| #!/bin/bash |
| # Copyright 2019 The Fuchsia Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| #### CATEGORY=Build |
| ### Collect Ninja trace information for analysis in chrome://tracing |
| |
| ## Usage: fx ninjatrace2json |
| ## |
| ## Use this after a build to write "ninjatrace.json" files in the build |
| ## directories (separately for Zircon and Fuchsia build directories). |
| ## Then use the chrome://tracing view to load that file into your browser. |
| |
| set -e |
| |
| source "$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"/lib/vars.sh || exit $? |
| fx-config-read |
| |
| for dir in "$ZIRCON_BUILDROOT" "$FUCHSIA_BUILD_DIR"; do |
| "$HOST_OUT_DIR/ninjatrace" \ |
| -filename "$dir/.ninja_log" -trace-json "$dir/ninjatrace.json" |
| echo "Now visit chrome://tracing and load $dir/ninjatrace.json" |
| done |
