mirror of
https://github.com/clearml/go-nvlib
synced 2025-01-31 02:47:02 +00:00
Add a MIG package as a subpackage to nvlib
For now this package only has functions to work with MIG profiles. More functionality will be added here in the future. Signed-off-by: Kevin Klues <kklues@nvidia.com>
This commit is contained in:
Kevin Klues
parent
16ab19d8ae
commit
e95e3a5e8b
135
pkg/nvlib/mig/device.go
Normal file
135
pkg/nvlib/mig/device.go
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@ -0,0 +1,135 @@
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/*
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* Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package mig
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import (
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"fmt"
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"gitlab.com/nvidia/cloud-native/go-nvlib/pkg/nvml"
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)
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// Device defines the set of extended functions associated with a mig.Device
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type Device interface {
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GetProfile() (Profile, error)
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}
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type device struct {
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nvml.Device
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miglib *miglib
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profile Profile
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}
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var _ Device = &device{}
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// NewDevice builds a new Device from an nvml.Device
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func (m *miglib) NewDevice(d nvml.Device) (Device, error) {
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isMig, ret := d.IsMigDeviceHandle()
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if ret != nvml.SUCCESS {
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return nil, fmt.Errorf("error checking if device is a MIG device: %v", ret)
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}
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if !isMig {
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return nil, fmt.Errorf("not a MIG device")
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}
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return &device{d, m, nil}, nil
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}
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// GetProfile returns the MIG profile associated with a MIG device
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func (d *device) GetProfile() (Profile, error) {
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if d.profile != nil {
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return d.profile, nil
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}
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parent, ret := d.Device.GetDeviceHandleFromMigDeviceHandle()
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if ret != nvml.SUCCESS {
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return nil, fmt.Errorf("error getting parent device handle: %v", ret)
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}
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parentMemoryInfo, ret := parent.GetMemoryInfo()
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if ret != nvml.SUCCESS {
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return nil, fmt.Errorf("error getting parent memory info: %v", ret)
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}
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attributes, ret := d.Device.GetAttributes()
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if ret != nvml.SUCCESS {
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return nil, fmt.Errorf("error getting MIG device attributes: %v", ret)
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}
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giID, ret := d.Device.GetGpuInstanceId()
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if ret != nvml.SUCCESS {
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return nil, fmt.Errorf("error getting MIG device GPU Instance ID: %v", ret)
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}
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ciID, ret := d.Device.GetComputeInstanceId()
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if ret != nvml.SUCCESS {
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return nil, fmt.Errorf("error getting MIG device Compute Instance ID: %v", ret)
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}
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gi, ret := parent.GetGpuInstanceById(giID)
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if ret != nvml.SUCCESS {
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return nil, fmt.Errorf("error getting GPU Instance: %v", ret)
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}
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ci, ret := gi.GetComputeInstanceById(ciID)
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if ret != nvml.SUCCESS {
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return nil, fmt.Errorf("error getting Compute Instance: %v", ret)
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}
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giInfo, ret := gi.GetInfo()
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if ret != nvml.SUCCESS {
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return nil, fmt.Errorf("error getting GPU Instance info: %v", ret)
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}
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ciInfo, ret := ci.GetInfo()
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if ret != nvml.SUCCESS {
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return nil, fmt.Errorf("error getting Compute Instance info: %v", ret)
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}
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for i := 0; i < nvml.GPU_INSTANCE_PROFILE_COUNT; i++ {
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giProfileInfo, ret := parent.GetGpuInstanceProfileInfo(i)
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if ret != nvml.SUCCESS {
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return nil, fmt.Errorf("error getting GPU Instance profile info: %v", ret)
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}
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if giProfileInfo.Id != giInfo.ProfileId {
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continue
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}
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for j := 0; j < nvml.COMPUTE_INSTANCE_PROFILE_COUNT; j++ {
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for k := 0; k < nvml.COMPUTE_INSTANCE_ENGINE_PROFILE_COUNT; k++ {
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ciProfileInfo, ret := gi.GetComputeInstanceProfileInfo(j, k)
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if ret != nvml.SUCCESS {
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return nil, fmt.Errorf("error getting Compute Instance profile info: %v", ret)
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}
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if ciProfileInfo.Id != ciInfo.ProfileId {
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continue
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}
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p, err := d.miglib.NewProfile(i, j, k, attributes.MemorySizeMB, parentMemoryInfo.Total)
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if err != nil {
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return nil, fmt.Errorf("error creating MIG profile: %v", err)
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}
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d.profile = p
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return p, nil
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}
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}
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}
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return nil, fmt.Errorf("no matching profile IDs found")
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}
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56
pkg/nvlib/mig/mig.go
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56
pkg/nvlib/mig/mig.go
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@ -0,0 +1,56 @@
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/*
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* Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package mig
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import (
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"gitlab.com/nvidia/cloud-native/go-nvlib/pkg/nvml"
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)
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// Interface provides the API to the mig package
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type Interface interface {
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NewProfile(giProfileID, ciProfileID, ciEngProfileID int, migMemorySizeMB, deviceMemorySizeBytes uint64) (Profile, error)
