[9fans] irq latency

tl;dr: pcie access = latency it's interesting to take a look at irq latency for a number of devices on different machines. it looks like the experimental device --- the interrupt does nothing --- gives us a lower bound for irq latency, which works out to be 36ns (!). clearly this doesn't

Re: [9fans] irq latency

On Mon Sep 7 18:24:05 PDT 2015, quans...@quanstro.net wrote: > tl;dr: pcie access = latency speaking of latency, 9fans seems to have >6hr latency right now. - erik