HPS-Core Stress Testing

Todo

• Testing with HDD images on a computer core
• DDR3 testing
• Any other potential risks?

CD Images

• Custom PSX core build which tallies and reports disk read errors
• Spyro the Dragon (USA).chd used for all tests (used because it has XA audio tracks)
  • MD5: 916479df840e2a922818f18001fbc2c4
  • Image stored on:
    • SD card
    • External USB mechanical HDD (USB powered)
    • CIFS over ethernet
    • CIFS over Wi-Fi
• Script daemons running:
  • remote.sh (nice 1, many inotify watchers, runs regular mdns scan and service register)
  • lastplayed.sh (nice 1, some inotify watchers, otherwise does nothing until game or core changes)
  • playlog.sh (nice 1, some inotify watchers, makes small write to sqlite db on SD every 5 minutes)
  • nfc.sh (nice 1, one inotify watcher, no disk activity but has a constant ~3-4% CPU usage)
  • bgm.sh (some inotify watchers, otherwise does nothing unless explicitly made to play music)
  • TODO: SAM w/ controller polling
• Before each test, hpscore.py is run to restart the PSX core and load Spyro save state to World 1

Notes

• Opening OSD can cause (safe) read errors
• Mounting CIFS causes read errors (1e072)
• Browsing mounted CIFS does not cause read errors
• Browsing SD card does not cause read errors
• Wallpapers and screenshots load without error consistently (over 500mb of SD data)
• Connecting a controller causes read errors (fe98c)

From SD card

Test	Errors?	Error count	Notes
No daemons	No	0
Idle 6hrs w/ daemons	No	0
scp Spyro CHD to PC (ethernet)	Yes	c7ff6	Some minor audio clipping and slowdown
Opening remote search page	Yes	d2b30	Likely due to system list scan, obvious audio clipping
Opening cached remote search page	Yes	24239	No audio clipping
Opening all other remote pages	No	0	Including full load of screenshots & wallpapers
Sending control key presses	No	0
Browsing menu Arcade folder	Yes	0a662	Obvious clipping
Browsing cached Arcade folder	No	0
Browsing other menu folders	No	0
Polling bgm service	No	0
Playing music file	Yes	1de64	Intermittently, during some initial track load
Setting active wallpaper	No	0
Changing .ini settings	No	0
Generating search index (SD & CIFS ethernet)	Yes	fcbff	Long process, many obvious audio issues

From wifi

• Loading game and save state over wifi causes immediate read errors and these tick up intermittently at idle
• Mounting images over wifi causes so many read errors that the count often wraps

Test	Errors?	Error count	Notes
No daemons
Idle 6hrs w/ daemons	Yes	-
scp Spyro CHD to PC (wifi)	Yes
Opening remote search page	Yes
Opening cached remote search page	Yes
Opening all other remote pages	No
Sending control key presses	No
Browsing menu Arcade folder	No
Browsing cached Arcade folder	No
Browsing other menu folders	No
Polling bgm service	No
Playing music file	Yes
Setting active wallpaper
Changing .ini settings
Generating search index (SD & CIFS wifi)	Yes