v8vision is a telemetry profiling tool for v8.
Install all dependencies by running npm install
cd into the server directory, and then transpile the server code:
npm run build
In a new terminal window, from the dist directory, run the server:
node server.js
Finally, open index.html from the client directory. For a list of queries supported, see Queries below.
The following GET queries are supported:
-
dashboard: Shows a dashboard of v8 performance counters, as well as v8 instance stats. -
plots=<instance>: Plots the performance counters for the given instance. -
details=<instance>: Shows the occurrence of different v8 events with time, with details on how and where those events occurred (function / bundle names, function type etc.)