On Tue, Jun 06, 2017 at 06:51:20AM -0700, Andi Kleen wrote: > > Not too happy about that.. > > > > P(LVLX, L4) | P(LVLX, REMOTE) > > > > reads like something that should be PERF_MEM_LVL_REM_CCE1 or something > > CCE1? You mean L4?
#define PERF_MEM_LVL_REM_CCE1 0x400 /* Remote Cache (1 hop) */ It says 'cache' which is irrespective of level. > The two bits seem cleaner to me than enumerating all cases. But ok. I tend to agree that a separate remote,distance,type fields would have been nicer, but we seem to be stuck with this REM_* crud.. > > This new generic 'REMOTE' has too much overlap with the existing things. > > So you want a REM_NA ? Not sure... What's the point of a REM_NA vs regular NA ? "'something' happened 'not here'" vs "'something' happened". I hope Stephane has better ideas, he seems to be the one that introduced this in the first place.

