From 55944e5e40b1be2afc4855d8d2baf4b73d1876b5 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 10 Apr 2024 22:49:52 +0200 Subject: Adding upstream version 255.4. Signed-off-by: Daniel Baumann --- test/units/testsuite-79.sh | 58 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100755 test/units/testsuite-79.sh (limited to 'test/units/testsuite-79.sh') diff --git a/test/units/testsuite-79.sh b/test/units/testsuite-79.sh new file mode 100755 index 0000000..205f7f3 --- /dev/null +++ b/test/units/testsuite-79.sh @@ -0,0 +1,58 @@ +#!/usr/bin/env bash +# SPDX-License-Identifier: LGPL-2.1-or-later +set -ex +set -o pipefail + +# We not just test if the file exists, but try to read from it, since if +# CONFIG_PSI_DEFAULT_DISABLED is set in the kernel the file will exist and can +# be opened, but any read()s will fail with EOPNOTSUPP, which we want to +# detect. +if ! cat /proc/pressure/memory >/dev/null ; then + echo "kernel too old, has no PSI." >&2 + echo OK >/testok + exit 0 +fi + +systemd-analyze log-level debug + +CGROUP=/sys/fs/cgroup/"$(systemctl show testsuite-79.service -P ControlGroup)" +test -d "$CGROUP" + +if ! test -f "$CGROUP"/memory.pressure ; then + echo "No memory accounting/PSI delegated via cgroup, can't test." >&2 + echo OK >/testok + exit 0 +fi + +UNIT="test-mempress-$RANDOM.service" +SCRIPT="/tmp/mempress-$RANDOM.sh" + +cat >"$SCRIPT" <<'EOF' +#!/bin/bash + +set -ex + +export +id + +test -n "$MEMORY_PRESSURE_WATCH" +test "$MEMORY_PRESSURE_WATCH" != /dev/null +test -w "$MEMORY_PRESSURE_WATCH" + +ls -al "$MEMORY_PRESSURE_WATCH" + +EXPECTED="$(echo -n -e "some 123000 2000000\x00" | base64)" + +test "$EXPECTED" = "$MEMORY_PRESSURE_WRITE" + +EOF + +chmod +x "$SCRIPT" + +systemd-run -u "$UNIT" -p Type=exec -p ProtectControlGroups=1 -p DynamicUser=1 -p MemoryPressureWatch=on -p MemoryPressureThresholdSec=123ms -p BindPaths=$SCRIPT --wait "$SCRIPT" + +rm "$SCRIPT" + +systemd-analyze log-level info + +touch /testok -- cgit v1.2.3