Messages in this thread | | | Date | Thu, 30 Apr 2015 12:07:34 +0800 | From | Yuanhan Liu <> | Subject | [LKP] [block] 5a19fe29ba7: +5.4% boot-slabinfo.num_objs |
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FYI, we noticed the below changes on
git://git.kernel.org/pub/scm/linux/kernel/git/mlin/linux.git block-generic-req commit 5a19fe29ba7d052c0d8fa8a2bf461abc1e4d89bb ("block: make generic_make_request handle arbitrarily sized bios")
testbox/testcase/testparams: vm-kbuild-1G/boot/1
v4.1-rc1 5a19fe29ba7d052c0d8fa8a2bf ---------------- -------------------------- %stddev %change %stddev \ | \ 152092 ± 0% +5.4% 160249 ± 0% boot-slabinfo.num_objs 10106 ± 0% +21.6% 12293 ± 0% boot-slabinfo.num_pages 8.30 ± 21% -33.9% 5.48 ± 1% boot-time.boot 7.44 ± 23% -34.9% 4.84 ± 1% boot-time.dhcp 10.01 ± 17% -27.0% 7.31 ± 1% boot-time.idle 35507 ± 2% +17.9% 41856 ± 10% boot-meminfo.DirectMap4k 1558 ± 8% +276.5% 5868 ± 1% boot-meminfo.KernelStack 480717 ± 0% -2.8% 467414 ± 0% boot-meminfo.MemFree 11462 ± 1% +70.0% 19488 ± 0% boot-meminfo.SUnreclaim 40390 ± 0% +21.7% 49146 ± 0% boot-meminfo.Slab
vm-kbuild-1G: qemu-system-x86_64 -enable-kvm -cpu Haswell,+smep,+smap Memory: 1G
boot-slabinfo.num_objs
162000 ++-----------------------------------------------------------------+ | O O O O 160000 O+ O O O O O O O | | O O O O O O O O O O | | O O O O | 158000 ++ | | O | 156000 ++ | | | 154000 ++ | | | | *. .*.*.. *..*.*.. | 152000 ++. *. *. .. * | * * | 150000 ++-----------------------------------------------------------------+
boot-slabinfo.num_pages
12500 ++------------------------------------------------------------------+ O O O O O O O O O O O O O O O O O O O O O O O O O | O O | 12000 ++ | | | | | 11500 ++ | | | 11000 ++ | | | | | 10500 ++ | | | | .*..*. .*..*.*..*..*.* | 10000 *+-*------*---------------------------------------------------------+
boot-meminfo.MemFree
484000 ++-----------------------------------------------------------------+ 482000 ++ * | | .*.*.. .*..* : + *.. | 480000 *+ * : : + + | 478000 ++ : : * * | | * | 476000 ++ | 474000 ++ | 472000 ++ | | | 470000 ++ O O O O O O | 468000 ++ O O O O O O O O O O O | | O O O O O O | 466000 O+ O O O 464000 ++-----------------------------------------------------------------+
boot-meminfo.Slab
50000 ++------------------------------------------------------------------+ 49000 O+ O O O O O O O O O O O O O O O O O O O O O O O | O O O | 48000 ++ | 47000 ++ | | | 46000 ++ | 45000 ++ | 44000 ++ | | | 43000 ++ | 42000 ++ | | | 41000 ++.*.*..*. .*..*. .*..*.* | 40000 *+--------*-------*-------------------------------------------------+
boot-meminfo.SUnreclaim
20000 ++----------------------O----O---------O----------O--------------O--+ O O O O O O O O O O O O O O O O O O O O O O 19000 ++ | 18000 ++ | | | 17000 ++ | 16000 ++ | | | 15000 ++ | 14000 ++ | | | 13000 ++ | 12000 ++ | *..*.*..*.*..*..*.*..*..*.* | 11000 ++------------------------------------------------------------------+
