The Green Lab - Research cocktail @Vrije Universiteit Amsterdam (October 2020)

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The Green Lab allows students to measure real software products for industry-driven experiments focusing on energy efficiency, performance, and other areas. It provides infrastructure for experimenting on software, including a master course, platform, and collaboration platform. The lab contains a green computing cluster managed by Proxmox virtualization software, which hosts various virtual machines for running experiments. Hardware in the cluster includes servers, workstations, and a smartphone test farm for controlling Android devices remotely. Students use tools like Android Runner and wattsup meters to automate experiments measuring aspects like energy consumption of mobile apps. The Green Lab also serves as a learning environment where students conduct experiments for class projects and contribute to open source tools like Android Runner.

Technology

Green Lab
Ivano malavolta
i.malavolta@vu.nl

The Green Lab
Students measure real
software products
Our infrastructure for experimenting
on software
● energy efficiency
● performance
● ...
Industry-driven experiments
A MASTER COURSE
A PLATFORM
A COLLABORATION PLATFORM
ivanomalavolta.com

Green cluster
Promox (Debian) vmWare OS vmWare OS
Wattsup Wattsup Wattsup
MobileServerVM2
192.168.188.32
Ubuntu 16.04.1 LTS
.17 - androidApps
Ubuntu 16.04.1 LTS
.12 - emabot
Ubuntu 16.04.1 LTS
HD: 800Gb, RAM: 36Gb,
CPU: 2.4Ghz x 4 cores HD: 1Tb, RAM: 18Gb, CPU: 2.00Ghz
HD: 126Gb, RAM: 64Gb,
CPU: 2.50Ghz
(VM management server) (SuperMicro STF)(Windows server)
.9 - vSphere web client
vmWare OS Windows Desktop Server 2007 Ubuntu 16.04.1 LTS
vRealize
vSphere client
Server for the web-client
Wattsup manager
Other utilities
STF ADB
vmWare OS
HD: 1Tb, RAM: 16Gb,
CPU: 2.00Ghz x 2 cores
HD: 70Gb, RAM: 8Gb,
CPU: 2.33Ghz x 2 cores
HD: 1Tb, RAM: 32Gb,
CPU: 3.4Ghz x 4 cores
.19 - franz2017
Ubuntu 16.04.1 LTS
HP DL360 G7 HP DL380 G5 System x3550 M4
HP DL380 G5 ---
SuperMicro 813M-4
(management)
Promox (Debian)
HD: 36Tb, RAM: 192Gb,
CPU: 2 x (2.6Ghz x 4 cores)
SuperMicro Superserver
.23 - Tanjina
Ubuntu 18.04.2 LTS
.20 - Roberto
Ubuntu 18.04.2 LTS
.21 - KishanNirghin
Ubuntu 18.04.2 LTS
.22 - Ivano
Ubuntu 18.04.2 LTS
.29 - Nick
Ubuntu 18.04.2 LTS
.25 - Katerina
Ubuntu 18.04.2 LTS
.26 - Emitza
Ubuntu 18.04.2 LTS
.28 - Covid-19
Ubuntu 18.04.2 LTS
.27 - Ilias
Ubuntu 18.04.2 LTS
.30 -
FrancescoOsbourne
Ubuntu 18.04.2 LTS
.31 - Eoin
Ubuntu 18.04.2 LTS
USB/Wifi

● Hardware Watt meter
● Measures instantaneous power
○ Logs it via USB1
○ Via Python or C utilities
● 60 Hz frequency
● Highly used in the literature2
Watts up Pro
1
https://github.com/yyongpil/wattsup
2
https://scholar.google.it/scholar?q=%22Watts+up%3F+Pro%22&hl=it&as_sdt=0,5
Image from: https://doi.org/10.1016/j.jss.2018.07.077

Smartphone Test Farm (STF)
https://github.com/DeviceFarmer/stf
● Debug/control several mobile
devices remotely
● Web-based UI
● Real-time screen view
● Execute remote shell commands
● Manage device inventory
ivanomalavolta.com

Experiments on Android/web apps
https://github.com/S2-group/android-runner
No interaction from the researcherAutomation
Incremental
experiments
Customizability
Usability
Profiler
independence
Experiments
replicability
Pause/resume mechanism
Experiments defined in descriptively
You can add your own business logic
or automated testing tool
Support for both HW/SW profilers,
even in parallel
Easily execute an already-performed
experiment ivanomalavolta.com

Android Runner as a learning platform
Android
Runner
Green Lab Final projects
● Green Lab = Master course on
empirical software engineering
for energy efficient software
● Students use Android Runner
as black-box tool for their own
experiments
● Students go deeper on
run-time profiling
○ Plugins for new profilers
○ Improve Android Runner
● Community of learners
● Discover and fix bugs
● Android Runner always up to date
● Learn the basics of OSS development
ivanomalavolta.com

Example of experiment on Web apps on Android
https://github.com/S2-group/ease-2020-replication-package
ivanomalavolta.com

→ Experiments on Robotics
Energy measures
ivanomalavolta.com

We have a technological
dilemma about <X>
Preliminary
experiment
design
We are interested in how <X>
impacts/improves/clariﬁes <Y>
Finalization of
experiment design
In-house VS on-premises
experiment
Experiment
execution
Clariﬁcations and
reﬁnements
Final
report
Brainstorming
sessions
YOU
Results
discussion
Informed
decision making
Collaboration model with companies
ivanomalavolta.com

Contacts
Group website
http://s2group.cs.vu.nl
Email
i.malavolta@vu.nl
Design/conduct experiments on
your software?
Technological dilemmas?
Mining software repositories?

