ulyp
ulyp is a command-line utility designed for analyzing Java application performance. Its primary function is to collect and present data about the execution of Java programs, aiding developers in identifying performance bottlenecks and understanding application behavior. The tool works by attaching to a running Java process and intercepting method calls, providing insights into execution times, call frequencies, and thread activity.
The output of ulyp typically includes a hierarchical view of method invocations, allowing users to trace the
While ulyp provides valuable performance data, it's important to note that the overhead introduced by profiling