On Thu, Mar 16, 2017 at 11:44:08AM +0530, [email protected] wrote:
> From: Sourab Gupta <[email protected]>
> 
> This patch adds a new ctx getparam ioctl parameter, which can be used to
> retrieve ctx unique id by userspace.
> 
> This can be used by userspace to map the OA reports received in the
> i915 perf samples with their associated ctx's (The OA reports have the
> hw ctx ID information embedded for Gen8+).
> Otherwise the userspace has no way of maintaining this association,
> since it has the knowledge of only per-drm file specific ctx handles.
> 
> Signed-off-by: Sourab Gupta <[email protected]>
Reviewed-by: Chris Wilson <[email protected]>
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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