From mboxrd@z Thu Jan  1 00:00:00 1970
From: Yuanfang Chen <cyfmxc@gmail.com>
Subject: Re: event group without multiplexing
Date: Thu, 12 Nov 2015 09:58:35 -0500
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Sorry, r1000248 on haswell should be

L1D_PEND_MISS.FB_FULL     0,1,2,3       0,1,2,3,4,5,6,7

On Wed, Nov 11, 2015 at 5:05 PM, Yuanfang Chen <cyfmxc@gmail.com> wrote:
> Hello
>
> I am using a haswell box. (E3-1231 v3). HT enabled.
>
> perf stat -e \{cycles,r148,r1000248,r8d1,r40d1\} -- sleep 1
>
> with ubuntu version of perf
>
> Performance counter stats for 'sleep 1':
>
>             756066      cycles
>               5740      r1000248
>               5516      r8d1
>               9064      r40d1
>                  0        r148
>
>        1.001770249 seconds time elapsed
>
> with relatively new tip of perf/core:
>
>  Performance counter stats for 'sleep 1':
>
>             729403      cycles
>               7250      r1000248
>               5628      r8d1
>               9273      r40d1
>    <not supported>      r148
>
>        1.001674174 seconds time elapsed
>
> from https://download.01.org/perfmon/HSW/
>                                                          SMT on
>           SMT off
> cpu_clk_unhalted.thread cycles           Fixed counter 2      Fixed counter 2
> ld_blocks.no_sr    r803                        0,1,2,3
>  0,1,2,3,4,5,6,7
> mem_load_uops_retired.l1_miss r8d1   0,1,2,3                  0,1,2,3
> mem_load_uops_retired.hit_lfb r40d1    0,1,2,3                  0,1,2,3
> l1d_pend_miss.pending r148                2                          2
>
> Seems these five events couldn't be counting at the same time,
> although in terms of hardware they should get along.  Is this a bug or
> a limitation I should be aware of? Thank you so much.
>
> Yuanfang