CPT_L1

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Lab Exercise 1Cloud Performance and Tuning Lab Date: __-__-

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Activity 1

Objective: System Information by Direct! Diagnostic tool"

Requirements: #icrosoft $indo$s o%erating system&

Methodology: T'is is an obser(ational acti(ity in $'ic' (arious system %arameters are

obser(ed using DirectX Diagnostic tool.

Procedure:

)%en run $indo$$in*+" Ty%e dxdiag and %ress enter ,nalyse t'e out%ut

Observation:

Figure 1 DirectX Diagnostic tool

onclusion: T'e system information $ere dis%layed by t'e Direct! Diagnostic Tool&

B.Tech CSE CCVT 7th Semester Bhavuk Khanna

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Activity !

Objective: System information by control %anel:

Requirements: #icrosoft $indo$s o%erating system&

Methodology: T'is is an obser(ational acti(ity& System information is obser(ed using

control %anel&

Procedure:

+ig't clic on start& Select system

Observation:

, screen $it' all t'e system %arameters $ill be dis%layed&

Figure 2 System Information

onclusion: T'e basic information about t'e o%erating system and t'e 'ard$are $ere

dis%layed&


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Activity "

Objective: Record the out#ut o$ the $ollo%ing commands:

to#

vmstat

netstat

u#time

i#tra$

strace

tc#dum#

nmon

#s &e

#s &'

$ree

Requirements: Linux o%erating system&Methodology: T'is is a %rocedural acti(ity&

Procedure:

to#:

Pro(ides an ongoing loo at %rocessor acti(ity in real time& It dis%lays a listing oft'e most CP.-intensi(e tass on t'e system/ and can %ro(ide an interacti(einterface for mani%ulating %rocesses& It can sort t'e tass by CP. usage/ memoryusage and runtime&

Figure 3 Top Command Output


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vmstat: re%orts information about %rocesses/ memory/ %aging/ bloc I)/ tra%s/ andc%u acti(ity& re%orts (irtual memory statistics&

(mstat by default $ill dis%lay t'e memory usage including s$a%"

Figure 4 vmstat

netstat: It lists out all t'e tc%/ ud% socet connections and t'e unix socetconnections

Figure netstat

u#time:

It s'o$s t'e current time/ 'o$ long t'e system 'as been running/ 'o$ many

users are currently logged on/ and t'e system load a(erages for t'e %ast 1/

0/ and 10 minutes&

Figure ! uptime


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i#tra$ :i#tra$ is an ncurses-based IP L, monitor t'at generates (arious net$orstatistics including TCP info/ .DP counts/ IC#P and )SP2 information/Et'ernet load info/ node stats/ IP c'ecsum errors/ and ot'ers&

Figure " iptraf

strace:

Strace monitors t'e system calls and signals of a s%eci3c %rogram& It is

'el%ful $'en you do not 'a(e t'e source code and $ould lie to debug t'e

execution of a %rogram& strace %ro(ides you t'e execution se4uence of a

binary from start to end&


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Figure # strace ls

tc#dum#:Tcpdump %rints out t'e 'eaders of %acets on a net$or interface t'atmatc' t'e booleane$pression&

Figure % tcpdump &i et'( &vv &c 2

nmon:It is a system5s administrator tuner/ benc'mar tool t'at can be used todis%lay %erformance data about t'e follo$ings:

CP./ #emory/ et$or/ Diss/ 3le systems/ nfs/ to% %rocesses/ resources


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Figure 1( nmon

#s &e: T'is command stands for 6Process Status6& 7e 8ag selects all %rocesses&

Figure 11 ps &e

#s (l: Sets out%ut format to long


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Figure 12 ps &l

$ree:Dis%lays t'e total amount of free and used %'ysical memory and s$a% s%acein t'e system/ as $ell as t'e bu9ers and cac'e consumed by t'e ernel&

Figure 13 freeonclusion: arious linux commands %ro(iding information about (arious system

resources $ere successfully executed&


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