Gecko [ 122.154.134.11 ]

Name	Size	Permission
.ipsec.hmac	65 B	-rw-r--r--
.sshd.hmac	65 B	-rw-r--r--
abrt-auto-reporting	24.84 KB	-rwxr-xr-x
abrt-dbus	32.25 KB	-rwxr-xr-x
abrt-install-ccpp-hook	2.77 KB	-rwxr-xr-x
abrt-server	28.77 KB	-rwxr-xr-x
abrtd	26.02 KB	-rwxr-xr-x
accept	10.24 KB	-rwxr-xr-x
accton	10.45 KB	-rwxr-xr-x
adcli	140.36 KB	-rwxr-xr-x
addgnupghome	3.05 KB	-rwxr-xr-x
adduser	108.71 KB	-rwxr-x---
alsa-delay	19.12 KB	-rwxr-xr-x
alsactl	101.37 KB	-rwxr-xr-x
alternatives	27.9 KB	-rwxr-xr-x
anacron	38.05 KB	-rwxr-xr-x
applygnupgdefaults	2.21 KB	-rwxr-xr-x
arpaname	15.68 KB	-rwxr-xr-x
arpd	41.7 KB	-rwxr-xr-x
arping	17.48 KB	-rwxr-xr-x
atrun	67 B	-rwxr-xr-x
authconfig	37.79 KB	-rwxr-xr-x
authconfig-tui	37.79 KB	-rwxr-xr-x
avcstat	13.66 KB	-rwxr-xr-x
biosdecode	17.77 KB	-rwxr-xr-x
brctl	36.81 KB	-rwxr-xr-x
build-locale-archive	741.4 KB	-rwx------
cacertdir_rehash	644 B	-rwxr-xr-x
cache_check	1.54 MB	-rwxr-xr-x
cache_dump	1.54 MB	-rwxr-xr-x
cache_metadata_size	1.54 MB	-rwxr-xr-x
cache_repair	1.54 MB	-rwxr-xr-x
cache_restore	1.54 MB	-rwxr-xr-x
capsh	16.23 KB	-rwxr-xr-x
chpasswd	49.65 KB	-rwxr-xr-x
chroot	31.03 KB	-rwxr-xr-x
cifs.idmap	10.27 KB	-rwxr-xr-x
cifs.upcall	38.75 KB	-rwxr-xr-x
ck-log-system-restart	18.7 KB	-rwxr-xr-x
ck-log-system-start	18.99 KB	-rwxr-xr-x
ck-log-system-stop	18.7 KB	-rwxr-xr-x
clockdiff	15.16 KB	-rwxr-xr-x
console-kit-daemon	155.27 KB	-rwxr-xr-x
convertquota	68.76 KB	-rwxr-xr-x
cpuspeed	22.05 KB	-rwxr-xr-x
cracklib-check	8.8 KB	-rwxr-xr-x
cracklib-format	218 B	-rwxr-xr-x
cracklib-packer	9.31 KB	-rwxr-xr-x
cracklib-unpacker	8.45 KB	-rwxr-xr-x
crda	13.67 KB	-rwxr-xr-x
create-cracklib-dict	990 B	-rwxr-xr-x
cupsaccept	10.24 KB	-rwxr-xr-x
cupsaddsmb	10.3 KB	-rwxr-xr-x
cupsctl	10.28 KB	-rwxr-xr-x
cupsdisable	10.24 KB	-rwxr-xr-x
cupsenable	10.24 KB	-rwxr-xr-x
cupsfilter	28.05 KB	-rwxr-xr-x
cupsreject	10.24 KB	-rwxr-xr-x
ddns-confgen	26.23 KB	-rwxr-xr-x
dmidecode	80.12 KB	-rwxr-xr-x
dnssec-dsfromkey	40.04 KB	-rwxr-xr-x
dnssec-keyfromlabel	39.27 KB	-rwxr-xr-x
dnssec-keygen	47.87 KB	-rwxr-xr-x
dnssec-revoke	32.86 KB	-rwxr-xr-x
dnssec-settime	38.97 KB	-rwxr-xr-x
dnssec-signzone	94.63 KB	-rwxr-xr-x
dump-acct	14.29 KB	-rwxr-xr-x
dump-utmp	14.37 KB	-rwxr-xr-x