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ParseProfile(profile string) (Profile, error)
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NewDevice(d nvml.Device) (Device, error)
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}
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type miglib struct {
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nvml nvml.Interface
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}
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var _ Interface = &miglib{}
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// New creates a new instance of the 'mig' interface
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func New(opts ...Option) Interface {
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m := &miglib{}
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for _, opt := range opts {
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opt(m)
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}
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if m.nvml == nil {
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m.nvml = nvml.New()
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}
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return m
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}
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// WithNvml provides an Option to set the NVML library used by the 'mig' interface
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func WithNvml(nvml nvml.Interface) Option {
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return func(m *miglib) {
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m.nvml = nvml
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}
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}
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// Option defines a function for passing options to the New() call
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type Option func(*miglib)
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332
pkg/nvlib/mig/profile.go
Normal file
332
pkg/nvlib/mig/profile.go
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@ -0,0 +1,332 @@
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/*
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* Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package mig
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import (
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"fmt"
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"math"
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"strconv"
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"strings"
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"gitlab.com/nvidia/cloud-native/go-nvlib/pkg/nvml"
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)
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const (
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// AttributeMediaExtensions holds the string representation for the media extension MIG profile attribute.
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AttributeMediaExtensions = "me"
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)
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// Profile represents a specific MIG profile.
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// Examples include "1g.5gb", "2g.10gb", "1c.2g.10gb", or "1c.1g.5gb+me", etc.
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type Profile interface {
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String() string
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GetInfo() ProfileInfo
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Equals(other Profile) bool
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}
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// ProfileInfo holds all info associated with a specific MIG profile
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type ProfileInfo struct {
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C int
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G int
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GB int
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Attributes []string
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GIProfileID int
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CIProfileID int
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CIEngProfileID int
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}
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var _ Profile = &ProfileInfo{}
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// NewProfile constructs a new Profile struct using info from the giProfiles and ciProfiles used to create it.
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func (m *miglib) NewProfile(giProfileID, ciProfileID, ciEngProfileID int, migMemorySizeMB, deviceMemorySizeBytes uint64) (Profile, error) {
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giSlices := 0
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switch giProfileID {
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case nvml.GPU_INSTANCE_PROFILE_1_SLICE:
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giSlices = 1
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case nvml.GPU_INSTANCE_PROFILE_1_SLICE_REV1:
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giSlices = 1
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case nvml.GPU_INSTANCE_PROFILE_2_SLICE:
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giSlices = 2
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case nvml.GPU_INSTANCE_PROFILE_3_SLICE:
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giSlices = 3
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case nvml.GPU_INSTANCE_PROFILE_4_SLICE:
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giSlices = 4
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case nvml.GPU_INSTANCE_PROFILE_6_SLICE:
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giSlices = 6
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case nvml.GPU_INSTANCE_PROFILE_7_SLICE:
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giSlices = 7
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case nvml.GPU_INSTANCE_PROFILE_8_SLICE:
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giSlices = 8
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default:
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return nil, fmt.Errorf("invalid GPU Instance Profile ID: %v", giProfileID)
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}
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ciSlices := 0
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switch ciProfileID {
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case nvml.COMPUTE_INSTANCE_PROFILE_1_SLICE:
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ciSlices = 1
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case nvml.COMPUTE_INSTANCE_PROFILE_2_SLICE:
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ciSlices = 2
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case nvml.COMPUTE_INSTANCE_PROFILE_3_SLICE:
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ciSlices = 3
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case nvml.COMPUTE_INSTANCE_PROFILE_4_SLICE:
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ciSlices = 4
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case nvml.COMPUTE_INSTANCE_PROFILE_6_SLICE:
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ciSlices = 6
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case nvml.COMPUTE_INSTANCE_PROFILE_7_SLICE:
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ciSlices = 7
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case nvml.COMPUTE_INSTANCE_PROFILE_8_SLICE:
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ciSlices = 8
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default:
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return nil, fmt.Errorf("invalid Compute Instance Profile ID: %v", ciProfileID)
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}
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var attrs []string
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switch giProfileID {
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case nvml.GPU_INSTANCE_PROFILE_1_SLICE_REV1:
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attrs = append(attrs, AttributeMediaExtensions)
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}
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p := &ProfileInfo{
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C: ciSlices,
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G: giSlices,
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GB: int(getMigMemorySizeGB(deviceMemorySizeBytes, migMemorySizeMB)),
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Attributes: attrs,
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GIProfileID: giProfileID,
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CIProfileID: ciProfileID,
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CIEngProfileID: ciEngProfileID,
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}
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return p, nil
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}
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// ParseProfile converts a string representation of a Profile into an object.
