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Subject[lkp] [mm] 46cfb125d6: No primary result change, 11.3% fsmark.time.minor_page_faults
Date
FYI, we noticed the below changes on

https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
commit 46cfb125d673f2f30acf06b3c02485bf693d54e9 ("mm: increase SWAP_CLUSTER_MAX to batch TLB flushes")


=========================================================================================
tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/iterations/nr_threads/disk/fs/filesize/test_size/sync_method/nr_directories/nr_files_per_directory:
nhm4/fsmark/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/1x/32t/1HDD/btrfs/16MB/60G/fsyncBeforeClose/16d/256fpd

commit:
284f74b8c06045dcc1b5caaf5f412219f18cfc60
46cfb125d673f2f30acf06b3c02485bf693d54e9

284f74b8c06045dc 46cfb125d673f2f30acf06b3c0
---------------- --------------------------
%stddev %change %stddev
\ | \
14126 ± 3% +11.3% 15720 ± 4% fsmark.time.minor_page_faults
17.00 ± 0% +5.9% 18.00 ± 0% fsmark.time.percent_of_cpu_this_job_got
88.97 ± 0% +8.8% 96.80 ± 0% fsmark.time.system_time
52682 ± 0% -18.1% 43155 ± 0% softirqs.BLOCK
14126 ± 3% +11.3% 15720 ± 4% time.minor_page_faults
25179737 ± 8% -18.5% 20528816 ± 5% cpuidle.C1E-NHM.time
133847 ± 3% -14.1% 114908 ± 4% cpuidle.C3-NHM.usage
92678 ± 2% -20.8% 73391 ± 1% meminfo.Dirty
124930 ± 1% +21.4% 151629 ± 0% meminfo.Writeback
3.45 ± 1% +3.4% 3.56 ± 0% turbostat.%Busy
111.50 ± 1% +3.8% 115.75 ± 0% turbostat.Avg_MHz
101775 ±157% +329.9% 437551 ±169% latency_stats.max.btrfs_tree_lock.[btrfs].btrfs_lock_root_node.[btrfs].btrfs_search_slot.[btrfs].btrfs_insert_empty_items.[btrfs].btrfs_new_inode.[btrfs].btrfs_create.[btrfs].vfs_create.path_openat.do_filp_open.do_sys_open.SyS_open.entry_SYSCALL_64_fastpath
8005 ± 19% +5364.1% 437413 ±169% latency_stats.max.btrfs_tree_lock.[btrfs].btrfs_lock_root_node.[btrfs].btrfs_search_slot.[btrfs].btrfs_insert_empty_items.[btrfs].insert_with_overflow.[btrfs].btrfs_insert_dir_item.[btrfs].btrfs_add_link.[btrfs].btrfs_create.[btrfs].vfs_create.path_openat.do_filp_open.do_sys_open
