[SGVLUG] Raspberry Pi 50% Performance Boost

[Matthew Campbell]

Ok, got it working, sorry for the SPAM!

apt-get update
apt-get upgrade
sudo /opt/vc/bin/vcgencmd measure_temp

Matt

On Wed, Sep 19, 2012 at 10:33 PM, Matthew Campbell <dvdmatt at gmail.com>wrote:

> Update: I was able to set the overclocking settings.
> % sudo apt-get update
> % sudo apt-get install raspi-config
> % sudo raspi-config
> ...
>
> Unfortunately the commands to report on CPU temperature are not working so
> something's still missing.
> % sudo vcgemcmd measure_temp
> [sudo] password:
> error=1 error_msg="Command not registered"
>
> Matt
>
>
> On Wed, Sep 19, 2012 at 10:29 PM, Matthew Campbell <dvdmatt at gmail.com>wrote:
>
>> Thanks James.
>>
>> Unfortunately my Pis were already configured to that standard so no help
>> there.  I have re-flashed a SD card with the September 18 release so I'm
>> going to re-try with that.
>>
>> I looked through the firmware update postings and saw an awful lot of
>> 'bricked my Pi' postings.  I don't think I'm going to do that at this point.
>>
>> I have been working on my install and config notes, you can find them at
>>
>> http://mattswiki.seilcampbells.com/index.php5?title=Install_Raspberry_Pi
>> and
>>
>> http://mattswiki.seilcampbells.com/index.php5?title=Configure_the_Wheezy_Pi_OS
>>
>> See you all at the meeting tomorrow evening!
>>
>> Matt
>>
>>
>> On Wed, Sep 19, 2012 at 9:34 PM, James McDuffie <mcduffie at pitfall.org>wrote:
>>
>>> Also one more thing that I forgot. Check that you have:
>>> /etc/apt/sources.list.d/raspi.**list
>>>
>>> If not add this to it:
>>> deb http://archive.raspberrypi.**org/debian/<http://archive.raspberrypi.org/debian/>wheezy main
>>>
>>> This gives you access to the raspberrypi.org specific packages such as
>>> raspberrypi*, raspi-config.
>>>
>>> apt-get will complain about an untrusted source until you add the public
>>> key for raspberrypi.org:
>>> wget http://archive.raspberrypi.**org/debian/raspberrypi.gpg.key<http://archive.raspberrypi.org/debian/raspberrypi.gpg.key>-O - | sudo apt-key add -
>>>
>>>
>>> On 09/19/2012 09:18 PM, James McDuffie wrote:
>>>
>>>> You probably do not have to reflash. Looking at the latest wheezy image
>>>> from raspberrypi.org I see that /etc/apt/sources.list has:
>>>>
>>>> deb http://mirrordirector.**raspbian.org/raspbian/<http://mirrordirector.raspbian.org/raspbian/>wheezy main contrib
>>>> non-free rpi
>>>>
>>>> If your already using a wheezy based image you could make your
>>>> sources.list consistent with that and then try the apt-get dist-update
>>>> route. If anything your probably just missing the "contrib" and "rpi"
>>>> package locations.
>>>>
>>>> I was using a Raspbian image from before the official raspberrypi.org
>>>> one and doing this did not blow up my Pi. Yet.
>>>>
>>>> Clicking through from the blog post I sent earlier:
>>>> http://www.raspberrypi.org/**phpBB3/viewtopic.php?f=66&t=**
>>>> 17788&p=176847<http://www.raspberrypi.org/phpBB3/viewtopic.php?f=66&t=17788&p=176847>
>>>>
>>>> You can see instructions on how to update the firmware:
>>>> sudo apt-get update && sudo apt-get install raspberrypi* raspi-config
>>>>
>>>>
>>>> On 09/19/2012 08:16 PM, Matthew Campbell wrote:
>>>>
>>>>> Oooh, on further reading I want that update.  My WiFi dongles aren't
>>>>> happy with the August kernel (goes into a tight kernel loop in the USB
>>>>> driver).  I guess I'm going to have to re-flash my OS image with
>>>>> September's code drop and try again.
>>>>>
>>>>> Matt
>>>>>
>>>>> On Wed, Sep 19, 2012 at 8:10 PM, Matthew Campbell <dvdmatt at gmail.com
>>>>> <mailto:dvdmatt at gmail.com>> wrote:
>>>>>
>>>>>     Urm.  Nice, but the command produced:
>>>>>     The following packages have been kept back:
>>>>>        alsa-base
>>>>>     0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded.
>>>>>
>>>>>     Either I already had the update from August or there is another
>>>>>     dependency.  As this post is dated today this does not compute.
>>>>>
>>>>>     Matt
>>>>>
>>>>>     On Wed, Sep 19, 2012 at 2:22 PM, James McDuffie
>>>>>     <mcduffie at pitfall.org <mailto:mcduffie at pitfall.org>> wrote:
>>>>>
>>>>>         If you have a Raspberry Pi and you are using the wheezy image
>>>>>         from their website, you can now get a 50% speed increase just
>>>>> by
>>>>>         running apt-get upgrade.
>>>>>
>>>>>         "Introducing turbo mode: up to 50% more performance for free"
>>>>>         http://www.raspberrypi.org/__**archives/2008<http://www.raspberrypi.org/__archives/2008>
>>>>>         <http://www.raspberrypi.org/**archives/2008<http://www.raspberrypi.org/archives/2008>
>>>>> >
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>
>>>
>>
>
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