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func (m *miglib) ParseProfile(profile string) (Profile, error) {
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var err error
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var c, g, gb int
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var attrs []string
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if len(profile) == 0 {
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return nil, fmt.Errorf("empty Profile string")
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}
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split := strings.SplitN(profile, "+", 2)
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if len(split) == 2 {
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attrs, err = parseProfileAttributes(split[1])
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if err != nil {
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return nil, fmt.Errorf("error parsing attributes following '+' in Profile string: %v", err)
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}
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}
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c, g, gb, err = parseProfileFields(split[0])
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if err != nil {
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return nil, fmt.Errorf("error parsing '.' separated fields in Profile string: %v", err)
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}
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p := &ProfileInfo{
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C: c,
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G: g,
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GB: gb,
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Attributes: attrs,
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}
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switch c {
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case 1:
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p.CIProfileID = nvml.COMPUTE_INSTANCE_PROFILE_1_SLICE
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case 2:
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p.CIProfileID = nvml.COMPUTE_INSTANCE_PROFILE_2_SLICE
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case 3:
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p.CIProfileID = nvml.COMPUTE_INSTANCE_PROFILE_3_SLICE
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case 4:
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p.CIProfileID = nvml.COMPUTE_INSTANCE_PROFILE_4_SLICE
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case 6:
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p.CIProfileID = nvml.COMPUTE_INSTANCE_PROFILE_6_SLICE
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case 7:
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p.CIProfileID = nvml.COMPUTE_INSTANCE_PROFILE_7_SLICE
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case 8:
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p.CIProfileID = nvml.COMPUTE_INSTANCE_PROFILE_8_SLICE
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default:
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return nil, fmt.Errorf("unknown Compute Instance slice size: %v", c)
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}
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switch g {
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case 1:
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p.GIProfileID = nvml.GPU_INSTANCE_PROFILE_1_SLICE
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case 2:
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p.GIProfileID = nvml.GPU_INSTANCE_PROFILE_2_SLICE
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case 3:
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p.GIProfileID = nvml.GPU_INSTANCE_PROFILE_3_SLICE
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case 4:
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p.GIProfileID = nvml.GPU_INSTANCE_PROFILE_4_SLICE
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case 6:
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p.GIProfileID = nvml.GPU_INSTANCE_PROFILE_6_SLICE
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case 7:
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p.GIProfileID = nvml.GPU_INSTANCE_PROFILE_7_SLICE
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case 8:
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p.GIProfileID = nvml.GPU_INSTANCE_PROFILE_8_SLICE
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default:
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return nil, fmt.Errorf("unknown GPU Instance slice size: %v", g)
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}
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p.CIEngProfileID = nvml.COMPUTE_INSTANCE_ENGINE_PROFILE_SHARED
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for _, a := range attrs {
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switch a {
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case AttributeMediaExtensions:
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p.GIProfileID = nvml.GPU_INSTANCE_PROFILE_1_SLICE_REV1
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default:
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return nil, fmt.Errorf("unknown Profile attribute: %v", a)
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}
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}
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return p, nil
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}
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// String returns the string representation of a Profile
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func (p *ProfileInfo) String() string {
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var suffix string
