linux-kernel - Re: i915: reduce noise from i915_gem_shrinker

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Message-ID: <20140712092343.GO17271@phenom.ffwll.local>
Date:	Sat, 12 Jul 2014 11:23:43 +0200
From:	Daniel Vetter <daniel@...ll.ch>
To:	Chris Wilson <chris@...is-wilson.co.uk>
Cc:	Dave Jones <davej@...hat.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	daniel.vetter@...ll.ch
Subject: Re: i915: reduce noise from i915_gem_shrinker_oom when no memory
 freed.

On Fri, Jul 11, 2014 at 07:11:43AM +0100, Chris Wilson wrote:
> On Thu, Jul 10, 2014 at 11:05:05PM -0400, Dave Jones wrote:
> > When the shrinker doesn't free any memory, don't spew over and over
> > into the logs.  My fuzz tester hits this quite easily, resulting
> > in dozens of instances of this printk when memory runs low, filling
> > dmesg, when there's not even any graphical stuff going on, so the
> > situation would never change.
> 
> We still want to know when we failed to free anything though.
> 
> if (freed || unbound || bound)
> 	pr_info("Purging GPU memory...
> 
> should be a reasonable compromise.

Dave, would this work for you? Can you please submit it as a patch to
intel-gfx?

Thanks, Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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