# TOOLS This directory contains debugging and investigation tools for V8. The contents are regularly mirrored to . ## Local Development For local development you have to start a local webserver under : ``` cd tools/; npm install; ws; ``` ## Local Symbol Server The system-analyzer can symbolize profiles for local binaries by running a local symbol server ``` cd tools/; ws --stack system-analyzer/lws-middleware.js lws-static cors; ``` Note that the local symbol server will run `nm` and `objdump` and has access to your files.