elbaro / downtown

downtown

A realtime BPF profiler.

cargo install downtown

v0.1.0 - supports Python.

Usage

• ./downtown src/mycode.py: monitor all python processes (/usr/bin/env python)
• ./downtown src/mycode.py --pid 123: monitor /proc/123/exe
• ./downtown src/mycode.py --python-bin ./python: monitor a python binary
• up, down - scroll
• enter - toggle

Requirement

• Build dependencies
  • libelf (Ubuntu: apt install libelf-dev)
  • clang
• Python built with --with-dtrace
  • on Linux, verify with readelf -S ./python | grep .note.stapsdt