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27 th USENIX Large Installation System Administration Conference (LISA'13), Washington D.C., USA, November 3–8, 2013. Talk: November 7, 2013 Georgios Larkou,

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Presentation on theme: "27 th USENIX Large Installation System Administration Conference (LISA'13), Washington D.C., USA, November 3–8, 2013. Talk: November 7, 2013 Georgios Larkou,"— Presentation transcript:

1 27 th USENIX Large Installation System Administration Conference (LISA'13), Washington D.C., USA, November 3–8, 2013. Talk: November 7, 2013 Georgios Larkou, Constantinos Costa, Panayiotis G. Andreou, Andreas Konstantinidis and Demetrios Zeinalipour-Yazti http://smartlab.cs.ucy.ac.cy/ Managing Smartphone Testbeds with SmartLab 1

2 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ The Smartphone Revolution October 2011: The Economist. "Beyond the PC" February 2012: Canalys validated Economist's forecast, initiating the Post-PC era. April 2013: IDC reports another important development –Smartphone sales exceed the sale of Feature phones for the first time in history due to increased sales in developing regions. –51.6% (216M) Smartphones vs. 48.4% (186M) Feature Phones Sales (Millions) Year 2

3 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ eReaders Hardware Fragmentation Rasperry PI Tablets Smart Watches Smart TVs SmartBooks Smart Glasses Smart Home Phones 3 Equipment running on Android (based on Linux kernel 2.6.x and 3.x)

4 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ IDC projects that 53% of smartphones in 2016 will be running Android (19% iOS, 19% Win) Android Software Fragmentation  Software Fragmentation Source: OpenSignal, July 2013 Smartphone OS landscape is fragmented! 4

5 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ SmartLab: Research Motivation How can a smartphone developer cope with the software / hardware fragmentation? We developed a comprehensive architecture for managing static, mobile and virtual smartphones through a web browser.  Static AndroidsMoving Androids 5

6 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ SmartLab: User Interface Rent See/Click Shell File Sys. Automation Debug Data Manage 6 Intuitive HTML5/AJAX-based GUI + JSON-based GUI

7 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ SmartLab: Envisioned Applications Application Testing How to test my app automatically on 50 different smartphones? Personal Gadget Management How to manage my personal gadgets at a fine-grain (i.e., clicks, file-transfer, update, etc.) Data Collection in Smart Cities How to handle a fleet of Android-powered entertainment equipment installed on 1000 buses? Building Computational Clusters How to build beowulf-like clusters out of deprecated smartphones? We tend to change smartphones faster than PCs … 7

8 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ Contributions of this Paper Open Architecture Insights into a real Architecture evolving since 2009. Enables fine-grained control over ARDs (Android Real Devices) and AVDs (Android Virtual Devices) Fine-grained & low-level control: OS, Networking, DB & Storage, security, sensors engagement, etc. Extensive Microbenchmarks Justify our implementation choices Allows us to bring forward a new release in the coming months (open to public). Experiences Gained Present some research experiences from using SmartLab in 4 different research and teaching contexts. 8

9 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ Introduction Related Work SmartLab Architecture & Experiments Power and Connectivity Android Debug Bridge (ADB) Device Server (DS) User Interface (UI) Security Issues Experiences using SmartLab Conclusion and Future Work 9 Presentation Outline

10 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/  Related Work Remote Server Monitoring Solutions e.g. Nagios, Akamai Query System (LISA'10), STORM, RedAlert NAGIOS Akamai Query System 10 No support for mobile phones!

11 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/  Related Work Wireless Sensor Network Testbeds e.g. MoteLab (Harvard), CitySense (Harvard), Wisibed (EU), etc. 11 Again, no support for mobile phones!

12 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/  Related Work Smartphone Programming Testbeds e.g., Nokia RDA (only windows and symbian, real), Samsung’s Remote Test Lab (simulated), PerfectoMobile (commercial, real), Keynote's Device Anyware (commercial, real) 12 No insights into how these are developed!

