dev-db/pg_stat_kcache: new package, add 2.3.1

Signed-off-by: Conrad Kostecki <conikost@gentoo.org>

dev-db/pg_stat_kcache/Manifest

@@ -0,0 +1 @@
+DIST pg_stat_kcache-2.3.1.tar.gz 24693 BLAKE2B 3f27820c3d4086e9f6c44afe8aad80ce130acdd99640b61ef2d517a5a767212283604ea02c2da67afd50455afb4e92e4b35b4386d69e24e4afa1df37e086f69c SHA512 e9543685be561be7a12c5d124f9cd826d35bc89ac403bdb44814de662bc424a01ed46f183eeed3a42ae00e2a84cc0ab7ed10ab0ed0437ff5cec7508b98f03bec

dev-db/pg_stat_kcache/metadata.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>conikost@gentoo.org</email>
+		<name>Conrad Kostecki</name>
+	</maintainer>
+	<upstream>
+		<remote-id type="github">powa-team/pg_stat_kcache</remote-id>
+	</upstream>
+	<longdescription>
+		Gathers statistics about real reads and writes done by the filesystem layer.
+		It is provided in the form of an extension for PostgreSQL,
+		and requires pg_stat_statements extension to be installed.
+	</longdescription>
+</pkgmetadata>

dev-db/pg_stat_kcache/pg_stat_kcache-2.3.1.ebuild

@@ -0,0 +1,25 @@
+# Copyright 2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+MY_PV="REL${PV//./_}"
+POSTGRES_COMPAT=( 14 15 16 17 18 )
+POSTGRES_USEDEP="server"
+
+inherit postgres-multi
+
+DESCRIPTION="Statistics about physical disk access and CPU consumption done by backends."
+HOMEPAGE="https://github.com/powa-team/pg_stat_kcache"
+SRC_URI="https://github.com/powa-team/pg_stat_kcache/archive/refs/tags/${MY_PV}.tar.gz -> ${P}.tar.gz"
+S="${WORKDIR}/${PN}-${MY_PV}"
+
+LICENSE="POSTGRESQL"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+
+RESTRICT="test"
+
+src_install() {
+	default
+}