FYI, we noticed that fsmark.time.involuntary_context_switches +56.4% change
with your commit:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
commit 9be4fd2c7723a3057b0b39676fe4c8d5fd7118a4 ("cpufreq: governor: Replace
timers with utilization update callbacks")
=========================================================================================
compiler/disk/filesize/fs2/fs/iterations/kconfig/nr_directories/nr_files_per_directory/nr_threads/rootfs/sync_method/tbox_group/test_size/testcase:
gcc-4.9/1HDD/8K/nfsv4/ext4/1x/x86_64-rhel/16d/256fpd/32t/debian-x86_64-2015-02-07.cgz/fsyncBeforeClose/lkp-ws02/400M/fsmark
commit:
a4675fbc4a7abe072ac6ba38c252f22a91ebcd94
9be4fd2c7723a3057b0b39676fe4c8d5fd7118a4
a4675fbc4a7abe07 9be4fd2c7723a3057b0b39676f
---------------- --------------------------
%stddev %change %stddev
\ | \
70792 ± 0% +56.4% 110713 ± 1%
fsmark.time.involuntary_context_switches
108756 ± 2% -10.4% 97492 ± 6% meminfo.DirectMap4k
70792 ± 0% +56.4% 110713 ± 1% time.involuntary_context_switches
21.50 ± 57% +48.8% 32.00 ± 2% turbostat.Avg_MHz
92879 ± 1% -12.2% 81528 ± 2% softirqs.RCU
107180 ± 1% -19.4% 86414 ± 0% softirqs.SCHED
7477 ± 0% +7.5% 8036 ± 0% vmstat.system.cs
710.75 ± 0% +92.2% 1366 ± 2% vmstat.system.in
1.165e+09 ± 0% -12.3% 1.022e+09 ± 3% cpuidle.C3-NHM.time
266839 ± 1% -20.5% 212259 ± 2% cpuidle.C3-NHM.usage
58012774 ± 4% +26.7% 73508891 ± 2% cpuidle.POLL.time
lkp-ws02: Westmere-EP
Memory: 16G
fsmark.time.involuntary_context_switches
115000 ++-----------------------------------------------------------------+
| OOOO O OOO |
110000 ++ O OO O O |
105000 +O O O O O O O OO OOO O O O OO |
O OO O O OO O O O O O O O O |
100000 ++ |
95000 ++ |
| |
90000 ++ |
85000 ++ |
| |
80000 ++ |
75000 ++ |
| *.***.* **. .***.****.***. |
70000 **-***-------*---***-****-***--------------****-***-****-***-****-**
time.involuntary_context_switches
115000 ++-----------------------------------------------------------------+
| OOOO O OOO |
110000 ++ O OO O O |
105000 +O O O O O O O OO OOO O O O OO |
O OO O O OO O O O O O O O O |
100000 ++ |
95000 ++ |
| |
90000 ++ |
85000 ++ |
| |
80000 ++ |
75000 ++ |
| *.***.* **. .***.****.***. |
70000 **-***-------*---***-****-***--------------****-***-****-***-****-**
vmstat.system.in
1500 ++-------------------------------------------------------------------+
| |
1400 ++ OOO OO OOO O |
1300 +O OO O O OO O OO OOO OOO OOOO O O OO |
O O OOO O O OO O |
1200 ++ OO |
| |
1100 ++ |
| |
1000 ++ |
900 ++ |
| |
800 ++.* .** .* .** * .* *. ** .* *. *. * |
** ** * ** *.* *.*** **.** * * * ** ***.* *.***.***.* |
700 ++---------------------------------------------------------------**-**
[*] 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
testcase: fsmark
default-monitors:
wait: activate-monitor
kmsg:
uptime:
iostat:
heartbeat:
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:
default-watchdogs:
oom-killer:
watchdog:
commit: 9be4fd2c7723a3057b0b39676fe4c8d5fd7118a4
model: Westmere-EP
memory: 16G
nr_hdd_partitions: 10
hdd_partitions: "/dev/disk/by-id/scsi-35000c500*-part1"
swap_partitions:
rootfs_partition:
"/dev/disk/by-id/ata-WDC_WD1002FAEX-00Z3A0_WD-WCATR5408564-part3"
category: benchmark
iterations: 1x
nr_threads: 32t
disk: 1HDD
fs: ext4
fs2: nfsv4
fsmark:
filesize: 8K
test_size: 400M
sync_method: fsyncBeforeClose
nr_directories: 16d
