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CpuSet: read $MAX_CPUID from /proc/cpuinfo

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This commit is contained in:
Dietmar Maurer 2016-10-28 17:43:41 +02:00
parent beb9820ffb
commit ae97d5532d
1 changed files with 16 additions and 2 deletions
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18
src/PVE/CpuSet.pm
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@ -3,8 +3,20 @@ package PVE::CpuSet;
use strict;
use warnings;
use PVE::Tools;
use PVE::ProcFSTools;
our $MAX_CPUID = 256; # should be enough for the next years
my $MAX_CPUID;
sub max_cpuid {
return $MAX_CPUID if defined($MAX_CPUID);
my $cpuinfo = PVE::ProcFSTools::read_cpuinfo();
$MAX_CPUID = $cpuinfo->{cpus} || 1;
return $MAX_CPUID;
}
sub new {
my ($this) = @_;
@ -12,7 +24,9 @@ sub new {
my $class = ref($this) || $this;
my $self = bless { members => {} }, $class;
max_cpuid() if !defined($MAX_CPUID); # initialize $MAX_CPUID
return $self;
}