[Intel-gfx] [PATCH] drm/i915: add rc6 residency times to debugfs

[Daniel Vetter]

On Fri, Mar 23, 2012 at 01:43:22PM -0300, Eugeni Dodonov wrote:
> On Thu, Mar 22, 2012 at 22:42, Ben Widawsky <ben at bwidawsk.net> wrote:
> 
> > RC6 residency should be in intervals of 1.28us, and the counter wraps.
> > Here is an example using awk to get the RC6 and RC6+ residency in
> > seconds, since boot.
> >
> > cat /sys/kernel/debug/dri/0/i915_drpc_info  | grep residency | awk -F':'
> > -F' '  '{print $5 * 1.28 / 1000000}'
> >
> > This is primarily for QA, but has other applications as well.
> >
> 
> Note that we already have this in intel_reg_dumper as well, since
> http://cgit.freedesktop.org/xorg/app/intel-gpu-tools/commit/?id=47a5bc505cb972cc94f1fbd9882d4e5c2e72ac43
> .
> 
> But if it makes sense to include it into kernel as well, why not?
> 
> Reviewed-by: Eugeni Dodonov <eugeni.dodonov at intel.com>

Queued for -next, thanks for the patch and review.
-Daniel
-- 
Daniel Vetter
Mail: daniel at ffwll.ch
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