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Trace how much time is spent in wasmtime vs hyperlight_guest vs hyperlight_host #669
Description
In the hl-wasm scenario we also want to understand the differences between time spent in Wasmtime vs in Hyperlight
we should either add trace exits to log when wasmtime execution starts/stops, or we should build a dummy version of the wasm guest that doesn't actually do the function call into wasmtime but just replays a log of parameter/return interactions; either would give us decently realistic view of how much is hyperlight parameter passing, with slightly different accuracy tradeoffs modes
Activity
[-]Profile how much time is spent in Wasmtime vs in Hyperlight[/-][+]Profile how much time is spent in Guest vs Host[/+][-]Profile how much time is spent in Guest vs Host[/-][+]Profile how much time is spent in wasmtime vs hyperlight_guest vs hyperlight_host[/+]syntactically commentedon Jul 1, 2025
@jsturtevant whoops I just realised I reverted your title change by mistake since I didn't notice you had changed it. I do think that guest vs host is not a fine enough description of what we need for this issue however.
dblnz commentedon Jul 23, 2025
Having merged #695 we now need to use the tracing support to add traces to
hyperlight-wasm.[-]Profile how much time is spent in wasmtime vs hyperlight_guest vs hyperlight_host[/-][+]Trace how much time is spent in wasmtime vs hyperlight_guest vs hyperlight_host[/+]