From: kernel test robot <ying.huang@linux.intel.com>
To: lkp@lists.01.org
Subject: [rcu] b8084f70e0: No primary result change, 1414.7% unixbench.time.involuntary_context_switches
Date: Wed, 06 Jan 2016 10:47:43 +0800 [thread overview]
Message-ID: <878u43fmpc.fsf@yhuang-dev.intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 8804 bytes --]
FYI, we noticed the below changes on
https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git for-kbuild-bot/current-stable
commit b8084f70e028697b342d6388b244d6171717fc54 ("rcu: Eliminate softirq processing from rcutree")
=========================================================================================
compiler/cpufreq_governor/kconfig/nr_task/rootfs/tbox_group/test/testcase:
gcc-4.9/performance/x86_64-rhel/1/debian-x86_64-2015-02-07.cgz/lkp-ivb-d02/fsbuffer/unixbench
commit:
ee644236a506642e20637f954d286f49a76ed83a
b8084f70e028697b342d6388b244d6171717fc54
ee644236a506642e b8084f70e028697b342d6388b2
---------------- --------------------------
%stddev %change %stddev
\ | \
257.25 ± 18% +1414.7% 3896 ± 13% unixbench.time.involuntary_context_switches
4425148 ± 22% -61.9% 1684712 ± 29% cpuidle.C1E-IVB.time
83.75 ± 48% +91.6% 160.50 ± 31% cpuidle.POLL.usage
1902 ± 7% -12.0% 1674 ± 1% slabinfo.anon_vma.active_objs
1902 ± 7% -12.0% 1674 ± 1% slabinfo.anon_vma.num_objs
257.25 ± 18% +1414.7% 3896 ± 13% time.involuntary_context_switches
8.15 ± 6% -14.1% 7.00 ± 1% time.user_time
34345 ± 14% -33.3% 22908 ± 33% sched_debug.cfs_rq:/.exec_clock.2
34987 ± 13% -19.7% 28093 ± 15% sched_debug.cfs_rq:/.exec_clock.max
642.75 ± 5% +59.6% 1025 ± 55% sched_debug.cfs_rq:/.exec_clock.min
14639 ± 13% -21.8% 11443 ± 16% sched_debug.cfs_rq:/.exec_clock.stddev
127.75 ± 16% -26.2% 94.25 ± 25% sched_debug.cfs_rq:/.load_avg.3
38865 ± 12% -36.0% 24885 ± 34% sched_debug.cfs_rq:/.min_vruntime.2
39385 ± 12% -22.8% 30395 ± 16% sched_debug.cfs_rq:/.min_vruntime.max
1090 ± 11% +45.3% 1584 ± 32% sched_debug.cfs_rq:/.min_vruntime.min
16286 ± 13% -25.1% 12200 ± 18% sched_debug.cfs_rq:/.min_vruntime.stddev
2.00 ± 0% -50.0% 1.00 ± 0% sched_debug.cfs_rq:/.nr_spread_over.0
2.00 ± 0% -50.0% 1.00 ± 0% sched_debug.cfs_rq:/.nr_spread_over.max
0.87 ± 0% -42.3% 0.50 ± 0% sched_debug.cfs_rq:/.nr_spread_over.stddev
28.50 ± 62% +338.6% 125.00 ±114% sched_debug.cfs_rq:/.runnable_load_avg.1
16286 ± 13% -25.1% 12200 ± 18% sched_debug.cfs_rq:/.spread0.stddev
127.75 ± 16% -26.0% 94.50 ± 25% sched_debug.cfs_rq:/.tg_load_avg_contrib.3
626662 ± 5% -13.2% 544121 ± 9% sched_debug.cpu.avg_idle.0
20.25 ± 28% +419.8% 105.25 ±132% sched_debug.cpu.cpu_load[3].1
692.40 ± 7% -15.2% 586.96 ± 9% sched_debug.cpu.curr->pid.avg
36187 ± 12% -31.5% 24793 ± 29% sched_debug.cpu.nr_load_updates.2
15625 ± 11% +61.6% 25245 ± 23% sched_debug.cpu.nr_switches.0
20008 ± 4% +14.1% 22828 ± 4% sched_debug.cpu.nr_switches.avg
23333 ± 8% +40.9% 32872 ± 18% sched_debug.cpu.sched_count.0
21974 ± 4% +12.7% 24771 ± 4% sched_debug.cpu.sched_count.avg
31771 ± 9% +22.6% 38942 ± 5% sched_debug.cpu.sched_count.max
9514 ± 28% +75.8% 16728 ± 7% sched_debug.cpu.ttwu_count.0
4323 ± 10% +40.6% 6080 ± 30% sched_debug.cpu.ttwu_count.2
10068 ± 4% +15.6% 11639 ± 4% sched_debug.cpu.ttwu_count.avg
4101 ± 10% +21.7% 4990 ± 8% sched_debug.cpu.ttwu_count.min
3676 ± 21% +102.5% 7443 ± 8% sched_debug.cpu.ttwu_local.0
