Packages with the systemtap use flag

app-emulation / libguestfs : Tools for accessing, inspect and modifying virtual machine (VM) disk images

Use dev-util/systemtap to inspect VM via "probes" way

app-emulation / qemu : QEMU + Kernel-based Virtual Machine userland tools

Enable SystemTAP/DTrace tracing

dev-db / mariadb : An enhanced, drop-in replacement for MySQL

Build support for profiling and tracing using dev-util/systemtap

dev-db / mysql : A fast, multi-threaded, multi-user SQL database server

Build support for profiling and tracing using dev-util/systemtap

dev-db / mysql-cluster : An enhanced, drop-in replacement for MySQL

Build support for profiling and tracing using dev-util/systemtap

dev-db / percona-server : Fully compatible, enhanced and open source drop-in replacement for MySQL

Build support for profiling and tracing using dev-util/systemtap

dev-java / openjdk : Open source implementation of the Java programming language

Enable SystemTAP/DTrace tracing

dev-lang / gnat-gpl : GNAT Ada Compiler - GPL version

enable systemtap static probe points

dev-libs / glib : The GLib library of C routines

Build support for profiling and tracing using dev-util/systemtap

dev-util / perf : Userland tools for Linux Performance Counters

Add support to define SDT event in perf tools.

net-libs / grpc : Modern open source high performance RPC framework

Enable SystemTAP/DTrace tracing

net-libs / nodejs : A JavaScript runtime built on Chrome's V8 JavaScript engine

Enable SystemTAP/DTrace tracing

sys-cluster / glusterfs : GlusterFS is a powerful network/cluster filesystem

Enable support for dev-util/systemtap

sys-devel / gcc : The GNU Compiler Collection

enable systemtap static probe points

sys-libs / glibc : GNU libc C library

enable systemtap static probe points