crawlio: Tool that slows down I/O operations
crawlio: Tool that slows down I/O operations

github.com
GitHub - serpent7776/crawlio: Tool that slows down I/O operations

Crawlio is a simple C tool that slows down I/O operations by adding a specified amount of time to each I/O call. It uses LD_PRELOAD.
- Test application behaviour under slow I/O conditions
- Bring back the dial-up nostalgia
- Learn how to use LD_PRELOAD
If only there was some framework that already did this….
There is?
What is it
BPF,
or you can just use a CGroup.
https://www.freedesktop.org/software/systemd/man/latest/systemd.resource-control.html