trace2json

trace2json [options]: Convert a trace from fxt (Fuchsia trace format) to json (Chrome trace format).
Fuchsia trace format: https://fuchsia.googlesource.com/fuchsia/+/HEAD/docs/development/tracing/trace-format/
Chrome trace format: https://docs.google.com/document/d/1CvAClvFfyA5R-PhYUmn5OOQtYMH4h6I0nSsKchNAySU/edit
  --help: Print this help message.
  --input-file=[]: Read trace from the specified file.
  --output-file=[]: Write the converted trace to the specified file. If no file is specified, the output is written to stdout.
  --pattern=[]: A regular expression to match against event names. Events that do not match will be dropped. This parameter may be specified multiple times.