Initial commit

meta-phosphor/recipes-support/rng-tools/rng-tools/10-nice.conf

@@ -0,0 +1,6 @@
+[Service]
+# Make the priority of the random number generator seeding
+# process nearly the lowest on the system but allow
+# daemons to have lower priority if desired. This makes our
+# system much more responsive during boot.
+Nice=18

meta-phosphor/recipes-support/rng-tools/rng-tools_%.bbappend

@@ -0,0 +1,25 @@
+FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}:"
+PACKAGECONFIG:remove = "\
+        ${@bb.utils.contains('MACHINE_FEATURES', 'hw-rng', \
+                             'libjitterentropy', '', d)}\
+        "
+
+SRC_URI += "file://10-nice.conf"
+
+inherit systemd
+
+do_install:append() {
+    # When using systemd and using libjitterentropy, install a config
+    # which runs rngd at a 'nice' priority.  libjitterentropy uses a
+    # lot of CPU early on in the boot process and makes the whole boot
+    # go slower.
+    if ${@bb.utils.contains('DISTRO_FEATURES', 'systemd', 'true', 'false', d)}; then
+        if ${@bb.utils.contains('PACKAGECONFIG', 'libjitterentropy', 'true', 'false', d)}; then
+            install -d ${D}${systemd_system_unitdir}/rngd.service.d
+            install -m 644 ${WORKDIR}/10-nice.conf \
+                ${D}${systemd_system_unitdir}/rngd.service.d
+        fi
+    fi
+}
+
+FILES:${PN} += "${systemd_system_unitdir}/rngd.service.d"