[PATCH 1/4] perf: Add new macros for mem_hops field

[Peter Zijlstra]

On Mon, Dec 06, 2021 at 02:47:46PM +0530, Kajol Jain wrote:
> Add new macros for mem_hops field which can be used to
> represent remote-node, socket and board level details.
> 
> Currently the code had macro for HOPS_0, which corresponds
> to data coming from another core but same node.
> Add new macros for HOPS_1 to HOPS_3 to represent
> remote-node, socket and board level data.
> 
> For ex: Encodings for mem_hops fields with L2 cache:
> 
> L2			- local L2
> L2 | REMOTE | HOPS_0	- remote core, same node L2
> L2 | REMOTE | HOPS_1	- remote node, same socket L2
> L2 | REMOTE | HOPS_2	- remote socket, same board L2
> L2 | REMOTE | HOPS_3	- remote board L2
> 
> Signed-off-by: Kajol Jain <kjain at linux.ibm.com>

Acked-by: Peter Zijlstra (Intel) <peterz at infradead.org>