On Wed, Apr 10, 2013 at 12:26:43PM +0200, Peter Zijlstra wrote: > > Another thing I just noticed; our update_curr() assumes its called at > least once every 4 odd seconds (2^32 ns like). > > update_curr() is 'required' for things like task runtime stats and > everything that hangs off of that like cputimers etc. > > Now I'm not entirely sure how the nr_running==1 nohz case deals with > this, but I can imagine it might take a while. In this case we might > need to 'fix' update_curr() to not asume the time delta fits in 32 > bits. >
Good catch, this is not handled yet. -- 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/
