On Mon, Aug 19, 2019 at 07:13:31PM -0400, Josh Hunt wrote: > We see our Nehalem machines reporting 'perfevents: irq loop stuck!' in > some cases when using perf: > > perfevents: irq loop stuck!
> I found that a period limit of 32 was the lowest I could set it to without > the problem reoccurring. The idea for the patch and approach to find the > target value were suggested by Ingo and Thomas. > > Signed-off-by: Josh Hunt <[email protected]> > Reported-by: Bhupesh Purandare <[email protected]> > Suggested-by: Thomas Gleixner <[email protected]> > Suggested-by: Ingo Molnar <[email protected]> > Link: https://lore.kernel.org/lkml/[email protected]/ > Link: > https://lore.kernel.org/lkml/[email protected]/ Thanks!
