Perf Python Packages

perflens

Real-time Linux perf profiling in your browser. A tiny static C agent streams perf data from any ARM or x86 Linux device, big-endian included, and a Python server renders live flame graphs, function tables and line-level annotated source. Session replay, perf.data import, and an MCP server for AI agents.

flameshow

A terminal Flamegraph viewer.

callsight

Exact per-call timing for the C/C++ code you choose — compile-time entry/exit tracing from one config file, zero source edits.

astral-dev-toolchain-flamegraph

Easy flamegraphs for Rust projects and everything else, without Perl or pipes <3

pybenchkit

A declarative framework for composable performance evaluation of system software.

pymergen

PyMergen is a configuration-driven test automation tool for Linux.