> On Jan 25, 2020, at 6:19 AM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote: > > On Fri, Jan 24, 2020 at 01:19:05PM -0500, Alex Kogan wrote: > >> Is there a lightweight way to identify such a “prioritized” thread? > > No; people might for instance care about tail latencies between their > identically spec'ed worker tasks. I would argue that those users need to tune/reduce the intra-node handoff threshold for their needs. Or disable CNA altogether. In general, Peter, seems like you are not on board with the way Longman suggested to handle prioritized threads. Am I right? Thanks, — Alex
