Add a limits and trap-on-OOM options to the CLI#6149
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alexcrichton merged 2 commits intoApr 5, 2023
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This commit adds new options to the `wasmtime` CLI to control the `Store::limiter` behavior at runtime. This enables artificially restriction the memory usage of the wasm instance, for example. Additionally a new option is added to `StoreLimits` to force a trap on growth failure. This is intended to help quickly debug modules with backtraces if OOM is happening, or even diagnosing if OOM is happening in the first place.
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pchickey
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With trap_on_grow_failure, finally the very last remaining feature that Lucet had over Wasmtime has found its way home, cc @acfoltzer
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This commit adds new options to the
wasmtimeCLI to control theStore::limiterbehavior at runtime. This enables artificially restriction the memory usage of the wasm instance, for example. Additionally a new option is added toStoreLimitsto force a trap on growth failure. This is intended to help quickly debug modules with backtraces if OOM is happening, or even diagnosing if OOM is happening in the first place.