469382 ± 66% -98.7% 6266 ± 18% latency_stats.max.btrfs_tree_lock.[btrfs].btrfs_search_slot.[btrfs].btrfs_lookup_inode.[btrfs].__btrfs_update_delayed_inode.[btrfs].btrfs_commit_inode_delayed_items.[btrfs].btrfs_log_inode.[btrfs].btrfs_log_inode_parent.[btrfs].btrfs_log_dentry_safe.[btrfs].btrfs_sync_file.[btrfs].vfs_fsync_range.do_fsync.SyS_fsync
363661 ±103% -100.0% 84.50 ± 19% latency_stats.max.btrfs_tree_read_lock.[btrfs].btrfs_read_lock_root_node.[btrfs].btrfs_search_slot.[btrfs].btrfs_insert_empty_items.[btrfs].copy_items.[btrfs].btrfs_log_inode.[btrfs].btrfs_log_inode_parent.[btrfs].btrfs_log_dentry_safe.[btrfs].btrfs_sync_file.[btrfs].vfs_fsync_range.do_fsync.SyS_fsync
404767 ±170% -98.6% 5611 ±114% latency_stats.max.btrfs_tree_read_lock.[btrfs].btrfs_read_lock_root_node.[btrfs].btrfs_search_slot.[btrfs].btrfs_lookup_dir_item.[btrfs].btrfs_lookup_dentry.[btrfs].btrfs_lookup.[btrfs].lookup_real.path_openat.do_filp_open.do_sys_open.SyS_open.entry_SYSCALL_64_fastpath
35516 ±145% +1126.2% 435514 ±170% latency_stats.max.btrfs_tree_read_lock.[btrfs].btrfs_read_lock_root_node.[btrfs].btrfs_search_slot.[btrfs].btrfs_lookup_xattr.[btrfs].__btrfs_getxattr.[btrfs].btrfs_getxattr.[btrfs].cap_inode_need_killpriv.security_inode_need_killpriv.dentry_needs_remove_privs.file_remove_privs.btrfs_file_write_iter.[btrfs].__vfs_write
1107650 ±130% -72.4% 305514 ± 96% latency_stats.max.wait_on_page_bit.__filemap_fdatawait_range.filemap_fdatawait_range.btrfs_wait_marked_extents.[btrfs].btrfs_write_and_wait_transaction.[btrfs].btrfs_commit_transaction.[btrfs].btrfs_sync_file.[btrfs].vfs_fsync_range.do_fsync.SyS_fsync.entry_SYSCALL_64_fastpath
199353 ± 84% +377.4% 951697 ±154% latency_stats.sum.btrfs_tree_lock.[btrfs].btrfs_lock_root_node.[btrfs].btrfs_search_slot.[btrfs].btrfs_insert_empty_items.[btrfs].btrfs_new_inode.[btrfs].btrfs_create.[btrfs].vfs_create.path_openat.do_filp_open.do_sys_open.SyS_open.entry_SYSCALL_64_fastpath
62503 ± 33% +657.0% 473167 ±155% latency_stats.sum.btrfs_tree_lock.[btrfs].btrfs_lock_root_node.[btrfs].btrfs_search_slot.[btrfs].btrfs_insert_empty_items.[btrfs].insert_with_overflow.[btrfs].btrfs_insert_dir_item.[btrfs].btrfs_add_link.[btrfs].btrfs_create.[btrfs].vfs_create.path_openat.do_filp_open.do_sys_open
