Repository Index

GT (Great Tit) is a portable debugging tool for bug hunting and performance tuning on smartphones anytime and anywhere just as listening music with Walkman. GT can act as the Integrated Debug Environment by directly running on smartphones.

Performance monitoring and benchmarking suite

• likwid
• hardware-performance-counters
• threading
• x86

Find memory issues & leaks in your iOS app without instruments

• memory-heap
• heapinspector
• heap-snapshot
• arc

Collect performance metrics for your library/application.

• performance
• performance-analysis
• performance-metrics
• performance-test

JVM Profiler Sending Metrics to Kafka, Console Output or Custom Reporter

• java
• agent
• profiler
• performance

A flamegraph generator for Postgres EXPLAIN ANALYZE output.

• flamegraph
• postgres
• performance
• performance-visualization

Visualize Erlang/Elixir Nodes On The Command Line

• observer
• recon
• memory
• performance

Profiling / Debugging assist tools for iOS. (Memory Leak, OOM, ANR, Hard Stalling, Network, OpenGL, Time Profile ...)

• ios
• debugging
• profiling
• assistant

low-overhead sampling profiler for PHP 7+

• profiler
• performance
• php
• hacktoberfest

eBPF based always-on CPU/GPU profiler auto-discovering targets in Kubernetes and systemd, zero code changes or restarts needed!

• ebpf
• profiling
• pprof
• performance

PHP Profiler & Developer Toolbar (built for Phalcon)

• php
• developer-toolbar
• toolbar
• phalcon

Erlang performance and debugging tools

Flame Graph profiler for Erlang

production heap profiling for the JVM. compatible with google-perftools.

PerfJ is a wrapper of linux perf for java programs.

Sends stacktrace-level performance data from a JVM process to Riemann.

Performance visualisation tools

• performance
• monitoring
• observability
• ebpf

Monitor and profiler powered by eBPF to monitor network traffic, and diagnose CPU and network performance.

• skywalking
• observability
• apm
• service-mesh

Java memory allocation profiler

• profiler
• java-agent
• allocation-profiling

Measure and explain performance: web pages, Electron apps, Bun/Node, any process. Agent-native CLI + MCP.

Generate automated reports for slow Swift compilation paths in specific targets

Low-overhead sampling profiler and tracer for Ruby for Linux

• ruby
• bpf
• performance
• profilers

Tracing profiler for Common Lisp

• common-lisp
• sbcl
• performance
• profiler

GProf - The profiling module for Groovy