Is metering feature supported on WASI?

[jmb-51]

Hi All,

I have tried to combine examples of metering and wasi into a test crate to investigate if it is possible to do so.
Metering example from wasmer
WASI example from wasmer

I have also used the sample hello wasi wasm code found here.

However when I added the metering middleware into the wasi example, I am unable to call the function defined in the wasm code.
The metering middleware is pushed by Cranelift compiler and I am using Universal engine.

TLDR:
I would appreciate if there are pointers/hints on how to debug the stack trace output from wasmer.
I would like to know if metering is supported in Wasmer's WASI implementation?

Thanks a lot for the help.

Files:
cranelift-wasi-metering.tar.gz
result.log

[jcaesar]

Metering triggers an unreachable instruction when it runs out of points. Since you've only given it 10 points, I suspect that's what's happening. Try starting with 10¹⁰ points, that should be good for at least a second of execution.