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if len(p.Attributes) > 0 {
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suffix = "+" + strings.Join(p.Attributes, ",")
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}
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if p.C == p.G {
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return fmt.Sprintf("%dg.%dgb%s", p.G, p.GB, suffix)
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}
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return fmt.Sprintf("%dc.%dg.%dgb%s", p.C, p.G, p.GB, suffix)
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}
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// GetInfo returns detailed info about a Profile
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func (p *ProfileInfo) GetInfo() ProfileInfo {
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return *p
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}
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// Equals checks if two Profiles are identical or not
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func (p *ProfileInfo) Equals(other Profile) bool {
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switch o := other.(type) {
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case *ProfileInfo:
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if p.C != o.C {
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return false
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}
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if p.G != o.G {
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return false
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}
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if p.GB != o.GB {
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return false
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}
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if p.GIProfileID != o.GIProfileID {
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return false
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}
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if p.CIProfileID != o.CIProfileID {
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return false
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}
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if p.CIEngProfileID != o.CIEngProfileID {
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return false
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}
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return true
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}
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return false
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}
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func parseProfileField(s string, field string) (int, error) {
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if strings.TrimSpace(s) != s {
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return -1, fmt.Errorf("leading or trailing spaces on '%%d%s'", field)
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}
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if !strings.HasSuffix(s, field) {
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return -1, fmt.Errorf("missing '%s' from '%%d%s'", field, field)
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}
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v, err := strconv.Atoi(strings.TrimSuffix(s, field))
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if err != nil {
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return -1, fmt.Errorf("malformed number in '%%d%s'", field)
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}
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return v, nil
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}
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func parseProfileFields(s string) (int, int, int, error) {
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var err error
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var c, g, gb int
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split := strings.SplitN(s, ".", 3)
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if len(split) == 3 {
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c, err = parseProfileField(split[0], "c")
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if err != nil {
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return -1, -1, -1, err
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}
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g, err = parseProfileField(split[1], "g")
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if err != nil {
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return -1, -1, -1, err
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}
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gb, err = parseProfileField(split[2], "gb")
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if err != nil {
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return -1, -1, -1, err
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}
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return c, g, gb, err
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}
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if len(split) == 2 {
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g, err = parseProfileField(split[0], "g")
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if err != nil {
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return -1, -1, -1, err
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}
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gb, err = parseProfileField(split[1], "gb")
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if err != nil {
|
||||
return -1, -1, -1, err
|
||||
}
|
||||
return g, g, gb, nil
|
||||
