Fully featured low overhead profiler for Java EE and Java SE platforms.
Easy-to-use performance and memory .NET profiler for Windows, Linux and macOS.
Secure and easy profiling in cloud, containers and clustered environments.
Performance monitoring and profiling of Jenkins, Bamboo, TeamCity, Gradle, Maven, Ant and JUnit.

Time measurement (CPU time, wall time)

There are two ways to measure time:

  • CPU time - the time actually spent by CPU executing method code
  • Wall time - the real-world time elapsed between method entry and method exit. If there are other threads/processes concurrently running on the system, they can affect the results.

CPU sampling/tracing

You can customize CPU vs wall time measurement in CPU sampling settings and CPU tracing settings. By default, sampling measures CPU time and tracing measures wall time.

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