Messages in this thread | | | Date | Tue, 5 Apr 2016 16:50:37 +0800 | From | kernel test robot <> | Subject | [lkp] [mm] efe186b040: No primary change, phoronix-test-suite.time.involuntary_context_switches +442.2% |
| |
FYI, we noticed that phoronix-test-suite.time.involuntary_context_switches +442.2% change on
https://github.com/0day-ci/linux Kent-Overstreet/mm-Refactor-find_get_pages-friends/20160401-104010 commit efe186b040db472412151e66616efef8d2b5dfd7 ("mm: Real pagecache iterators")
========================================================================================= compiler/kconfig/rootfs/tbox_group/test/testcase: gcc-4.9/x86_64-rhel/debian-full-x86_64/lkp-ne02/postmark-1.1.0/phoronix-test-suite
commit: 8bc43c95e70464f4621317a59e405d901f00d13b efe186b040db472412151e66616efef8d2b5dfd7
8bc43c95e70464f4 efe186b040db472412151e6661 ---------------- -------------------------- fail:runs %reproduction fail:runs | | | %stddev %change %stddev \ | \ 170373 ± 1% +442.2% 923755 ± 0% phoronix-test-suite.time.involuntary_context_switches 24546 ± 0% -0.9% 24320 ± 0% phoronix-test-suite.time.maximum_resident_set_size 6933914 ± 1% -2.3% 6775202 ± 0% phoronix-test-suite.time.voluntary_context_switches 170373 ± 1% +442.2% 923755 ± 0% time.involuntary_context_switches
lkp-ne02: Nehalem-EP Memory: 4G
phoronix-test-suite.time.involuntary_context_switches
1.4e+06 ++----------------------------------------------------------------+ | | 1.2e+06 ++ O | | | 1e+06 ++ | | OO OO O O O O OO O O | 800000 O+ O O O | | | 600000 ++ | | | 400000 ++ | | | 200000 *+ **.** **.* * * **.** *.* * *.**.* *.**.**.**.* *.* **.** |:+ + : : :+ :+ : + : ::+ : :: :: :+ | 0 +O-O---O-*----*-*O-*--*O-----O---*--*------*------------*---*-----+
time.involuntary_context_switches
1.4e+06 ++----------------------------------------------------------------+ | | 1.2e+06 ++ O | | | 1e+06 ++ | | OO OO O O O O OO O O | 800000 O+ O O O | | | 600000 ++ | | | 400000 ++ | | | 200000 *+ **.** **.* * * **.** *.* * *.**.* *.**.**.**.* *.* **.** |:+ + : : :+ :+ : + : ::+ : :: :: :+ | 0 +O-O---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 default-watchdogs: oom-killer: watchdog: commit: efe186b040db472412151e66616efef8d2b5dfd7 model: Nehalem-EP memory: 4G nr_hdd_partitions: 12 hdd_partitions: "/dev/disk/by-id/scsi-35000c5000*-part1" swap_partitions: "/dev/disk/by-id/ata-HDT722516DLA380_VDSD1DTCEMUZLJ-part2" testcase: phoronix-test-suite rootfs: inn:/export/debian-full-x86_64 phoronix-test-suite: test: postmark-1.1.0 queue: bisect testbox: lkp-ne02 tbox_group: lkp-ne02 kconfig: x86_64-rhel enqueue_time: 2016-04-03 01:32:34.282948902 +08:00 compiler: gcc-4.9 id: 65959529b032e664058b816847898ca064d39d93 user: lkp head_commit: ac6fcbf2abe3460c91f9b5a8d0cf4ad4ee1acaca base_commit: f55532a0c0b8bb6148f4e07853b876ef73bc69ca branch: linux-devel/devel-hourly-2016040201 result_root: "/result/phoronix-test-suite/postmark-1.1.0/lkp-ne02/debian-full-x86_64/x86_64-rhel/gcc-4.9/efe186b040db472412151e66616efef8d2b5dfd7/0" job_file: "/lkp/scheduled/lkp-ne02/bisect_phoronix-test-suite-postmark-1.1.0-debian-full-x86_64-x86_64-rhel-efe186b040db472412151e66616efef8d2b5dfd7-20160403-65036-1xiz3yl-0.yaml" nr_cpu: "$(nproc)" max_uptime: 3600 initrd: "/osimage/initramfs/initramfs.cgz" bootloader_append: - root=/dev/ram0 - boot=nfs - nfsroot=inn:/export/debian-full-x86_64 - user=lkp - job=/lkp/scheduled/lkp-ne02/bisect_phoronix-test-suite-postmark-1.1.0-debian-full-x86_64-x86_64-rhel-efe186b040db472412151e66616efef8d2b5dfd7-20160403-65036-1xiz3yl-0.yaml - ARCH=x86_64 - kconfig=x86_64-rhel - branch=linux-devel/devel-hourly-2016040201 - commit=efe186b040db472412151e66616efef8d2b5dfd7 - BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/efe186b040db472412151e66616efef8d2b5dfd7/vmlinuz-4.5.0-11284-gefe186b - max_uptime=3600 - RESULT_ROOT=/result/phoronix-test-suite/postmark-1.1.0/lkp-ne02/debian-full-x86_64/x86_64-rhel/gcc-4.9/efe186b040db472412151e66616efef8d2b5dfd7/0 - 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/efe186b040db472412151e66616efef8d2b5dfd7/modules.cgz" linux_headers_initrd: "/pkg/linux/x86_64-rhel/gcc-4.9/efe186b040db472412151e66616efef8d2b5dfd7/linux-headers.cgz" repeat_to: 2 kernel: "/pkg/linux/x86_64-rhel/gcc-4.9/efe186b040db472412151e66616efef8d2b5dfd7/vmlinuz-4.5.0-11284-gefe186b" dequeue_time: 2016-04-03 01:36:31.915409456 +08:00 job_state: finished loadavg: 0.99 1.05 1.01 1/275 2955 start_time: '1459618692' end_time: '1459621154' version: "/lkp/lkp/.src-20160401-231508" 2016-04-03 01:38:12 phoronix-test-suite default-run postmark-1.1.0
| |