PHPSpy
A low-overhead sampling profiler for PHP 7+ that works with CLI, Apache, and FPM without requiring code changes.
What is PHPSpy?
phpspy is a low-overhead sampling profiler for PHP 7+ applications that captures stack traces from running processes without requiring code instrumentation. It helps developers identify performance bottlenecks in production environments by profiling CLI scripts, Apache modules, and PHP-FPM workers with minimal performance impact.
PHP developers and system administrators who need to diagnose performance issues in live applications, especially those running in production where traditional profilers may introduce unacceptable overhead.
Developers choose phpspy because it offers production-safe profiling with near-zero overhead, supports multiple PHP SAPIs out of the box, and requires no application changes—making it uniquely suitable for troubleshooting performance issues in real-world deployments.
Overview
low-overhead sampling profiler for PHP 7+
Use Cases
Best For
- Profiling PHP applications in production with minimal overhead
- Identifying performance bottlenecks in long-running PHP-FPM processes
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