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-rwxr-xr-xtest/units/testsuite-32.sh38
1 files changed, 38 insertions, 0 deletions
diff --git a/test/units/testsuite-32.sh b/test/units/testsuite-32.sh
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+#!/usr/bin/env bash
+# SPDX-License-Identifier: LGPL-2.1-or-later
+set -eux
+set -o pipefail
+
+# Let's run this test only if the "memory.oom.group" cgroupfs attribute
+# exists. This test is a bit too strict, since the "memory.events"/"oom_kill"
+# logic has been around since a longer time than "memory.oom.group", but it's
+# an easier thing to test for, and also: let's not get confused by older
+# kernels where the concept was still new.
+
+if test -f /sys/fs/cgroup/system.slice/testsuite-32.service/memory.oom.group; then
+ systemd-analyze log-level debug
+
+ # Run a service that is guaranteed to be the first candidate for OOM killing
+ systemd-run --unit=oomtest.service \
+ -p Type=exec -p OOMScoreAdjust=1000 -p OOMPolicy=stop -p MemoryAccounting=yes \
+ sleep infinity
+
+ # Trigger an OOM killer run
+ echo 1 >/proc/sys/kernel/sysrq
+ echo f >/proc/sysrq-trigger
+
+ while : ; do
+ STATE="$(systemctl show -P ActiveState oomtest.service)"
+ [ "$STATE" = "failed" ] && break
+ sleep .5
+ done
+
+ RESULT="$(systemctl show -P Result oomtest.service)"
+ test "$RESULT" = "oom-kill"
+
+ systemd-analyze log-level info
+fi
+
+echo OK >/testok
+
+exit 0