[lkp] [mm] efe186b040: No primary change, phoronix-test-suite.time.involuntary_context_switches +442.2%
From: kernel test robot
Date: Tue Apr 05 2016 - 04:51:30 EST
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