5568453 ± 73% -75.9% 1342137 ± 11% latency_stats.sum.btrfs_tree_lock.[btrfs].btrfs_search_slot.[btrfs].btrfs_lookup_inode.[btrfs].__btrfs_update_delayed_inode.[btrfs].btrfs_commit_inode_delayed_items.[btrfs].btrfs_log_inode.[btrfs].btrfs_log_inode_parent.[btrfs].btrfs_log_dentry_safe.[btrfs].btrfs_sync_file.[btrfs].vfs_fsync_range.do_fsync.SyS_fsync
1647770 ±118% -99.5% 7733 ± 11% latency_stats.sum.btrfs_tree_read_lock.[btrfs].btrfs_read_lock_root_node.[btrfs].btrfs_search_slot.[btrfs].btrfs_insert_empty_items.[btrfs].copy_items.[btrfs].btrfs_log_inode.[btrfs].btrfs_log_inode_parent.[btrfs].btrfs_log_dentry_safe.[btrfs].btrfs_sync_file.[btrfs].vfs_fsync_range.do_fsync.SyS_fsync
4780008 ±170% -99.2% 36367 ± 61% latency_stats.sum.btrfs_tree_read_lock.[btrfs].btrfs_read_lock_root_node.[btrfs].btrfs_search_slot.[btrfs].btrfs_lookup_dir_item.[btrfs].btrfs_lookup_dentry.[btrfs].btrfs_lookup.[btrfs].lookup_real.path_openat.do_filp_open.do_sys_open.SyS_open.entry_SYSCALL_64_fastpath
88081 ±118% +919.9% 898339 ±164% latency_stats.sum.btrfs_tree_read_lock.[btrfs].btrfs_read_lock_root_node.[btrfs].btrfs_search_slot.[btrfs].btrfs_lookup_xattr.[btrfs].__btrfs_getxattr.[btrfs].btrfs_getxattr.[btrfs].cap_inode_need_killpriv.security_inode_need_killpriv.dentry_needs_remove_privs.file_remove_privs.btrfs_file_write_iter.[btrfs].__vfs_write
20472 ± 0% -24.3% 15507 ± 0% proc-vmstat.allocstall
1021 ± 34% -73.5% 271.00 ± 26% proc-vmstat.kswapd_high_wmark_hit_quickly
23142 ± 2% -20.9% 18301 ± 1% proc-vmstat.nr_dirty
2441 ± 28% -82.8% 419.50 ± 29% proc-vmstat.nr_vmscan_immediate_reclaim
31236 ± 1% +21.5% 37946 ± 1% proc-vmstat.nr_writeback
8479 ± 5% +18.8% 10075 ± 7% proc-vmstat.numa_hint_faults
8479 ± 5% +18.8% 10075 ± 7% proc-vmstat.numa_hint_faults_local
9293 ± 4% +18.1% 10977 ± 6% proc-vmstat.numa_pte_updates
683.50 ± 95% -86.0% 96.00 ± 67% proc-vmstat.pgdeactivate
1298 ± 11% -39.7% 783.50 ± 45% proc-vmstat.pgmigrate_success
796.75 ± 81% -71.9% 224.25 ± 30% proc-vmstat.pgrefill_dma
2969680 ± 0% +110.2% 6241700 ± 0% proc-vmstat.pgscan_direct_dma32
9735 ± 15% -86.3% 1332 ± 20% proc-vmstat.pgscan_kswapd_dma
12295232 ± 0% -26.7% 9017741 ± 0% proc-vmstat.pgscan_kswapd_dma32
2893713 ± 1% +113.0% 6162694 ± 0% proc-vmstat.pgsteal_direct_dma32
12278505 ± 0% -26.7% 9003970 ± 0% proc-vmstat.pgsteal_kswapd_dma32
7.00 ±141% +225.0% 22.75 ± 30% sched_debug.cfs_rq[0]:/.load
88.75 ± 47% +166.2% 236.25 ± 19% sched_debug.cfs_rq[0]:/.tg_load_avg
