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Subject: Re: [pve-devel] [PATCH v2 qemu-server 1/6] config: add pool usage
helper
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On 16/04/2024 14:20, Fabian Gr=C3=BCnbichler wrote:=0D
> determining the usage values for the current config. pending values are t=
aken=0D
> into account if they are higher than the current value only, else it woul=
d be=0D
> possible to easily circumvent config limits by setting non-hotpluggable p=
ending=0D
> values.=0D
> =0D
> Signed-off-by: Fabian Gr=C3=BCnbichler <f.gruenbichler@proxmox.com>=0D
> ---=0D
> PVE/QemuConfig.pm | 30 ++++++++++++++++++++++++++++++=0D
> 1 file changed, 30 insertions(+)=0D
> =0D
> diff --git a/PVE/QemuConfig.pm b/PVE/QemuConfig.pm=0D
> index 8e8a7828..1410bf14 100644=0D
> --- a/PVE/QemuConfig.pm=0D
> +++ b/PVE/QemuConfig.pm=0D
> @@ -573,4 +573,34 @@ sub has_cloudinit {=0D
> return $found;=0D
> }=0D
> =0D
> +# for determining pool usage vs limits=0D
> +#=0D
> +# this gives the higher of pending or currently configured=0D
> +sub get_pool_usage {=0D
=0D
similar comment as for the pve-container: would it make sense to rename=0D
this sub to `get_configured_vm_usage`?=0D
=0D
> + my ($class, $conf) =3D @_;=0D
> +=0D
> + my $usage =3D {};=0D
> +=0D
> + my $get_max =3D sub {=0D
> + my $max =3D 0;=0D
> +=0D
> + for my $curr (@_) {=0D
> + $max =3D $curr if defined($curr) && $curr > $max;=0D
> + }=0D
> +=0D
> + return $max;=0D
> + };=0D
> +=0D
> + $usage->{sockets} =3D $get_max->($conf->{pending}->{sockets}, $conf-=
>{sockets}, 1);=0D
> + $usage->{cores} =3D $get_max->($conf->{pending}->{cores}, $conf->{co=
res}, 1);=0D
> + $usage->{cpu} =3D $usage->{sockets} * $usage->{cores};=0D
=0D
nit: same as for pve-container, we could name this 'cpus' just for=0D
consistency's sake (as 'cpu' holds the cpu usage % and 'cpus' the=0D
amount of cores).=0D
=0D
> + $usage->{mem} =3D $get_max->(=0D
> + get_current_memory($conf->{pending}->{memory}),=0D
> + get_current_memory($conf->{memory})=0D
> + );=0D
> + $usage->{mem} *=3D 1024*1024;=0D
> +=0D
> + return $usage;=0D
> +}=0D
> +=0D
> 1;=0D
> -- =0D
> 2.39.2=0D
=0D
=0D
=0D
=0D
=0D
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