Show HN: Reli – a sampling profiler and VM state inspector for PHP

Category: devtools

Tags: php, profiler, debugging, memory-analysis, cli-tool

Score: 8.3/10 (Innovation: 8, Technical: 9, Documentation: 9, Utility: 7)

Reli is a sampling profiler and VM state inspector for PHP that reads information about a running PHP script from outside the process with minimal overhead. It provides call-trace sampling, memory graph analysis, runtime variable inspection, and a rich set of analysis tools including TUI browsers and live visualizations. Its innovative use of PHP FFI to parse ELF binaries and read target process memory via ptrace makes it a groundbreaking tool for debugging and profiling PHP applications without requiring any code modifications.

Target audience: backend devs

Repository: https://github.com/reliforp/reli-prof · PHP · MIT · 514 stars

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