nr_files_per_directory: 256fpd
queue: bisect
testbox: lkp-ws02
tbox_group: lkp-ws02
kconfig: x86_64-rhel
enqueue_time: 2016-03-20 10:09:24.525219588 +08:00
compiler: gcc-4.9
rootfs: debian-x86_64-2015-02-07.cgz
id: fdd404daccaee5e0c96a90d1c6f11354ed761f51
user: lkp
head_commit: 6c01e36f36861235cc151706b1bcb674e965c5a5
base_commit: b562e44f507e863c6792946e4e1b1449fbbac85d
branch: linux-devel/devel-hourly-2016031901
result_root:
"/result/fsmark/1x-32t-1HDD-ext4-nfsv4-8K-400M-fsyncBeforeClose-16d-256fpd/lkp-ws02/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/9be4fd2c7723a3057b0b39676fe4c8d5fd7118a4/0"
job_file:
"/lkp/scheduled/lkp-ws02/bisect_fsmark-1x-32t-1HDD-ext4-nfsv4-8K-400M-fsyncBeforeClose-16d-256fpd-debian-x86_64-2015-02-07.cgz-x86_64-rhel-9be4fd2c7723a3057b0b39676fe4c8d5fd7118a4-20160320-39429-bq8oj6-0.yaml"
nr_cpu: "$(nproc)"
max_uptime: 1756.7000000000003
initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz"
bootloader_append:
- root=/dev/ram0
- user=lkp
-
job=/lkp/scheduled/lkp-ws02/bisect_fsmark-1x-32t-1HDD-ext4-nfsv4-8K-400M-fsyncBeforeClose-16d-256fpd-debian-x86_64-2015-02-07.cgz-x86_64-rhel-9be4fd2c7723a3057b0b39676fe4c8d5fd7118a4-20160320-39429-bq8oj6-0.yaml
- ARCH=x86_64
- kconfig=x86_64-rhel
- branch=linux-devel/devel-hourly-2016031901
- commit=9be4fd2c7723a3057b0b39676fe4c8d5fd7118a4
-
BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/9be4fd2c7723a3057b0b39676fe4c8d5fd7118a4/vmlinuz-4.5.0-rc2-00004-g9be4fd2
- max_uptime=1756
-
RESULT_ROOT=/result/fsmark/1x-32t-1HDD-ext4-nfsv4-8K-400M-fsyncBeforeClose-16d-256fpd/lkp-ws02/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/9be4fd2c7723a3057b0b39676fe4c8d5fd7118a4/0
- LKP_SERVER=inn
- |-
ipmi_watchdog.start_now=1
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-4.9/9be4fd2c7723a3057b0b39676fe4c8d5fd7118a4/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,/osimage/deps/debian-x86_64-2015-02-07.cgz/fs.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/fs2.cgz,/lkp/benchmarks/fsmark.cgz"
linux_headers_initrd:
"/pkg/linux/x86_64-rhel/gcc-4.9/9be4fd2c7723a3057b0b39676fe4c8d5fd7118a4/linux-headers.cgz"
repeat_to: 2
kernel:
"/pkg/linux/x86_64-rhel/gcc-4.9/9be4fd2c7723a3057b0b39676fe4c8d5fd7118a4/vmlinuz-4.5.0-rc2-00004-g9be4fd2"
dequeue_time: 2016-03-20 10:16:38.380437312 +08:00
job_state: finished
loadavg: 37.39 31.57 16.10 3/373 13706
start_time: '1458440258'
end_time: '1458440752'
version: "/lkp/lkp/.src-20160318-155012"
2016-03-20 10:17:35 mkfs -t ext4 -q -F /dev/sdd1
2016-03-20 10:17:37 mount -t ext4 /dev/sdd1 /fs/sdd1
2016-03-20 10:17:37 /etc/init.d/rpcbind start
2016-03-20 10:17:37 /etc/init.d/nfs-common start
2016-03-20 10:17:37 /etc/init.d/nfs-kernel-server start
2016-03-20 10:17:37 mount -t nfs -o vers=4 localhost:/fs/sdd1 /nfs/sdd1
2016-03-20 10:17:39 ./fs_mark -d /nfs/sdd1/1 -d /nfs/sdd1/2 -d /nfs/sdd1/3 -d
/nfs/sdd1/4 -d /nfs/sdd1/5 -d /nfs/sdd1/6 -d /nfs/sdd1/7 -d /nfs/sdd1/8 -d
/nfs/sdd1/9 -d /nfs/sdd1/10 -d /nfs/sdd1/11 -d /nfs/sdd1/12 -d /nfs/sdd1/13 -d
/nfs/sdd1/14 -d /nfs/sdd1/15 -d /nfs/sdd1/16 -d /nfs/sdd1/17 -d /nfs/sdd1/18 -d
/nfs/sdd1/19 -d /nfs/sdd1/20 -d /nfs/sdd1/21 -d /nfs/sdd1/22 -d /nfs/sdd1/23 -d
/nfs/sdd1/24 -d /nfs/sdd1/25 -d /nfs/sdd1/26 -d /nfs/sdd1/27 -d /nfs/sdd1/28 -d
/nfs/sdd1/29 -d /nfs/sdd1/30 -d /nfs/sdd1/31 -d /nfs/sdd1/32 -D 16 -N 256 -n
1600 -L 1 -S 1 -s 8192
