Skip to main content

Peter Lawrey: Micro jitter, busy waiting and binding CPUs

Performance profiling a new machine: When I work on a new machine, I like to get an understanding of it's limitations. In this post I am looking at the jitter on the machine and the impact of busy waiting for a new PC I built this weekend... My micro jitter sampler looks at interrupts to a running thread. It is similar to jHiccup but instead of measuring how delayed a thread is in waking up, it measures how delayed a thread gets once it has started running...

Community: General