| # fx ninjatrace2json | |
| Collect Ninja trace information for analysis in chrome://tracing | |
| ```none | |
| Usage: fx ninjatrace2json | |
| Use this after a build to write "ninjatrace.json" in the build directory. | |
| ``` | |
| [ninjatrace2json source code](https://cs.opensource.google/fuchsia/fuchsia/+/main:tools/devshell/ninjatrace2json) |