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[ HOME SHELL ]
Name
Size
Permission
Action
aa-remove-unknown
3
KB
-rwxr-xr-x
aa-status
62.62
KB
-rwxr-xr-x
aa-teardown
137
B
-rwxr-xr-x
accessdb
14.55
KB
-rwxr-xr-x
acpid
55.02
KB
-rwxr-xr-x
add-shell
1.03
KB
-rwxr-xr-x
addgnupghome
3
KB
-rwxr-xr-x
addgroup
37.35
KB
-rwxr-xr-x
adduser
37.35
KB
-rwxr-xr-x
agetty
55.56
KB
-rwxr-xr-x
apachectl
4.52
KB
-rwxr-xr-x
apparmor_parser
1.48
MB
-rwxr-xr-x
apparmor_status
62.62
KB
-rwxr-xr-x
applygnupgdefaults
2.17
KB
-rwxr-xr-x
arp
61.61
KB
-rwxr-xr-x
arpd
26.33
KB
-rwxr-xr-x
arptables
219.04
KB
-rwxr-xr-x
arptables-nft
219.04
KB
-rwxr-xr-x
arptables-nft-restore
219.04
KB
-rwxr-xr-x
arptables-nft-save
219.04
KB
-rwxr-xr-x
arptables-restore
219.04
KB
-rwxr-xr-x
arptables-save
219.04
KB
-rwxr-xr-x
aspell-autobuildhash
13.4
KB
-rwxr-xr-x
atd
30.16
KB
-rwxr-xr-x
badblocks
34.32
KB
-rwxr-xr-x
biosdecode
23.2
KB
-rwxr-xr-x
blkdeactivate
15.97
KB
-rwxr-xr-x
blkdiscard
22.38
KB
-rwxr-xr-x
blkid
50.41
KB
-rwxr-xr-x
blkmapd
38.3
KB
-rwxr-xr-x
blkzone
34.38
KB
-rwxr-xr-x
blockdev
30.38
KB
-rwxr-xr-x
bridge
92.49
KB
-rwxr-xr-x
capsh
30.3
KB
-rwxr-xr-x
cfdisk
94.73
KB
-rwxr-xr-x
chcpu
30.38
KB
-rwxr-xr-x
checkrestart
30.4
KB
-rwxr-xr-x
chgpasswd
58.13
KB
-rwxr-xr-x
chmem
34.38
KB
-rwxr-xr-x
chpasswd
54.16
KB
-rwxr-xr-x
chroot
38.51
KB
-rwxr-xr-x
convertquota
66.88
KB
-rwxr-xr-x
cpgr
48.29
KB
-rwxr-xr-x
cppw
48.29
KB
-rwxr-xr-x
cracklib-check
14.15
KB
-rwxr-xr-x
cracklib-format
231
B
-rwxr-xr-x
cracklib-packer
14.15
KB
-rwxr-xr-x
cracklib-unpacker
14.15
KB
-rwxr-xr-x
create-cracklib-dict
990
B
-rwxr-xr-x
cron
50.58
KB
-rwxr-xr-x
ctrlaltdel
14.38
KB
-rwxr-xr-x
dcb
80.52
KB
-rwxr-xr-x
ddns-confgen
26.3
KB
-rwxr-xr-x
debugfs
229.8
KB
-rwxr-xr-x
delgroup
16.11
KB
-rwxr-xr-x
deluser
16.11
KB
-rwxr-xr-x
depmod
166.36
KB
-rwxr-xr-x
devlink
142.86
KB
-rwxr-xr-x
dhclient
442.66
KB
-rwxr-xr-x
dhclient-script
15.92
KB
-rwxr-xr-x
dmidecode
122.98
KB
-rwxr-xr-x
dmsetup
171.02
KB
-rwxr-xr-x
dmstats
171.02
KB
-rwxr-xr-x
dosfsck
82.38
KB
-rwxr-xr-x
dosfslabel
38.38
KB
-rwxr-xr-x
dovecot
98.43
KB
-rwxr-xr-x
dovecot_cpshutdown
3.27
KB
-rwxr-xr-x
dpkg-preconfigure
3.58
KB
-rwxr-xr-x
dpkg-reconfigure
4.38
KB
-rwxr-xr-x
dumpe2fs
30.31
KB
-rwxr-xr-x
e2freefrag
14.3
KB
-rwxr-xr-x
e2fsck
351.84
KB
-rwxr-xr-x
e2image
42.31
KB
-rwxr-xr-x
e2label
102.55
KB
-rwxr-xr-x
e2mmpstatus
30.31
KB
-rwxr-xr-x
e2scrub
7.13
KB
-rwxr-xr-x
e2scrub_all
5.27
KB
-rwxr-xr-x
e2undo
22.3
KB
-rwxr-xr-x
e4crypt
30.38
KB
-rwxr-xr-x
e4defrag
30.3
KB
-rwxr-xr-x
ebtables
219.04
KB
-rwxr-xr-x
ebtables-nft
219.04
KB
-rwxr-xr-x
ebtables-nft-restore
219.04
KB
-rwxr-xr-x
ebtables-nft-save
219.04
KB
-rwxr-xr-x
ebtables-restore
219.04
KB
-rwxr-xr-x
ebtables-save
219.04
KB
-rwxr-xr-x
edquota
83.31
KB
-rwxr-xr-x
escapesrc
22.45
KB
-rwxr-xr-x
exicyclog
11.1
KB
-rwxr-xr-x
exigrep
10.52
KB
-rwxr-xr-x
exim
1.69
MB
-rwsr-xr-x
exim_checkaccess
4.83
KB
-rwxr-xr-x
exim_dbmbuild
18.3
KB
-rwxr-xr-x
exim_dumpdb
18.3
KB
-rwxr-xr-x
exim_fixdb
30.3
KB
-rwxr-xr-x
exim_lock
18.3
KB
-rwxr-xr-x
exim_tidydb
18.3
KB
-rwxr-xr-x
eximstats
148.26
KB
-rwxr-xr-x
exinext
7.14
KB
-rwxr-xr-x
exiqgrep
5.66
KB
-rwxr-xr-x
exiqsumm
5.32
KB
-rwxr-xr-x
exiwhat
4.42
KB
-rwxr-xr-x
faillock
14.15
KB
-rwxr-xr-x
fatlabel
38.38
KB
-rwxr-xr-x
fcgistarter
14.15
KB
-rwxr-xr-x
fdisk
110.42
KB
-rwxr-xr-x
filefrag
18.32
KB
-rwxr-xr-x
findfs
14.38
KB
-rwxr-xr-x
fsck
42.42
KB
-rwxr-xr-x
fsck.cramfs
30.44
KB
-rwxr-xr-x
fsck.ext2
351.84
KB
-rwxr-xr-x
fsck.ext3
351.84
KB
-rwxr-xr-x
fsck.ext4
351.84
KB
-rwxr-xr-x
fsck.fat
82.38
KB
-rwxr-xr-x
fsck.minix
54.41
KB
-rwxr-xr-x
fsck.msdos
82.38
KB
