Gecko [ ifk.uw.edu.pl ]

Name	Size	Permission
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	14.23 KB	-rwxr-xr-x
acpid	54.71 KB	-rwxr-xr-x
add-shell	860 B	-rwxr-xr-x
addgnupghome	3 KB	-rwxr-xr-x
addgroup	33.71 KB	-rwxr-xr-x
adduser	33.71 KB	-rwxr-xr-x
apache2	707.95 KB	-rwxr-xr-x
apache2ctl	7.06 KB	-rwxr-xr-x
apachectl	7.06 KB	-rwxr-xr-x
apparmor_status	8.63 KB	-rwxr-xr-x
applygnupgdefaults	2.17 KB	-rwxr-xr-x
arp	65.93 KB	-rwxr-xr-x
arpd	75.13 KB	-rwxr-xr-x
arptables	217.42 KB	-rwxr-xr-x
arptables-nft	217.42 KB	-rwxr-xr-x
arptables-nft-restore	217.42 KB	-rwxr-xr-x
arptables-nft-save	217.42 KB	-rwxr-xr-x
arptables-restore	217.42 KB	-rwxr-xr-x
arptables-save	217.42 KB	-rwxr-xr-x
aspell-autobuildhash	13.22 KB	-rwxr-xr-x
atd	30.01 KB	-rwxr-xr-x
biosdecode	22.9 KB	-rwxr-xr-x
blkmapd	30.53 KB	-rwxr-xr-x
check_forensic	952 B	-rwxr-xr-x
chgpasswd	57.83 KB	-rwxr-xr-x
chmem	58.08 KB	-rwxr-xr-x
chpasswd	53.86 KB	-rwxr-xr-x
chroot	42.75 KB	-rwxr-xr-x
cpgr	55.96 KB	-rwxr-xr-x
cppw	55.96 KB	-rwxr-xr-x
cron	54.48 KB	-rwxr-xr-x
dbconfig-generate-include	12.37 KB	-rwxr-xr-x
dbconfig-load-include	5.57 KB	-rwxr-xr-x
delgroup	15.41 KB	-rwxr-xr-x
deluser	15.41 KB	-rwxr-xr-x
dkms	138.51 KB	-rwxr-xr-x
dmidecode	114.7 KB	-rwxr-xr-x
dpkg-preconfigure	3.58 KB	-rwxr-xr-x
dpkg-reconfigure	4.34 KB	-rwxr-xr-x
e2freefrag	14.07 KB	-rwxr-xr-x
e4crypt	26.07 KB	-rwxr-xr-x
e4defrag	33.99 KB	-rwxr-xr-x
ebtables	217.42 KB	-rwxr-xr-x
ebtables-nft	217.42 KB	-rwxr-xr-x
ebtables-nft-restore	217.42 KB	-rwxr-xr-x
ebtables-nft-save	217.42 KB	-rwxr-xr-x
ebtables-restore	217.42 KB	-rwxr-xr-x
ebtables-save	217.42 KB	-rwxr-xr-x
exicyclog	11.03 KB	-rwxr-xr-x
exigrep	10.25 KB	-rwxr-xr-x
exim	1.13 MB	-rwsr-xr-x
exim4	1.13 MB	-rwsr-xr-x
exim_checkaccess	4.74 KB	-rwxr-xr-x
exim_convert4r4	72.76 KB	-rwxr-xr-x
exim_dbmbuild	18 KB	-rwxr-xr-x
exim_dumpdb	22.01 KB	-rwxr-xr-x
exim_fixdb	26.01 KB	-rwxr-xr-x
exim_lock	17.99 KB	-rwxr-xr-x
exim_tidydb	22.01 KB	-rwxr-xr-x
eximstats	148.03 KB	-rwxr-xr-x
exinext	8.08 KB	-rwxr-xr-x
exipick	58.93 KB	-rwxr-xr-x
exiqgrep	5.1 KB	-rwxr-xr-x
exiqsumm	5.04 KB	-rwxr-xr-x
exiwhat	4.34 KB	-rwxr-xr-x
fdformat	34.08 KB	-rwxr-xr-x
filefrag	18.02 KB	-rwxr-xr-x
firewalld	6.86 KB	-rwxr-xr-x
genl	79.05 KB	-rwxr-xr-x
groupadd	65.89 KB	-rwxr-xr-x
groupdel	57.68 KB	-rwxr-xr-x
groupmems	57.87 KB	-rwxr-xr-x
groupmod	72.18 KB	-rwxr-xr-x
grpck	57.8 KB	-rwxr-xr-x
grpconv	53.68 KB	-rwxr-xr-x
grpunconv	53.68 KB	-rwxr-xr-x
grub-bios-setup	926.37 KB	-rwxr-xr-x
grub-install	1.13 MB	-rwxr-xr-x
grub-macbless	914.02 KB	-rwxr-xr-x
grub-mkconfig	8.42 KB	-rwxr-xr-x
grub-mkdevicemap	212.49 KB	-rwxr-xr-x
grub-probe	926.34 KB	-rwxr-xr-x
grub-reboot	4.73 KB	-rwxr-xr-x
grub-set-default	3.47 KB	-rwxr-xr-x
httxt2dbm	13.99 KB	-rwxr-xr-x
iconvconfig	30.66 KB	-rwxr-xr-x
iftop	66.65 KB	-rwxr-xr-x
invoke-rc.d	16.64 KB	-rwxr-xr-x
