crawlio: Tool that slows down I/O operations

a year ago by Serpent7776 to c/commandline

Tool that slows down I/O operations. Contribute to serpent7776/crawlio development by creating an account on GitHub.

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

chonkyninja -1 points a year ago

If only there was some framework that already did this….

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Serpent7776 0 points a year ago

There is?

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ExperimentalGuy 0 points a year ago

What is it

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chonkyninja 2 points a year ago

BPF,

or you can just use a CGroup.

https://www.freedesktop.org/...

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Serpent7776 1 point a year ago

AFAIK you can't do this with BPF as it doesn't have any kind of sleep functionality. I'm also not sure how would you achive this using cgroup, which are about quotas AFAIK.

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