Please ignore this report, we just found that it was tested on a virtual machine, its result is not so reliable. Sorry for that.
On Thu, Apr 07, 2016 at 09:12:45AM +0800, kernel test robot wrote: >FYI, we noticed that xfstests.time.file_system_outputs -6.0% improvement on > >https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master >commit ad68972acb82c3e8bba316d542ab204984cb1f1c ("xfs: xfs_cluster_write is >redundant") > > >========================================================================================= >compiler/disk/fs/kconfig/rootfs/tbox_group/test/testcase: > > gcc-4.9/4HDD/xfs/x86_64-rhel/debian-x86_64-2015-02-07.cgz/vm-kbuild-4G/generic-127/xfstests > >commit: > fbcc025613590d7b1d15521555dcc6393a148a6b > ad68972acb82c3e8bba316d542ab204984cb1f1c > >fbcc025613590d7b ad68972acb82c3e8bba316d542 >---------------- -------------------------- > %stddev %change %stddev > \ | \ > 8055643 ± 0% -6.0% 7568459 ± 0% xfstests.time.file_system_outputs > 11.74 ± 2% +28.9% 15.13 ± 21% xfstests.time.user_time > 11.74 ± 2% +28.9% 15.13 ± 21% time.user_time > > >vm-kbuild-4G: qemu-system-x86_64 -enable-kvm -cpu qemu64,+ssse3 >Memory: 4G > > > > xfstests.time.file_system_outputs > > 9e+06 ++------------------------------------------------------------------+ > *.*.*.*.*.*.*.*.*.*.*.* *.*.*.*.*.*.*.*.*.*.*.*.* *.*.*.*.*.*.*.* > 8e+06 O+O O O O O O O O O O O O O O O O O O O O O O : | > 7e+06 ++ : : : : | > | : : : : | > 6e+06 ++ : : : : | > 5e+06 ++ : : : : | > | : : : : | > 4e+06 ++ : : : : | > 3e+06 ++ : : : : | > | : : : : | > 2e+06 ++ : : | > 1e+06 ++ : : | > | : : | > 0 ++--O-O-O-O-------------*---------------------------*---------------+ > > > > [*] 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: xfstests >default-monitors: > wait: activate-monitor > kmsg: > heartbeat: > interval: 10 >default-watchdogs: > oom-killer: > watchdog: >cpufreq_governor: >model: qemu-system-x86_64 -enable-kvm -cpu qemu64,+ssse3 >nr_vm: 6 >nr_cpu: 4 >memory: 4G >rootfs: debian-x86_64-2015-02-07.cgz >hdd_partitions: "/dev/vda /dev/vdb /dev/vdc /dev/vdd /dev/vde /dev/vdf" >swap_partitions: "/dev/vdg" >ssh_base_port: 23032 >category: functional >disk: 4HDD >fs: xfs >xfstests: > test: generic-127 >branch: scsi/misc >commit: ad68972acb82c3e8bba316d542ab204984cb1f1c >queue: bisect >repeat_to: 2 >testbox: vm-kbuild-4G-3 >tbox_group: vm-kbuild-4G >kconfig: x86_64-rhel >enqueue_time: 2016-04-02 17:18:10.328935599 +08:00 >compiler: gcc-4.9 >id: 12de6ecf92d02c668f45f8c0c55ae8b553c74100 >user: lkp >head_commit: 00e8a46b50f800991e89446fb98dcad5f72e786f >base_commit: f55532a0c0b8bb6148f4e07853b876ef73bc69ca >result_root: >"/result/xfstests/4HDD-xfs-generic-127/vm-kbuild-4G/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/ad68972acb82c3e8bba316d542ab204984cb1f1c/0" >job_file: >"/lkp/scheduled/vm-kbuild-4G-3/bisect_xfstests-4HDD-xfs-generic-127-debian-x86_64-2015-02-07.cgz-x86_64-rhel-ad68972acb82c3e8bba316d542ab204984cb1f1c-20160402-87765-161tnhy-0.yaml" >max_uptime: 3600 >initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz" >bootloader_append: >- root=/dev/ram0 >- user=lkp >- >job=/lkp/scheduled/vm-kbuild-4G-3/bisect_xfstests-4HDD-xfs-generic-127-debian-x86_64-2015-02-07.cgz-x86_64-rhel-ad68972acb82c3e8bba316d542ab204984cb1f1c-20160402-87765-161tnhy-0.yaml >- ARCH=x86_64 >- kconfig=x86_64-rhel >- branch=scsi/misc >- commit=ad68972acb82c3e8bba316d542ab204984cb1f1c >- >BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/ad68972acb82c3e8bba316d542ab204984cb1f1c/vmlinuz-4.5.0-rc2-00004-gad68972 >- max_uptime=3600 >- >RESULT_ROOT=/result/xfstests/4HDD-xfs-generic-127/vm-kbuild-4G/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/ad68972acb82c3e8bba316d542ab204984cb1f1c/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/ad68972acb82c3e8bba316d542ab204984cb1f1c/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/fs.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/xfstests.cgz,/lkp/benchmarks/xfstests.cgz" >linux_headers_initrd: >"/pkg/linux/x86_64-rhel/gcc-4.9/ad68972acb82c3e8bba316d542ab204984cb1f1c/linux-headers.cgz" >kernel: >"/pkg/linux/x86_64-rhel/gcc-4.9/ad68972acb82c3e8bba316d542ab204984cb1f1c/vmlinuz-4.5.0-rc2-00004-gad68972" >dequeue_time: 2016-04-02 17:22:24.997334668 +08:00 >job_state: finished >loadavg: 0.92 0.99 0.93 1/116 2273 >start_time: '1459588990' >end_time: '1459591516' >version: "/lkp/lkp/.src-20160401-231508" >2016-04-02 17:23:01 mkfs -t xfs /dev/vdb >2016-04-02 17:23:01 mkfs -t xfs /dev/vda >2016-04-02 17:23:01 mkfs -t xfs /dev/vdc >2016-04-02 17:23:01 mkfs -t xfs /dev/vdd >2016-04-02 17:23:09 mount -t xfs -o nobarrier,inode64 /dev/vda /fs/vda >2016-04-02 17:23:09 mount -t xfs -o nobarrier,inode64 /dev/vdb /fs/vdb >2016-04-02 17:23:09 mount -t xfs -o nobarrier,inode64 /dev/vdc /fs/vdc >2016-04-02 17:23:09 mount -t xfs -o nobarrier,inode64 /dev/vdd /fs/vdd >2016-04-02 17:23:10 export TEST_DIR=/fs/vda >2016-04-02 17:23:10 export TEST_DEV=/dev/vda >2016-04-02 17:23:10 export FSTYP=xfs >2016-04-02 17:23:10 export SCRATCH_MNT=/fs/scratch >2016-04-02 17:23:10 mkdir /fs/scratch -p >2016-04-02 17:23:10 export SCRATCH_DEV=/dev/vdd >2016-04-02 17:23:10 export SCRATCH_LOGDEV=/dev/vdb >2016-04-02 17:23:10 ./check generic/127