boot-meminfo.KernelStack
6000 O+------O--O-O-----O----O--O-O-----O-O--O----O--O-O--O--O-O--O--O----O 5500 ++ O O O O O O O | | | 5000 ++ | 4500 ++ | | | 4000 ++ | 3500 ++ | 3000 ++ | | | 2500 ++ | 2000 ++ | | .*. .*..*.*..*..*. .*..* | 1500 *+ *. *. | 1000 ++-------------------------------------------------------------------+
[*] 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, lkp --- testcase: boot default-monitors: default-watchdogs: watch-oom: watchdog: cpufreq_governor: model: qemu-system-x86_64 -enable-kvm -cpu Haswell,+smep,+smap nr_vm: 16 nr_cpu: 2 memory: 1G disk_type: virtio-scsi rootfs: debian-x86_64-2015-02-07.cgz hdd_partitions: "/dev/sda /dev/sdb /dev/sdc /dev/sdd" swap_partitions: "/dev/sde" boot-slabinfo: boot-meminfo: memmap: boot-memory: boot-time: kernel-size: timeout: 10m sleep: 1 branch: linux-devel/devel-hourly-2015042901 commit: 01060bfb79987cf1b7b2012c5bfbc3ae6d7a7e78 repeat_to: 2 testbox: vm-kbuild-1G-2 tbox_group: vm-kbuild-1G kconfig: x86_64-rhel enqueue_time: 2015-04-29 09:56:13.726649845 +08:00 kernel: "/kernel/x86_64-rhel/01060bfb79987cf1b7b2012c5bfbc3ae6d7a7e78/vmlinuz-4.1.0-rc1-01009-g01060bf" user: lkp queue: boot result_root: "/result/vm-kbuild-1G/boot/1/debian-x86_64-2015-02-07.cgz/x86_64-rhel/01060bfb79987cf1b7b2012c5bfbc3ae6d7a7e78/0" LKP_SERVER: inn job_file: "/lkp/scheduled/vm-kbuild-1G-2/boot_boot-1-debian-x86_64.cgz-x86_64-rhel-01060bfb79987cf1b7b2012c5bfbc3ae6d7a7e78-1-20150429-10021-1gr1afy.yaml" dequeue_time: 2015-04-29 09:57:54.469064783 +08:00 initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz" bootloader_append: - root=/dev/ram0 - user=lkp - job=/lkp/scheduled/vm-kbuild-1G-2/boot_boot-1-debian-x86_64.cgz-x86_64-rhel-01060bfb79987cf1b7b2012c5bfbc3ae6d7a7e78-1-20150429-10021-1gr1afy.yaml - ARCH=x86_64 - kconfig=x86_64-rhel - branch=linux-devel/devel-hourly-2015042901 - commit=01060bfb79987cf1b7b2012c5bfbc3ae6d7a7e78 - BOOT_IMAGE=/kernel/x86_64-rhel/01060bfb79987cf1b7b2012c5bfbc3ae6d7a7e78/vmlinuz-4.1.0-rc1-01009-g01060bf - RESULT_ROOT=/result/vm-kbuild-1G/boot/1/debian-x86_64-2015-02-07.cgz/x86_64-rhel/01060bfb79987cf1b7b2012c5bfbc3ae6d7a7e78/0 - LKP_SERVER=inn - |2-
earlyprintk=ttyS0,115200 rd.udev.log-priority=err systemd.log_target=journal systemd.log_level=warning 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 max_uptime: 600 lkp_initrd: "/lkp/lkp/lkp-x86_64.cgz" modules_initrd: "/kernel/x86_64-rhel/01060bfb79987cf1b7b2012c5bfbc3ae6d7a7e78/modules.cgz" bm_initrd: "/osimage/deps/debian-x86_64-2015-02-07.cgz/lkp.cgz" job_state: finished loadavg: 0.05 0.01 0.01 1/355 721 start_time: '1430272709' end_time: '1430272710' version: "/lkp/lkp/.src-20150429-092245" _______________________________________________ LKP mailing list LKP@linux.intel.com
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