0.50 ±100% +3150.0% 16.25 ± 47% sched_debug.cfs_rq[1]:/.runnable_load_avg
86.25 ± 42% +175.1% 237.25 ± 19% sched_debug.cfs_rq[1]:/.tg_load_avg
87.25 ± 41% +175.4% 240.25 ± 20% sched_debug.cfs_rq[2]:/.tg_load_avg
22.75 ± 35% +217.6% 72.25 ± 44% sched_debug.cfs_rq[2]:/.util_avg
7.00 ± 82% +128.6% 16.00 ± 32% sched_debug.cfs_rq[3]:/.load_avg
-533786 ± -7% -15.0% -453453 ± -6% sched_debug.cfs_rq[3]:/.spread0
88.75 ± 40% +169.6% 239.25 ± 19% sched_debug.cfs_rq[3]:/.tg_load_avg
7.00 ± 82% +135.7% 16.50 ± 35% sched_debug.cfs_rq[3]:/.tg_load_avg_contrib
23.50 ± 58% +217.0% 74.50 ± 44% sched_debug.cfs_rq[3]:/.util_avg
89.00 ± 40% +168.8% 239.25 ± 19% sched_debug.cfs_rq[4]:/.tg_load_avg
89.50 ± 39% +169.6% 241.25 ± 18% sched_debug.cfs_rq[5]:/.tg_load_avg
28.75 ± 90% +173.0% 78.50 ± 61% sched_debug.cfs_rq[5]:/.util_avg
5799 ± 5% +14.2% 6619 ± 2% sched_debug.cfs_rq[6]:/.exec_clock
90.50 ± 39% +167.7% 242.25 ± 19% sched_debug.cfs_rq[6]:/.tg_load_avg
13.00 ±105% +142.3% 31.50 ± 60% sched_debug.cfs_rq[7]:/.load_avg
93.00 ± 40% +162.4% 244.00 ± 19% sched_debug.cfs_rq[7]:/.tg_load_avg
13.00 ±105% +165.4% 34.50 ± 64% sched_debug.cfs_rq[7]:/.tg_load_avg_contrib
0.75 ±110% +733.3% 6.25 ± 60% sched_debug.cpu#0.cpu_load[3]
0.75 ±110% +1033.3% 8.50 ± 45% sched_debug.cpu#0.cpu_load[4]
34.33 ±141% +759.2% 295.00 ± 42% sched_debug.cpu#0.curr->pid
5.75 ±153% +791.3% 51.25 ± 83% sched_debug.cpu#0.load
-821.75 ± -3% -13.2% -713.25 ± -2% sched_debug.cpu#0.nr_uninterruptible
1.00 ±100% +750.0% 8.50 ± 48% sched_debug.cpu#1.cpu_load[1]
1.75 ± 84% +400.0% 8.75 ± 48% sched_debug.cpu#1.cpu_load[2]
30329 ± 51% -46.2% 16309 ± 5% sched_debug.cpu#2.nr_load_updates
4.00 ± 98% +918.8% 40.75 ± 69% sched_debug.cpu#6.cpu_load[0]
2.25 ± 85% +1400.0% 33.75 ± 85% sched_debug.cpu#6.cpu_load[1]
1.75 ± 84% +1557.1% 29.00 ± 90% sched_debug.cpu#6.cpu_load[2]
1.25 ± 87% +1960.0% 25.75 ± 93% sched_debug.cpu#6.cpu_load[3]
149.50 ± 20% -29.3% 105.75 ± 15% sched_debug.cpu#6.nr_uninterruptible
36817 ± 8% +4975.8% 1868779 ±169% sched_debug.cpu#7.nr_switches
37382 ± 9% +4900.3% 1869233 ±169% sched_debug.cpu#7.sched_count
16197 ± 9% +5605.7% 924151 ±169% sched_debug.cpu#7.sched_goidle
0.49 ± 2% +1020.2% 5.53 ±103% sched_debug.rt_rq[0]:/.rt_time


