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Diffstat (limited to 'sys-process/rtirq/rtirq-20240220.ebuild')
-rw-r--r--sys-process/rtirq/rtirq-20240220.ebuild56
1 files changed, 56 insertions, 0 deletions
diff --git a/sys-process/rtirq/rtirq-20240220.ebuild b/sys-process/rtirq/rtirq-20240220.ebuild
new file mode 100644
index 000000000000..a98fe254b6af
--- /dev/null
+++ b/sys-process/rtirq/rtirq-20240220.ebuild
@@ -0,0 +1,56 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="8"
+
+inherit linux-info systemd
+
+DESCRIPTION="Modify realtime scheduling policy and priority of IRQ handlers"
+HOMEPAGE="https://www.rncbc.org/archive/#rtirq"
+SRC_URI="https://www.rncbc.org/archive/${P}.tar.gz
+ https://www.rncbc.org/archive/old/${P}.tar.gz"
+
+LICENSE="GPL-2+"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+
+RDEPEND="
+ sys-apps/util-linux
+"
+
+src_prepare() {
+ # We install into bin
+ sed -i -e "s:/usr/sbin/rtirq:/usr/bin/rtirq:" ${PN}{,-resume}.service || die
+
+ default
+}
+
+src_install() {
+ newbin rtirq.sh rtirq
+ newinitd "${FILESDIR}"/rtirq.initd rtirq
+ insinto /etc/
+ doins rtirq.conf
+ systemd_dounit rtirq{,-resume}.service
+}
+
+pkg_postinst() {
+ local kconfig_warn=1
+ local cmdline
+ local ver
+
+ if linux-info_get_any_version && linux_config_exists; then
+ if linux_chkconfig_present PREEMPT_RT; then
+ kconfig_warn=0
+ elif linux_chkconfig_present IRQ_FORCED_THREADING; then
+ cmdline=$(< /proc/cmdline) || die
+ [[ ${cmdline} == *threadirqs* ]] && kconfig_warn=0
+ fi
+ fi
+
+ if (( ${kconfig_warn} )); then
+ ewarn "To use rtirq, you need one of the following kernel configurations:"
+ ewarn " - PREEMPT_RT config option enabled (e.g. with sys-kernel/rt-sources);"
+ ewarn " - IRQ_FORCED_THREADING config option enabled and 'threadirqs' option"
+ ewarn " added to the kernel cmdline."
+ fi
+}