ip6tables	100.68 KB	-rwxr-xr-x
ip6tables-apply	6.89 KB	-rwxr-xr-x
ip6tables-legacy	100.68 KB	-rwxr-xr-x
ip6tables-legacy-restore	100.68 KB	-rwxr-xr-x
ip6tables-legacy-save	100.68 KB	-rwxr-xr-x
ip6tables-nft	217.42 KB	-rwxr-xr-x
ip6tables-nft-restore	217.42 KB	-rwxr-xr-x
ip6tables-nft-save	217.42 KB	-rwxr-xr-x
ip6tables-restore	100.68 KB	-rwxr-xr-x
ip6tables-restore-translate	217.42 KB	-rwxr-xr-x
ip6tables-save	100.68 KB	-rwxr-xr-x
ip6tables-translate	217.42 KB	-rwxr-xr-x
iptables	100.68 KB	-rwxr-xr-x
iptables-apply	6.89 KB	-rwxr-xr-x
iptables-legacy	100.68 KB	-rwxr-xr-x
iptables-legacy-restore	100.68 KB	-rwxr-xr-x
iptables-legacy-save	100.68 KB	-rwxr-xr-x
iptables-nft	217.42 KB	-rwxr-xr-x
iptables-nft-restore	217.42 KB	-rwxr-xr-x
iptables-nft-save	217.42 KB	-rwxr-xr-x
iptables-restore	100.68 KB	-rwxr-xr-x
iptables-restore-translate	217.42 KB	-rwxr-xr-x
iptables-save	100.68 KB	-rwxr-xr-x
iptables-translate	217.42 KB	-rwxr-xr-x
iptaccount	10.3 KB	-rwxr-xr-x
iptraf-ng	160.01 KB	-rwxr-xr-x
irqbalance	63.41 KB	-rwxr-xr-x
irqbalance-ui	34.67 KB	-rwxr-xr-x
ispell-autobuildhash	15.39 KB	-rwxr-xr-x
ldattach	30.08 KB	-rwxr-xr-x
locale-gen	1.5 KB	-rwxr-xr-x
logrotate	82.09 KB	-rwxr-xr-x
make-ssl-cert	3.78 KB	-rwxr-xr-x
mkinitramfs	11.13 KB	-rwxr-xr-x
mklost+found	13.99 KB	-rwxr-xr-x
mountstats	35.03 KB	-rwxr-xr-x
mysqld	19.99 MB	-rwxr-xr-x
netfilter-persistent	1.04 KB	-rwxr-xr-x
nethogs	58.2 KB	-rwxr-xr-x
newusers	86.39 KB	-rwxr-xr-x
nfacct	21.99 KB	-rwxr-xr-x
nfnl_osf	17.99 KB	-rwxr-xr-x
nfsidmap	22.59 KB	-rwxr-xr-x
nfsiostat	23.35 KB	-rwxr-xr-x
nfsstat	33.26 KB	-rwxr-xr-x
nft	18.07 KB	-rwxr-xr-x
nologin	13.99 KB	-rwxr-xr-x
ownership	14.13 KB	-rwxr-xr-x
pam-auth-update	19.78 KB	-rwxr-xr-x
pam_getenv	2.82 KB	-rwxr-xr-x
pam_timestamp_check	14.3 KB	-rwxr-xr-x
paperconfig	4.07 KB	-rwxr-xr-x
php-fpm5.6	4.35 MB	-rwxr-xr-x
php-fpm7.0	4.28 MB	-rwxr-xr-x
php-fpm7.2	4.76 MB	-rwxr-xr-x
php-fpm7.3	4.56 MB	-rwxr-xr-x
php-fpm7.4	4.52 MB	-rwxr-xr-x
php-fpm8.2	5.34 MB	-rwxr-xr-x
php5dismod	6.21 KB	-rwxr-xr-x
php5enmod	6.21 KB	-rwxr-xr-x
php5query	5.05 KB	-rwxr-xr-x
phpdismod	7.11 KB	-rwxr-xr-x
phpenmod	7.11 KB	-rwxr-xr-x
phpquery	6.24 KB	-rwxr-xr-x
pma-configure	299 B	-rwxr-xr-x
pma-secure	157 B	-rwxr-xr-x
pwck	53.8 KB	-rwxr-xr-x
pwconv	49.7 KB	-rwxr-xr-x
pwunconv	49.68 KB	-rwxr-xr-x
readprofile	22.11 KB	-rwxr-xr-x
remove-default-ispell	2.86 KB	-rwxr-xr-x
remove-default-wordlist	2.86 KB	-rwxr-xr-x
remove-shell	904 B	-rwxr-xr-x
rmail	1.13 MB	-rwsr-xr-x
rmt	58.96 KB	-rwxr-xr-x
rmt-tar	58.96 KB	-rwxr-xr-x
rpc.gssd	75.78 KB	-rwxr-xr-x
rpc.idmapd	39.16 KB	-rwxr-xr-x
rpc.svcgssd	34.95 KB	-rwxr-xr-x
rpcdebug	18.33 KB	-rwxr-xr-x
rpcinfo	34.16 KB	-rwxr-xr-x
rsmtp	1.13 MB	-rwsr-xr-x
rsyslogd	685.64 KB	-rwxr-xr-x
rtcwake	46.08 KB	-rwxr-xr-x
runq	1.13 MB	-rwsr-xr-x
rvnamed-ng	14.34 KB	-rwxr-xr-x
