Multiple core real-time task execution

摘要

A real-time task may initially be performed by a first thread that is executing on a first core of a multi-core processor. A second thread may be initiated to take over the performance of the real-time task on a second core of the multi-core processor while the first thread is performing the real-time task. The performance of the real-time tasks is then transferred from the first thread to the second thread with the execution of the second thread on the second core to perform the real-time task.

主权项

1. A method comprising:
performing a real-time task execution using a first thread on a first core of a multi-core processor; acquiring, by a second thread, a thread affinity for the second thread to execute the real-time task on a second core of the multi-core processor; storing a switch object in a queue that is accessible to the first thread and the second thread; writing, by the second thread, a callee ready indicator to a variable in the switch object; receiving, by the first thread, the callee ready indicator from the queue; writing, by the first thread, a caller ready indicator to the variable in the switch object; determining, by the second thread, that the caller ready indicator is in the variable; and transferring performance of the real-time task from the first thread to the second thread after the second thread is executing on the second core to perform the real-time task based at least in part on the determining.