On Wed, May 20, 2015 at 03:52:09PM +0200, Peter Zijlstra wrote: > > > > This patch limits the number of counters available to each CPU when > > the HT bug workaround is enabled. > > > > This is necessary to avoid situation of counter starvation. Such can > > arise from configuration where one HT thread, HT0, is using all 4 > > counters > > with corrupting events which require exclusion the the sibling HT, HT1. > >
> > OK, so if you have the watchdog enabled, that's 1 event, and having a > max of 2 GP events, adding another 2 events is fail. Hmm, so we count all events, including those scheduled on fixed purpose counters. Lemme see if I can cure that. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
