrfs].btrfs_look= up.[btrfs].lookup_real.path_openat.do_filp_open.do_sys_open.SyS_open.entry_= SYSCALL_64_fastpath 35516 =B1145% +1126.2% 435514 =B1170% latency_stats.max.btrfs_t= ree_read_lock.[btrfs].btrfs_read_lock_root_node.[btrfs].btrfs_search_slot.[= btrfs].btrfs_lookup_xattr.[btrfs].__btrfs_getxattr.[btrfs].btrfs_getxattr.[= btrfs].cap_inode_need_killpriv.security_inode_need_killpriv.dentry_needs_re= move_privs.file_remove_privs.btrfs_file_write_iter.[btrfs].__vfs_write 1107650 =B1130% -72.4% 305514 =B1 96% latency_stats.max.wait_on= _page_bit.__filemap_fdatawait_range.filemap_fdatawait_range.btrfs_wait_mark= ed_extents.[btrfs].btrfs_write_and_wait_transaction.[btrfs].btrfs_commit_tr= ansaction.[btrfs].btrfs_sync_file.[btrfs].vfs_fsync_range.do_fsync.SyS_fsyn= c.entry_SYSCALL_64_fastpath 199353 =B1 84% +377.4% 951697 =B1154% latency_stats.sum.btrfs_t= ree_lock.[btrfs].btrfs_lock_root_node.[btrfs].btrfs_search_slot.[btrfs].btr= fs_insert_empty_items.[btrfs].btrfs_new_inode.[btrfs].btrfs_create.[btrfs].= vfs_create.path_openat.do_filp_open.do_sys_open.SyS_open.entry_SYSCALL_64_f= astpath 62503 =B1 33% +657.0% 473167 =B1155% latency_stats.sum.btrfs_t= ree_lock.[btrfs].btrfs_lock_root_node.[btrfs].btrfs_search_slot.[btrfs].btr= fs_insert_empty_items.[btrfs].insert_with_overflow.[btrfs].btrfs_insert_dir= _item.[btrfs].btrfs_add_link.[btrfs].btrfs_create.[btrfs].vfs_create.path_o= penat.do_filp_open.do_sys_open 5568453 =B1 73% -75.9% 1342137 =B1 11% latency_stats.sum.btrfs_t= ree_lock.[btrfs].btrfs_search_slot.[btrfs].btrfs_lookup_inode.[btrfs].__btr= fs_update_delayed_inode.[btrfs].btrfs_commit_inode_delayed_items.[btrfs].bt= rfs_log_inode.[btrfs].btrfs_log_inode_parent.[btrfs].btrfs_log_dentry_safe.= [btrfs].btrfs_sync_file.[btrfs].vfs_fsync_range.do_fsync.SyS_fsync 1647770 =B1118% -99.5% 7733 =B1 11% latency_stats.sum.btrfs_t= ree_read_lock.[btrfs].btrfs_read_lock_root_node.[btrfs].btrfs_search_slot.[= btrfs].btrfs_insert_empty_items.[btrfs].copy_items.[btrfs].btrfs_log_inode.= [btrfs].btrfs_log_inode_parent.[btrfs].btrfs_log_dentry_safe.[btrfs].btrfs_= sync_file.[btrfs].vfs_fsync_range.do_fsync.SyS_fsync 4780008 =B1170% -99.2% 36367 =B1 61% latency_stats.sum.btrfs_t= ree_read_lock.[btrfs].btrfs_read_lock_root_node.[btrfs].btrfs_search_slot.[= btrfs].btrfs_lookup_dir_item.[btrfs].btrfs_lookup_dentry.[btrfs].btrfs_look= up.[btrfs].lookup_real.path_openat.do_filp_open.do_sys_open.SyS_open.entry_= SYSCALL_64_fastpath 88081 =B1118% +919.9% 898339 =B1164% latency_stats.sum.btrfs_t= ree_read_lock.[btrfs].btrfs_read_lock_root_node.[btrfs].btrfs_search_slot.[= btrfs].btrfs_lookup_xattr.[btrfs].__btrfs_getxattr.[btrfs].btrfs_getxattr.[= btrfs].cap_inode_need_killpriv.security_inode_need_killpriv.dentry_needs_re= move_privs.file_remove_privs.btrfs_file_write_iter.