Add options for CPU power management features
Nova recently introduced the feature to manage pCPU cores performance. This adds support for these options. Change-Id: Id1577cf258f29874a5cd1a693025092607bbe9b8
This commit is contained in:
Takashi Kajinami
parent
d12c547f5b
commit
7aacf38c1d
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@ -39,6 +39,22 @@
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# to 'none'.
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# Defaults to undef
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#
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# [*cpu_power_management*]
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# (optional) Use libvirt to manage CPU cores performance
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# Defaults to $::os_service_default
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#
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# [*cpu_power_management_strategy*]
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# (optional) Tuning strategy to reduce CPU power consumption when unused.
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# Defaults to $::os_service_default
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#
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# [*cpu_power_governor_low*]
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# (optional) Governor to use in order to reduce CPU power consumption.
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# Defaults to $::os_service_default
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#
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# [*cpu_power_governor_high*]
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# (optional) Goernor to use in order to have best CPU performance.
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# Defaults to $::os_service_default
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#
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# [*snapshot_image_format*]
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# (optional) Format to save snapshots to. Some filesystems
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# have a preference and only operate on raw or qcow2
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@ -250,6 +266,10 @@ class nova::compute::libvirt (
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$cpu_mode = false,
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$cpu_models = [],
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$cpu_model_extra_flags = undef,
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$cpu_power_management = $facts['os_service_default'],
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$cpu_power_management_strategy = $facts['os_service_default'],
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$cpu_power_governor_low = $facts['os_service_default'],
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$cpu_power_governor_high = $facts['os_service_default'],
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$snapshot_image_format = $facts['os_service_default'],
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$snapshots_directory = $facts['os_service_default'],
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$disk_cachemodes = [],
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@ -368,37 +388,41 @@ class nova::compute::libvirt (
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}
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nova_config {
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'DEFAULT/compute_driver': value => $compute_driver;
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'DEFAULT/preallocate_images': value => $preallocate_images;
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'vnc/server_listen': value => $vncserver_listen;
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'libvirt/virt_type': value => $virt_type;
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'libvirt/cpu_mode': value => $cpu_mode_default;
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'libvirt/snapshot_image_format': value => $snapshot_image_format;
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'libvirt/snapshots_directory': value => $snapshots_directory;
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'libvirt/inject_password': value => $inject_password;
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'libvirt/inject_key': value => $inject_key;
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'libvirt/inject_partition': value => $inject_partition;
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'libvirt/hw_disk_discard': value => $hw_disk_discard;
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'libvirt/hw_machine_type': value => $hw_machine_type;
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'libvirt/sysinfo_serial': value => $sysinfo_serial;
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'libvirt/enabled_perf_events': value => join(any2array($enabled_perf_events), ',');
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'libvirt/device_detach_attempts': value => $device_detach_attempts;
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'libvirt/device_detach_timeout': value => $device_detach_timeout;
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'libvirt/rx_queue_size': value => $rx_queue_size;
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'libvirt/tx_queue_size': value => $tx_queue_size;
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'libvirt/file_backed_memory': value => $file_backed_memory;
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'libvirt/images_type': value => $images_type;
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'libvirt/volume_use_multipath': value => $volume_use_multipath;
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'libvirt/nfs_mount_options': value => $nfs_mount_options;
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'libvirt/num_pcie_ports': value => $num_pcie_ports;
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'libvirt/mem_stats_period_seconds': value => $mem_stats_period_seconds;
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'libvirt/pmem_namespaces': value => join(any2array($pmem_namespaces), ',');
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'libvirt/swtpm_enabled': value => $swtpm_enabled;
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'libvirt/swtpm_user' : value => $swtpm_user;
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'libvirt/swtpm_group': value => $swtpm_group;
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'libvirt/max_queues': value => $max_queues;
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'libvirt/num_memory_encrypted_guests': value => $num_memory_encrypted_guests;
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'libvirt/wait_soft_reboot_seconds': value => $wait_soft_reboot_seconds;
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'DEFAULT/compute_driver': value => $compute_driver;
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'DEFAULT/preallocate_images': value => $preallocate_images;
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'vnc/server_listen': value => $vncserver_listen;
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'libvirt/virt_type': value => $virt_type;
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'libvirt/cpu_mode': value => $cpu_mode_default;
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'libvirt/cpu_power_management': value => $cpu_power_management;
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'libvirt/cpu_power_management_strategy': value => $cpu_power_management_strategy;
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'libvirt/cpu_power_governor_low': value => $cpu_power_governor_low;
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'libvirt/cpu_power_governor_high': value => $cpu_power_governor_high;
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'libvirt/snapshot_image_format': value => $snapshot_image_format;
