. "${GRIMOIRE}/FUNCTIONS" &&

           SPELL=perf
         VERSION=$(get_kernel_version)
SOURCE_DIRECTORY="${BUILD_DIRECTORY}/${SPELL}-${VERSION}"
        WEB_SITE=https://perf.wiki.kernel.org/
         ENTERED=20190817
         LICENSE=GPL
        KEYWORDS="kernel"
           SHORT="Linux performance analyzing tool"
cat << EOF
Perf is a profiler tool for Linux 2.6+ based systems that abstracts away CPU
hardware differences in Linux performance measurements and presents a simple
commandline interface. Perf is based on the perf_events interface exported by
recent versions of the Linux kernel.
EOF