[btrfs].__vfs_write 20472 =B1 0% -24.3% 15507 =B1 0% proc-vmstat.allocstall 1021 =B1 34% -73.5% 271.00 =B1 26% proc-vmstat.kswapd_high_w= mark_hit_quickly 23142 =B1 2% -20.9% 18301 =B1 1% proc-vmstat.nr_dirty 2441 =B1 28% -82.8% 419.50 =B1 29% proc-vmstat.nr_vmscan_imm= ediate_reclaim 31236 =B1 1% +21.5% 37946 =B1 1% proc-vmstat.nr_writeback 8479 =B1 5% +18.8% 10075 =B1 7% proc-vmstat.numa_hint_fau= lts 8479 =B1 5% +18.8% 10075 =B1 7% proc-vmstat.numa_hint_fau= lts_local 9293 =B1 4% +18.1% 10977 =B1 6% proc-vmstat.numa_pte_upda= tes 683.50 =B1 95% -86.0% 96.00 =B1 67% proc-vmstat.pgdeactivate 1298 =B1 11% -39.7% 783.50 =B1 45% proc-vmstat.pgmigrate_suc= cess 796.75 =B1 81% -71.9% 224.25 =B1 30% proc-vmstat.pgrefill_dma 2969680 =B1 0% +110.2% 6241700 =B1 0% proc-vmstat.pgscan_direct= _dma32 9735 =B1 15% -86.3% 1332 =B1 20% proc-vmstat.pgscan_kswapd= _dma 12295232 =B1 0% -26.7% 9017741 =B1 0% proc-vmstat.pgscan_kswapd= _dma32 2893713 =B1 1% +113.0% 6162694 =B1 0% proc-vmstat.pgsteal_direc= t_dma32 12278505 =B1 0% -26.7% 9003970 =B1 0% proc-vmstat.pgsteal_kswap= d_dma32 7.00 =B1141% +225.0% 22.75 =B1 30% sched_debug.cfs_rq[0]:/.l= oad 88.75 =B1 47% +166.2% 236.25 =B1 19% sched_debug.cfs_rq[0]:/.t= g_load_avg 0.50 =B1100% +3150.0% 16.25 =B1 47% sched_debug.cfs_rq[1]:/.r= unnable_load_avg 86.25 =B1 42% +175.1% 237.25 =B1 19% sched_debug.cfs_rq[1]:/.t= g_load_avg 87.25 =B1 41% +175.4% 240.25 =B1 20% sched_debug.cfs_rq[2]:/.t= g_load_avg 22.75 =B1 35% +217.6% 72.25 =B1 44% sched_debug.cfs_rq[2]:/.u= til_avg 7.00 =B1 82% +128.6% 16.00 =B1 32% sched_debug.cfs_rq[3]:/.l= oad_avg -533786 =B1 -7% -15.0% -453453 =B1 -6% sched_debug.cfs_rq[3]:/.s= pread0 88.75 =B1 40% +169.6% 239.25 =B1 19% sched_debug.cfs_rq[3]:/.t= g_load_avg 7.00 =B1 82% +135.7% 16.50 =B1 35% sched_debug.cfs_rq[3]:/.t= g_load_avg_contrib 23.50 =B1 58% +217.0% 74.50 =B1 44% sched_debug.cfs_rq[3]:/.u= til_avg 89.00 =B1 40% +168.8% 239.25 =B1 19% sched_debug.cfs_rq[4]:/.t= g_load_avg 89.50 =B1 39% +169.6% 241.25 =B1 18% sched_debug.cfs_rq[5]:/.t= g_load_avg 28.75 =B1 90% +173.0% 78.50 =B1 61% sched_debug.cfs_rq[5]:/.u= til_avg 5799 =B1 5% +14.2% 6619 =B1 2% sched_debug.cfs_rq[6]:/.e= xec_clock 90.50 =B1 39% +167.7% 242.25 =B1 19% sched_debug.cfs_rq[6]:/.t= g_load_avg 13.00 =B1105% +142.3% 31.50 =B1 60% sched_debug.cfs_rq[7]:/.l= oad_avg 93.00 =B1 40% +162.4% 244.00 =B1 19% sched_debug.cfs_rq[7]:/.t= g_load_avg 13.00 =B1105% +165.4% 34.50 =B1 64% sched_debug.cfs_rq[7]:/.t= g_load_avg_contrib 0.75 =B1110% +733.3% 6.25 =B1 60% sched_debug.cpu#0.cpu_loa= d[3] 0.75 =B1110% +1033.3% 8.50 =B1 45% sched_debug.cpu#0.cpu_loa= d[4] 34.33 =B1141% +759.2% 295.00 =B1 42% sched_debug.cpu#0.curr->p= id 5.75 =B1153% +791.3% 51.25 =B1 83% sched_debug.cpu#0.load -821.75 =B1 -3% -13.2% -713.25 =B1 -2% sched_debug.cpu#0.nr_unin= terruptible 1.00 =B1100% +750.0% 8.50 =B1 48% sched_debug.cpu#1.cpu_loa= d[1] 1.75 =B1 84% +400.0% 8.75 =B1 48% sched_debug.cpu#1.cpu_loa= d[2] 30329 =B1 51% -46.2% 16309 =B1 5% sched_debug.cpu#2.nr_load= _updates 4.00 =B1 98% +918.8% 40.75 =B1 69% sched_debug.cpu#6.cpu_loa= d[0] 2.25 =B1 85% +1400.0% 33.75 =B1 85% sched_debug.cpu#6.cpu_loa= d[1] 1.75 =B1 84% +1557.1% 29.00 =B1 90% sched_debug.cpu#6.cpu_loa= d[2] 1.25 =B1 87% +1960.0% 25.75 =B1 93% sched_debug.cpu#6.cpu_loa= d[3] 149.50 =B1 20% -29.3% 105.75 =B1 15% sched_debug.cpu#6.nr_unin= terruptible 36817 =B1 8% +4975.8% 1868779 =B1169% sched_debug.cpu#7.nr_swit= ches 37382 =B1 9% +4900.3% 1869233 =B1169% sched_debug.cpu#7.sched_c= ount 16197 =B1 9% +5605.7% 924151 =B1169% sched_debug.cpu#7.sched_g= oidle 0.49 =B1 2% +1020.2% 5.53 =B1103% sched_debug.rt_rq[0]:/.rt= _time nhm4: Nehalem Memory: 4G fsmark.time.system_time 100 ++-------------------------------------------------------------------= -+ | O = | 98 O+ O O O O O O = | | O O O O O O O = | 96 ++ O O O O = | | = | 94 ++ = | | = | 92 ++ = | | .*. .*.*.. .*.. = | 90 ++ .*.*. *. *.*..* * = | *..*.*..*. .*. .*. + .*.*..*.*..*.*..*= .* 88 ++ *. *..* *. = | | = | 86 ++-------------------------------------------------------------------= -+ [*] bisect-good sample [O] bisect-bad sample To reproduce: git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tes= ts.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 provid= ed for informational purposes only. Any difference in system hardware or softw= are design or configuration may affect actual performance. Thanks, Ying Huang --=-=-= Content-Type: text/plain; charset=ascii Content-Disposition: attachment; filename=job.yaml --- LKP_SERVER: inn LKP_CGI_PORT: 80 LKP_CIFS_PORT: 139 testcase: fsmark default-monitors: wait: activate-monitor kmsg: uptime: iostat: 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: 0293645856ec527639b5902f021fa5aeba93e305 model: Nehalem nr_cpu: 8 memory: 4G hdd_partitions: "/dev/disk/by-id/ata-WDC_WD1003FBYZ-010FB0_WD-WCAW36812041-part1" swap_partitions: "/dev/disk/by-id/ata-WDC_WD1003FBYZ-010FB0_WD-WCAW36812041-part2" rootfs_partition: "/dev/disk/by-id/ata-WDC_WD1003FBYZ-010FB0_WD-WCAW36812041-part3" netconsole_port: 6649 category: benchmark iterations: 1x nr_threads: 32t disk: 1HDD fs: btrfs fs2: fsmark: filesize: 16MB test_size: 60G sync_method: fsyncBeforeClose nr_directories: 16d nr_files_per_directory: 256fpd queue: cyclic testbox: nhm4 tbox_group: nhm4 kconfig: x86_64-rhel enqueue_time: 2015-09-28 12:38:00.849493513 +08:00 id: 4a38a4ae1915fa1269a4ae8d24ddb1aa2fcbddcc user: lkp compiler: gcc-4.9 head_commit: 0293645856ec527639b5902f021fa5aeba93e305 base_commit: 