nhm4: Nehalem
Memory: 4G


fsmark.time.system_time

100 ++--------------------------------------------------------------------+
| O |
98 O+ O O O O O O |
| O O O O O O O |
96 ++ O O O O |
| |
94 ++ |
| |
92 ++ |
| .*. .*.*.. .*.. |
90 ++ .*.*. *. *.*..* * |
*..*.*..*. .*. .*. + .*.*..*.*..*.*..*.*
88 ++ *. *..* *. |
| |
86 ++--------------------------------------------------------------------+


[*] 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
---
LKP_SERVER: inn
LKP_CGI_PORT: 80
LKP_CIFS_PORT: 139
testcase: fsmark
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: 0293645856ec527639b5902f021fa5aeba93e305
model: Nehalem
nr_cpu: 8
memory: 4G
hdd_partitions: "/dev/disk/by-id/ata-WDC_WD1003FBYZ-010FB0_WD-WCAW36812041-part1"
swap_partitions: "/dev/disk/by-id/ata-WDC_WD1003FBYZ-010FB0_WD-WCAW36812041-part2"
rootfs_partition: "/dev/disk/by-id/ata-WDC_WD1003FBYZ-010FB0_WD-WCAW36812041-part3"
netconsole_port: 6649
category: benchmark
iterations: 1x
nr_threads: 32t
disk: 1HDD
fs: btrfs
fs2:
fsmark:
filesize: 16MB
test_size: 60G
sync_method: fsyncBeforeClose
nr_directories: 16d
nr_files_per_directory: 256fpd
queue: cyclic
testbox: nhm4
tbox_group: nhm4
kconfig: x86_64-rhel
enqueue_time: 2015-09-28 12:38:00.849493513 +08:00
id: 4a38a4ae1915fa1269a4ae8d24ddb1aa2fcbddcc
user: lkp
compiler: gcc-4.9
head_commit: 0293645856ec527639b5902f021fa5aeba93e305
base_commit: 9ffecb10283508260936b96022d4ee43a7798b4c
branch: linux-next/master
kernel: "/pkg/linux/x86_64-rhel/gcc-4.9/0293645856ec527639b5902f021fa5aeba93e305/vmlinuz-4.3.0-rc3-next-20150929"
rootfs: debian-x86_64-2015-02-07.cgz
result_root: "/result/fsmark/performance-1x-32t-1HDD-btrfs-16MB-60G-fsyncBeforeClose-16d-256fpd/nhm4/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/0293645856ec527639b5902f021fa5aeba93e305/0"
job_file: "/lkp/scheduled/nhm4/cyclic_fsmark-performance-1x-32t-1HDD-btrfs-16MB-60G-fsyncBeforeClose-16d-256fpd-x86_64-rhel-CYCLIC_HEAD-0293645856ec527639b5902f021fa5aeba93e305-20150928-126591-ryfw91-0.yaml"
dequeue_time: 2015-09-30 09:55:25.788034495 +08:00
max_uptime: 1670.2800000000002
initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz"
bootloader_append:
- root=/dev/ram0
- user=lkp
- job=/lkp/scheduled/nhm4/cyclic_fsmark-performance-1x-32t-1HDD-btrfs-16MB-60G-fsyncBeforeClose-16d-256fpd-x86_64-rhel-CYCLIC_HEAD-0293645856ec527639b5902f021fa5aeba93e305-20150928-126591-ryfw91-0.yaml
- ARCH=x86_64
- kconfig=x86_64-rhel
- branch=linux-next/master
- commit=0293645856ec527639b5902f021fa5aeba93e305
- BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/0293645856ec527639b5902f021fa5aeba93e305/vmlinuz-4.3.0-rc3-next-20150929
- max_uptime=1670
- RESULT_ROOT=/result/fsmark/performance-1x-32t-1HDD-btrfs-16MB-60G-fsyncBeforeClose-16d-256fpd/nhm4/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/0293645856ec527639b5902f021fa5aeba93e305/0
- LKP_SERVER=inn
- |-
libata.force=1.5Gbps

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-4.9/0293645856ec527639b5902f021fa5aeba93e305/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"
job_state: finished
loadavg: 27.79 25.76 13.60 1/183 7493
start_time: '1443578151'
end_time: '1443578667'
version: "/lkp/lkp/.src-20150930-095509"
echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu5/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu6/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu7/cpufreq/scaling_governor
mkfs -t btrfs /dev/sdb1
mount -t btrfs /dev/sdb1 /fs/sdb1
./fs_mark -d /fs/sdb1/1 -d /fs/sdb1/2 -d /fs/sdb1/3 -d /fs/sdb1/4 -d /fs/sdb1/5 -d /fs/sdb1/6 -d /fs/sdb1/7 -d /fs/sdb1/8 -d /fs/sdb1/9 -d /fs/sdb1/10 -d /fs/sdb1/11 -d /fs/sdb1/12 -d /fs/sdb1/13 -d /fs/sdb1/14 -d /fs/sdb1/15 -d /fs/sdb1/16 -d /fs/sdb1/17 -d /fs/sdb1/18 -d /fs/sdb1/19 -d /fs/sdb1/20 -d /fs/sdb1/21 -d /fs/sdb1/22 -d /fs/sdb1/23 -d /fs/sdb1/24 -d /fs/sdb1/25 -d /fs/sdb1/26 -d /fs/sdb1/27 -d /fs/sdb1/28 -d /fs/sdb1/29 -d /fs/sdb1/30 -d /fs/sdb1/31 -d /fs/sdb1/32 -D 16 -N 256 -n 120 -L 1 -S 1 -s 16777216
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