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Re: [PATCH v5 3/4] perf, tools: Add support for printing new mem_info encodings

From Andi Kleen <andi@firstfloor.org>
Newsgroups linux.kernel
Subject Re: [PATCH v5 3/4] perf, tools: Add support for printing new mem_info encodings
Date 2017-08-23 18:00 +0200
Message-ID <uhGet-2rq-17@gated-at.bofh.it> (permalink)
References <ufeZ4-4rP-5@gated-at.bofh.it> <ufeZ4-4rP-17@gated-at.bofh.it> <uhDzY-WD-17@gated-at.bofh.it> <uhEw2-1x1-25@gated-at.bofh.it> <uhEFI-1Aq-13@gated-at.bofh.it>
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> so if I find HITM with this flag set I should count it
> as remote HITM then? something like attached.. untested

You mean for c2c? Yes looks reasonable.

-Andi

> 
> thanks,
> jirka
> 
> ---
> diff --git a/tools/perf/util/mem-events.c b/tools/perf/util/mem-events.c
> index 06f5a3a4295c..65e22b9e59f9 100644
> --- a/tools/perf/util/mem-events.c
> +++ b/tools/perf/util/mem-events.c
> @@ -279,6 +279,7 @@ int c2c_decode_stats(struct c2c_stats *stats, struct mem_info *mi)
>  	u64 lvl    = data_src->mem_lvl;
>  	u64 snoop  = data_src->mem_snoop;
>  	u64 lock   = data_src->mem_lock;
> +	bool mr    = data_src->mem_remote;
>  	int err = 0;
>  
>  #define HITM_INC(__f)		\
> @@ -324,7 +325,7 @@ do {				\
>  			}
>  
>  			if ((lvl & P(LVL, REM_RAM1)) ||
> -			    (lvl & P(LVL, REM_RAM2))) {
> +			    (lvl & P(LVL, REM_RAM2)) || mr) {
>  				stats->rmt_dram++;
>  				if (snoop & P(SNOOP, HIT))
>  					stats->ld_shared++;
> @@ -334,7 +335,7 @@ do {				\
>  		}
>  
>  		if ((lvl & P(LVL, REM_CCE1)) ||
> -		    (lvl & P(LVL, REM_CCE2))) {
> +		    (lvl & P(LVL, REM_CCE2)) || mr) {
>  			if (snoop & P(SNOOP, HIT))
>  				stats->rmt_hit++;
>  			else if (snoop & P(SNOOP, HITM))
> 

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Thread

Fix Skylake PEBS data source for perf v5 Andi Kleen <andi@firstfloor.org> - 2017-08-17 00:30 +0200
  [PATCH v5 1/4] perf/x86: Move Nehalem PEBS code to flag Andi Kleen <andi@firstfloor.org> - 2017-08-17 00:30 +0200
  [PATCH v5 3/4] perf, tools: Add support for printing new mem_info encodings Andi Kleen <andi@firstfloor.org> - 2017-08-17 00:30 +0200
    Re: [PATCH v5 3/4] perf, tools: Add support for printing new  mem_info encodings Jiri Olsa <jolsa@redhat.com> - 2017-08-23 15:10 +0200
      Re: [PATCH v5 3/4] perf, tools: Add support for printing new  mem_info encodings Andi Kleen <ak@linux.intel.com> - 2017-08-23 16:10 +0200
        Re: [PATCH v5 3/4] perf, tools: Add support for printing new  mem_info encodings Jiri Olsa <jolsa@redhat.com> - 2017-08-23 16:20 +0200
          Re: [PATCH v5 3/4] perf, tools: Add support for printing new  mem_info encodings Andi Kleen <andi@firstfloor.org> - 2017-08-23 18:00 +0200
            Re: [PATCH v5 3/4] perf, tools: Add support for printing new  mem_info encodings Jiri Olsa <jolsa@redhat.com> - 2017-08-24 10:30 +0200
    [tip:perf/core] perf tools: Add support for printing new mem_info  encodings tip-bot for Andi Kleen <tipbot@zytor.com> - 2017-08-24 10:30 +0200
  [PATCH v5 2/4] perf/x86: Fix data source decoding for Skylake Andi Kleen <andi@firstfloor.org> - 2017-08-17 00:30 +0200
  [PATCH v5 4/4] perf, tools: Add test cases for new data source encoding Andi Kleen <andi@firstfloor.org> - 2017-08-17 00:30 +0200
    [tip:perf/core] perf test: Add test cases for new data source  encoding tip-bot for Andi Kleen <tipbot@zytor.com> - 2017-08-24 10:30 +0200
  Re: Fix Skylake PEBS data source for perf v5 Arnaldo Carvalho de Melo <acme@kernel.org> - 2017-08-22 17:40 +0200

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