9ffecb10283508260936b96022d4ee43a7798b4c branch: linux-next/master kernel: "/pkg/linux/x86_64-rhel/gcc-4.9/0293645856ec527639b5902f021fa5aeba93e305/vmlinuz-4.3.0-rc3-next-20150929" rootfs: debian-x86_64-2015-02-07.cgz result_root: "/result/fsmark/performance-1x-32t-1HDD-btrfs-16MB-60G-fsyncBeforeClose-16d-256fpd/nhm4/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/0293645856ec527639b5902f021fa5aeba93e305/0" job_file: "/lkp/scheduled/nhm4/cyclic_fsmark-performance-1x-32t-1HDD-btrfs-16MB-60G-fsyncBeforeClose-16d-256fpd-x86_64-rhel-CYCLIC_HEAD-0293645856ec527639b5902f021fa5aeba93e305-20150928-126591-ryfw91-0.yaml" dequeue_time: 2015-09-30 09:55:25.788034495 +08:00 max_uptime: 1670.2800000000002 initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz" bootloader_append: - root=/dev/ram0 - user=lkp - job=/lkp/scheduled/nhm4/cyclic_fsmark-performance-1x-32t-1HDD-btrfs-16MB-60G-fsyncBeforeClose-16d-256fpd-x86_64-rhel-CYCLIC_HEAD-0293645856ec527639b5902f021fa5aeba93e305-20150928-126591-ryfw91-0.yaml - ARCH=x86_64 - kconfig=x86_64-rhel - branch=linux-next/master - commit=0293645856ec527639b5902f021fa5aeba93e305 - BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/0293645856ec527639b5902f021fa5aeba93e305/vmlinuz-4.3.0-rc3-next-20150929 - max_uptime=1670 - RESULT_ROOT=/result/fsmark/performance-1x-32t-1HDD-btrfs-16MB-60G-fsyncBeforeClose-16d-256fpd/nhm4/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/0293645856ec527639b5902f021fa5aeba93e305/0 - LKP_SERVER=inn - |- libata.force=1.5Gbps 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-4.9/0293645856ec527639b5902f021fa5aeba93e305/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" job_state: finished loadavg: 27.79 25.76 13.60 1/183 7493 start_time: '1443578151' end_time: '1443578667' version: "/lkp/lkp/.src-20150930-095509" --=-=-= Content-Type: text/plain; charset=ascii Content-Disposition: attachment; filename=reproduce 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 echo performance > /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu5/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu6/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu7/cpufreq/scaling_governor mkfs -t btrfs /dev/sdb1 mount -t btrfs /dev/sdb1 /fs/sdb1 ./fs_mark -d /fs/sdb1/1 -d /fs/sdb1/2 -d /fs/sdb1/3 -d /fs/sdb1/4 -d /fs/sdb1/5 -d /fs/sdb1/6 -d /fs/sdb1/7 -d /fs/sdb1/8 -d /fs/sdb1/9 -d /fs/sdb1/10 -d /fs/sdb1/11 -d /fs/sdb1/12 -d /fs/sdb1/13 -d /fs/sdb1/14 -d /fs/sdb1/15 -d /fs/sdb1/16 -d /fs/sdb1/17 -d /fs/sdb1/18 -d /fs/sdb1/19 -d /fs/sdb1/20 -d /fs/sdb1/21 -d /fs/sdb1/22 -d /fs/sdb1/23 -d /fs/sdb1/24 -d /fs/sdb1/25 -d /fs/sdb1/26 -d /fs/sdb1/27 -d /fs/sdb1/28 -d /fs/sdb1/29 -d /fs/sdb1/30 -d /fs/sdb1/31 -d /fs/sdb1/32 -D 16 -N 256 -n 120 -L 1 -S 1 -s 16777216 --=-=-=--