e2freefrag	14.12 KB	-rwxr-xr-x
edquota	80.72 KB	-rwxr-xr-x
efibootmgr	49.73 KB	-rwxr-xr-x
eject	31.36 KB	-rwxr-xr-x
era_check	1.54 MB	-rwxr-xr-x
era_dump	1.54 MB	-rwxr-xr-x
era_invalidate	1.54 MB	-rwxr-xr-x
era_restore	1.54 MB	-rwxr-xr-x
ethtool	233.75 KB	-rwxr-xr-x
exportfs	59.65 KB	-rwxr-xr-x
fdformat	11.15 KB	-rwxr-xr-x
filefrag	13.55 KB	-rwxr-xr-x
foomatic-addpjloptions	29.16 KB	-rwxr-xr-x
foomatic-cleanupdrivers	1.34 KB	-rwxr-xr-x
foomatic-extract-text	4.46 KB	-rwxr-xr-x
foomatic-fix-xml	1.5 KB	-rwxr-xr-x
foomatic-getpjloptions	2.09 KB	-rwxr-xr-x
foomatic-kitload	3.17 KB	-rwxr-xr-x
foomatic-nonumericalids	4.39 KB	-rwxr-xr-x
foomatic-preferred-driver	9.1 KB	-rwxr-xr-x
foomatic-printermap-to-gutenpr...	4.99 KB	-rwxr-xr-x
foomatic-replaceoldprinterids	2.54 KB	-rwxr-xr-x
genhomedircon	33 B	-rwxr-xr-x
genrandom	17.37 KB	-rwxr-xr-x
getcap	10.02 KB	-rwxr-xr-x
getenforce	8.55 KB	-rwxr-xr-x
getpcaps	9.05 KB	-rwxr-xr-x
getsebool	10.42 KB	-rwxr-xr-x
glibc_post_upgrade.x86_64	676.62 KB	-rwx------
groupadd	57.71 KB	-rwxr-x---
groupdel	53.52 KB	-rwxr-x---
groupmems	53.67 KB	-rwxr-x---
groupmod	71.95 KB	-rwxr-x---
grpck	53.63 KB	-rwxr-xr-x
grpconv	49.52 KB	-rwxr-xr-x
grpunconv	49.52 KB	-rwxr-xr-x
htcacheclean	19.52 KB	-rwxr-xr-x
httpd	358.53 KB	-rwxr-xr-x
httpd.event	370.79 KB	-rwxr-xr-x
httpd.worker	370.79 KB	-rwxr-xr-x
httxt2dbm	10.93 KB	-rwxr-xr-x
hwclock	47.52 KB	-rwxr-xr-x
iconvconfig	25.89 KB	-rwxr-xr-x
iconvconfig.x86_64	25.89 KB	-rwxr-xr-x
iotop	452 B	-rwxr-xr-x
ipa-client-automount	17.82 KB	-rwxr-xr-x
ipa-client-install	100.75 KB	-rwxr-xr-x
ipa-getkeytab	37.9 KB	-rwxr-xr-x
ipa-join	40.68 KB	-rwxr-xr-x
ipa-rmkeytab	17.28 KB	-rwxr-xr-x
ipsec	11.82 KB	-rwxr-xr-x
isc-hmac-fixup	18.7 KB	-rwxr-xr-x
krb5-send-pr	14.16 KB	-rwxr-xr-x
latencytop	44.71 KB	-rwxr-xr-x
latencytop-tui	25.03 KB	-rwxr-xr-x
lchage	33.5 KB	-rwxr-xr-x
ldattach	13.23 KB	-rwxr-xr-x
ledctl	51.58 KB	-rwxr-xr-x
ledmon	55.14 KB	-rwxr-xr-x
lgroupadd	29.77 KB	-rwxr-xr-x
lgroupdel	28.7 KB	-rwxr-xr-x
lgroupmod	34.48 KB	-rwxr-xr-x
lid	18.53 KB	-rwxr-xr-x
lnewusers	34.29 KB	-rwxr-xr-x
lnstat	17.64 KB	-rwxr-xr-x
load_policy	10.21 KB	-rwxr-xr-x
lokkit	2.15 KB	-rwxr-xr-x
lpadmin	26.57 KB	-rwxr-xr-x
lpasswd	32.46 KB	-rwxr-xr-x
lpc	14.34 KB	-rwxr-xr-x