-rwxr-xr-x
fsck.vfat
82.38
KB
-rwxr-xr-x
fsfreeze
14.38
KB
-rwxr-xr-x
fstab-decode
18.3
KB
-rwxr-xr-x
fstrim
42.38
KB
-rwxr-xr-x
genccode
14.73
KB
-rwxr-xr-x
gencmn
14.73
KB
-rwxr-xr-x
genl
90.44
KB
-rwxr-xr-x
gennorm2
62.9
KB
-rwxr-xr-x
gensprep
26.8
KB
-rwxr-xr-x
getcap
14.3
KB
-rwxr-xr-x
getpcaps
14.3
KB
-rwxr-xr-x
getty
55.56
KB
-rwxr-xr-x
groupadd
66.91
KB
-rwxr-xr-x
groupdel
62.73
KB
-rwxr-xr-x
groupmems
54.19
KB
-rwxr-xr-x
groupmod
66.82
KB
-rwxr-xr-x
grpck
58.13
KB
-rwxr-xr-x
grpconv
50.01
KB
-rwxr-xr-x
grpunconv
50.01
KB
-rwxr-xr-x
grub-bios-setup
941.42
KB
-rwxr-xr-x
grub-install
1.15
MB
-rwxr-xr-x
grub-macbless
929.11
KB
-rwxr-xr-x
grub-mkconfig
8.6
KB
-rwxr-xr-x
grub-mkdevicemap
215.7
KB
-rwxr-xr-x
grub-probe
941.36
KB
-rwxr-xr-x
grub-reboot
4.73
KB
-rwxr-xr-x
grub-set-default
3.47
KB
-rwxr-xr-x
halt
1.06
MB
-rwxr-xr-x
hdparm
139.43
KB
-rwxr-xr-x
htcacheclean
38.16
KB
-rwxr-xr-x
httpd
687.55
KB
-rwxr-xr-x
hwclock
50.5
KB
-rwxr-xr-x
iconvconfig
30.4
KB
-rwxr-xr-x
icupkg
23.1
KB
-rwxr-xr-x
ifconfig
77.17
KB
-rwxr-xr-x
imunify-notifier
9.02
MB
-rwxr-xr-x
init
1.76
MB
-rwxr-xr-x
insmod
166.36
KB
-rwxr-xr-x
installkernel
2.6
KB
-rwxr-xr-x
invoke-rc.d
16.12
KB
-rwxr-xr-x
ip
702.05
KB
-rwxr-xr-x
ip6tables
219.04
KB
-rwxr-xr-x
ip6tables-apply
6.89
KB
-rwxr-xr-x
ip6tables-legacy
96.95
KB
-rwxr-xr-x
ip6tables-legacy-restore
96.95
KB
-rwxr-xr-x
ip6tables-legacy-save
96.95
KB
-rwxr-xr-x
ip6tables-nft
219.04
KB
-rwxr-xr-x
ip6tables-nft-restore
219.04
KB
-rwxr-xr-x
ip6tables-nft-save
219.04
KB
-rwxr-xr-x
ip6tables-restore
219.04
KB
-rwxr-xr-x
ip6tables-restore-translate
219.04
KB
-rwxr-xr-x
ip6tables-save
219.04
KB
-rwxr-xr-x
ip6tables-translate
219.04
KB
-rwxr-xr-x
ipmaddr
18.3
KB
-rwxr-xr-x
iptables
219.04
KB
-rwxr-xr-x
iptables-apply
6.89
KB
-rwxr-xr-x
iptables-legacy
96.95
KB
-rwxr-xr-x
iptables-legacy-restore
96.95
KB
-rwxr-xr-x
iptables-legacy-save
96.95
KB
-rwxr-xr-x
iptables-nft
219.04
KB
-rwxr-xr-x
iptables-nft-restore
219.04
KB
-rwxr-xr-x
iptables-nft-save
219.04
KB
-rwxr-xr-x
iptables-restore
219.04
KB
-rwxr-xr-x
iptables-restore-translate
219.04
KB
-rwxr-xr-x
iptables-save
219.04
KB
-rwxr-xr-x
iptables-translate
219.04
KB
-rwxr-xr-x
iptunnel
18.3
KB
-rwxr-xr-x
irqbalance
66.86
KB
-rwxr-xr-x
irqbalance-ui
34.38
KB
-rwxr-xr-x
isosize
14.38
KB
-rwxr-xr-x
ispell-autobuildhash
15.56
KB
-rwxr-xr-x
iucode-tool
58.34
KB
-rwxr-xr-x
iucode_tool
58.34
KB
-rwxr-xr-x
iw
279.28
KB
-rwxr-xr-x
kbdrate
18.16
KB
-rwxr-xr-x
key.dns_resolver
30.39
KB
-rwxr-xr-x
killall5
30.38
KB
-rwxr-xr-x
lchage
22.3
KB
-rwxr-xr-x
ldattach
26.38
KB
-rwxr-xr-x
ldconfig
387
B
-rwxr-xr-x
ldconfig.real
1.16
MB
-rwxr-xr-x
lgroupadd
14.3
KB
-rwxr-xr-x
lgroupdel
14.3
KB
-rwxr-xr-x
lgroupmod
22.3
KB
-rwxr-xr-x
libuser-lid
18.3
KB
-rwxr-xr-x
lnewusers
22.3
KB
-rwxr-xr-x
locale-gen
4.29
KB
-rwxr-xr-x
logrotate
102.24
KB
-rwxr-xr-x
logsave
14.16
KB
-rwxr-xr-x
losetup
70.52
KB
-rwxr-xr-x
lpasswd
22.3
KB
-rwxr-xr-x
lsmod
166.36
KB
-rwxr-xr-x
luseradd
22.3
KB
-rwxr-xr-x
luserdel
14.3
KB
-rwxr-xr-x
lusermod
22.3
KB
-rwxr-xr-x
make-ssl-cert
6.65
KB
-rwxr-xr-x
mii-tool
26.73
KB
-rwxr-xr-x
mkdosfs
50.83
KB
-rwxr-xr-x
mke2fs
130.62
KB
-rwxr-xr-x
mkfs
14.38
KB
-rwxr-xr-x
mkfs.bfs
22.38
KB
-rwxr-xr-x
mkfs.cramfs
34.32
KB
-rwxr-xr-x
mkfs.ext2
130.62
KB
-rwxr-xr-x
mkfs.ext3
130.62
KB
-rwxr-xr-x
mkfs.ext4
130.62
KB
-rwxr-xr-x
mkfs.fat
50.83
KB
-rwxr-xr-x
mkfs.minix
42.39
KB
-rwxr-xr-x
mkfs.msdos
50.83
KB
-rwxr-xr-x
mkfs.ntfs
70.38
KB
-rwxr-xr-x
mkfs.vfat
50.83
KB
-rwxr-xr-x
mkhomedir_helper
22.17
KB
-rwxr-xr-x
mkinitramfs
12.16
KB
-rwxr-xr-x
mklost+found
14.3
KB
-rwxr-xr-x
mkntfs
70.38
KB
-rwxr-xr-x
mkswap
