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+perf is a userspace interface to the kernel's perf events. Performance
+counters are CPU hardware registers that count hardware events such as
+instructions executed, cache-misses suffered, or branches mispredicted. They
+form a basis for profiling applications to trace dynamic control flow and
+identify hotspots.
+
+Please note that this SBo doesn't have any sources in the DOWNLOAD
+setting, as the sources are already part of a full slackware install.
+
+Optional dependencies: audit, numactl
+Another optional dependency is libunwind, but it's unsupported for now
+since it requires elfutils which we don't have yet on SBO.