Messages in this thread | | | Subject | [LKP] [ftrace] fef5aeeee9e: -27.2% boot-slabinfo.num_objs | From | Huang Ying <> | Date | Tue, 23 Dec 2014 11:10:17 +0800 |
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FYI, we noticed the below changes on
commit fef5aeeee9e3717e7aea991a7ae9ff6a7a2d4c85 ("ftrace: Replace tramp_hash with old_*_hash to save space")
testbox/testcase/testparams: vm-kbuild-4G/boot/1
e1effa0144a1ddf5 fef5aeeee9e3717e7aea991a7a ---------------- -------------------------- %stddev %change %stddev \ | \ 437752 ± 0% -27.2% 318545 ± 0% boot-slabinfo.num_objs
vm-kbuild-4G: qemu-system-x86_64 -enable-kvm Memory: 4G
boot-slabinfo.num_objs
440000 *+*--*-*-*------*----*-*-*--*--------*-*--*-*-*--*-----------------+ | *.* *. *.*..* | 420000 ++ | | | 400000 ++ | | | 380000 ++ | | | 360000 ++ | | | 340000 ++ | | | 320000 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 | O O O | 300000 ++-----------------------------------------------------------------+
[*] bisect-good sample [O] bisect-bad sample
To reproduce:
apt-get install ruby ruby-oj 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, Huang, Ying
--- testcase: boot default_monitors: boottime: kernel-size: default_watchdogs: watch-oom: watchdog: cpufreq_governor: model: qemu-system-x86_64 -enable-kvm nr_vm: 8 nr_cpu: 4 memory: 4G rootfs: debian-x86_64.cgz hdd_partitions: "/dev/vda /dev/vdb /dev/vdc /dev/vdd" swap_partitions: "/dev/vde" boot-meminfo: boot-slabinfo: boot-memory: memmap: bootmem: sleep: 1 branch: linus/master commit: b2776bf7149bddd1f4161f14f79520f17fc1d71d testbox: vm-kbuild-4G-1 tbox_group: vm-kbuild-4G kconfig: x86_64-allyesdebian enqueue_time: 2014-12-15 07:00:22.267392531 +08:00 kernel: "/kernel/x86_64-allyesdebian/b2776bf7149bddd1f4161f14f79520f17fc1d71d/vmlinuz-3.18.0" user: lkp queue: rand result_root: "/result/vm-kbuild-4G/boot/1/debian-x86_64.cgz/x86_64-allyesdebian/b2776bf7149bddd1f4161f14f79520f17fc1d71d/0" job_file: "/lkp/scheduled/vm-kbuild-4G-1/rand_boot-1-debian-x86_64.cgz-x86_64-allyesdebian-b2776bf7149bddd1f4161f14f79520f17fc1d71d-0.yaml" dequeue_time: 2014-12-15 07:01:52.000092900 +08:00 job_state: finished loadavg: 2.54 1.47 0.58 2/196 5734 start_time: '1418598302' end_time: '1418598303' version: "/lkp/lkp/.src-20141214-133531" _______________________________________________ LKP mailing list LKP@linux.intel.com
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