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From: Wolfgang Denk <wd@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] ARM POST Tests.
Date: Wed, 20 Jul 2011 14:20:55 +0200	[thread overview]
Message-ID: <20110720122055.87A3C1579DF2@gemini.denx.de> (raw)
In-Reply-To: <4E26B523.3070609@keymile.com>

Dear Valentin Longchamp,

In message <4E26B523.3070609@keymile.com> you wrote:
>
> I have done a little bit of profiling this morning, and the main culprit is the
> call to getenv_f in post_get_flags for the four environment variables:
> 
> "post_poweron", "post_normal", "post_slowtest" "post_critical"
> 
> This is extremly slow on my system (before relocation). The goal of these env

Are you by chance reading the environment from I2C attached EEPROM or
so?  This is indeed a speed killer.

> variables is, I guess, to define the name of the tests that have to be run for
> each post level, right ? Is this the only way to define which tests are to be run ?

To define the tests to be run, and the reaction that is needed if a
test fails.

If your environment accesses are so slow, you should fix that anyway.

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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  reply	other threads:[~2011-07-20 12:20 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-14 12:59 [U-Boot] ARM POST Tests sreekumar.sivakumar at wipro.com
2011-07-15  8:13 ` Heiko Schocher
2011-07-19 15:29   ` Valentin Longchamp
2011-07-19 18:45     ` Wolfgang Denk
2011-07-20 10:59       ` Valentin Longchamp
2011-07-20 12:20         ` Wolfgang Denk [this message]
2011-07-20 12:32           ` Valentin Longchamp
2011-07-20 13:15             ` Wolfgang Denk
2011-07-19 18:18   ` Mike Frysinger
  -- strict thread matches above, loose matches on Subject: below --
2014-02-06 13:14 [U-Boot] arm post tests shobin b

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