lpc.cups	14.34 KB	-rwxr-xr-x
lpinfo	14.23 KB	-rwxr-xr-x
lpmove	10.31 KB	-rwxr-xr-x
lsof	154.44 KB	-rwxr-xr-x
lsusb	105.49 KB	-rwxr-xr-x
luseradd	34.71 KB	-rwxr-xr-x
luserdel	30.52 KB	-rwxr-xr-x
lusermod	36.7 KB	-rwxr-xr-x
makedumpfile	309.8 KB	-rwxr-xr-x
makewhatis	13.79 KB	-rwxr-xr-x
matchpathcon	12.01 KB	-rwxr-xr-x
mcelog	117.1 KB	-rwxr-xr-x
mkdict	218 B	-rwxr-xr-x
mklost+found	9.4 KB	-rwxr-xr-x
mksock	10.41 KB	-rwxr-xr-x
mountstats	34.53 KB	-rwxr-xr-x
mtr	63 KB	-rwxr-xr-x
named-checkconf	40.13 KB	-rwxr-xr-x
named-checkzone	35.8 KB	-rwxr-xr-x
named-compilezone	35.8 KB	-rwxr-xr-x
named-journalprint	17.26 KB	-rwxr-xr-x
newusers	71.93 KB	-rwxr-xr-x
nfsidmap	16.46 KB	-rwxr-xr-x
nfsiostat	23.18 KB	-rwxr-xr-x
nfsstat	27.63 KB	-rwxr-xr-x
nsec3hash	18.2 KB	-rwxr-xr-x
nstat	19.88 KB	-rwxr-xr-x
ntp-keygen	180.27 KB	-rwxr-xr-x
ntpdate	108.3 KB	-rwxr-xr-x
ntpdc	248.45 KB	-rwxr-xr-x
ntpq	246.51 KB	-rwxr-xr-x
ntptime	71.14 KB	-rwxr-xr-x
ntsysv	32.95 KB	-rwxr-xr-x
ownership	11.86 KB	-rwxr-xr-x
packer	9.31 KB	-rwxr-xr-x
pdata_tools	1.54 MB	-rwxr-xr-x
pethtool	8.94 KB	-rwxr-xr-x
pifconfig	3.03 KB	-rwxr-xr-x
ping6	35.63 KB	-rwsr-xr-x
pluginviewer	18.22 KB	-rwxr-xr-x
plymouth-set-default-theme	6.2 KB	-rwxr-xr-x
pm-hibernate	2.76 KB	-rwxr-xr-x
pm-powersave	1.53 KB	-rwxr-xr-x
pm-suspend	2.76 KB	-rwxr-xr-x
pm-suspend-hybrid	2.76 KB	-rwxr-xr-x
postconf	297.07 KB	-rwxr-xr-x
postdrop	184.57 KB	-rwxr-sr-x
postmap	212.7 KB	-rwxr-xr-x
postmulti	124.41 KB	-rwxr-xr-x
postqueue	212.73 KB	-rwxr-sr-x
powertop	426.14 KB	-rwxr-xr-x
prelink	1.25 MB	-rwxr-xr-x
pwck	49.61 KB	-rwxr-xr-x
pwconv	45.52 KB	-rwxr-xr-x
pwunconv	36.43 KB	-rwxr-xr-x
quotastats	11.21 KB	-rwxr-xr-x
raid-check	3.7 KB	-rwxr-xr-x
readprofile	15.25 KB	-rwxr-xr-x
redhat_lsb_trigger.x86_64	2.83 KB	-rwx------
regdbdump	9.26 KB	-rwxr-xr-x
reject	10.24 KB	-rwxr-xr-x
repquota	72.66 KB	-rwxr-xr-x
rndc	40.31 KB	-rwxr-xr-x
rndc-confgen	26.63 KB	-rwxr-xr-x
rotatelogs	16.55 KB	-rwxr-xr-x
rpcdebug	16.03 KB	-rwxr-xr-x
rpcinfo	27.25 KB	-rwxr-xr-x
rtacct	35.56 KB	-rwxr-xr-x
rtcwake	17.44 KB	-rwxr-xr-x
run_init	10.32 KB	-rwxr-xr-x
sa	31.53 KB	-rwxr-xr-x
safe_finger	8.69 KB	-rwxr-xr-x
sasldblistusers2	19.8 KB	-rwxr-xr-x
saslpasswd2	17.62 KB	-rwxr-xr-x
selinuxconlist	10.04 KB	-rwxr-xr-x
