gentoo-overlay/dev-util/lttng-tools/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<maintainer type="person">
		<email>dlan@gentoo.org</email>
		<name>Yixun Lan</name>
	</maintainer>

	<longdescription>
		LTTng, the Linux Trace Toolkit Next Generation, is a project that aims at producing a highly efficient full system tracing solution
	</longdescription>
	<use>
		<flag name="ust">Support LTTng-UST (Userspace Tracing)</flag>
	</use>
</pkgmetadata>