| Package | Local Description (use.local.desc) | Metadata Description (metadata.xml) |
|---|---|---|
| app-emulation/qemu | - | Enable SystemTap/DTrace tracing |
| dev-libs/glib | - | Build support for profiling and tracing using <pkg>dev-debug/systemtap</pkg> |
| net-libs/nodejs | - | Enable SystemTap/DTrace tracing |