13 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/  Related Work People-centric Testbeds e.g. PhoneLab (University of Buffalo): allows data collection from real users after tasks undergo an Institutional Review Board evaluation. e.g. Carat project (UC Berkeley): Collaborative energy diagnostics using the crowd 13 No fine-grain control over remote devices!

14 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ Introduction Related Work SmartLab Architecture & Experiments Power and Connectivity Android Debug Bridge (ADB) Device Server (DS) User Interface (UI) Security Issues Experiences using SmartLab Conclusion and Future Work 14 Presentation Outline

15 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ SmartLab Architecture S M A R T L A B Device Server (DS) Layer User Interface (UI) Layer (Web Server) Hardware Layer / SmartPhones Android Debug Bridge (ADB) RFM ATP RCTRDTRS JDWP Data Layer SmartLab DB File System SSHFS SSHFSSSHFS SSHFSSSHFS RM F I R E W A L L WWW User HTTPS / WSS RFMRCTRDTRS RM 15

16 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ Introduction Related Work SmartLab Architecture & Experiments Power and Connectivity Android Debug Bridge (ADB) Device Server (DS) User Interface (UI) Security Issues Experiences using SmartLab Conclusion and Future Work 16 Presentation Outline

17 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ Power and Connectivity Issues Cabling Issues Smartphones connect in a cascading manner (i.e., “daisy chaining) to USB 2.0 hubs (7 ports). Hubs connect to Device Servers. This overcomes the limited number of physical USB ports on the Device Server. Power-Boosting x 6 x Devices + 1 x for the next hub 3 x Y-shaped USB cables (i.e., 2x500mA ) Power Profiling We use a Plogg smart meter +USB Voltage/Ampere meter to offer on-site runtime power measurements. 17

18 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ Introduction Related Work SmartLab Architecture & Experiments Power and Connectivity Android Debug Bridge (ADB) Device Server (DS) User Interface (UI) Security Issues Experiences using SmartLab Conclusion and Future Work 18 Presentation Outline

19 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ Android Debug Bridge (ADB) Android bundled a variety of development tools (SDK tools + Platform tools). We re-package our functionality around these tools to easily keep up with updates. We particularly exploit the Android Debug Bridge (ADB) detailed next. 19

20 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ Android Debug Bridge (ADB) ADB handles the bulk of communication between the connected smartphones and the server (coined the Device Server). 20 Smartphone Device Server

21 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ Introduction Related Work SmartLab Architecture & Experiments Power and Connectivity Android Debug Bridge (ADB) Device Server (DS) User Interface (UI) Security Issues Experiences using SmartLab Conclusion and Future Work 21 Presentation Outline

22 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ Device Server (DS) ARD-Local: Android Real Device (ARD) mounted locally to the Device Server (DS) through USB. ARD-Remote: ARD mounted through a USB port on a gateway PC to DS through a wired network. ARD-WiFi: ARD connected to DS through a WiFi AP. AVD: Android Virtual Device running on DS. ARD-LocalARD-Remote Datacenter USB Hub 1Gbps USB2.0 480Mbps wired VM Datacenter USB2.0 480Mbps DS ARD-WiFi WiFi AP 1Gbps wireless 300Mbps Datacenter DS AVD Emulator Datacenter virtual DS 22 Connection Modalities:

23 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ Device Server (DS) Push File (10MB) ARDs-Local out-perform all other connectivity modalities (as expected) Push and Install Application (1MB) ARDs-Local out-perform all other connectivity modalities (as expected) ARDs-Remote and ARDs-WiFi out-perform AVDs AVDs are not appropriate for performing I/O intensive functions Remote File Management 23

24 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ Device Server (DS) Remote Screen Capture (RCT) Remotely seeing the screen of a device Supports: Control events (e.g., power, home) Mouse events (e.g., click, drag) Keyboard events (e.g., key press) RCT Implementation Alternatives: I.cat command /dev/fb0 or /dev/graphics/fb0 II.Monkeyrunner script command takeSnapshot() III.Continuously invoking getScreenshot() command provided by the ddmlib library IV.Continuously listening to the direct stream (compressed or not) that contains the contents of each consecutive screenshot through the ddmlib library 24 Evaluated next