46.38
KB
-rwxr-xr-x
modinfo
166.36
KB
-rwxr-xr-x
modprobe
166.36
KB
-rwxr-xr-x
modsec-sdbm-util
22.15
KB
-rwxr-x---
mount.fuse
18.3
KB
-rwxr-xr-x
mount.fuse3
18.3
KB
-rwxr-xr-x
mount.lowntfs-3g
114.98
KB
-rwxr-xr-x
mount.nfs
98.68
KB
-rwsr-xr-x
mount.nfs4
98.68
KB
-rwsr-xr-x
mount.ntfs
159.01
KB
-rwxr-xr-x
mount.ntfs-3g
159.01
KB
-rwxr-xr-x
mountstats
42.28
KB
-rwxr-xr-x
mysqld
58.58
MB
-rwxr-xr-x
named
565.61
KB
-rwxr-xr-x
nameif
14.48
KB
-rwxr-xr-x
needrestart
38.71
KB
-rwxr-xr-x
netfilter-persistent
1.04
KB
-rwxr-xr-x
netplan
798
B
-rwxr-xr-x
newusers
74.73
KB
-rwxr-xr-x
nfnl_osf
18.3
KB
-rwxr-xr-x
nfsconf
38.67
KB
-rwxr-xr-x
nfsidmap
22.31
KB
-rwxr-xr-x
nfsiostat
24.41
KB
-rwxr-xr-x
nfsstat
37.29
KB
-rwxr-xr-x
nft
26.23
KB
-rwxr-xr-x
nologin
14.3
KB
-rwxr-xr-x
nscd
164.34
KB
-rwxr-xr-x
ntfsclone
50.38
KB
-rwxr-xr-x
ntfscp
34.38
KB
-rwxr-xr-x
ntfslabel
22.38
KB
-rwxr-xr-x
ntfsresize
62.39
KB
-rwxr-xr-x
ntfsundelete
50.38
KB
-rwxr-xr-x
on_ac_power
2.18
KB
-rwxr-xr-x
ownership
14.45
KB
-rwxr-xr-x
pam-auth-update
20.5
KB
-rwxr-xr-x
pam_extrausers_chkpwd
22.15
KB
-rwxr-sr-x
pam_extrausers_update
30.15
KB
-rwxr-xr-x
pam_getenv
2.82
KB
-rwxr-xr-x
pam_timestamp_check
14.15
KB
-rwxr-xr-x
paperconfig
4.07
KB
-rwxr-xr-x
parted
86.4
KB
-rwxr-xr-x
partprobe
14.38
KB
-rwxr-xr-x
pdns_server
70.99
MB
-rwxr-xr-x
pivot_root
14.38
KB
-rwxr-xr-x
plipconfig
14.3
KB
-rwxr-xr-x
plymouthd
150.55
KB
-rwxr-xr-x
popcon-largest-unused
543
B
-rwxr-xr-x
popularity-contest
5.49
KB
-rwxr-xr-x
poweroff
1.06
MB
-rwxr-xr-x
pwck
50.13
KB
-rwxr-xr-x
pwconv
46.01
KB
-rwxr-xr-x
pwunconv
42.01
KB
-rwxr-xr-x
quota_nld
26.41
KB
-rwxr-xr-x
quotacheck
91.34
KB
-rwxr-xr-x
quotaoff
54.78
KB
-rwxr-xr-x
quotaon
54.78
KB
-rwxr-xr-x
quotastats
14.15
KB
-rwxr-xr-x
rarp
32.33
KB
-rwxr-xr-x
rdate
18.15
KB
-rwxr-xr-x
readprofile
22.41
KB
-rwxr-xr-x
reboot
1.06
MB
-rwxr-xr-x
remove-default-ispell
2.86
KB
-rwxr-xr-x
remove-default-wordlist
2.86
KB
-rwxr-xr-x
remove-shell
1.07
KB
-rwxr-xr-x
repquota
71.41
KB
-rwxr-xr-x
request-key
26.31
KB
-rwxr-xr-x
resize2fs
66.3
KB
-rwxr-xr-x
rmmod
166.36
KB
-rwxr-xr-x
rmt
58.57
KB
-rwxr-xr-x
rmt-tar
58.57
KB
-rwxr-xr-x
rndc
42.3
KB
-rwxr-xr-x
rndc-confgen
22.3
KB
-rwxr-xr-x
rotatelogs
26.23
KB
-rwxr-xr-x
route
64.27
KB
-rwxr-xr-x
rpc.gssd
86.5
KB
-rwxr-xr-x
rpc.idmapd
46.48
KB
-rwxr-xr-x
rpc.rquotad
75.18
KB
-rwxr-xr-x
rpc.statd
79.05
KB
-rwxr-xr-x
rpc.svcgssd
46.4
KB
-rwxr-xr-x
rpcbind
62.41
KB
-rwxr-xr-x
rpcdebug
18.38
KB
-rwxr-xr-x
rpcinfo
34.48
KB
-rwxr-xr-x
rsyslogd
767.19
KB
-rwxr-xr-x
rtacct
28.31
KB
-rwxr-xr-x
rtcwake
34.38
KB
-rwxr-xr-x
rtmon
90.39
KB
-rwxr-xr-x
runlevel
1.06
MB
-rwxr-xr-x
runq
1.69
MB
-rwsr-xr-x
runuser
54.38
KB
-rwxr-xr-x
safe_finger
14.34
KB
-rwxr-xr-x
select-default-ispell
3.23
KB
-rwxr-xr-x
select-default-wordlist
3.21
KB
-rwxr-xr-x
sendmail
14.15
KB
-rwxr-sr-x
service
8.88
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Code Editor : nfsiostat
#!/usr/bin/python3 # -*- python-mode -*- """Emulate iostat for NFS mount points using /proc/self/mountstats """ from __future__ import print_function __copyright__ = """ Copyright (C) 2005, Chuck Lever <cel@netapp.com> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA """ import sys, os, time from optparse import OptionParser, OptionGroup Iostats_version = '0.2' def difference(x, y): """Used for a map() function """ return x - y NfsEventCounters = [ 'inoderevalidates', 'dentryrevalidates', 'datainvalidates', 'attrinvalidates', 'vfsopen', 'vfslookup', 'vfspermission', 'vfsupdatepage', 'vfsreadpage', 'vfsreadpages', 'vfswritepage', 'vfswritepages', 'vfsreaddir', 'vfssetattr', 'vfsflush', 'vfsfsync', 'vfslock', 'vfsrelease', 'congestionwait', 'setattrtrunc', 'extendwrite', 'sillyrenames', 'shortreads', 'shortwrites', 'delay' ] NfsByteCounters = [ 'normalreadbytes', 'normalwritebytes', 'directreadbytes', 'directwritebytes', 'serverreadbytes', 'serverwritebytes', 'readpages', 'writepages' ] class DeviceData: """DeviceData objects provide methods for parsing and displaying data for a single mount grabbed from /proc/self/mountstats """ def __init__(self): self.