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7d5f4f1d4f
The memory pressure should be small, but let's log the value in the journal of the test environment.
92 lines
3.1 KiB
Bash
Executable File
92 lines
3.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -eux
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set -o pipefail
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systemd-analyze log-level debug
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systemd-analyze log-target console
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# Loose checks to ensure the environment has the necessary features for systemd-oomd
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[[ -e /proc/pressure ]] || echo "no PSI" >>/skipped
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cgroup_type="$(stat -fc %T /sys/fs/cgroup/)"
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if [[ "$cgroup_type" != *"cgroup2"* ]] && [[ "$cgroup_type" != *"0x63677270"* ]]; then
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echo "no cgroup2" >>/skipped
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fi
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if [ ! -f /usr/lib/systemd/systemd-oomd ] && [ ! -f /lib/systemd/systemd-oomd ]; then
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echo "no oomd" >>/skipped
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fi
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if [[ -e /skipped ]]; then
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exit 0
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fi
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rm -rf /etc/systemd/system/testsuite-55-testbloat.service.d
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echo "DefaultMemoryPressureDurationSec=2s" >>/etc/systemd/oomd.conf
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mkdir -p /etc/systemd/system/systemd-oomd.service.d/
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echo -e "[Service]\nEnvironment=SYSTEMD_LOG_LEVEL=debug" >/etc/systemd/system/systemd-oomd.service.d/debug.conf
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systemctl daemon-reload
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# if oomd is already running for some reasons, then restart it to make sure the above settings to be applied
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if systemctl is-active systemd-oomd.service; then
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systemctl restart systemd-oomd.service
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fi
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systemctl start testsuite-55-testchill.service
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systemctl start testsuite-55-testbloat.service
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# Verify systemd-oomd is monitoring the expected units
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oomctl | grep "/testsuite-55-workload.slice"
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oomctl | grep "1.00%"
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oomctl | grep "Default Memory Pressure Duration: 2s"
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systemctl status testsuite-55-testchill.service
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# systemd-oomd watches for elevated pressure for 2 seconds before acting.
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# It can take time to build up pressure so either wait 2 minutes or for the service to fail.
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timeout="$(date -ud "2 minutes" +%s)"
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while [[ $(date -u +%s) -le $timeout ]]; do
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if ! systemctl status testsuite-55-testbloat.service; then
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break
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fi
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sleep 2
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done
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# testbloat should be killed and testchill should be fine
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if systemctl status testsuite-55-testbloat.service; then exit 42; fi
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if ! systemctl status testsuite-55-testchill.service; then exit 24; fi
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# only run this portion of the test if we can set xattrs
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if setfattr -n user.xattr_test -v 1 /sys/fs/cgroup/; then
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sleep 120 # wait for systemd-oomd kill cool down and elevated memory pressure to come down
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mkdir -p /etc/systemd/system/testsuite-55-testbloat.service.d/
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echo "[Service]" >/etc/systemd/system/testsuite-55-testbloat.service.d/override.conf
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echo "ManagedOOMPreference=avoid" >>/etc/systemd/system/testsuite-55-testbloat.service.d/override.conf
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systemctl daemon-reload
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systemctl start testsuite-55-testchill.service
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systemctl start testsuite-55-testmunch.service
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systemctl start testsuite-55-testbloat.service
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timeout="$(date -ud "2 minutes" +%s)"
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while [[ "$(date -u +%s)" -le "$timeout" ]]; do
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if ! systemctl status testsuite-55-testmunch.service; then
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break
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fi
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sleep 5
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done
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# testmunch should be killed since testbloat had the avoid xattr on it
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if ! systemctl status testsuite-55-testbloat.service; then exit 25; fi
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if systemctl status testsuite-55-testmunch.service; then exit 43; fi
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if ! systemctl status testsuite-55-testchill.service; then exit 24; fi
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fi
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systemd-analyze log-level info
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echo OK >/testok
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exit 0
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