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'libvirt/snapshots_directory': value => $snapshots_directory;
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'libvirt/inject_password': value => $inject_password;
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'libvirt/inject_key': value => $inject_key;
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'libvirt/inject_partition': value => $inject_partition;
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'libvirt/hw_disk_discard': value => $hw_disk_discard;
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'libvirt/hw_machine_type': value => $hw_machine_type;
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'libvirt/sysinfo_serial': value => $sysinfo_serial;
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'libvirt/enabled_perf_events': value => join(any2array($enabled_perf_events), ',');
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'libvirt/device_detach_attempts': value => $device_detach_attempts;
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'libvirt/device_detach_timeout': value => $device_detach_timeout;
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'libvirt/rx_queue_size': value => $rx_queue_size;
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'libvirt/tx_queue_size': value => $tx_queue_size;
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'libvirt/file_backed_memory': value => $file_backed_memory;
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'libvirt/images_type': value => $images_type;
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'libvirt/volume_use_multipath': value => $volume_use_multipath;
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'libvirt/nfs_mount_options': value => $nfs_mount_options;
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'libvirt/num_pcie_ports': value => $num_pcie_ports;
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'libvirt/mem_stats_period_seconds': value => $mem_stats_period_seconds;
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'libvirt/pmem_namespaces': value => join(any2array($pmem_namespaces), ',');
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'libvirt/swtpm_enabled': value => $swtpm_enabled;
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'libvirt/swtpm_user' : value => $swtpm_user;
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'libvirt/swtpm_group': value => $swtpm_group;
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'libvirt/max_queues': value => $max_queues;
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'libvirt/num_memory_encrypted_guests': value => $num_memory_encrypted_guests;
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'libvirt/wait_soft_reboot_seconds': value => $wait_soft_reboot_seconds;
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}
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validate_legacy(Array, 'validate_array', $cpu_models)
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@ -0,0 +1,10 @@
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---
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features:
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- |
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The following parameters have been added to the ``nova::compute::libvirt``
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class.
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- ``cpu_power_management``
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- ``cpu_power_management_strategy``
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- ``cpu_power_governor_low``
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- ``cpu_power_governor_high``
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@ -51,6 +51,10 @@ describe 'nova::compute::libvirt' do
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it { is_expected.to contain_nova_config('libvirt/cpu_mode').with_value('host-model')}
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it { is_expected.to contain_nova_config('libvirt/cpu_models').with_value('<SERVICE DEFAULT>')}
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it { is_expected.to contain_nova_config('libvirt/cpu_model_extra_flags').with_value('<SERVICE DEFAULT>')}
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it { is_expected.to contain_nova_config('libvirt/cpu_power_management').with_value('<SERVICE DEFAULT>')}
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it { is_expected.to contain_nova_config('libvirt/cpu_power_management_strategy').with_value('<SERVICE DEFAULT>')}
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it { is_expected.to contain_nova_config('libvirt/cpu_power_governor_low').with_value('<SERVICE DEFAULT>')}
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it { is_expected.to contain_nova_config('libvirt/cpu_power_governor_high').with_value('<SERVICE DEFAULT>')}
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it { is_expected.to contain_nova_config('libvirt/snapshot_image_format').with_value('<SERVICE DEFAULT>')}
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it { is_expected.to contain_nova_config('libvirt/snapshots_directory').with_value('<SERVICE DEFAULT>')}
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it { is_expected.to contain_nova_config('libvirt/disk_cachemodes').with_ensure('absent')}
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@ -87,6 +91,10 @@ describe 'nova::compute::libvirt' do
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:cpu_mode => 'host-passthrough',
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:cpu_models => ['kvm64', 'qemu64'],
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:cpu_model_extra_flags => 'pcid',
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:cpu_power_management => false,
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:cpu_power_management_strategy => 'cpu_state',
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:cpu_power_governor_low => 'powersave',
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:cpu_power_governor_high => 'performance',
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:snapshot_image_format => 'raw',
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:snapshots_directory => '/var/lib/nova/snapshots',
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:disk_cachemodes => ['file=directsync','block=none'],
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@ -134,6 +142,10 @@ describe 'nova::compute::libvirt' do
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it { is_expected.to contain_nova_config('libvirt/cpu_mode').with_value('host-passthrough')}
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it { is_expected.to contain_nova_config('libvirt/cpu_models').with_value('<SERVICE DEFAULT>')}
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it { is_expected.to contain_nova_config('libvirt/cpu_model_extra_flags').with_value('pcid')}
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it { is_expected.to contain_nova_config('libvirt/cpu_power_management').with_value(false)}
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it { is_expected.to contain_nova_config('libvirt/cpu_power_management_strategy').with_value('cpu_state')}
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it { is_expected.to contain_nova_config('libvirt/cpu_power_governor_low').with_value('powersave')}
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it { is_expected.to contain_nova_config('libvirt/cpu_power_governor_high').with_value('performance')}
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it { is_expected.to contain_nova_config('libvirt/snapshot_image_format').with_value('raw')}
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it { is_expected.to contain_nova_config('libvirt/snapshots_directory').with_value('/var/lib/nova/snapshots')}
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it { is_expected.to contain_nova_config('libvirt/disk_cachemodes').with_value('file=directsync,block=none')}
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