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implement hotplug for cpuunits

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Signed-off-by: Alexandre Derumier <aderumier@odiso.com>
This commit is contained in:
Alexandre Derumier 2015-05-28 15:59:22 +02:00 committed by Dietmar Maurer
parent f08e17c7be
commit c8effec354
1 changed files with 15 additions and 0 deletions
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15
PVE/QemuServer.pm
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@ -67,6 +67,17 @@ PVE::JSONSchema::register_standard_option('pve-snapshot-name', {
#no warnings 'redefine';
sub cgroups_write {
my ($controller, $vmid, $option, $value) = @_;
my $root_path = "/sys/fs/cgroup/";
my $vm_path = $root_path.$controller."/qemu.slice/$vmid.scope";
return if !$vm_path;
PVE::ProcFSTools::write_proc_entry("$vm_path/$option", $value);
}
unless(defined(&_VZSYSCALLS_H_)) {
eval 'sub _VZSYSCALLS_H_ () {1;}' unless defined(&_VZSYSCALLS_H_);
require 'sys/syscall.ph';
@ -3906,6 +3917,8 @@ sub vmconfig_hotplug_pending {
} elsif ($opt =~ m/^memory$/) {
die "skip\n" if !$hotplug_features->{memory};
qemu_memory_hotplug($vmid, $conf, $defaults, $opt);
} elsif ($opt eq 'cpuunits') {
cgroups_write("cpu", $vmid, "cpu.shares", $defaults->{cpuunits});
} else {
die "skip\n";
}
@ -3959,6 +3972,8 @@ sub vmconfig_hotplug_pending {
} elsif ($opt =~ m/^memory$/) { #dimms
die "skip\n" if !$hotplug_features->{memory};
$value = qemu_memory_hotplug($vmid, $conf, $defaults, $opt, $value);
} elsif ($opt eq 'cpuunits') {
cgroups_write("cpu", $vmid, "cpu.shares", $conf->{pending}->{$opt});
} else {
die "skip\n"; # skip non-hot-pluggable options
}