Add support for OVS DPDK pmd auto balance parameters.
This patch adds 3 new role specific THT parameters to configure OVS DPDK pmd auto balance feature, OvsPmdLoadThreshold (PMD load threshold) OvsPmdImprovementThreshold (variance in PMD improvement threshold) OvsPmdRebalInterval (minimum time between 2 consecutive PMD auto load balancing iterations). Depends-On: https://review.opendev.org/c/openstack/tripleo-ansible/+/790251 Signed-off-by: yogananth subramanian <ysubrama@redhat.com> Change-Id: Id74ba956cf29241c93849602ab05c21c1ccb2b06
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@ -101,6 +101,43 @@ parameters:
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type: boolean
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tags:
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- role_specific
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OvsPmdLoadThreshold:
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description: >
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Minimum PMD thread load threshold. Its a string with a number
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in range 0 to 100, specifies the minimum PMD thread load threshold
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(% of used cycles) of any non-isolated PMD threads when a PMD Auto Load
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Balance may be triggered.
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constraints:
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- allowed_pattern: "[0-9]*"
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type: string
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default: ""
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tags:
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- role_specific
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OvsPmdImprovementThreshold:
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description: >
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PMD load variance improvement threshold. Its a string with a number
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in range 0 to 100, specifies the minimum evaluated % improvement in
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load distribution across the non-isolated PMD threads that will allow a
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PMD Auto Load Balance to occur.
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Note, setting this parameter to 0 will always allow an auto load balance
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to occur regardless of estimated improvement or not.
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constraints:
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- allowed_pattern: "[0-9]*"
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type: string
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default: ""
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tags:
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- role_specific
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OvsPmdRebalInterval:
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description: >
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PMD auto load balancing interval, Its a string with a number in range
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0 to 20,000, specifies the minimum time (in minutes) between 2
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consecutive PMD Auto Load Balancing iterations.
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constraints:
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- allowed_pattern: "[0-9]*"
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type: string
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default: ""
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tags:
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- role_specific
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OvsDisableEMC:
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default: false
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description: |
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@ -134,6 +171,9 @@ resources:
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revalidator: OvsRevalidatorCores
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handler: OvsHandlerCores
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pmd_auto_lb: OvsPmdAutoLb
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pmd_load_threshold: OvsPmdLoadThreshold
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pmd_improvement_threshold: OvsPmdImprovementThreshold
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pmd_rebal_interval: OvsPmdRebalInterval
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- values: {get_param: [RoleParameters]}
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- values:
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OvsDpdkCoreList: {get_param: OvsDpdkCoreList}
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@ -146,6 +186,9 @@ resources:
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OvsRevalidatorCores: {get_param: OvsRevalidatorCores}
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OvsHandlerCores: {get_param: OvsHandlerCores}
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OvsPmdAutoLb: {get_param: OvsPmdAutoLb}
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OvsPmdLoadThreshold: {get_param: OvsPmdLoadThreshold}
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OvsPmdImprovementThreshold: {get_param: OvsPmdImprovementThreshold}
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OvsPmdRebalInterval: {get_param: OvsPmdRebalInterval}
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BootParams:
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type: ./../kernel/kernel-boot-params-baremetal-ansible.yaml
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@ -175,6 +218,9 @@ outputs:
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tripleo_ovs_dpdk_revalidator_cores: {get_attr: [RoleParametersDpdk, value, revalidator]}
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tripleo_ovs_dpdk_handler_cores: {get_attr: [RoleParametersDpdk, value, handler]}
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tripleo_ovs_dpdk_pmd_auto_lb: {get_attr: [RoleParametersDpdk, value, pmd_auto_lb]}
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tripleo_ovs_dpdk_pmd_load_threshold: {get_attr: [RoleParametersDpdk, value, pmd_load_threshold]}
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tripleo_ovs_dpdk_pmd_improvement_threshold: {get_attr: [RoleParametersDpdk, value, pmd_improvement_threshold]}
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tripleo_ovs_dpdk_pmd_rebal_interval: {get_attr: [RoleParametersDpdk, value, pmd_rebal_interval]}
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tripleo_ovs_dpdk_emc_insertion_probablity:
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if:
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- {get_param: OvsDisableEMC}
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@ -0,0 +1,7 @@
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---
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features:
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- Add support for OVS DPDK pmd auto balance parameters.
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This feature adds 3 new role specific THT parameters to set
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pmd-auto-lb-load-threshold, pmd-auto-lb-improvement-threshold,
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and pmd-auto-lb-rebal-interval in OVS through OvsPmdLoadThreshold,
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OvsPmdImprovementThreshold and OvsPmdRebalInterval respectively.
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