Linux web-conference.aiou.edu.pk 5.4.0-204-generic #224-Ubuntu SMP Thu Dec 5 13:38:28 UTC 2024 x86_64
Apache/2.4.41 (Ubuntu)
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7.4.3-4ubuntu2.28
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usr /
sbin /
[ HOME SHELL ]
Name
Size
Permission
Action
ModemManager
1.83
MB
-rwxr-xr-x
a2disconf
15.89
KB
-rwxr-xr-x
a2dismod
15.89
KB
-rwxr-xr-x
a2dissite
15.89
KB
-rwxr-xr-x
a2enconf
15.89
KB
-rwxr-xr-x
a2enmod
15.89
KB
-rwxr-xr-x
a2ensite
15.89
KB
-rwxr-xr-x
a2query
9.64
KB
-rwxr-xr-x
aa-remove-unknown
3
KB
-rwxr-xr-x
aa-status
8.63
KB
-rwxr-xr-x
aa-teardown
139
B
-rwxr-xr-x
accessdb
14.38
KB
-rwxr-xr-x
add-shell
860
B
-rwxr-xr-x
addgnupghome
3
KB
-rwxr-xr-x
addgroup
36.9
KB
-rwxr-xr-x
adduser
36.9
KB
-rwxr-xr-x
agetty
67.38
KB
-rwxr-xr-x
apache2
692.07
KB
-rwxr-xr-x
apache2ctl
7.06
KB
-rwxr-xr-x
apachectl
7.06
KB
-rwxr-xr-x
apparmor_parser
1.46
MB
-rwxr-xr-x
apparmor_status
8.63
KB
-rwxr-xr-x
applygnupgdefaults
2.17
KB
-rwxr-xr-x
arp
69.3
KB
-rwxr-xr-x
arpd
78.27
KB
-rwxr-xr-x
arptables
215.32
KB
-rwxr-xr-x
arptables-nft
215.32
KB
-rwxr-xr-x
arptables-nft-restore
215.32
KB
-rwxr-xr-x
arptables-nft-save
215.32
KB
-rwxr-xr-x
arptables-restore
215.32
KB
-rwxr-xr-x
arptables-save
215.32
KB
-rwxr-xr-x
atd
30.01
KB
-rwxr-xr-x
badblocks
34.32
KB
-rwxr-xr-x
bcache-super-show
14.15
KB
-rwxr-xr-x
biosdecode
27.2
KB
-rwxr-xr-x
blkdeactivate
14.49
KB
-rwxr-xr-x
blkdiscard
34.23
KB
-rwxr-xr-x
blkid
118.26
KB
-rwxr-xr-x
blkmapd
34.15
KB
-rwxr-xr-x
blkzone
70.23
KB
-rwxr-xr-x
blockdev
66.23
KB
-rwxr-xr-x
bridge
102.3
KB
-rwxr-xr-x
cache_check
1.29
MB
-rwxr-xr-x
cache_dump
1.29
MB
-rwxr-xr-x
cache_metadata_size
1.29
MB
-rwxr-xr-x
cache_repair
1.29
MB
-rwxr-xr-x
cache_restore
1.29
MB
-rwxr-xr-x
cache_writeback
1.29
MB
-rwxr-xr-x
capsh
30.3
KB
-rwxr-xr-x
cfdisk
102.59
KB
-rwxr-xr-x
cgdisk
206.48
KB
-rwxr-xr-x
chcpu
46.23
KB
-rwxr-xr-x
check_forensic
952
B
-rwxr-xr-x
chgpasswd
66.2
KB
-rwxr-xr-x
chmem
62.23
KB
-rwxr-xr-x
chpasswd
58.2
KB
-rwxr-xr-x
chroot
42.34
KB
-rwxr-xr-x
cpgr
60.34
KB
-rwxr-xr-x
cppw
60.34
KB
-rwxr-xr-x
crda
9.99
KB
-rwxr-xr-x
cron
54.63
KB
-rwxr-xr-x
cryptdisks_start
1.51
KB
-rwxr-xr-x
cryptdisks_stop
844
B
-rwxr-xr-x
cryptsetup
135.54
KB
-rwxr-xr-x
cryptsetup-reencrypt
105.32
KB
-rwxr-xr-x
ctrlaltdel
38.23
KB
-rwxr-xr-x
debugfs
225.8
KB
