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cpuset: further factorization

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Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
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Wolfgang Bumiller 2020-03-30 16:30:34 +02:00 committed by Thomas Lamprecht
parent 3e02302a64
commit dd13f1836f
1 changed files with 10 additions and 3 deletions
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13
src/PVE/CpuSet.pm
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@ -14,18 +14,25 @@ sub new {
return $self; return $self;
} }
# Create a new set with the contents of a cgroup-v1 subdirectory # Create a new set with the contents of a cgroup-v1 subdirectory.
sub new_from_cgroup { sub new_from_cgroup {
my ($class, $cgroup, $effective) = @_; my ($class, $cgroup, $effective) = @_;
return $class->new_from_path("/sys/fs/cgroup/cpuset/$cgroup", $effective);
}
# Create a new set from the contents of a complete path to a cgroup directory.
sub new_from_path {
my ($class, $path, $effective) = @_;
my $kind = $effective ? 'effective_cpus' : 'cpus'; my $kind = $effective ? 'effective_cpus' : 'cpus';
my $filename = "/sys/fs/cgroup/cpuset/$cgroup/cpuset.$kind"; my $filename = "$path/cpuset.$kind";
my $set_text = PVE::Tools::file_read_firstline($filename) // ''; my $set_text = PVE::Tools::file_read_firstline($filename) // '';
my ($count, $members) = parse_cpuset($set_text); my ($count, $members) = parse_cpuset($set_text);
die "got empty cpuset for cgroup '$cgroup'\n" die "got empty cpuset for cgroup '$path'\n"
if !$count; if !$count;
return $class->new($members); return $class->new($members);