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From: Imre Deak <imre.deak@intel.com>
To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH i-g-t] tests/pm_rpm: Fix CRASH on machines that lack LLC
Date: Wed, 02 Mar 2016 18:23:44 +0200	[thread overview]
Message-ID: <1456935824.16838.26.camel@intel.com> (raw)
In-Reply-To: <20160302152815.GK30782@nuc-i3427.alporthouse.com>

On ke, 2016-03-02 at 15:28 +0000, Chris Wilson wrote:
> On Wed, Mar 02, 2016 at 05:01:19PM +0200, Imre Deak wrote:
> [...]
> Hmm, this file has a noticeable lack of GEM domain management. E.g.
> gem_mmap_subtest() will only work by happenstance on !llc with
> gtt_mmap=false.
> 
> To test the shrinker and eviction code, you can use i915_drop_caches.
> First populate the GGTT using a GTT mmap, then
> igt_drop_caches_set(DROP_BOUND); (Unbind looks best to be exercised
> through gem_close, though adding DROP_EVICT_GGTT seems sane).
> 
> I don't see how you detect the number of illegal accesses whilst
> suspended? Should we not have a counter exposed through debugfs?

Ok, I'll add JIRA task(s) for these;)

--Imre
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  reply	other threads:[~2016-03-02 16:23 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-02 13:11 [PATCH i-g-t] tests/pm_rpm: Fix CRASH on machines that lack LLC David Weinehall
2016-03-02 13:27 ` Chris Wilson
2016-03-02 13:55   ` David Weinehall
2016-03-02 14:04     ` Chris Wilson
2016-03-02 14:32       ` Imre Deak
2016-03-02 14:37         ` Chris Wilson
2016-03-02 14:41           ` Imre Deak
2016-03-02 14:49             ` Chris Wilson
2016-03-02 15:01               ` Imre Deak
2016-03-02 15:28                 ` Chris Wilson
2016-03-02 16:23                   ` Imre Deak [this message]
2016-03-02 14:38       ` David Weinehall
2016-03-02 15:50 ` [PATCH i-g-t v2] " David Weinehall
2016-03-02 16:06   ` Chris Wilson
2016-03-02 16:02 ` [PATCH i-g-t v3] " David Weinehall
2016-03-02 17:01 ` [PATCH i-g-t v4] " David Weinehall
2016-03-02 17:20   ` Chris Wilson
2016-03-02 17:32     ` Imre Deak

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