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rperf2

Tool for latency-analysis in Java

How it works

There are two modes for rperf2:

  1. Classic mode: just skip N invocaitons and profile N+1 invocation
  2. Quantile analysis mode: you specify required percentile, after that profiler will wait for appropriate case of slowing down and outputs TOP and trace

How to build

  1. Download with modules git clone --recursive REPO_URL_YOU_USE
  2. Build profiler make build-libipt (may require some environment variables to be set)
  3. Build instrumenter agent make build-instrumenter
  4. Use it! See examples at Makefile