Week 3

Lab 2 (continu'd)

Good evening everyone,

                This blog is mostly a continuation of the second lab. This time i will be displaying my result and the specs of the machine I was attempting to baseline php from. So this blog is separated into the specs analysis part and the result of the base lining.

Machine Specifications               

                The machine I was working on was the red machine, aka the machine with the ARM processor. After installing hp I ran the following commands to outline its specs. The information I gotten from it is displayed below.

                First I ran lshw which listed all the hardware on the machine. The output was enormous with 7 CPU and 4 network card. but only one of the CPU was not disabled, the rest of the output that was up is as follow:

 description: Computer

    product: APM X-Gene Mustang board

    width: 64 bits

  *-core

       description: Motherboard

       physical id: 0

       capabilities: apm_mustang apm_xgene-storm

     *-cpu:0

          description: CPU

          product: cpu

          physical id: 0

          bus info: cpu@0

  *-network:1

       description: Ethernet interface

       physical id: 2

       logical name: eth0

       serial: 00:01:73:02:07:eb

       size: 1Gbit/s

       capacity: 1Gbit/s

       capabilities: ethernet physical tp aui bnc mii fibre 10bt-fd 100bt-fd 1000bt-fd autonegotiation

       configuration: autonegotiation=on broadcast=yes driver=xgene_enet driverversion=v1.0 duplex=full firmware=N/A ip=172.16.172.215 link=yes multicast=yes port=MII speed=1Gbit/s

  *-network:2

       description: Ethernet interface

       physical id: 3

       logical name: eth1

       serial: 7a:10:a1:99:e0:5e

       size: 1Gbit/s

       capacity: 1Gbit/s

       capabilities: ethernet physical mii 1000bt-fd autonegotiation

       configuration: autonegotiation=on broadcast=yes driver=xgene_enet driverversion=v1.0 duplex=full firmware=N/A link=no multicast=yes port=MII speed=1Gbit/s

  *-network:3

       description: Ethernet interface

       physical id: 4

       logical name: bond0

       serial: 52:0b:1f:d6:c5:4d

       capabilities: ethernet physical

       configuration: autonegotiation=off broadcast=yes driver=bonding driverversion=3.7.1 firmware=2 link=no master=yes multicast=yes

  *-network:4

       description: Ethernet interface

       physical id: 5

       logical name: eth2

       serial: 1a:be:06:73:ff:ee

       size: 10Gbit/s

       capabilities: ethernet physical fibre

       configuration: autonegotiation=off broadcast=yes driver=xgene_enet driverversion=v1.0 duplex=full firmware=N/A link=no multicast=yes port=fibre speed=10Gbit/s

Then I ran the command free to figure of the memory usage, the output was a follow:

                           total             used              free        shared    buff/cache     available

Mem:       16713728     1176192     2205248       37440       13332288    15276096

Swap:             0           0           0

Finally for my final specs check I went to see the file describing the CPU info and the operating release version, the output was as followed respectively:

                The CPU information list had 7 identical entry of the following with the processor number been the only distinguishing number.

processor       : 0

Features        : fp asimd evtstrm

CPU implementer : 0x50

CPU architecture: 8

CPU variant     : 0x0

CPU part        : 0x000

CPU revision    : 0

Then the release version the machine is running on:

NAME=Fedora

VERSION="21 (Twenty One)"

ID=fedora

VERSION_ID=21

PRETTY_NAME="Fedora 21 (Twenty One)"

ANSI_COLOR="0;34"

CPE_NAME="cpe:/o:fedoraproject:fedora:21"

HOME_URL="https://fedoraproject.org/"

BUG_REPORT_URL="https://bugzilla.redhat.com/"

REDHAT_BUGZILLA_PRODUCT="Fedora"

REDHAT_BUGZILLA_PRODUCT_VERSION=21

REDHAT_SUPPORT_PRODUCT="Fedora"

REDHAT_SUPPORT_PRODUCT_VERSION=21

Fedora release 21 (Twenty One)

Fedora release 21 (Twenty One)

cpe:/o:fedoraproject:fedora:21

Baselining Results

For the baselining, I decided to test the amount of time php takes to echo a certain word a thousand times. I used the following command which I mentioned about in my previous blog:

time php -r 'for($i = 0; $i < 1000; $i++){echo "hello";}'

                This tested how long it took for the machine to run the echo "hello" 1000 times. The result I gotten were pretty close to each other with only a small degree of difference between runs. The results that kept on reappearing after 30 tries were the following times:

real 0.035s

user 0.030s

sys  0.000s

real 0.036s

user 0.010s

sys  0.020

real 0.035s

user 0.020s

sys  0.010s

                These times show that the php can reliably echo "hello" a thousand time under 0.036 second in real time. And the use-mode and kernel time always add up to 0.030s, mostly only sharing the time between the kernel and user-mode if there is simultaneous runs of the php code.

                This is the result I have gotten from my understanding of how to do baselining. Hopefully this is enough, if there anything wrong with it, or if you feel I need to add more to complete this report please feel free to comment below. Next time I will be finish blogging about my profiling lab which I am currently working on.