And the case can be reduced to
perf stat -e \{r1000248,r148\} -- sleep 1
Performance counter stats for 'sleep 1':
7008 r1000248
<not supported> r148
1.001885804 seconds time elapsed
On Thu, Nov 12, 2015 at 9:58 AM, Yuanfang Chen <[email protected]> wrote:
> 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 <[email protected]> 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
--
To unsubscribe from this list: send the line "unsubscribe linux-perf-users" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