-rwxr-xr-x
delgroup
16.11
KB
-rwxr-xr-x
deluser
16.11
KB
-rwxr-xr-x
depmod
170.34
KB
-rwxr-xr-x
devlink
150.47
KB
-rwxr-xr-x
dhclient
508.98
KB
-rwxr-xr-x
dhclient-script
15.92
KB
-rwxr-xr-x
dmeventd
50.23
KB
-rwxr-xr-x
dmidecode
119
KB
-rwxr-xr-x
dmsetup
171.02
KB
-rwxr-xr-x
dmstats
171.02
KB
-rwxr-xr-x
dosfsck
58.08
KB
-rwxr-xr-x
dosfslabel
54.08
KB
-rwxr-xr-x
dpkg-preconfigure
3.58
KB
-rwxr-xr-x
dpkg-reconfigure
4.34
KB
-rwxr-xr-x
dumpe2fs
30.38
KB
-rwxr-xr-x
e2freefrag
18.38
KB
-rwxr-xr-x
e2fsck
327.21
KB
-rwxr-xr-x
e2image
42.38
KB
-rwxr-xr-x
e2label
106.55
KB
-rwxr-xr-x
e2mmpstatus
30.38
KB
-rwxr-xr-x
e2scrub
7.13
KB
-rwxr-xr-x
e2scrub_all
5.27
KB
-rwxr-xr-x
e2undo
22.38
KB
-rwxr-xr-x
e4crypt
30.38
KB
-rwxr-xr-x
e4defrag
34.3
KB
-rwxr-xr-x
ebtables
215.32
KB
-rwxr-xr-x
ebtables-nft
215.32
KB
-rwxr-xr-x
ebtables-nft-restore
215.32
KB
-rwxr-xr-x
ebtables-nft-save
215.32
KB
-rwxr-xr-x
ebtables-restore
215.32
KB
-rwxr-xr-x
ebtables-save
215.32
KB
-rwxr-xr-x
era_check
1.29
MB
-rwxr-xr-x
era_dump
1.29
MB
-rwxr-xr-x
era_invalidate
1.29
MB
-rwxr-xr-x
era_restore
1.29
MB
-rwxr-xr-x
ethtool
375.05
KB
-rwxr-xr-x
faillock
14.15
KB
-rwxr-xr-x
fatlabel
54.08
KB
-rwxr-xr-x
fdformat
34.23
KB
-rwxr-xr-x
fdisk
150.27
KB
-rwxr-xr-x
filefrag
18.33
KB
-rwxr-xr-x
findfs
14.23
KB
-rwxr-xr-x
fixparts
74.48
KB
-rwxr-xr-x
fsadm
23.54
KB
-rwxr-xr-x
fsck
54.27
KB
-rwxr-xr-x
fsck.btrfs
1.16
KB
-rwxr-xr-x
fsck.cramfs
38.26
KB
-rwxr-xr-x
fsck.ext2
327.21
KB
-rwxr-xr-x
fsck.ext3
327.21
KB
-rwxr-xr-x
fsck.ext4
327.21
KB
-rwxr-xr-x
fsck.fat
58.08
KB
-rwxr-xr-x
fsck.minix
122.25
KB
-rwxr-xr-x
fsck.msdos
58.08
KB
-rwxr-xr-x
fsck.vfat
58.08
KB
-rwxr-xr-x
fsck.xfs
1.92
KB
-rwxr-xr-x
fsfreeze
14.23
KB
-rwxr-xr-x
fstab-decode
14.3
KB
-rwxr-xr-x
fstrim
70.23
KB
-rwxr-xr-x
gdisk
210.48
KB
-rwxr-xr-x
genl
82.29
KB
-rwxr-xr-x
getcap
14.3
KB
-rwxr-xr-x
getpcaps
14.3
KB
-rwxr-xr-x
getty
67.38
KB
-rwxr-xr-x
groupadd
90.95
KB
-rwxr-xr-x
groupdel
86.77
KB
-rwxr-xr-x
groupmems
62.24
KB
-rwxr-xr-x
groupmod
94.86
KB
-rwxr-xr-x
grpck
62.18
KB
-rwxr-xr-x
grpconv
58.05
KB
-rwxr-xr-x
grpunconv
58.05
KB
-rwxr-xr-x
grub-bios-setup
909.34
KB
-rwxr-xr-x
grub-install
1.11
MB
-rwxr-xr-x
grub-macbless
897.03
KB
-rwxr-xr-x
grub-mkconfig
8.54
KB
-rwxr-xr-x
grub-mkdevicemap
215.7
KB
-rwxr-xr-x
grub-probe
905.28
KB
-rwxr-xr-x
grub-reboot
4.73
KB
-rwxr-xr-x
