linux-kernel - Re: [PATCH] perf vendor events intel: Fix Load_Miss_Real

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Date:   Tue, 29 Jan 2019 09:23:48 -0800
From:   Andi Kleen <ak@...ux.intel.com>
To:     William Cohen <wcohen@...hat.com>
Cc:     peterz@...radead.org, mingo@...hat.com, acme@...nel.org,
        linux-kernel@...r.kernel.org, alexander.shishkin@...ux.intel.com,
        jolsa@...hat.com, namhyung@...nel.org
Subject: Re: [PATCH] perf vendor events intel: Fix Load_Miss_Real_Latency on
 CLX

On Tue, Jan 29, 2019 at 12:05:36PM -0500, William Cohen wrote:
> Fix incorrect event names for the Load_Miss_Real_Latency metric for
> Cascadelake server in the same manner as commit 91b2b97025 for SKL/SKX.

Reviewed-by: Andi Kleen <ak@...ux.intel.com>

> 
> Signed-off-by: William Cohen <wcohen@...hat.com>
> ---
>  tools/perf/pmu-events/arch/x86/cascadelakex/clx-metrics.json | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/perf/pmu-events/arch/x86/cascadelakex/clx-metrics.json b/tools/perf/pmu-events/arch/x86/cascadelakex/clx-metrics.json
> index 36c903faed0b..71e9737f4614 100644
> --- a/tools/perf/pmu-events/arch/x86/cascadelakex/clx-metrics.json
> +++ b/tools/perf/pmu-events/arch/x86/cascadelakex/clx-metrics.json
> @@ -73,7 +73,7 @@
>      },
>      {
>          "BriefDescription": "Actual Average Latency for L1 data-cache miss demand loads",
> -        "MetricExpr": "L1D_PEND_MISS.PENDING / ( MEM_LOAD_RETIRED.L1_MISS_PS + MEM_LOAD_RETIRED.FB_HIT_PS )",
> +        "MetricExpr": "L1D_PEND_MISS.PENDING / ( MEM_LOAD_RETIRED.L1_MISS + MEM_LOAD_RETIRED.FB_HIT )",
>          "MetricGroup": "Memory_Bound;Memory_Lat",
>          "MetricName": "Load_Miss_Real_Latency"
>      },
> -- 
> 2.20.1
>