diff --git a/app-admin/bpftune/Manifest b/app-admin/bpftune/Manifest
new file mode 100644
index 0000000000000..b0c1f595fb01b
--- /dev/null
+++ b/app-admin/bpftune/Manifest
@@ -0,0 +1 @@
+DIST bpftune-0.4-2.gh.tar.gz 1646210 BLAKE2B 3fc5ace8b36da779756c55e6a21a2079fe4f8979501b05563d486077b713c8fc38c42bb6cbb6a5565207bcb0512ac21ed972b70f0ab98ca753d3489a4f5fe365 SHA512 65ce55d446ab347949b5746739f8a555489e00c4bd11e8d4a31b3dcce1d42771d193c89bf471d5c864e38c25fcea9a2a41a6e3e47d17699b4473613bb022a687
diff --git a/app-admin/bpftune/bpftune-0.4_p2.ebuild b/app-admin/bpftune/bpftune-0.4_p2.ebuild
new file mode 100644
index 0000000000000..c670999bd0c9e
--- /dev/null
+++ b/app-admin/bpftune/bpftune-0.4_p2.ebuild
@@ -0,0 +1,46 @@
+# Copyright 2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+LLVM_COMPAT=( {11..21} )
+
+inherit toolchain-funcs llvm-r2
+
+MY_PV=${PV/_p/-}
+MY_P=${PN}-${MY_PV}
+DESCRIPTION="BPF driven auto-tuning"
+HOMEPAGE="https://github.com/oracle/bpftune"
+SRC_URI="https://github.com/oracle/bpftune/archive/refs/tags/${MY_PV}.tar.gz -> ${MY_P}.gh.tar.gz"
+S=${WORKDIR}/${MY_P}
+
+LICENSE="GPL-2"
+SLOT="0/0"
+KEYWORDS="~amd64"
+
+# tests need root
+RESTRICT="test"
+
+DEPEND="
+	dev-libs/libbpf:=
+	sys-libs/libcap:=
+	dev-util/bpftool
+	dev-libs/libnl:=
+"
+RDEPEND="
+	${DEPEND}
+"
+BDEPEND="
+	$(llvm_gen_dep '
+		llvm-core/clang:${LLVM_SLOT}=
+		llvm-core/llvm:${LLVM_SLOT}=
+	')
+"
+
+PATCHES=(
+	"${FILESDIR}/bpftune-0.4_p2-cflags.patch"
+)
+
+src_compile() {
+	emake CC="$(tc-getCC)" CLANG="${CHOST}-clang"
+}
diff --git a/app-admin/bpftune/files/bpftune-0.4_p2-cflags.patch b/app-admin/bpftune/files/bpftune-0.4_p2-cflags.patch
new file mode 100644
index 0000000000000..decbc7fb115e9
--- /dev/null
+++ b/app-admin/bpftune/files/bpftune-0.4_p2-cflags.patch
@@ -0,0 +1,13 @@
+diff --git a/src/Makefile b/src/Makefile
+index b42f945..c703321 100644
+--- a/src/Makefile
++++ b/src/Makefile
+@@ -57,7 +57,7 @@ endif
+ VERSION = 0.4.2
+ VERSION_SCRIPT  := libbpftune.map
+ 
+-CFLAGS = -fPIC -Wall -Wextra -g -I../include -std=c99
++CFLAGS += -fPIC -Wall -Wextra -g -I../include -std=c99
+ 
+ CFLAGS += -DBPFTUNE_VERSION='"$(BPFTUNE_VERSION)"' \
+ 	  -DBPFTUNER_PREFIX_DIR='"$(prefix)"' \
diff --git a/app-admin/bpftune/metadata.xml b/app-admin/bpftune/metadata.xml
new file mode 100644
index 0000000000000..74ae4dcd170fe
--- /dev/null
+++ b/app-admin/bpftune/metadata.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>chutzpah@gentoo.org</email>
+		<name>Patrick McLean</name>
+	</maintainer>
+	<upstream>
+		<remote-id type="github">oracle/bpftune</remote-id>
+	</upstream>
+</pkgmetadata>