How do I see the logs of a VSCode Language Server process? - visual-studio-code

Question

Situation
I'm experimenting with writing a VSCode Language Server Protocol (LSP) Extension. I've got it running as follows:
An lsp-server process which is launched by running haskell-lsp-example-exe from terminal
An lsp-client written in Typescript which, for now, basically just launches lsp-server (it's based on the lsp-sample repo)
The lsp-server is launch as follows:
# extension.ts
let serverOptions: ServerOptions = {
run: {
command: "haskell-lsp-example-exe"
},
}
The lsp-client is launched using code --extensionDevelopmentPath="path/to/extension"
I can see that it launches correctly, and I can find its pid through Activity Monitor (I'm on Mac).
Question
How can I see the logs of this process which is spawned by VSCode?
Context
I have tried the following:
In lsp-client/package.json I set the following which gives me the messages going back and forth. But not the logs of lsp-server.:
"languageServerExample.trace.server": {
"scope": "window",
"type": "string",
"enum": [
"off",
"messages",
"verbose"
],
"default": "verbose",
"description": "Traces the communication between VS Code and the language server."
}
I've also tried opening up dev tools in the launched instance of VSCode, but that gives the logs of lsp-client
The log labelled Log (Extension Host) in the launched instance of VSCode also doesn't look too useful
Thanks in advance for any help!