__nfs_data = dict() self.__rpc_data = dict() self.__rpc_data['ops'] = [] def __parse_nfs_line(self, words): if words[0] == 'device': self.__nfs_data['export'] = words[1] self.__nfs_data['mountpoint'] = words[4] self.__nfs_data['fstype'] = words[7] if words[7] == 'nfs': self.__nfs_data['statvers'] = words[8] elif 'nfs' in words or 'nfs4' in words: self.__nfs_data['export'] = words[0] self.__nfs_data['mountpoint'] = words[3] self.__nfs_data['fstype'] = words[6] if words[6] == 'nfs': self.__nfs_data['statvers'] = words[7] elif words[0] == 'age:': self.__nfs_data['age'] = int(words[1]) elif words[0] == 'opts:': self.__nfs_data['mountoptions'] = ''.join(words[1:]).split(',') elif words[0] == 'caps:': self.__nfs_data['servercapabilities'] = ''.join(words[1:]).split(',') elif words[0] == 'nfsv4:': self.__nfs_data['nfsv4flags'] = ''.join(words[1:]).split(',') elif words[0] == 'sec:': keys = ''.join(words[1:]).split(',') self.__nfs_data['flavor'] = int(keys[0].split('=')[1]) self.__nfs_data['pseudoflavor'] = 0 if self.__nfs_data['flavor'] == 6: self.__nfs_data['pseudoflavor'] = int(keys[1].split('=')[1]) elif words[0] == 'events:': i = 1 for key in NfsEventCounters: self.__nfs_data[key] = int(words[i]) i += 1 elif words[0] == 'bytes:': i = 1 for key in NfsByteCounters: self.__nfs_data[key] = int(words[i]) i += 1 def __parse_rpc_line(self, words): if words[0] == 'RPC': self.__rpc_data['statsvers'] = float(words[3]) self.__rpc_data['programversion'] = words[5] elif words[0] == 'xprt:': self.__rpc_data['protocol'] = words[1] if words[1] == 'udp': self.__rpc_data['port'] = int(words[2]) self.__rpc_data['bind_count'] = int(words[3]) self.__rpc_data['rpcsends'] = int(words[4]) self.__rpc_data['rpcreceives'] = int(words[5]) self.__rpc_data['badxids'] = int(words[6]) self.__rpc_data['inflightsends'] = int(words[7]) self.__rpc_data['backlogutil'] = int(words[8]) elif words[1] == 'tcp': self.__rpc_data['port'] = words[2] self.__rpc_data['bind_count'] = int(words[3]) self.__rpc_data['connect_count'] = int(words[4]) self.__rpc_data['connect_time'] = int(words[5]) self.__rpc_data['idle_time'] = int(words[6]) self.__rpc_data['rpcsends'] = int(words[7]) self.__rpc_data['rpcreceives'] = int(words[8]) self.__rpc_data['badxids'] = int(words[9]) self.__rpc_data['inflightsends'] = int(words[10]) self.__rpc_data['backlogutil'] = int(words[11]) elif words[1] == 'rdma': self.__rpc_data['port'] = words[2] self.__rpc_data['bind_count'] = int(words[3]) self.__rpc_data['connect_count'] = int(words[4]) self.__rpc_data['connect_time'] = int(words[5]) self.__rpc_data['idle_time'] = int(words[6]) self.__rpc_data['rpcsends'] = int(words[7]) self.__rpc_data['rpcreceives'] = int(words[8]) self.__rpc_data['badxids'] = int(words[9]) self.__rpc_data['backlogutil'] = int(words[10]) self.__rpc_data['read_chunks'] = int(words[11]) self.__rpc_data['write_chunks'] = int(words[12]) self.__rpc_data['reply_chunks'] = int(words[13]) self.__rpc_data['total_rdma_req'] = int(words[14]) self.__rpc_data['total_rdma_rep'] = int(words[15]) self.__rpc_data['pullup'] = int(words[16]) self.__rpc_data['fixup'] = int(words[17]) self.__rpc_data['hardway'] = int(words[18]) self.