Subject: kernel 4.1.40
From: Ghislain Adnet <gadnet@aqueos.com>
Date: Fri, 2 Jun 2017 08:12:05 +0200

Hi,

 first test went fine:

Linux-VServer Test [V0.17] Copyright (C) 2003-2006 H.Poetzl
chcontext is working.
chbind is working.
Linux 4.1.40-vs2.3.8.5.3aq #1 SMP Wed May 31 18:16:41 CEST 2017 x86_64
Ea 0.30.216 236/glibc (DSa) <compat,v11,fscompat,v13,net,v21,v22,v23,netv2>
VCI: 0002:0308 236 13113f11 (TbsPWD)
---
[000]# succeeded.
[001]# succeeded.
[011]# succeeded.
[031]# succeeded.
[101]# succeeded.
[102]# succeeded.
[201]# succeeded.
[202]# succeeded.

Linux-VServer FS Test [V0.23] Copyright (C) 2005-2009 H.Poetzl
Linux 4.1.40-vs2.3.8.5.3aq x86_64/0.30.216
VCI:  0002:0308 236 13113f11 (ID24)
---
testing ext4 filesystem ...
mke2fs 1.42.12 (29-Aug-2014)
[000]# succeeded.
[001]# succeeded.
mount: /mnt not mounted or bad option

       In some cases useful info is found in syslog - try
       dmesg | tail or so.
[002]# succeeded.
tag related tests ...
[011]# succeeded.
[012]# succeeded.
[014]# succeeded.
cat: /mnt//file_2: Permission denied
cat: /mnt//file_3: Permission denied
[015]# succeeded.
[019]# succeeded.
[020]# succeeded.
[021]# succeeded.
[022]# succeeded.
[023]# succeeded.
[024]# succeeded.
cat: /mnt//file_2: Permission denied
cat: /mnt//file_3: Permission denied
[025]# succeeded.
[026]# succeeded.
tee: /mnt//file_2: Permission denied
tee: /mnt//file_3: Permission denied
[027]# succeeded.
[028]# succeeded.
[033]# succeeded.
[034]# succeeded.
cat: /mnt//file_1: Permission denied
[035]# succeeded.
tee: /mnt//file_1: Permission denied
tee: /mnt//file_2: Permission denied
[037]# succeeded.
[045]# succeeded.
[047]# succeeded.
xattr related tests ...
[101]# succeeded.
[103]# succeeded.
[104]# succeeded.
[106]# succeeded.
[107]# succeeded.
[109]# succeeded.
[112]# succeeded.
[113]# succeeded.
[114]# succeeded.
chattr: Permission denied while reading flags on /mnt//dir_8426
[115]# succeeded.
chmod: changing permissions of ‘/mnt//dir_8426’: Permission denied
[116]# succeeded.
[118]# succeeded.
[119]# succeeded.
[122]# succeeded.
[123]# succeeded.
[124]# succeeded.
[125]# succeeded.
[127]# succeeded.
[128]# succeeded.
[129]# succeeded.
[131]# succeeded.
[132]# succeeded.
[133]# succeeded.
[134]# succeeded.
[135]# succeeded.
[138]# succeeded.
[139]# succeeded.
[148]# succeeded.
[149]# succeeded.
disk limit related tests ...
[201]# succeeded.
16+0 records in
16+0 records out
16384 bytes (16 kB) copied, 0,000138364 s, 118 MB/s
[202]# succeeded.
[203]# succeeded.
[204]# succeeded.
[205]# succeeded.
dd: error writing ‘/mnt//space-300’: No space left on device
33+0 records in
32+0 records out
32768 bytes (33 kB) copied, 0,520391 s, 63,0 kB/s
[206]# succeeded.
touch: cannot touch ‘/mnt//inodes-300-5’: No space left on device
[207]# succeeded.
[208]# succeeded.
[211]# succeeded.
5+0 records in
5+0 records out
5120 bytes (5,1 kB) copied, 9,0777e-05 s, 56,4 MB/s
[212]# succeeded.
[213]# succeeded.
43+0 records in
43+0 records out
44032 bytes (44 kB) copied, 0,000138055 s, 319 MB/s
touch: cannot touch ‘/mnt//cow-300-1’: No space left on device
[222]# succeeded.
[223]# succeeded.
[231]# succeeded.
3+0 records in
3+0 records out
3072 bytes (3,1 kB) copied, 7,8253e-05 s, 39,3 MB/s
touch: cannot touch ‘/mnt//cow-300-9’: No space left on device
[232]# succeeded.
[233]# succeeded.
[239]# succeeded.
[999]# succeeded.



After 16h of stress-ng test all seems fine apart one thing, the dentry counts:

==> cacct <==
Type        recv #/bytes                   send #/bytes             fail #/bytes
UNSPEC:          0/0                     0/0                     0/0
UNIX:            0/0                     0/0                     0/0
INET:            0/0                     0/0                     0/0
INET6:           0/0                     0/0                     0/0
PACKET:          0/0                     0/0                     0/0
OTHER:           0/0                     0/0                     0/0

slab:           0        0        0        0

page[0]:        0        0        0        0            0        0        0        0
page[1]:        0        0        0        0            0        0        0        0
page[2]:        0        0        0        0            0        0        0        0
page[3]:        0        0        0        0            0        0        0        0
page[4]:        0        0        0        0            0        0        0        0

==> cvirt <==
BiasUptime:     2017.43
nr_threads:     37
nr_running:     0
nr_unintr:      0
nr_onhold:      0
load_updates:   1350466008
loadavg:        1.32 25.45 40.93
total_forks:    61766537

==> info <==
ID:     40750
Info:   ffff8803fe8f9000
Init:   0
OOM:    0

==> status <==
UseCnt: 67
Tasks:  37
Flags:  00000016020f0010
BCaps:  ffffffffb44c04ff
CCaps:  0000000000104101
Umask:                 0
Wmask:                 0
Spaces: 0c020200 00020200


==> limit <==
Limit    current             min/max                soft/hard           hits
PROC:         37               0/     254           4096/    4096            0
VM:            0               0/       0             -1/      -1            0
VML:           0               0/       0             -1/      -1            0
RSS:           0               0/       0             -1/      -1            0
ANON:          0               0/       0             -1/      -1            0
RMAP:          0               0/       0             -1/      -1            0
FILES:       505               0/   30000          30000/   30000            0
OFD:         130               0/   31037             -1/      -1            0
LOCKS:         0               0/       0             -1/      -1            0
SOCK:         29               0/     209             -1/      -1            0
MSGQ:          0               0/       0             -1/      -1            0
SHM:           0               0/      91             -1/      -1            0
SEMA:          0               0/       6             -1/      -1            0
SEMS:          0               0/      18             -1/      -1            0
DENT:   108698085              0/108698085            -1/      -1            0



the stress test ended and most of services stopped but the dentry are still very high.


so apart for the dentry i see no issue going on for this patch.


best regards,
Ghislain.