selinuxdefcon	10.39 KB	-rwxr-xr-x
selinuxenabled	7.8 KB	-rwxr-xr-x
semodule	18.9 KB	-rwxr-xr-x
sendmail	208.61 KB	-rwxr-xr-x
sendmail.postfix	208.61 KB	-rwxr-xr-x
sestatus	14.44 KB	-rwxr-xr-x
setcap	10.77 KB	-rwxr-xr-x
setenforce	9.1 KB	-rwxr-xr-x
setquota	84.78 KB	-rwxr-xr-x
setregdomain	1.47 KB	-rwxr-xr-x
setsebool	14.41 KB	-rwxr-xr-x
setup	15.59 KB	-rwxr-xr-x
showmount	19.34 KB	-rwxr-xr-x
sm-notify	50.41 KB	-rwxr-xr-x
smartctl	560.77 KB	-rwxr-xr-x
smtp-sink	84.54 KB	-rwxr-xr-x
smtp-source	67.55 KB	-rwxr-xr-x
sosreport	898 B	-rwxr-xr-x
ss	73.9 KB	-rwxr-xr-x
sss_cache	87.11 KB	-rwxr-xr-x
start-statd	300 B	-rwxr-xr-x
suexec	13.66 KB	-r-s--x---
sys-unconfig	180 B	-rwxr-xr-x
system-config-network	188 B	-rwxr-xr-x
system-config-network-cmd	13.4 KB	-rwxr-xr-x
system-config-network-tui	10.02 KB	-rwxr-xr-x
t1libconfig	3.83 KB	-rwxr-xr-x
tcpdmatch	38.01 KB	-rwxr-xr-x
tcpdump	725.63 KB	-rwxr-xr-x
tcpslice	24.02 KB	-rwxr-xr-x
testsaslauthd	14.43 KB	-rwxr-xr-x
thin_check	1.54 MB	-rwxr-xr-x
thin_delta	1.54 MB	-rwxr-xr-x
thin_dump	1.54 MB	-rwxr-xr-x
thin_ls	1.54 MB	-rwxr-xr-x
thin_metadata_size	1.54 MB	-rwxr-xr-x
thin_repair	1.54 MB	-rwxr-xr-x
thin_restore	1.54 MB	-rwxr-xr-x
thin_rmap	1.54 MB	-rwxr-xr-x
thin_trim	1.54 MB	-rwxr-xr-x
tickadj	6.02 KB	-rwxr-xr-x
tmpwatch	21.15 KB	-rwxr-xr-x
togglesebool	10.43 KB	-rwxr-xr-x
tracepath	11.17 KB	-rwxr-xr-x
tracepath6	12.02 KB	-rwxr-xr-x
try-from	19.22 KB	-rwxr-xr-x
tunelp	12.24 KB	-rwxr-xr-x
tzdata-update	12.79 KB	-rwxr-xr-x
unbound-anchor	52.26 KB	-rwxr-xr-x
update-alternatives	27.9 KB	-rwxr-xr-x
update-pciids	1.72 KB	-rwxr-xr-x
update-smart-drivedb	8.25 KB	-rwxr-xr-x
useradd	108.71 KB	-rwxr-x---
userdel	71.93 KB	-rwxr-x---
userhelper	41.3 KB	-rws--x--x
usermod	112.4 KB	-rwxr-x---
usernetctl	8.79 KB	-rwsr-xr-x
vigr	59.95 KB	-rwxr-xr-x
vipw	59.95 KB	-rwxr-xr-x
virt-what	10.06 KB	-rwxr-xr-x
visudo	155.24 KB	-rwxr-xr-x
vnstat.cron	311 B	-rwxr-xr-x
vnstatd	59.95 KB	-rwxr-xr-x
vpddecode	14.49 KB	-rwxr-xr-x
warnquota	80.91 KB	-rwxr-xr-x
yppoll	16.26 KB	-rwxr-xr-x
ypserv_test	19.26 KB	-rwxr-xr-x
ypset	14.2 KB	-rwxr-xr-x
yptest	19.48 KB	-rwxr-xr-x
yum-complete-transaction	9.7 KB	-rwxr-xr-x
yumdb	7.83 KB	-rwxr-xr-x
zdump	16.98 KB	-rwxr-xr-x
zic	49.08 KB	-rwxr-xr-x