__rpc_data['failed_marshal'] = int(words[19]) self.__rpc_data['bad_reply'] = int(words[20]) elif words[0] == 'per-op': self.__rpc_data['per-op'] = words else: op = words[0][:-1] self.__rpc_data['ops'] += [op] self.__rpc_data[op] = [int(word) for word in words[1:]] def parse_stats(self, lines): """Turn a list of lines from a mount stat file into a dictionary full of stats, keyed by name """ found = False for line in lines: words = line.split() if len(words) == 0: continue if (not found and words[0] != 'RPC'): self.__parse_nfs_line(words) continue found = True self.__parse_rpc_line(words) def is_nfs_mountpoint(self): """Return True if this is an NFS or NFSv4 mountpoint, otherwise return False """ if self.__nfs_data['fstype'] == 'nfs': return True elif self.__nfs_data['fstype'] == 'nfs4': return True return False def compare_iostats(self, old_stats): """Return the difference between two sets of stats """ result = DeviceData() # copy self into result for key, value in self.__nfs_data.items(): result.__nfs_data[key] = value for key, value in self.__rpc_data.items(): result.__rpc_data[key] = value # compute the difference of each item in the list # note the copy loop above does not copy the lists, just # the reference to them. so we build new lists here # for the result object. for op in result.__rpc_data['ops']: try: result.__rpc_data[op] = list(map( difference, self.__rpc_data[op], old_stats.__rpc_data[op])) except KeyError: continue # update the remaining keys we care about result.__rpc_data['rpcsends'] -= old_stats.__rpc_data['rpcsends'] result.__rpc_data['backlogutil'] -= old_stats.__rpc_data['backlogutil'] for key in NfsEventCounters: result.__nfs_data[key] -= old_stats.__nfs_data[key] for key in NfsByteCounters: result.__nfs_data[key] -= old_stats.__nfs_data[key] return result def __print_data_cache_stats(self): """Print the data cache hit rate """ nfs_stats = self.__nfs_data app_bytes_read = float(nfs_stats['normalreadbytes']) if app_bytes_read != 0: client_bytes_read = float(nfs_stats['serverreadbytes'] - nfs_stats['directreadbytes']) ratio = ((app_bytes_read - client_bytes_read) * 100) / app_bytes_read print() print('app bytes: %f client bytes %f' % (app_bytes_read, client_bytes_read)) print('Data cache hit ratio: %4.2f%%' % ratio) def __print_attr_cache_stats(self, sample_time): """Print attribute cache efficiency stats """ nfs_stats = self.__nfs_data print() print('%d VFS opens' % (nfs_stats['vfsopen'])) print('%d inoderevalidates (forced GETATTRs)' % \ (nfs_stats['inoderevalidates'])) print('%d page cache invalidations' % \ (nfs_stats['datainvalidates'])) print('%d attribute cache invalidations' % \ (nfs_stats['attrinvalidates'])) def __print_dir_cache_stats(self, sample_time): """Print directory stats """ nfs_stats = self.__nfs_data lookup_ops = self.__rpc_data['LOOKUP'][0] readdir_ops = self.__rpc_data['READDIR'][0] if 'READDIRPLUS' in self.__rpc_data: readdir_ops += self.__rpc_data['READDIRPLUS'][0] dentry_revals = nfs_stats['dentryrevalidates'] opens = nfs_stats['vfsopen'] lookups = nfs_stats['vfslookup'] getdents = nfs_stats['vfsreaddir'] print() print('%d open operations (pathname lookups)' % opens) print('%d dentry revalidates and %d vfs lookup requests' % \ (dentry_revals, lookups)) print('resulted in %d LOOKUPs on the wire' % lookup_ops) print('%d vfs getdents calls resulted in %d READDIRs on the wire' % \ (getdents, readdir_ops)) def __print_page_stats(self, sample_time): """Print page cache stats """ nfs_stats = self.