Help request for potentially new host dependencies
chrisj at rtems.org
Tue Oct 8 23:02:52 UTC 2019
On 9/10/19 3:31 am, Sebastian Huber wrote:
> ----- Am 8. Okt 2019 um 4:04 schrieb Jonathan Brandmeyer jbrandmeyer at planetiq.com:
>> On Mon, Oct 7, 2019 at 12:32 AM Sebastian Huber
>> <sebastian.huber at embedded-brains.de> wrote:
>>> I need your help to figure out if some host tools which I would like to
>>> use for the RTEMS BSP build and development are widely supported on the
>>> host platforms of all RTEMS users.
>>> The current build system is based on Autoconf and Automake. I would like
>>> to replace it with a Python based build system (waf) which is aimed to
>>> be faster and easier to maintain.
>> Do you need to do anything special to get waf to use all of the build
>> machine's resources? Waf was only capable of keeping about ~30% of a
>> 16-core/32-thread workstation's resources busy during the rtems-libbsd
>> build at any time, even during the embarrassingly parallel stages of
>> the build.
> Yes, I noticed this too in the libbsd build. I had no time to figure out why it is not able to keep all processors fully loaded.
I checked and saw the same thing. I used the -j option to double the number of
parallel processes and the load was still not 100% so I am not sure where the
issue is. One of the python processes or threads runs at 100% which does not
seem right to me.
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