From: Alexander Aring <alex.aring@gmail.com>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Barebox List <barebox@lists.infradead.org>
Subject: Re: memtest updates
Date: Tue, 27 Oct 2015 18:27:43 +0100 [thread overview]
Message-ID: <20151027172742.GA8942@omega> (raw)
In-Reply-To: <20151027165459.GA4592@omega>
On Tue, Oct 27, 2015 at 05:54:59PM +0100, Alexander Aring wrote:
> On Tue, Oct 27, 2015 at 09:29:53AM +0100, Sascha Hauer wrote:
> > This series has some updates for the memory test. The output and the
> > code are made more compact and some additional options are added. Also
> > the remap_range function is reworked.
> >
>
...
>
> What means 0xdeadbeef here?
okay, I it's guess the pattern argument which doesn't exist anymore.
I run memtest now with:
memtest -t -u
on the RPi and it seems the first progressbar range of "0/3" - "1/3" runs
faster than the last range of "1/3" - "3/3".
This sounds like that remap_range does not full manipulate the range
of page tables (the range at the start address). Okay we can't full use
the range, because we need to be PAGE_ALIGN, but the whole first range of
"0/3" - "1/3" sounds not correct for me (it's bigger than PAGE_ALIGN).
Maybe everything is correct and the first address room is always a
little bit faster than the others, but I don't think that.
I haven't tried to debug this issue. Can somebody confirm that on an
other arm board?
- Alex
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next prev parent reply other threads:[~2015-10-27 17:28 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-27 8:29 Sascha Hauer
2015-10-27 8:29 ` [PATCH 1/9] memtest: move request/release regions to common/ Sascha Hauer
2015-10-27 8:29 ` [PATCH 2/9] rework remap_range Sascha Hauer
2015-10-27 8:29 ` [PATCH 3/9] memtest: split tests in separate functions Sascha Hauer
2015-10-27 8:29 ` [PATCH 4/9] memtest: Make output more compact Sascha Hauer
2015-10-27 8:29 ` [PATCH 5/9] memtest: Make comments single line when appropriate Sascha Hauer
2015-10-27 8:29 ` [PATCH 6/9] memtest: move ctrlc check / progress showing into separate function Sascha Hauer
2015-10-27 8:30 ` [PATCH 7/9] memtest: move error handling to end of function Sascha Hauer
2015-10-27 8:30 ` [PATCH 8/9] memtest: By default only test biggest region Sascha Hauer
2015-10-27 8:30 ` [PATCH 9/9] memtest: Make cached/uncached test configurable Sascha Hauer
2015-10-27 16:55 ` memtest updates Alexander Aring
2015-10-27 17:27 ` Alexander Aring [this message]
2015-10-27 17:35 ` Alexander Aring
2015-10-28 6:17 ` Sascha Hauer
2015-10-28 9:11 ` Alexander Aring
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