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The Green Lab - Research cocktail @Vrije Universiteit Amsterdam (October 2020)

1. Green Lab Ivano malavolta i.malavolta@vu.nl

2. The Green Lab Students measure real software products Our infrastructure for experimenting on software ● energy efficiency ● performance ● ... Industry-driven experiments A MASTER COURSE A PLATFORM A COLLABORATION PLATFORM ivanomalavolta.com

3. Green cluster Promox (Debian) vmWare OS vmWare OS Wattsup Wattsup Wattsup MobileServerVM2 192.168.188.32 Ubuntu 16.04.1 LTS .17 - androidApps Ubuntu 16.04.1 LTS .12 - emabot Ubuntu 16.04.1 LTS HD: 800Gb, RAM: 36Gb, CPU: 2.4Ghz x 4 cores HD: 1Tb, RAM: 18Gb, CPU: 2.00Ghz HD: 126Gb, RAM: 64Gb, CPU: 2.50Ghz (VM management server) (SuperMicro STF)(Windows server) .9 - vSphere web client vmWare OS Windows Desktop Server 2007 Ubuntu 16.04.1 LTS vRealize vSphere client Server for the web-client Wattsup manager Other utilities STF ADB vmWare OS HD: 1Tb, RAM: 16Gb, CPU: 2.00Ghz x 2 cores HD: 70Gb, RAM: 8Gb, CPU: 2.33Ghz x 2 cores HD: 1Tb, RAM: 32Gb, CPU: 3.4Ghz x 4 cores .19 - franz2017 Ubuntu 16.04.1 LTS HP DL360 G7 HP DL380 G5 System x3550 M4 HP DL380 G5 --- SuperMicro 813M-4 (management) Promox (Debian) HD: 36Tb, RAM: 192Gb, CPU: 2 x (2.6Ghz x 4 cores) SuperMicro Superserver .23 - Tanjina Ubuntu 18.04.2 LTS .20 - Roberto Ubuntu 18.04.2 LTS .21 - KishanNirghin Ubuntu 18.04.2 LTS .22 - Ivano Ubuntu 18.04.2 LTS .29 - Nick Ubuntu 18.04.2 LTS .25 - Katerina Ubuntu 18.04.2 LTS .26 - Emitza Ubuntu 18.04.2 LTS .28 - Covid-19 Ubuntu 18.04.2 LTS .27 - Ilias Ubuntu 18.04.2 LTS .30 - FrancescoOsbourne Ubuntu 18.04.2 LTS .31 - Eoin Ubuntu 18.04.2 LTS USB/Wifi

4. ● Hardware Watt meter ● Measures instantaneous power ○ Logs it via USB1 ○ Via Python or C utilities ● 60 Hz frequency ● Highly used in the literature2 Watts up Pro 1 https://github.com/yyongpil/wattsup 2 https://scholar.google.it/scholar?q=%22Watts+up%3F+Pro%22&hl=it&as_sdt=0,5 Image from: https://doi.org/10.1016/j.jss.2018.07.077

5. Smartphone Test Farm (STF) https://github.com/DeviceFarmer/stf ● Debug/control several mobile devices remotely ● Web-based UI ● Real-time screen view ● Execute remote shell commands ● Manage device inventory ivanomalavolta.com

6. Experiments on Android/web apps https://github.com/S2-group/android-runner No interaction from the researcherAutomation Incremental experiments Customizability Usability Profiler independence Experiments replicability Pause/resume mechanism Experiments defined in descriptively You can add your own business logic or automated testing tool Support for both HW/SW profilers, even in parallel Easily execute an already-performed experiment ivanomalavolta.com

7. Android Runner as a learning platform Android Runner Green Lab Final projects ● Green Lab = Master course on empirical software engineering for energy efficient software ● Students use Android Runner as black-box tool for their own experiments ● Students go deeper on run-time profiling ○ Plugins for new profilers ○ Improve Android Runner ● Community of learners ● Discover and fix bugs ● Android Runner always up to date ● Learn the basics of OSS development ivanomalavolta.com

8. Example of experiment on Web apps on Android https://github.com/S2-group/ease-2020-replication-package ivanomalavolta.com

9. → Experiments on Robotics Energy measures ivanomalavolta.com

10. We have a technological dilemma about <X> Preliminary experiment design We are interested in how <X> impacts/improves/clarifies <Y> Finalization of experiment design In-house VS on-premises experiment Experiment execution Clarifications and refinements Final report Brainstorming sessions YOU Results discussion Informed decision making Collaboration model with companies ivanomalavolta.com

11. Contacts Group website http://s2group.cs.vu.nl Email i.malavolta@vu.nl Design/conduct experiments on your software? Technological dilemmas? Mining software repositories?

The Green Lab - Research cocktail @Vrije Universiteit Amsterdam (October 2020)

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