On Wed, Oct 09, 2013 at 08:15:51AM +0200, Ingo Molnar wrote:
> So I'd expect this to be a rather sensitive workload and you'd have to
> actively engineer it to hit the effect PeterZ mentioned. I could imagine
> MPI workloads to run into such patterns - but not deterministically.
The workload that I got the report from was a virus scanner, it would
spawn nr_cpus threads and {mmap file, scan content, munmap} through your
filesystem.
Now if I only could remember who reported this.. :/
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