Re: [PATCH i-g-t] igt/pm_rps: Wait for the load-helper to signal receipt of command

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Quoting Katarzyna Dec (2018-09-04 11:48:39)
> On Tue, Sep 04, 2018 at 09:06:59AM +0100, Chris Wilson wrote:
> > Actually wait for the load-helper to complete it switch over to the new
> > load by using a pipe() between the two.
> > 
> > References: https://bugs.freedesktop.org/show_bug.cgi?id=102250
> > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> I hope this will fix sporadic issues with pm_rps that still coming back.

I too hope, but I don't expect it to be the end of them. Another idea
would be to move the load control over to a shared page between the
helper and the test. Then we know that the request high/low are in
sync...
-Chris
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