linux-kernel - RE: [PATCH] perf script: add script to profile and resolve physical mem type

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Date:   Tue, 17 Oct 2017 21:10:16 +0000
From:   "Liang, Kan" <kan.liang@...el.com>
To:     Andi Kleen <ak@...ux.intel.com>
CC:     Stephane Eranian <eranian@...gle.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        "mingo@...hat.com" <mingo@...hat.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Jiri Olsa <jolsa@...nel.org>,
        "Williams, Dan J" <dan.j.williams@...el.com>
Subject: RE: [PATCH] perf script: add script to profile and resolve physical
 mem type

 > >
> > Right, it doesn’t need load latency. 0x81d0 should be a better choice.
> > I will use 0x81d0 and 0x82d0 as default event for V2.
> 
> That's model specific. You would need to check the model number if you do
> that.
> 
> Also with modern perf you can use the correct event names of course.

The event names are model specific as well.
For Mem load events,
MEM_INST_RETIRED.ALL_LOADS is the event name for skylake.
MEM_UOPS_RETIRED.ALL_LOADS is the event name for the rest of platforms.
I think it still need to check the model number.

Thanks,
Kan