On Thu, Dec 19, 2013 at 11:22:01AM -0800, H. Peter Anvin wrote: > On 12/19/2013 10:19 AM, Ingo Molnar wrote: > > > > ( It would also be nice to know whether MONITOR loads that cacheline > > into the CPUs cache, and in what state it loads it. ) > > > > I would assume that is implementation-dependent. However, one plausible > implementation is to load the cache line into the cache in shared state > and monitor for evictions.
I suppose the monitor part is the important part because certain C states drop all cache, presumably including the cacheline we're actually monitoring. -- 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/
