Speaking of viewers, web browsers come with their own profile viewers. Maybe you could simply piggyback on these.
For Chrome this happens at the chrome://tracing address and the JSON file format it can read is described here.
For Firefox it's in the browser's webdeveloper performance tools or here. The format seems to be a little bit less well documented but some type defintions can be found here.
Speaking of viewers, web browsers come with their own profile viewers. Maybe you could simply piggyback on these.
For Chrome this happens at the
chrome://tracingaddress and the JSON file format it can read is described here.For Firefox it's in the browser's webdeveloper performance tools or here. The format seems to be a little bit less well documented but some type defintions can be found here.