Episode 211: Rules about performance tools

In this episode Chet, Romain and Tor chat with Shai Barack about how the Android platform team studies performance and understands system health - and what is system health anyway? We talk about measuring performance, deciding trade-offs, and our favorite tools such as Perfetto, Compiler Explorer, and Android Studio's Memory Profiler. Chapters: Intro (00:00) System health (0:27) Efforts to make apps more efficient (3:35) Telemetry data (5:59) Trade offs between long battery life and good performance (8:21) Scheduling groups (10:38) Static drain (13:32) Collaborating with App developers vs operating system (19:10) High refresh rates (23:26) Reach vs engagement (32:02) What tools does your team use to optimize performance? (34:10) Godbolt.org (37:09) Demystifying (39:39) The best tools are multi-player (43:52) R8 or R-Not? (45:42) Optimizing for feature sets (48:05) Tools, not Rules (50:08) What are the tools I should be aware of as an app developer looking to upscale performance? (54:36) Allocation tracker (55:37) Open source tools (57:08) Useful resources for devs to understand various tools (59:04) Final thoughts (1:06:19) Links: Compiler Explorer → Perfetto → and Tools, not Rules → Shai: Romain: @romainguy , threads.net/@romainguy , romainguy@androiddev.social Tor: threads.net/@tor.norbye and tornorbye@androiddev.social Chet: @chethaase , threads.net/@chet.haase , and chethaase@androiddev.social Catch videos on YouTube →

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Episode 211: Rules about performance tools is an episode from Android Developers Backstage by Android Developers.

This episode is 01:10:15 long.

This episode was published on Nov 26, 2024.

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