On Thu, 12 Jul 2018 13:29:32 -0400 Johannes Weiner <hannes@xxxxxxxxxxx> wrote: > > ... > > The io file is similar to memory. Because the block layer doesn't have > a concept of hardware contention right now (how much longer is my IO > request taking due to other tasks?), it reports CPU potential lost on > all IO delays, not just the potential lost due to competition. Probably dumb question: disks aren't the only form of IO. Does it make sense to accumulate PSI for other forms of IO? Networking comes to mind...