grub-set-default
3.47
KB
-rwxr-xr-x
halt
973.23
KB
-rwxr-xr-x
hdparm
140.34
KB
-rwxr-xr-x
httxt2dbm
14.15
KB
-rwxr-xr-x
hwclock
102.35
KB
-rwxr-xr-x
iconvconfig
30.4
KB
-rwxr-xr-x
ifconfig
85.11
KB
-rwxr-xr-x
init
1.55
MB
-rwxr-xr-x
insmod
170.34
KB
-rwxr-xr-x
installkernel
2.58
KB
-rwxr-xr-x
integritysetup
60.23
KB
-rwxr-xr-x
invoke-rc.d
16.64
KB
-rwxr-xr-x
ip
597.62
KB
-rwxr-xr-x
ip6tables
96.97
KB
-rwxr-xr-x
ip6tables-apply
6.89
KB
-rwxr-xr-x
ip6tables-legacy
96.97
KB
-rwxr-xr-x
ip6tables-legacy-restore
96.97
KB
-rwxr-xr-x
ip6tables-legacy-save
96.97
KB
-rwxr-xr-x
ip6tables-nft
215.32
KB
-rwxr-xr-x
ip6tables-nft-restore
215.32
KB
-rwxr-xr-x
ip6tables-nft-save
215.32
KB
-rwxr-xr-x
ip6tables-restore
96.97
KB
-rwxr-xr-x
ip6tables-restore-translate
215.32
KB
-rwxr-xr-x
ip6tables-save
96.97
KB
-rwxr-xr-x
ip6tables-translate
215.32
KB
-rwxr-xr-x
ipmaddr
17.99
KB
-rwxr-xr-x
iptables
96.97
KB
-rwxr-xr-x
iptables-apply
6.89
KB
-rwxr-xr-x
iptables-legacy
96.97
KB
-rwxr-xr-x
iptables-legacy-restore
96.97
KB
-rwxr-xr-x
iptables-legacy-save
96.97
KB
-rwxr-xr-x
iptables-nft
215.32
KB
-rwxr-xr-x
iptables-nft-restore
215.32
KB
-rwxr-xr-x
iptables-nft-save
215.32
KB
-rwxr-xr-x
iptables-restore
96.97
KB
-rwxr-xr-x
iptables-restore-translate
215.32
KB
-rwxr-xr-x
iptables-save
96.97
KB
-rwxr-xr-x
iptables-translate
215.32
KB
-rwxr-xr-x
iptunnel
25.99
KB
-rwxr-xr-x
irqbalance
62.92
KB
-rwxr-xr-x
irqbalance-ui
34.38
KB
-rwxr-xr-x
iscsi-iname
18.15
KB
-rwxr-xr-x
iscsi_discovery
5.16
KB
-rwxr-xr-x
iscsiadm
394.1
KB
-rwxr-xr-x
iscsid
410.3
KB
-rwxr-xr-x
iscsistart
366.29
KB
-rwxr-xr-x
isosize
30.23
KB
-rwxr-xr-x
iucode-tool
54.18
KB
-rwxr-xr-x
iucode_tool
54.18
KB
-rwxr-xr-x
iw
262.82
KB
-rwxr-xr-x
kbdrate
13.99
KB
-rwxr-xr-x
key.dns_resolver
30.39
KB
-rwxr-xr-x
killall5
26.38
KB
-rwxr-xr-x
kpartx
46.16
KB
-rwxr-xr-x
ldattach
34.23
KB
-rwxr-xr-x
ldconfig
387
B
-rwxr-xr-x
ldconfig.real
1
MB
-rwxr-xr-x
locale-gen
4.3
KB
-rwxr-xr-x
logrotate
82.09
KB
-rwxr-xr-x
logsave
14.16
KB
-rwxr-xr-x
losetup
110.34
KB
-rwxr-xr-x
lsmod
170.34
KB
-rwxr-xr-x
luksformat
3.32
KB
-rwxr-xr-x
lvchange
2.73
MB
-rwxr-xr-x
lvconvert
2.73
MB
-rwxr-xr-x
lvcreate
2.73
MB
-rwxr-xr-x
lvdisplay
2.73
MB
-rwxr-xr-x
lvextend
2.73
MB
-rwxr-xr-x
lvm
2.73
MB
-rwxr-xr-x
lvmconfig
2.73
MB
-rwxr-xr-x
lvmdiskscan
2.73
MB
-rwxr-xr-x
lvmdump
10.07
KB
-rwxr-xr-x