__nfs_data vfsreadpage = nfs_stats['vfsreadpage'] vfsreadpages = nfs_stats['vfsreadpages'] pages_read = nfs_stats['readpages'] vfswritepage = nfs_stats['vfswritepage'] vfswritepages = nfs_stats['vfswritepages'] pages_written = nfs_stats['writepages'] print() print('%d nfs_readpage() calls read %d pages' % \ (vfsreadpage, vfsreadpage)) print('%d nfs_readpages() calls read %d pages' % \ (vfsreadpages, pages_read - vfsreadpage)) if vfsreadpages != 0: print('(%.1f pages per call)' % \ (float(pages_read - vfsreadpage) / vfsreadpages)) else: print() print() print('%d nfs_updatepage() calls' % nfs_stats['vfsupdatepage']) print('%d nfs_writepage() calls wrote %d pages' % \ (vfswritepage, vfswritepage)) print('%d nfs_writepages() calls wrote %d pages' % \ (vfswritepages, pages_written - vfswritepage)) if (vfswritepages) != 0: print('(%.1f pages per call)' % \ (float(pages_written - vfswritepage) / vfswritepages)) else: print() congestionwaits = nfs_stats['congestionwait'] if congestionwaits != 0: print() print('%d congestion waits' % congestionwaits) def __print_rpc_op_stats(self, op, sample_time): """Print generic stats for one RPC op """ if op not in self.__rpc_data: return rpc_stats = self.__rpc_data[op] ops = float(rpc_stats[0]) retrans = float(rpc_stats[1] - rpc_stats[0]) kilobytes = float(rpc_stats[3] + rpc_stats[4]) / 1024 queued_for = float(rpc_stats[5]) rtt = float(rpc_stats[6]) exe = float(rpc_stats[7]) if len(rpc_stats) >= 9: errs = float(rpc_stats[8]) # prevent floating point exceptions if ops != 0: kb_per_op = kilobytes / ops retrans_percent = (retrans * 100) / ops rtt_per_op = rtt / ops exe_per_op = exe / ops queued_for_per_op = queued_for / ops if len(rpc_stats) >= 9: errs_percent = (errs * 100) / ops else: kb_per_op = 0.0 retrans_percent = 0.0 rtt_per_op = 0.0 exe_per_op = 0.0 queued_for_per_op = 0.0 if len(rpc_stats) >= 9: errs_percent = 0.0 op += ':' print(format(op.lower(), '<16s'), end='') print(format('ops/s', '>8s'), end='') print(format('kB/s', '>16s'), end='') print(format('kB/op', '>16s'), end='') print(format('retrans', '>16s'), end='') print(format('avg RTT (ms)', '>16s'), end='') print(format('avg exe (ms)', '>16s'), end='') print(format('avg queue (ms)', '>16s'), end='') if len(rpc_stats) >= 9: print(format('errors', '>16s'), end='') print() print(format((ops / sample_time), '>24.3f'), end='') print(format((kilobytes / sample_time), '>16.3f'), end='') print(format(kb_per_op, '>16.3f'), end='') retransmits = '{0:>10.0f} ({1:>3.1f}%)'.format(retrans, retrans_percent).strip() print(format(retransmits, '>16'), end='') print(format(rtt_per_op, '>16.3f'), end='') print(format(exe_per_op, '>16.3f'), end='') print(format(queued_for_per_op, '>16.3f'), end='') if len(rpc_stats) >= 9: errors = '{0:>10.0f} ({1:>3.1f}%)'.format(errs, errs_percent).strip() print(format(errors, '>16'), end='') print() def ops(self, sample_time): sends = float(self.__rpc_data['rpcsends']) if sample_time == 0: sample_time = float(self.__nfs_data['age']) if sample_time == 0: sample_time = 1; return (sends / sample_time) def display_iostats(self, sample_time, which): """Display NFS and RPC stats in an iostat-like way """ sends = float(self.__rpc_data['rpcsends']) if sample_time == 0: sample_time = float(self.__nfs_data['age']) # sample_time could still be zero if the export was just mounted. # Set it to 1 to avoid divide by zero errors in this case since we'll # likely still have relevant mount statistics to show. # if sample_time == 0: sample_time = 1; if sends != 0: backlog = (float(self.__rpc_data['backlogutil']) / sends) / sample_time else: backlog = 0.0 print() print('%s mounted on %s:' % \ (self.__nfs_data['export'], self.