13+ Java Profiler UK. Jprofiler is the leading java profiler for profiling on the jvm. However, using one type of profiler is not enough.
Agent profilers — use java instrumentation api to inject code into the application;
When you start a profiling session, java visualvm attaches to the local application and starts collecting profiling data. I find it useful to compare the results it provides with the profiler works with openjdk, oracle jdk and other java runtimes based on hotspot jvm. Jprofiler is the leading java profiler for profiling on the jvm. In most cases, sampling profilers are used first and tracing profilers are only used for fine grained tuning or deep dive analysis.