tree 4c71a4881db9658ef1dc35be183efa35ae33988e
parent 4a194f89aadc7cd1d7e24622b53855cfb885da75
author Rohan Varma <rvarm1@fb.com> 1583427736 -0800
committer Facebook Github Bot <facebook-github-bot@users.noreply.github.com> 1583427956 -0800

[test all] Back out "Revert D20171428: [profiler] fix chrome tracing for profiler run with cuda"

Summary:
There was an error in
https://github.com/pytorch/pytorch/pull/30724/files that resulted in
export_chrome_trace generating invalid JSON. This only came up when the
profiler is run with use_cuda=True from what it looks like. In the future, we
should have tests that ensure we generate valid JSON because we no longer use
the json library.
ghstack-source-id: 99508836

Test Plan: Added a unit test.

Differential Revision: D20237040

fbshipit-source-id: 510befbdf4ec39632ac56544afcddee6c8cc3aca