On Thu, Jul 06, 2017 at 05:29:26PM +0200, Laurent Dufour wrote: > Based on the benchmarks I run, it doesn't fail so much often, but I was > thinking about adding some counters here. The system is accounting for > major page faults and minor ones, respectively current->maj_flt and > current->min_flt. I was wondering if an additional type like async_flt will > be welcome or if there is another smarter way to get that metric. > > Feel free to advise.
You could stick a tracepoint in, or extend PERF_COUNT_SW_PAGE_FAULTS*.

