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SubjectRe: [PATCH v3 07/11] perf, tools, list: Add metric groups to perf list
Em Thu, Aug 31, 2017 at 12:40:32PM -0700, Andi Kleen escreveu:
> From: Andi Kleen <ak@linux.intel.com>
>
> Add code to perf list to print metric groups, and metrics
> that don't have an event name. The metricgroup code collects
> the eventgroups and events into a rblist, and then prints
> them according to the configured filters.
>
> The metricgroups are printed by default, but can be
> limited by perf list metric or perf list metricgroup

Andi, I just noticed that metric groups appear when we pass some
substring to search events that looks unrelated, can you please take a
look at this?

Thanks,

- Arnaldo

[root@jouet ~]# perf list energy-cores
oList of pre-defined events (to be used in -e):

power/energy-cores/ [Kernel PMU event]


Metric Groups:

DSB:
DSB_Coverage
[Fraction of Uops delivered by the DSB (aka Decoded Icache; or Uop Cache)]
FLOPS:
GFLOPs
[Giga Floating Point Operations Per Second]
Frontend:
IFetch_Line_Utilization
[Rough Estimation of fraction of fetched lines bytes that were likely consumed by program instructions]
Frontend_Bandwidth:
DSB_Coverage
[Fraction of Uops delivered by the DSB (aka Decoded Icache; or Uop Cache)]
Memory_BW:
MLP
[Memory-Level-Parallelism (average number of L1 miss demand load when there is at least 1 such miss)]
Memory_Bound:
Load_Miss_Real_Latency
[Actual Average Latency for L1 data-cache miss demand loads]
MLP
[Memory-Level-Parallelism (average number of L1 miss demand load when there is at least 1 such miss)]
Memory_Lat:
Load_Miss_Real_Latency
[Actual Average Latency for L1 data-cache miss demand loads]
Pipeline:
CPI

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