--- artful ---
debian/rules needs --enable-arm to enable arm events. I have a test build of the rasdaemon package in ppa:centriq-team/lp1741978-rasdaemon. I tested this on an ARM64 system and confirmed with QTI that the output is as expected.

ubuntu@boomer:~$ sudo service rasdaemon status
● rasdaemon.service - RAS daemon to log the RAS events
   Loaded: loaded (/lib/systemd/system/rasdaemon.service; enabled; vendor preset
   Active: active (running) since Thu 2018-04-19 23:35:08 UTC; 25s ago
 Main PID: 5002 (rasdaemon)
    Tasks: 1 (limit: 34406)
   Memory: 9.3M
      CPU: 65ms
   CGroup: /system.slice/rasdaemon.service
           └─5002 /usr/sbin/rasdaemon -f -r

Apr 19 23:35:08 boomer rasdaemon[5002]: ras:arm_event event enabled
Apr 19 23:35:08 boomer rasdaemon[5002]: Enabled event ras:arm_event
Apr 19 23:35:08 boomer rasdaemon[5002]: Can't parse /proc/cpuinfo: missing [vend
Apr 19 23:35:08 boomer rasdaemon[5002]: Can't register mce handler
Apr 19 23:35:08 boomer rasdaemon[5002]: Can't get traces from ras:aer_event
Apr 19 23:35:08 boomer rasdaemon[5002]: rasdaemon: Recording mc_event events
Apr 19 23:35:08 boomer rasdaemon[5002]: rasdaemon: Recording aer_event events
Apr 19 23:35:08 boomer rasdaemon[5002]: rasdaemon: Recording extlog_event events
Apr 19 23:35:08 boomer rasdaemon[5002]: rasdaemon: Recording mce_record events
Apr 19 23:35:08 boomer rasdaemon[5002]: rasdaemon: Recording arm_event events

ubuntu@boomer:~$ grep rasdaemon /var/log/syslog 
Apr 19 23:35:08 boomer rasdaemon: ras:mc_event event enabled
Apr 19 23:35:08 boomer rasdaemon: ras:aer_event event enabled
Apr 19 23:35:08 boomer rasdaemon[5003]: rasdaemon: ras:mc_event event enabled
Apr 19 23:35:08 boomer rasdaemon[5003]: rasdaemon: ras:aer_event event enabled
Apr 19 23:35:08 boomer rasdaemon[5003]: rasdaemon: Can't write to set_event
Apr 19 23:35:08 boomer rasdaemon[5003]: rasdaemon: Can't write to set_event
Apr 19 23:35:08 boomer rasdaemon[5003]: rasdaemon: ras:arm_event event enabled
Apr 19 23:35:08 boomer rasdaemon[5002]: rasdaemon: ras:mc_event event enabled
Apr 19 23:35:08 boomer rasdaemon[5002]: rasdaemon: Enabled event ras:mc_event
Apr 19 23:35:08 boomer rasdaemon[5002]: rasdaemon: ras:aer_event event enabled
Apr 19 23:35:08 boomer rasdaemon[5002]: rasdaemon: Enabled event ras:aer_event
Apr 19 23:35:08 boomer rasdaemon[5002]: rasdaemon: ras:arm_event event enabled
Apr 19 23:35:08 boomer rasdaemon[5002]: rasdaemon: Enabled event ras:arm_event
Apr 19 23:35:08 boomer rasdaemon: Can't write to set_event
Apr 19 23:35:08 boomer rasdaemon: Can't write to set_event
Apr 19 23:35:08 boomer rasdaemon[5002]: rasdaemon: Can't parse /proc/cpuinfo: missing [vendor_id] [cpu family] [model] [cpu MHz] [flags]
Apr 19 23:35:08 boomer rasdaemon[5002]: rasdaemon: Can't register mce handler
Apr 19 23:35:08 boomer rasdaemon[5002]: rasdaemon: Can't get ras:extlog_mem_event traces. Perhaps this feature is not supported on your system.
Apr 19 23:35:08 boomer rasdaemon[5002]: rasdaemon: Can't get traces from ras:aer_event
Apr 19 23:35:08 boomer rasdaemon: ras:mc_event event enabled
Apr 19 23:35:08 boomer rasdaemon: Enabled event ras:mc_event
Apr 19 23:35:08 boomer rasdaemon: ras:arm_event event enabled
Apr 19 23:35:08 boomer rasdaemon: ras:aer_event event enabled
Apr 19 23:35:08 boomer rasdaemon[5002]: rasdaemon: Listening to events for cpus 0 to 223
Apr 19 23:35:08 boomer rasdaemon: Enabled event ras:aer_event
Apr 19 23:35:08 boomer rasdaemon: ras:arm_event event enabled
Apr 19 23:35:08 boomer rasdaemon: Enabled event ras:arm_event
Apr 19 23:35:08 boomer rasdaemon: Can't parse /proc/cpuinfo: missing [vendor_id] [cpu family] [model] [cpu MHz] [flags]
Apr 19 23:35:08 boomer rasdaemon: Can't register mce handler
Apr 19 23:35:08 boomer rasdaemon: Can't get traces from ras:aer_event
Apr 19 23:35:08 boomer rasdaemon[5002]: rasdaemon: Recording mc_event events
Apr 19 23:35:08 boomer rasdaemon[5002]: rasdaemon: Recording aer_event events
Apr 19 23:35:08 boomer rasdaemon[5002]: rasdaemon: Recording extlog_event events
Apr 19 23:35:08 boomer rasdaemon[5002]: rasdaemon: Recording mce_record events
Apr 19 23:35:08 boomer rasdaemon[5002]: rasdaemon: Recording arm_event events