Panappticon: event-based tracing to measure mobile application and platform performance

  • Authors:
  • Lide Zhang;David R. Bild;Robert P. Dick;Z. Morley Mao;Peter Dinda

  • Affiliations:
  • Facebook Inc., Menlo Park, CA;University of Michigan, Ann Arbor, MI;University of Michigan, Ann Arbor, MI;University of Michigan, Ann Arbor, MI;Northwestern University, Evanston, IL

  • Venue:
  • Proceedings of the Ninth IEEE/ACM/IFIP International Conference on Hardware/Software Codesign and System Synthesis
  • Year:
  • 2013

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Abstract

Improving and optimizing user-perceived smartphone performance requires understanding device, system, and application behavior for real-world workloads. However, measuring such performance is challenging due to the multi-threaded, asynchronous programming paradigms used in modern applications and the multiple layers of hardware and software used to respond to user input events. We address this challenge with Panappticon, a lightweight, system-wide, fine-grained event tracing system for Android that automatically identifies critical execution paths in user transactions. Panappticon monitors the application, system, and kernel software layers and can identify performance problems stemming from application design flaws, underpowered hardware, and harmful interactions between apparently unrelated applications. We carried out a 14-user, one-month study of an Android smartphone system instrumented with Panappticon, which revealed a number of specific problems and areas for improvement that may be of interest to system designers, application developers, and device manufactures.