am 5c9d9949: am 6ee412d5: Also dump system process threads halfway through the watchdog interval

Merge commit '5c9d99496dab7a5cfe7cd37df749075ec9b4421b' into kraken

* commit '5c9d99496dab7a5cfe7cd37df749075ec9b4421b':
  Also dump system process threads halfway through the watchdog interval