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TOREMOVE: readme

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# Nix
# Nix Profiled With Tracy
[![Open Collective supporters](https://opencollective.com/nixos/tiers/supporter/badge.svg?label=Supporters&color=brightgreen)](https://opencollective.com/nixos)
[![Test](https://github.com/NixOS/nix/workflows/Test/badge.svg)](https://github.com/NixOS/nix/actions)
## Profiling Idea
Nix is a powerful package manager for Linux and other Unix systems that makes package
management reliable and reproducible. Please refer to the [Nix manual](https://nixos.org/nix/manual)
for more details.
TODO: explain
## Installation and first steps
- Tracing thunk force operations.
- Eval is single-threaded and recursive: easy to build stack frames
out of global eval state.
- Profiling infos are streamed to tracy server in that prototype.
- In previous iterations, we tried:
- keep the profile in memory and save it to memory in a previous iteration. See [andir's version](https://git.alternativebit.fr/picnoir/Nix/src/branch/pic/tracy-on-top-of-andi) for code/more infos.
- eBPF approach using USDTs (through bcc). We kept over-running the kernel/userspace ring buffer. See [here](https://git.alternativebit.fr/picnoir/Nix/src/branch/nin/usdt-rust) for more infos/code.
Visit [nix.dev](https://nix.dev) for [installation instructions](https://nix.dev/tutorials/install-nix) and [beginner tutorials](https://nix.dev/tutorials/first-steps).
## TODOs
Full reference documentation can be found in the [Nix manual](https://nixos.org/nix/manual).
## Building And Developing
See our [Hacking guide](https://nixos.org/manual/nix/unstable/contributing/hacking.html) in our manual for instruction on how to
set up a development environment and build Nix from source.
## Contributing
Check the [contributing guide](./CONTRIBUTING.md) if you want to get involved with developing Nix.
## Additional Resources
- [Nix manual](https://nixos.org/nix/manual)
- [Nix jobsets on hydra.nixos.org](https://hydra.nixos.org/project/nix)
- [NixOS Discourse](https://discourse.nixos.org/)
- [Matrix - #nix:nixos.org](https://matrix.to/#/#nix:nixos.org)
## License
Nix is released under the [LGPL v2.1](./COPYING).
- Add config flag to enable tracing.
- Remove tracy submodule approach, inject it through Nix.
-