Re: [igt-dev] [RFC i-g-t 1/1] intel-gpu-top: Support for client stats

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Quoting Tvrtko Ursulin (2019-10-25 15:24:10)
> From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> 
> Adds support for per-client engine busyness stats i915 exports in sysfs
> and produces output like the below:
> 
> ==========================================================================
> intel-gpu-top -  935/ 935 MHz;    0% RC6; 14.73 Watts;     1097 irqs/s

Could we get "gpu / pkg Watts" pretty please?

Are irq/s interesting with execlists? Originally the idea was to say how
many times clients were sleeping and being woken up. Now we interrupt
to wipe the gpu's nose when it sneezes.

> 
>       IMC reads:     1401 MiB/s
>      IMC writes:        4 MiB/s
> 
>           ENGINE      BUSY                                 MI_SEMA MI_WAIT
>      Render/3D/0   63.73% |███████████████████           |      3%      0%
>        Blitter/0    9.53% |██▊                           |      6%      0%
>          Video/0   39.32% |███████████▊                  |     16%      0%
>          Video/1   15.62% |████▋                         |      0%      0%
>   VideoEnhance/0    0.00% |                              |      0%      0%
> 
>   PID            NAME     RCS          BCS          VCS         VECS
>  4084        gem_wsim |█████▌     ||█          ||           ||           |
>  4086        gem_wsim |█▌         ||           ||███        ||           |
> ==========================================================================
> 
> Apart from the existing physical engine utilization it now also shows
> utilization per client and per engine class.
> 
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> ---

> +#define SYSFS_CLIENTS "/sys/class/drm/card0/clients"

We need to somehow pull the right card.

Nothing shocking here. Where's the intel-gpu-overlay integration? ;)
-Chris
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