ETTrace
A command-line tool and framework for sampling-based performance profiling of iOS apps, generating flamecharts without Xcode.
What is ETTrace?
ETTrace is a performance profiling tool for iOS applications that allows developers to measure and analyze app performance locally without relying on Xcode or Instruments. It works by sampling stack traces and generating flamecharts to visualize CPU usage, helping identify bottlenecks in app launch and runtime. The tool consists of a command-line runner and a framework that links into the app, requiring no code changes for basic profiling.
iOS developers and engineers who need to diagnose and optimize app performance, particularly those working on large-scale or performance-sensitive applications where launch times and CPU usage are critical.
Developers choose ETTrace because it provides accurate, sampling-based profiling outside of Xcode, eliminating the overhead and inaccuracies that can come from running apps through the IDE. Its flamechart visualization and custom event tracking make it easier to pinpoint performance issues compared to traditional Instruments workflows.
Overview
Easily and accurately profile iOS apps
Use Cases
Best For
- Profiling iOS app launch performance without Xcode
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