25 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ Device Server (DS) Smartlab’s screen capture module with on device compression clearly outperforms all other options (i.e., 0.6s vs. 2.6s / screenshot) BUT Screen Capture Microbenchmark 25

26 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ Device Server (DS) CPU utilization reaches 28±15% as opposed to 7±3% without compression Screen Capture Microbenchmark (CPU) Data from System Profiler running on Smartphone 26

27 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ Device Server (DS) More CPU => Higher power consumption ( ≈ 500%) Future Work: Auto switch between 2 modes (i.e., compression vs. no- compression) Screen Capture Microbenchmark (Power) 27

28 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ Introduction Related Work SmartLab Architecture & Experiments Power and Connectivity Android Debug Bridge (ADB) Device Server (DS) User Interface (UI) Security Issues Experiences using SmartLab Conclusion and Future Work 28 Presentation Outline

29 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ SmartLab User Interface Remote File Management (RFM) 29 /share/user

30 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ SmartLab User Interface Remote Shells (RS) 30

31 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ Remote Sensor Mockup Remote Sensor Mockup (RM) 31 Mockup Sensors GPS mockup Accelerometer sensor Compass sensor Orientation sensor Temperature sensor Light sensor Proximity sensor Pressure sensor Gravity sensor

32 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ SmartLab User Interface Remote Debug Tools (RDT) 32 Prints Android Logcat messages in an online manner (while interacting)

33 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ Introduction Related Work SmartLab Architecture & Experiments Power and Connectivity Android Debug Bridge (ADB) Device Server (DS) User Interface (UI) Security Issues Experiences using SmartLab Conclusion and Future Work 33 Presentation Outline

34 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ Security Overview Security is a very challenging task in an environment where high degrees of flexibility to users are aimed to be offered. Basic Security Measures Network and Communication (Device Servers and Smartphones in DMZ, smartphones are firewalled, HTTPS/WSS protocols for secure communication). Authentication & Traceability (WPA2/ Enterprise & IP logging) Compromise & Recovery (custom CyanogenMod ROMS, shredding SD cards, backups). More in the future… ure work Experimental Repeatability Urban-scale Deployment Web 2.0 API Federation Issues and PG Management Security Studies Personal Gadget Management 34

35 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ Introduction Related Work SmartLab Architecture & Experiments Power and Connectivity Android Debug Bridge (ADB) Device Server (DS) User Interface (UI) Security Issues Experiences using SmartLab Conclusion and Future Work 35 Presentation Outline

36 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ Experiences using SmartLab Indoor Localization http://anyplace.cs.ucy.ac.cy/ Trajectory Benchmarking http://smarttrace.cs.ucy.ac.cy/ Peer-to-Peer Benchmarking http://smartp2p.cs.ucy.ac.cy/ 36

37 © Larkou, Costa, Andreou, Konstantinidis, Zeinalipour-Yazti (LISA '13 | USENIX) http://smartlab.cs.ucy.ac.cy/ Conclusions & Future Work Conclusions Open smartphone management platforms will be instrumental for many apps in the future. SmartLab builds upon standard open tools to bring forward one such architecture. Future Work Experimental Repeatability (big-data repositories with sensor readings) Urban-scale Deployment Federation Issues (like PlanetLab) Personal Gadget Management Security Studies / AppInventor Integration 37

38 27 th USENIX Large Installation System Administration Conference (LISA'13), Washington D.C., USA, November 3–8, 2013. Thanks! Questions? Georgios Larkou, Constantinos Costa, Panayiotis G. Andreou, Andreas Konstantinidis and Demetrios Zeinalipour-Yazti http://smartlab.cs.ucy.ac.cy/ Managing Smartphone Testbeds with SmartLab 38

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