fx download-metrics

Downloads metrics artifacts from CAS.

Usage: fx download-metrics <build_id> <out_dir>

Downloads performance test artifacts from Content Addressable Storage (CAS)
into the specified output directory.

Arguments:
  build_id   The Buildbucket build ID to download metrics from.
  out_dir    The directory to save the downloaded CAS contents into.
             This directory will be created if it does not exist.

download-metrics source code