__nfs_data['mountpoint'])) print() print(format('ops/s', '>16') + format('rpc bklog', '>16')) print(format((sends / sample_time), '>16.3f'), end='') print(format(backlog, '>16.3f')) print() if which == 0: self.__print_rpc_op_stats('READ', sample_time) self.__print_rpc_op_stats('WRITE', sample_time) elif which == 1: self.__print_rpc_op_stats('GETATTR', sample_time) self.__print_rpc_op_stats('ACCESS', sample_time) self.__print_attr_cache_stats(sample_time) elif which == 2: self.__print_rpc_op_stats('LOOKUP', sample_time) self.__print_rpc_op_stats('READDIR', sample_time) if 'READDIRPLUS' in self.__rpc_data: self.__print_rpc_op_stats('READDIRPLUS', sample_time) self.__print_dir_cache_stats(sample_time) elif which == 3: self.__print_rpc_op_stats('READ', sample_time) self.__print_rpc_op_stats('WRITE', sample_time) self.__print_page_stats(sample_time) sys.stdout.flush() # # Functions # def parse_stats_file(filename): """pop the contents of a mountstats file into a dictionary, keyed by mount point. each value object is a list of the lines in the mountstats file corresponding to the mount point named in the key. """ ms_dict = dict() key = '' f = open(filename) for line in f.readlines(): words = line.split() if len(words) == 0: continue if line.startswith("no device mounted"): continue if words[0] == 'device': key = words[4] new = [ line.strip() ] elif 'nfs' in words or 'nfs4' in words: key = words[3] new = [ line.strip() ] else: new += [ line.strip() ] ms_dict[key] = new f.close return ms_dict def print_iostat_summary(old, new, devices, time, options): stats = {} diff_stats = {} devicelist = [] if old: # Trim device list to only include intersection of old and new data, # this addresses umounts due to autofs mountpoints for device in devices: if "fstype autofs" not in str(old[device]): devicelist.append(device) else: devicelist = devices for device in devicelist: stats[device] = DeviceData() stats[device].parse_stats(new[device]) if old: old_stats = DeviceData() old_stats.parse_stats(old[device]) diff_stats[device] = stats[device].compare_iostats(old_stats) if options.sort: if old: # We now have compared data and can print a comparison # ordered by mountpoint ops per second devicelist.sort(key=lambda x: diff_stats[x].ops(time), reverse=True) else: # First iteration, just sort by newly parsed ops/s devicelist.sort(key=lambda x: stats[x].ops(time), reverse=True) count = 1 for device in devicelist: if old: diff_stats[device].display_iostats(time, options.which) else: stats[device].display_iostats(time, options.which) count += 1 if (count > options.list): return def list_nfs_mounts(givenlist, mountstats): """return a list of NFS mounts given a list to validate or return a full list if the given list is empty - may return an empty list if none found """ devicelist = [] if len(givenlist) > 0: for device in givenlist: stats = DeviceData() stats.parse_stats(mountstats[device]) if stats.is_nfs_mountpoint(): devicelist += [device] else: for device, descr in mountstats.items(): stats = DeviceData() stats.parse_stats(descr) if stats.is_nfs_mountpoint(): devicelist += [device] return devicelist def iostat_command(name): """iostat-like command for NFS mount points """ mountstats = parse_stats_file('/proc/self/mountstats') devices = [] origdevices = [] interval_seen = False count_seen = False mydescription= """ Sample iostat-like program to display NFS client per-mount' statistics. The <interval> parameter specifies the amount of time in seconds between each report. The first report contains statistics for the time since each file system was mounted. Each subsequent report contains statistics collected during the interval