On Thu, May 07, 2015 at 01:56:09PM +0000, Liang, Kan wrote: > > > > > > > So I changed it slightly to the below; changes are: > > > > - record 'lost' events to all set bits; after all we really do not > > know which event this sample belonged to, only logging to the first > > set bit seems 'wrong'. > > If so, the same dropped sample will be count multiple times. It's hard to know > the exact number of dropped samples.
OTOH if the events are from different consumers, they might think there are no samples lost, while in fact there are. -- 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/
