Labelled PREEMPT_RT, these started development 20 years ago, and for a couple of years they've been used in the special Ubuntu Real-time edition. The previous step in taking them mainstream was ...

and then use a logic analyzer or a scope to measure signal change timing – which is what [Albert David] did when evaluating Linux kernel’s PREEMPT_RT realtime operation patches. When you reach ...

The others have to wait until it releases the spinlock and thus frees the resource. Finally, PREEMPT_RT binds the process change to many other criteria in real-time operation. With PREEMPT_RT ...

CrowdStrike‘s proposed acquisition of access control and threat prevention startup Preempt will help customers protect identity data without compromising productivity or the user experience.