1 Systrace is now part of Catapult project. The catapult directory contains code 2 from: 3 4 https://github.com/catapult-project/catapult.git 5 6 The file UPSTREAM_REVISION contains the upstream revision number that was last 7 pulled. Changes should be made upstream and then pulled into the catapult 8 directory. 9 10 The update.py script should be used to pull the latest upstream code, update 11 the UPSTREAM_REVISION file, and generate systrace_trace_viewer.html. The 12 generated file is checked into the git repository, and they get embedded in each 13 trace HTML file that systrace.py generates. 14