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Right now, to show someone a profile on speedscope, I either have to:
- Give them my trace file and have them import it into speedscope
- Upload my trace file somewhere (e.g. GitHub Gist) and send them a speedscope link with a
#profileURLfragment
I'd like to be able to embed the input directly into the URL, like http://speedscope.app#profileBlob=<URL-encoded file contents>. This would let me give people links that they can check out without any extra steps and without depending on 3rd-party services. It would also make it easy for tools—say, CI workflows—to output speedscope links.
The traces that I work with are ~500 kB. Chrome supposedly allows URLs as big as 2 MB, though I haven't tested this.
I've tried a data: URL, like this:
https://www.speedscope.app/#profileURL=data:text/plain;charset=utf-8;base64,cm9ib3Rfc2VydmVyLmFwcDty...
But speedscope gives me a "something went wrong" error and I see this in the console:
Failed to load resource: net::ERR_INVALID_URL
speedscope.6f107512.js:183 Failed to load format TypeError: Failed to fetch
If this feature sounds good, I'm happy to try working on it.
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