2 files changed, 48 insertions, 0 deletions

diff --git a/meta-oe/recipes-core/packagegroups/packagegroup-meta-oe.bb b/meta-oe/recipes-core/packagegroups/packagegroup-meta-oe.bb
index 9fd7af6c08..0cbe3964c4 100644
--- a/meta-oe/recipes-core/packagegroups/packagegroup-meta-oe.bb
+++ b/meta-oe/recipes-core/packagegroups/packagegroup-meta-oe.bb
@@ -68,6 +68,7 @@ RDEPENDS:packagegroup-meta-oe-benchmarks = "\
     nbench-byte \
     phoronix-test-suite \
     qperf \
+    rtla \
     s-suite \
     stressapptest \
     tinymembench \
diff --git a/meta-oe/recipes-kernel/rtla/rtla.bb b/meta-oe/recipes-kernel/rtla/rtla.bb
new file mode 100644
index 0000000000..829804c4ea
--- /dev/null
+++ b/meta-oe/recipes-kernel/rtla/rtla.bb
@@ -0,0 +1,47 @@
+SUMMARY = "Real-Time Linux Analysis tool"
+LICENSE = "GPL-2.0-only"
+
+DEPENDS = "libtraceevent libtracefs"
+PROVIDES = "virtual/rtla"
+
+B = "${WORKDIR}/${BPN}-${PV}"
+
+inherit kernelsrc kernel-arch pkgconfig
+
+do_populate_lic[depends] += "virtual/kernel:do_shared_workdir"
+
+PACKAGECONFIG ??= ""
+PACKAGECONFIG[cpupower] = ",,cpupower"
+
+EXTRA_OEMAKE = "V=1 -C ${S}/tools/tracing/rtla O=${B} CROSS=${TARGET_PREFIX} \
+    CC="${CC} ${DEBUG_PREFIX_MAP} -D_GNU_SOURCE" LD="${LD}" AR=${AR} ARCH=${ARCH} \
+    BUILD_BPF_SKEL=0"
+
+do_compile() {
+    # Older kernels (before 6.9) use a standalone rtla Makefile that does not honor
+    # O= so outputs land in the kernel source tree (shared workdir). Remove
+    # build output to make sure it is rebuilt. For newer kernels this wil be a no-op.
+    rm -f ${S}/tools/tracing/rtla/rtla
+    rm -f ${S}/tools/tracing/rtla/src/*.o
+
+    # Older kernels need additional variable EXTRA_LDFLAGS to pick up correct linker options.
+    export EXTRA_LDFLAGS="${LDFLAGS}"
+    oe_runmake
+}
+
+do_install() {
+    install -d ${D}${bindir}
+
+    # Older kernels (before 6.9) use a standalone rtla Makefile that does not honor
+    # O= for the final binary, so it ends up in the kernel source tree.
+    rtla_bin="${B}/rtla"
+    [ -f "${rtla_bin}" ] || rtla_bin="${S}/tools/tracing/rtla/rtla"
+    install -m 755 "${rtla_bin}" ${D}${bindir}/rtla
+
+    # rtla, osnoise, hwnoise, and timerlat are all the same binary
+    ln -s rtla ${D}${bindir}/osnoise
+    ln -s rtla ${D}${bindir}/hwnoise
+    ln -s rtla ${D}${bindir}/timerlat
+}
+
+PACKAGE_ARCH = "${MACHINE_ARCH}"