lvmpolld
232.05
KB
-rwxr-xr-x
lvmsadc
2.73
MB
-rwxr-xr-x
lvmsar
2.73
MB
-rwxr-xr-x
lvreduce
2.73
MB
-rwxr-xr-x
lvremove
2.73
MB
-rwxr-xr-x
lvrename
2.73
MB
-rwxr-xr-x
lvresize
2.73
MB
-rwxr-xr-x
lvs
2.73
MB
-rwxr-xr-x
lvscan
2.73
MB
-rwxr-xr-x
make-bcache
22.23
KB
-rwxr-xr-x
make-ssl-cert
3.78
KB
-rwxr-xr-x
mdadm
589.65
KB
-rwxr-xr-x
mdmon
325.49
KB
-rwxr-xr-x
mii-tool
26.46
KB
-rwxr-xr-x
mkdosfs
34.5
KB
-rwxr-xr-x
mke2fs
134.62
KB
-rwxr-xr-x
mkfs
14.23
KB
-rwxr-xr-x
mkfs.bfs
34.23
KB
-rwxr-xr-x
mkfs.btrfs
451.53
KB
-rwxr-xr-x
mkfs.cramfs
42.16
KB
-rwxr-xr-x
mkfs.ext2
134.62
KB
-rwxr-xr-x
mkfs.ext3
134.62
KB
-rwxr-xr-x
mkfs.ext4
134.62
KB
-rwxr-xr-x
mkfs.fat
34.5
KB
-rwxr-xr-x
mkfs.minix
106.23
KB
-rwxr-xr-x
mkfs.msdos
34.5
KB
-rwxr-xr-x
mkfs.ntfs
86.27
KB
-rwxr-xr-x
mkfs.vfat
34.5
KB
-rwxr-xr-x
mkfs.xfs
366.24
KB
-rwxr-xr-x
mkhomedir_helper
22.17
KB
-rwxr-xr-x
mkinitramfs
11.55
KB
-rwxr-xr-x
mklost+found
14.3
KB
-rwxr-xr-x
mkntfs
86.27
KB
-rwxr-xr-x
mkswap
106.23
KB
-rwxr-xr-x
modinfo
170.34
KB
-rwxr-xr-x
modprobe
170.34
KB
-rwxr-xr-x
mount.fuse
14.15
KB
-rwxr-xr-x
mount.lowntfs-3g
118.86
KB
-rwxr-xr-x
mount.nfs
118.84
KB
-rwsr-xr-x
mount.nfs4
118.84
KB
-rwsr-xr-x
mount.ntfs
158.89
KB
-rwxr-xr-x
mount.ntfs-3g
158.89
KB
-rwxr-xr-x
mount.vmhgfs
46.48
KB
-rwxr-xr-x
mountstats
35.02
KB
-rwxr-xr-x
mpathpersist
31.05
KB
-rwxr-xr-x
multipath
34.15
KB
-rwxr-xr-x
multipathd
126.2
KB
-rwxr-xr-x
mysqld
64.23
MB
-rwxr-xr-x
nameif
18.14
KB
-rwxr-xr-x
netplan
798
B
-rwxr-xr-x
newusers
98.8
KB
-rwxr-xr-x
nfnl_osf
18.3
KB
-rwxr-xr-x
nfsidmap
22.26
KB
-rwxr-xr-x
nfsiostat
23.35
KB
-rwxr-xr-x
nfsstat
37.12
KB
-rwxr-xr-x
nologin
14.3
KB
-rwxr-xr-x
ntfsclone
58.27
KB
-rwxr-xr-x
ntfscp
42.26
KB
-rwxr-xr-x
ntfslabel
34.26
KB
-rwxr-xr-x
ntfsresize
78.27
KB
-rwxr-xr-x
ntfsundelete
54.26
KB
-rwxr-xr-x
on_ac_power
2.18
KB
-rwxr-xr-x
osd_login
2.53
KB
-rwxr-xr-x
overlayroot-chroot
2.45
KB
-rwxr-xr-x
ownership
14.45
KB
-rwxr-xr-x
pam-auth-update
19.86
KB
-rwxr-xr-x
pam_extrausers_chkpwd
42.16
KB
-rwxr-sr-x
pam_extrausers_update
42.16
KB
-rwxr-xr-x
pam_getenv
2.82
KB
-rwxr-xr-x
pam_tally
14.16
KB
-rwxr-xr-x
pam_tally2
18.16
KB
-rwxr-xr-x
pam_timestamp_check
14.15
KB
-rwxr-xr-x
parted
86.25
KB
-rwxr-xr-x
partprobe
14.23
KB
-rwxr-xr-x
pdata_tools
1.29
MB
-rwxr-xr-x
phpdismod
7.11
KB
-rwxr-xr-x
phpenmod
7.11
KB
-rwxr-xr-x
phpquery
