[dpdk-dev] [PATCH] scripts: support any legal git revisions as abi validation range

Mcnamara, John john.mcnamara at intel.com
Thu Dec 3 16:46:44 CET 2015



> -----Original Message-----
> From: Panu Matilainen [mailto:pmatilai at redhat.com]
> Sent: Thursday, December 3, 2015 1:44 PM
> To: Thomas Monjalon; Mcnamara, John
> Cc: dev at dpdk.org
> Subject: Re: [dpdk-dev] [PATCH] scripts: support any legal git revisions
> as abi validation range
> 
> On 12/03/2015 03:28 PM, Thomas Monjalon wrote:
> > 2015-12-03 12:14, Mcnamara, John:
> >> Also, if someone has some bandwidth it would be good to add an option
> >> to pass -j with an optional number to "make" in the script.
> >
> > We can use -j without any number:
> > "make will not limit the number of jobs that can run simultaneously".
> > It is a not so bad default.
> >
> 
> Hmm, my memory associates an unlimited -j to make with sudden death by
> fork-bomb. But that was a long time ago and on a different codebase (the
> kernel maybe), with DPDK on current hardware it doesn't seem that bad at
> all.
> 
> OTOH we can also simply ask the system for a reasonable value, eg $
> /usr/bin/getconf _NPROCESSORS_ONLN

Hi,

To be clear, it would be nice to be able to pass "-j" or "-j n" like you can do to directly to 'make'. 

For a compile heavy codebase (no DPDK) "-j" can, as you say, choke your system but that would be up to the user to specify, or not. 

John.
-- 




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