Code Editor : nfsiostat

#!/usr/bin/python
# -*- 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 words[0] == 'age:':
            self.__nfs_data['age'] = long(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] = long(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'] = long(words[7])
                self.__rpc_data['backlogutil'] = long(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'] = long(words[10])
                self.__rpc_data['backlogutil'] = long(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] = [long(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.iteritems():
            result.__nfs_data[key] = value
        for key, value in self.__rpc_data.iteritems():
            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] = 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
        getattr_stats = self.__rpc_data['GETATTR']

if nfs_stats['inoderevalidates'] != 0:
            getattr_ops = float(getattr_stats[1])
            opens = float(nfs_stats['vfsopen'])
            revalidates = float(nfs_stats['inoderevalidates']) - opens
            if revalidates != 0:
                if revalidates < getattr_ops:
					ratio = ((getattr_ops - revalidates ) * 100) / revalidates
                else:
					ratio = ((revalidates - getattr_ops) * 100) / revalidates
            else:
                ratio = 0.0

data_invalidates = float(nfs_stats['datainvalidates'])
            attr_invalidates = float(nfs_stats['attrinvalidates'])

print
            print '%d inode revalidations, hitting in cache %4.2f%% of the time' % \
                (revalidates, ratio)
            print '%d open operations (mandatory GETATTR requests)' % opens
            if getattr_ops != 0:
                print '%4.2f%% of GETATTRs resulted in data cache invalidations' % \
                   ((data_invalidates * 100) / getattr_ops)

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 self.__rpc_data.has_key('READDIRPLUS'):
            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 not self.__rpc_data.has_key(op):
            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 '%s' % op.lower().ljust(15),
        print '  ops/s\t\t   kB/s\t\t  kB/op\t\tretrans\t\tavg RTT (ms)\tavg exe (ms)'

print '\t\t%7.3f' % (ops / sample_time),
        print '\t%7.3f' % (kilobytes / sample_time),
        print '\t%7.3f' % kb_per_op,
        print ' %7d (%3.1f%%)' % (retrans, retrans_percent),
        print '\t%7.3f' % rtt_per_op,
        print '\t%7.3f' % exe_per_op

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 '   op/s\t\trpc bklog'
        print '%7.2f' % (sends / sample_time), 
        print '\t%7.2f' % backlog

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 self.__rpc_data.has_key('READDIRPLUS'):
                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 = file(filename)
    for line in f.readlines():
        words = line.split()
        if len(words) == 0:
            continue
        if words[0] == 'device':
            key = words[4]
            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 = filter(lambda x:x in devices,old)
    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.iteritems():
            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.maxint)

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