On Mon, Mar 07, 2016 at 01:18:40PM +0100, Peter Zijlstra wrote: > On Mon, Mar 07, 2016 at 11:24:13AM +0100, Peter Zijlstra wrote: > > > I suspect Andi is having something along: > > > > lkml.kernel.org/r/1445458568-16956-1-git-send-email-a...@firstfloor.org > > > > applied to his tree. > > OK, I munged a bunch of patches together, please have a hard look at the > end result found in: > > git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git perf/core
So while running tip/master I just triggered the "irq loop stuck" warn on my IVB, with status==1, and PMC0 didn't look weird at all. I've not seen that for a fair while. But it does show it still happens on not quite antique hardware.
