lttng-ust ☆
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Description:
Linux Trace Toolkit Next Generation Userspace Tracer
Type: Formula  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  @lttng  |  formulae.brew.sh
Category: Developer tools
Tags: tracing debugging profiling observability linux
Install: brew install lttng-ust
About:
LTTng-UST is the user-space tracing component of the LTTng ecosystem. It enables developers to instrument applications with minimal overhead using tracepoints. This allows for deep system introspection and performance analysis without significantly impacting execution speed.
Key Features:
  • Low-overhead instrumentation for minimal performance impact
  • Supports static and dynamic tracepoints
  • Integrates with the LTTng session daemon for centralized control
  • Provides a simple C API for easy integration
Use Cases:
  • Performance analysis and profiling of user-space applications
  • Debugging complex application logic and race conditions
  • System monitoring in production environments
Alternatives:
  • SystemTap – SystemTap relies on kernel modules, whereas LTTng-UST is designed specifically for user-space with lower overhead.
  • DTrace – DTrace is a comprehensive tool, but LTTng-UST is often preferred on Linux for its specific focus and integration with the LTTng tracer.
Version History
Detected Version Rev Change Commit
Nov 24, 2024 10:15am 0 VERSION_BUMP 604619d2
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