since the previous report. If the <count> parameter is specified, the value of <count> determines the number of reports generated at <interval> seconds apart. If the interval parameter is specified without the <count> parameter, the command generates reports continuously. If one or more <mount point> names are specified, statistics for only these mount points will be displayed. Otherwise, all NFS mount points on the client are listed. """ parser = OptionParser( usage="usage: %prog [ <interval> [ <count> ] ] [ <options> ] [ <mount point> ]", description=mydescription, version='version %s' % Iostats_version) parser.set_defaults(which=0, sort=False, list=sys.maxsize) statgroup = OptionGroup(parser, "Statistics Options", 'File I/O is displayed unless one of the following is specified:') statgroup.add_option('-a', '--attr', action="store_const", dest="which", const=1, help='displays statistics related to the attribute cache') statgroup.add_option('-d', '--dir', action="store_const", dest="which", const=2, help='displays statistics related to directory operations') statgroup.add_option('-p', '--page', action="store_const", dest="which", const=3, help='displays statistics related to the page cache') parser.add_option_group(statgroup) displaygroup = OptionGroup(parser, "Display Options", 'Options affecting display format:') displaygroup.add_option('-s', '--sort', action="store_true", dest="sort", help="Sort NFS mount points by ops/second") displaygroup.add_option('-l','--list', action="store", type="int", dest="list", help="only print stats for first LIST mount points") parser.add_option_group(displaygroup) (options, args) = parser.parse_args(sys.argv) for arg in args: if arg == sys.argv[0]: continue if arg in mountstats: origdevices += [arg] elif not interval_seen: try: interval = int(arg) except: print('Illegal <interval> value %s' % arg) return if interval > 0: interval_seen = True else: print('Illegal <interval> value %s' % arg) return elif not count_seen: try: count = int(arg) except: print('Ilegal <count> value %s' % arg) return if count > 0: count_seen = True else: print('Illegal <count> value %s' % arg) return # make certain devices contains only NFS mount points devices = list_nfs_mounts(origdevices, mountstats) if len(devices) == 0: print('No NFS mount points were found') return old_mountstats = None sample_time = 0.0 if not interval_seen: print_iostat_summary(old_mountstats, mountstats, devices, sample_time, options) return if count_seen: while count != 0: print_iostat_summary(old_mountstats, mountstats, devices, sample_time, options) old_mountstats = mountstats time.sleep(interval) sample_time = interval mountstats = parse_stats_file('/proc/self/mountstats') # automount mountpoints add and drop, if automount is involved # we need to recheck the devices list when reparsing devices = list_nfs_mounts(origdevices,mountstats) if len(devices) == 0: print('No NFS mount points were found') return count -= 1 else: while True: print_iostat_summary(old_mountstats, mountstats, devices, sample_time, options) old_mountstats = mountstats time.sleep(interval) sample_time = interval mountstats = parse_stats_file('/proc/self/mountstats') # automount mountpoints add and drop, if automount is involved # we need to recheck the devices list when reparsing devices = list_nfs_mounts(origdevices,mountstats) if len(devices) == 0: print('No NFS mount points were found') return # # Main # prog = os.path.basename(sys.argv[0]) try: iostat_command(prog) except KeyboardInterrupt: print('Caught ^C... exiting') sys.exit(1) sys.exit(0)
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