2014 ± 15% +43.2% 2884 ± 10% sched_debug.cpu.ttwu_local.2
3508 ± 1% +24.8% 4377 ± 4% sched_debug.cpu.ttwu_local.avg
5554 ± 19% +34.0% 7444 ± 8% sched_debug.cpu.ttwu_local.max
1846 ± 16% +40.2% 2588 ± 6% sched_debug.cpu.ttwu_local.min
=========================================================================================
compiler/cpufreq_governor/kconfig/nr_task/rootfs/tbox_group/test/testcase:
gcc-4.9/performance/x86_64-rhel/1/debian-x86_64-2015-02-07.cgz/lkp-ivb-d02/fsdisk/unixbench
commit:
ee644236a506642e20637f954d286f49a76ed83a
b8084f70e028697b342d6388b244d6171717fc54
ee644236a506642e b8084f70e028697b342d6388b2
---------------- --------------------------
fail:runs %reproduction fail:runs
| | |
:4 25% 1:4 kmsg.DHCP/BOOTP:Reply_not_for_us,op[#]xid[#]
%stddev %change %stddev
\ | \
265.75 ± 18% +1313.4% 3756 ± 9% unixbench.time.involuntary_context_switches
659.50 ± 6% +16.5% 768.00 ± 7% slabinfo.kmalloc-512.num_objs
265.75 ± 18% +1313.4% 3756 ± 9% time.involuntary_context_switches
5911312 ± 13% -55.9% 2606719 ± 10% cpuidle.C1E-IVB.time
95195 ±172% +815.7% 871684 ±140% cpuidle.POLL.time
51.75 ± 10% -30.9% 35.75 ± 24% cpuidle.POLL.usage
13361 ± 22% -27.0% 9754 ± 4% sched_debug.cfs_rq:/.exec_clock.stddev
14632 ± 24% -28.1% 10524 ± 5% sched_debug.cfs_rq:/.min_vruntime.stddev
14632 ± 24% -28.1% 10524 ± 5% sched_debug.cfs_rq:/.spread0.stddev
197.25 ± 14% +52.9% 301.50 ± 41% sched_debug.cfs_rq:/.util_avg.0
552666 ± 8% -7.7% 510200 ± 7% sched_debug.cpu.avg_idle.1
13610 ± 30% +59.7% 21734 ± 7% sched_debug.cpu.nr_switches.0
21145 ± 1% +12.3% 23752 ± 7% sched_debug.cpu.nr_switches.avg
10105 ± 21% +62.1% 16380 ± 7% sched_debug.cpu.nr_switches.min
11293 ± 28% -44.4% 6276 ± 16% sched_debug.cpu.nr_switches.stddev
21314 ± 19% +38.1% 29437 ± 5% sched_debug.cpu.sched_count.0
11261 ± 22% +57.2% 17703 ± 9% sched_debug.cpu.sched_count.min
11158 ± 27% -36.7% 7068 ± 12% sched_debug.cpu.sched_count.stddev
5854 ± 35% +57.0% 9194 ± 8% sched_debug.cpu.sched_goidle.0
3713 ± 27% +68.4% 6253 ± 11% sched_debug.cpu.sched_goidle.min
5638 ± 29% -44.5% 3131 ± 18% sched_debug.cpu.sched_goidle.stddev
8286 ± 32% +85.0% 15333 ± 15% sched_debug.cpu.ttwu_count.0
10697 ± 1% +13.2% 12107 ± 7% sched_debug.cpu.ttwu_count.avg
4845 ± 5% +17.8% 5707 ± 8% sched_debug.cpu.ttwu_count.min
2886 ± 47% +105.5% 5931 ± 16% sched_debug.cpu.ttwu_local.0
3667 ± 3% +17.0% 4291 ± 1% sched_debug.cpu.ttwu_local.avg
2127 ± 17% +29.2% 2748 ± 7% sched_debug.cpu.ttwu_local.min
lkp-ivb-d02: Ivy Bridge
Memory: 8G
unixbench.time.involuntary_context_switches
5000 ++-------------------------------------------------------------------+
4500 O+ |
| O O O O O
4000 ++ O O O |
3500 ++O O O O O O O O O O O |
| O O O |
3000 ++ O O |
2500 ++ |
2000 ++ |
| |
1500 ++ |
1000 ++ |
|.*.. .*.. .*. .*.*.. .*.. |
500 *+ * *.*..*.*. *. .*.. .*.*..* *.*..*.* |
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,
Ying Huang
[-- Attachment #2: job.yaml --]
[-- Type: text/plain, Size: 3551 bytes --]
---
LKP_SERVER: inn
LKP_CGI_PORT: 80
LKP_CIFS_PORT: 139
testcase: unixbench
default-monitors:
wait: activate-monitor
kmsg:
uptime:
iostat:
vmstat:
numa-numastat:
numa-vmstat:
numa-meminfo:
proc-vmstat:
proc-stat:
interval: 10
meminfo:
slabinfo:
interrupts:
lock_stat:
latency_stats:
softirqs:
bdi_dev_mapping:
diskstats:
nfsstat:
cpuidle:
cpufreq-stats:
turbostat:
pmeter:
sched_debug:
interval: 60
cpufreq_governor: performance
default-watchdogs:
oom-killer:
watchdog:
commit: b8084f70e028697b342d6388b244d6171717fc54
model: Ivy Bridge
nr_cpu: 4
memory: 8G
nr_hdd_partitions: 1
hdd_partitions: "/dev/disk/by-id/ata-ST1000DM003-1CH162_Z1DBQSB0-part1"
swap_partitions: "/dev/disk/by-id/ata-ST1000DM003-1CH162_Z1DBQSB0-part3"
rootfs_partition: "/dev/disk/by-id/ata-ST1000DM003-1CH162_Z1DBQSB0-part4"
netconsole_port: 66723
category: benchmark
nr_task: 1
unixbench:
test: fsdisk
queue: bisect
testbox: lkp-ivb-d02
tbox_group: lkp-ivb-d02
kconfig: x86_64-rhel
enqueue_time: 2016-01-05 16:24:11.468660360 +08:00
id: 62c43434378ef50b95fcd4973759daf66a148734
user: lkp
compiler: gcc-4.9
head_commit: 5bae791e5bb8895ac3d65634231c99d79a0e0002
base_commit: 168309855a7d1e16db751e9c647119fe2d2dc878
branch: linux-devel/devel-hourly-2016010502
rootfs: debian-x86_64-2015-02-07.cgz
result_root: "/result/unixbench/performance-1-fsdisk/lkp-ivb-d02/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/b8084f70e028697b342d6388b244d6171717fc54/0"
job_file: "/lkp/scheduled/lkp-ivb-d02/bisect_unixbench-performance-1-fsdisk-debian-x86_64-2015-02-07.cgz-x86_64-rhel-b8084f70e028697b342d6388b244d6171717fc54-20160105-89027-193oala-0.yaml"
max_uptime: 922.0999999999999
initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz"
bootloader_append:
- root=/dev/ram0
- user=lkp
- job=/lkp/scheduled/lkp-ivb-d02/bisect_unixbench-performance-1-fsdisk-debian-x86_64-2015-02-07.cgz-x86_64-rhel-b8084f70e028697b342d6388b244d6171717fc54-20160105-89027-193oala-0.yaml
- ARCH=x86_64
- kconfig=x86_64-rhel
- branch=linux-devel/devel-hourly-2016010502
- commit=b8084f70e028697b342d6388b244d6171717fc54
- BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/b8084f70e028697b342d6388b244d6171717fc54/vmlinuz-4.4.0-rc6-00236-gb8084f7
- max_uptime=922
- RESULT_ROOT=/result/unixbench/performance-1-fsdisk/lkp-ivb-d02/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/b8084f70e028697b342d6388b244d6171717fc54/0
- 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/b8084f70e028697b342d6388b244d6171717fc54/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/turbostat.cgz,/lkp/benchmarks/turbostat.cgz,/lkp/benchmarks/unixbench.cgz"
linux_headers_initrd: "/pkg/linux/x86_64-rhel/gcc-4.9/b8084f70e028697b342d6388b244d6171717fc54/linux-headers.cgz"
repeat_to: 2
kernel: "/pkg/linux/x86_64-rhel/gcc-4.9/b8084f70e028697b342d6388b244d6171717fc54/vmlinuz-4.4.0-rc6-00236-gb8084f7"
dequeue_time: 2016-01-05 16:39:47.706440461 +08:00
job_state: finished
loadavg: 0.58 0.25 0.10 1/123 2689
start_time: '1451983209'
end_time: '1451983353'
version: "/lkp/lkp/.src-20160105-162125"
[-- Attachment #3: reproduce.sh --]
[-- Type: application/x-sh, Size: 410 bytes --]
next reply other threads:[~2016-01-06 2:47 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-06 2:47 kernel test robot [this message]
2016-01-06 3:30 ` [rcu] b8084f70e0: No primary result change, 1414.7% unixbench.time.involuntary_context_switches Paul E. McKenney
2016-01-06 3:30 ` [lkp] " Paul E. McKenney
2016-01-06 4:25 ` Huang, Ying
2016-01-06 4:25 ` [LKP] [lkp] " Huang, Ying
2016-01-06 16:00 ` Paul E. McKenney
2016-01-06 16:00 ` [LKP] [lkp] " Paul E. McKenney
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