[Unit]
Description=Write back disk latency to DB
After=basic.target
DefaultDependencies=no
Conflicts=shutdown.target
IgnoreOnIsolate=yes

[Service]
Type=oneshot
ExecStart=/usr/bin/true
ExecStop=/usr/syno/bin/syno_disk_latency_collector writeback
RemainAfterExit=yes

[X-Synology]