Monitoring of shared-resource locks in a multi-processor system with locked-resource bits packed into registers to detect starved threads

• Main Authors: Nemirovsky, Mario, Musoll, Enrique, Huynh, Jeffrey
• Format: Patent
• Language: English
• Published: 04.08.2009

A resource-lock monitor detects when processors in a multi-processor system are stuck waiting for access to a shared resource. A lock-monitor register has a lock bit and a sticky-lock bit for each processor being monitored. The lock and the sticky-lock bits are both set when the processor executes a...