6.24
KB
-rwxr-xr-x
pivot_root
14.23
KB
-rwxr-xr-x
plipconfig
14
KB
-rwxr-xr-x
plymouthd
146.41
KB
-rwxr-xr-x
popcon-largest-unused
543
B
-rwxr-xr-x
popularity-contest
5.23
KB
-rwxr-xr-x
poweroff
973.23
KB
-rwxr-xr-x
pvchange
2.73
MB
-rwxr-xr-x
pvck
2.73
MB
-rwxr-xr-x
pvcreate
2.73
MB
-rwxr-xr-x
pvdisplay
2.73
MB
-rwxr-xr-x
pvmove
2.73
MB
-rwxr-xr-x
pvremove
2.73
MB
-rwxr-xr-x
pvresize
2.73
MB
-rwxr-xr-x
pvs
2.73
MB
-rwxr-xr-x
pvscan
2.73
MB
-rwxr-xr-x
pwck
58.17
KB
-rwxr-xr-x
pwconv
54.05
KB
-rwxr-xr-x
pwunconv
54.05
KB
-rwxr-xr-x
rarp
40.45
KB
-rwxr-xr-x
raw
14.23
KB
-rwxr-xr-x
readprofile
22.26
KB
-rwxr-xr-x
reboot
973.23
KB
-rwxr-xr-x
regdbdump
9.99
KB
-rwxr-xr-x
remove-shell
904
B
-rwxr-xr-x
request-key
26.39
KB
-rwxr-xr-x
resize2fs
66.38
KB
-rwxr-xr-x
rmmod
170.34
KB
-rwxr-xr-x
rmt
58.55
KB
-rwxr-xr-x
rmt-tar
58.55
KB
-rwxr-xr-x
route
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62.29
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Code Editor : nfsiostat
#!/usr/bin/python3 # -*- python-mode -*- """Emulate iostat for NFS mount points using /proc/self/mountstats """ __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 list(self.__nfs_data.items()): result.__nfs_data[key] = value for key, value in list(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']: result.__rpc_data[op] = list(map( difference, self.__rpc_data[op], old_stats.__rpc_data[op])) # 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 rtt = float(rpc_stats[6]) exe = float(rpc_stats[7]) # 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 else: kb_per_op = 0.0 retrans_percent = 0.0 rtt_per_op = 0.0 exe_per_op = 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')) 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')) def ops(self, sample_time): sends = float(self.__rpc_data['rpcsends']) if sample_time == 0: sample_time = float(self.__nfs_data['age']) 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 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 = {} if old: # Trim device list to only include intersection of old and new data, # this addresses umounts due to autofs mountpoints devicelist = [x for x in old if x in devices] 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 list(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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