Hi Mike,

But who is this calculated ?
For example, if we are inside of a container the XZ will use the host CPU
available or the scheduler affinity.

Mike Looijmans <mike.looijmans@topic.nl> escreveu no dia quinta, 30/09/2021
à(s) 07:50:

> Wouldn't "0" be a better default? Setting threads to "0" will make xz use
> the
> CPU count anyway, so it'd be honest too.
>
>
>
> Met vriendelijke groet / kind regards,
>
> Mike Looijmans
> System Expert
>
>
> TOPIC Embedded Products B.V.
> Materiaalweg 4, 5681 RJ Best
> The Netherlands
>
> T: +31 (0) 499 33 69 69
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> Please consider the environment before printing this e-mail
> On 11-09-2021 12:04, Richard Purdie via lists.openembedded.org wrote:
> > rpm output packages currently depend on the value of XZ_THREADS which
> > is ok if left to the default value but problematic if system limits
> > are set such as on the autobuilder.
> >
> > Force the value to a specific one in the hashes for better sstate reuse
> > and consistent rpm task checksums.
> >
> > Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
> > ---
> >   meta/conf/bitbake.conf | 1 +
> >   1 file changed, 1 insertion(+)
> >
> > diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
> > index 2140d498f7c..e25d632dc1c 100644
> > --- a/meta/conf/bitbake.conf
> > +++ b/meta/conf/bitbake.conf
> > @@ -811,6 +811,7 @@ PARALLEL_MAKE ?= "-j ${@oe.utils.cpu_count()}"
> >   # Default parallelism and resource usage for xz
> >   XZ_MEMLIMIT ?= "50%"
> >   XZ_THREADS ?= "${@oe.utils.cpu_count(at_least=2)}"
> > +XZ_THREADS[vardepvalue] = "1"
> >   XZ_DEFAULTS ?= "--memlimit=${XZ_MEMLIMIT} --threads=${XZ_THREADS}"
> >   XZ_DEFAULTS[vardepsexclude] += "XZ_MEMLIMIT XZ_THREADS"
> >
> >
> >
> >
> >
> >
>
>
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-- 
Best regards,

José Quaresma