saned	54.28 KB	-rwxr-xr-x
select-default-ispell	3.23 KB	-rwxr-xr-x
select-default-wordlist	3.21 KB	-rwxr-xr-x
sendmail	1.13 MB	-rwsr-xr-x
service	9.05 KB	-rwxr-xr-x
setvesablank	14.3 KB	-rwxr-xr-x
split-logfile	2.36 KB	-rwxr-xr-x
sshd	792.41 KB	-rwxr-xr-x
start-statd	838 B	-rwxr-xr-x
syslog2eximlog	1.41 KB	-rwxr-xr-x
tarcat	936 B	-rwxr-xr-x
tcptraceroute	1.56 KB	-rwxr-xr-x
tcptraceroute.db	1.56 KB	-rwxr-xr-x
traceroute	67.16 KB	-rwxr-xr-x
tzconfig	106 B	-rwxr-xr-x
update-ca-certificates	5.18 KB	-rwxr-xr-x
update-default-aspell	1 KB	-rwxr-xr-x
update-default-ispell	9.68 KB	-rwxr-xr-x
update-default-wordlist	7.5 KB	-rwxr-xr-x
update-dictcommon-aspell	1 KB	-rwxr-xr-x
update-dictcommon-hunspell	782 B	-rwxr-xr-x
update-exim4.conf	14.72 KB	-rwxr-xr-x
update-exim4.conf.template	3.33 KB	-rwxr-xr-x
update-exim4defaults	8.2 KB	-rwxr-xr-x
update-fmtutil	9.58 KB	-rwxr-xr-x
update-grub	64 B	-rwxr-xr-x
update-grub2	64 B	-rwxr-xr-x
update-gsfontmap	470 B	-rwxr-xr-x
update-icon-caches	596 B	-rwxr-xr-x
update-inetd	5.83 KB	-rwxr-xr-x
update-info-dir	1.66 KB	-rwxr-xr-x
update-initramfs	7.16 KB	-rwxr-xr-x
update-java-alternatives	3.09 KB	-rwxr-xr-x
update-language	9.37 KB	-rwxr-xr-x
update-language-dat	9.37 KB	-rwxr-xr-x
update-language-def	9.37 KB	-rwxr-xr-x
update-language-lua	9.37 KB	-rwxr-xr-x
update-locale	2.99 KB	-rwxr-xr-x
update-mime	8.84 KB	-rwxr-xr-x
update-passwd	34.41 KB	-rwxr-xr-x
update-pciids	2.84 KB	-rwxr-xr-x
update-python-modules	19.33 KB	-rwxr-xr-x
update-rc.d	16.76 KB	-rwxr-xr-x
update-texmf	2.6 KB	-rwxr-xr-x
update-texmf-config	1.5 KB	-rwxr-xr-x
update-tl-stacked-conffile	9.58 KB	-rwxr-xr-x
update-updmap	9.58 KB	-rwxr-xr-x
upgrade-from-grub-legacy	1.56 KB	-rwxr-xr-x
useradd	127.25 KB	-rwxr-xr-x
userdel	90.45 KB	-rwxr-xr-x
usermod	123.06 KB	-rwxr-xr-x
validlocale	1.73 KB	-rwxr-xr-x
vcstime	14.18 KB	-rwxr-xr-x
vigr	60.18 KB	-rwxr-xr-x
vipw	60.18 KB	-rwxr-xr-x
visudo	205.79 KB	-rwxr-xr-x
vpddecode	14.27 KB	-rwxr-xr-x
xtables-legacy-multi	100.68 KB	-rwxr-xr-x
xtables-monitor	217.42 KB	-rwxr-xr-x
xtables-nft-multi	217.42 KB	-rwxr-xr-x
zic	54.55 KB	-rwxr-xr-x

Code Editor : nfsiostat

#!/usr/bin/python
# -*- 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']:
            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
    """
    list = []
    if len(givenlist) > 0:
        for device in givenlist:
            stats = DeviceData()
            stats.parse_stats(mountstats[device])
            if stats.is_nfs_mountpoint():
                list += [device]
    else:
        for device, descr in mountstats.items():
            stats = DeviceData()
            stats.parse_stats(descr)
            if stats.is_nfs_mountpoint():
                list += [device]
    return list

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)

${this.title}

Code Editor : nfsiostat