P99 CONF 2025 is coming Oct 22-23! Call for speakers is open.

SESSION ON-DEMAND

All Things P99

The event for developers who care about P99 percentiles and high-performance, low-latency applications

Understanding Request Latency with Wallclock Profiling

Analyzing request latency is tough since it’s not always CPU-bound. Many devs give up on CPU profiling, but sampling profilers can help. This talk dives into wallclock profiling and Datadog’s innovative profiling tech to uncover off-CPU activities and unexpected issues. 

20 minutes

Richard Startin, Senior Software Engineer at Datadog

Richard has over ten years experience working on systems written in Java, including trading systems, big data, and payments systems. Richard has made a diverse set of open source contributions, is an Apache Pinot committer, and has contributed to OpenJDK and JMC. At Datadog, he has worked on tracing and profiling of applications running on the JVM.