Pyroscope is an open source continuous profiling platform. It will help you:

• Find performance issues in your code
• Resolve issues with high CPU utilization
• Understand the call tree of your application
• Track changes over time

Blackfire Profiler automatically instruments your code to gather data about consumed server resources like memory, CPU time, and I/O. But Blackfire Profiler is more than figures; its interactive Callgraphs make it straightforward to find bottlenecks and improve performance. Moreover, profile comparisons let you understand the impact of your changes.