}
|
||||
|
||||
return -1, -1, -1, fmt.Errorf("parsed wrong number of fields, expected 2 or 3")
|
||||
}
|
||||
|
||||
func parseProfileAttributes(s string) ([]string, error) {
|
||||
attr := strings.Split(s, ",")
|
||||
if len(attr) == 0 {
|
||||
return nil, fmt.Errorf("empty attribute list")
|
||||
}
|
||||
unique := make(map[string]int)
|
||||
for _, a := range attr {
|
||||
if unique[a] > 0 {
|
||||
return nil, fmt.Errorf("non unique attribute in list")
|
||||
}
|
||||
if a == "" {
|
||||
return nil, fmt.Errorf("empty attribute in list")
|
||||
}
|
||||
if strings.TrimSpace(a) != a {
|
||||
return nil, fmt.Errorf("leading or trailing spaces in attribute")
|
||||
}
|
||||
if a[0] >= '0' && a[0] <= '9' {
|
||||
return nil, fmt.Errorf("attribute begins with a number")
|
||||
}
|
||||
for _, c := range a {
|
||||
if (c < 'a' || c > 'z') && (c < 'A' || c > 'Z') && (c < '0' || c > '9') {
|
||||
return nil, fmt.Errorf("non alpha-numeric character or digit in attribute")
|
||||
}
|
||||
}
|
||||
unique[a]++
|
||||
}
|
||||
return attr, nil
|
||||
}
|
||||
|
||||
func getMigMemorySizeGB(totalDeviceMemory, migMemorySizeMB uint64) uint64 {
|
||||
const fracDenominator = 8
|
||||
const oneMB = 1024 * 1024
|
||||
const oneGB = 1024 * 1024 * 1024
|
||||
fractionalGpuMem := (float64(migMemorySizeMB) * oneMB) / float64(totalDeviceMemory)
|
||||
fractionalGpuMem = math.Ceil(fractionalGpuMem*fracDenominator) / fracDenominator
|
||||
totalMemGB := float64((totalDeviceMemory + oneGB - 1) / oneGB)
|
||||
return uint64(math.Round(fractionalGpuMem * totalMemGB))
|
||||
}
|
||||
315
pkg/nvlib/mig/profile_test.go
Normal file
315
pkg/nvlib/mig/profile_test.go
Normal file
@ -0,0 +1,315 @@
|
||||
/*
|
||||
* Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
package mig
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"testing"
|
||||
|
||||
"github.com/stretchr/testify/require"
|
||||
)
|
||||
|
||||
func TestParseMigProfile(t *testing.T) {
|
||||
testCases := []struct {
|
||||
description string
|
||||
device string
|
||||
valid bool
|
||||
}{
|
||||
{
|
||||
"Empty device type",
|
||||
"",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Valid 1g.5gb",
|
||||
"1g.5gb",
|
||||
true,
|
||||
},
|
||||
{
|
||||
"Valid 1c.1g.5gb",
|
||||
"1c.1g.5gb",
|
||||
true,
|
||||
},
|
||||
{
|
||||
"Valid 1g.5gb+me",
|
||||
"1g.5gb+me",
|
||||
true,
|
||||
},
|
||||
{
|
||||
"Valid 1c.1g.5gb+me",
|
||||
"1c.1g.5gb+me",
|
||||
true,
|
||||
},
|
||||
{
|
||||
"Invalid 0g.0gb",
|
||||
"0g.0gb",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid 0c.0g.0gb",
|
||||
"0c.0g.0gb",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid 10000g.500000gb",
|
||||
"10000g.500000gb",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid 10000c.10000g.500000gb",
|
||||
"10000c.10000g.500000gb",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid ' 1c.1g.5gb'",
|
||||
" 1c.1g.5gb",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid '1 c.1g.5gb'",
|
||||
"1 c.1g.5gb",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid '1c .1g.5gb'",
|
||||
"1c .1g.5gb",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid '1c. 1g.5gb'",
|
||||
"1c. 1g.5gb",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid '1c.1 g.5gb'",
|
||||
"1c.1 g.5gb",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid '1c.1g .5gb'",
|
||||
"1c.1g .5gb",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid '1c.1g. 5gb'",
|
||||
"1c.1g. 5gb",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid '1c.1g.5 gb'",
|
||||
"1c.1g.5 gb",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid '1c.1g.5g b'",
|
||||
"1c.1g.5g b",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid '1c.1g.5gb '",
|
||||
"1c.1g.5gb ",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid '1c . 1g . 5gb'",
|
||||
"1c . 1g . 5gb",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid 1c.f1g.5gb",
|
||||
"1c.f1g.5gb",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid 1r.1g.5gb",
|
||||
"1r.1g.5gb",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid 1g.5gbk",
|
||||
"1g.5gbk",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid 1g.5",
|
||||
"1g.5",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid g.5gb",
|
||||
"1g.5",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid g.5gb",
|
||||
"g.5gb",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid 1g.gb",
|
||||
"1g.gb",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid 1g.5gb+me,me",
|
||||
"1g.5gb+me,me",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid 1g.5gb+me,you,them",
|
||||
"1g.5gb+me,you,them",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid 1c.1g.5gb+me,you,them",
|
||||
"1c.1g.5gb+me,you,them",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid 1g.5gb+",
|
||||
"1g.5gb+",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid 1g.5gb +",
|
||||
"1g.5gb+",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid 1g.5gb+ ",
|
||||
"1g.5gb+",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid 1g.5gb+ ,",
|
||||
"1g.5gb+",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid 1g.5gb+,",
|
||||
"1g.5gb+",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid 1g.5gb+,,",
|
||||
"1g.5gb+",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid 1g.5gb+me,",
|
||||
"1g.5gb+",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid 1g.5gb+me,,",
|
||||
"1g.5gb+",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid 1g.5gb+me, ",
|
||||
"1g.5gb+",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid 1g.5gb+2me",
|
||||
"1g.5gb+2me",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Inavlid 1g.5gb*me",
|
||||
"1g.5gb*me",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid 1c.1g.5gb*me",
|
||||
"1c.1g.5gb*me",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid 1g.5gb*me,you,them",
|
||||
"1g.5gb*me,you,them",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid 1c.1g.5gb*me,you,them",
|
||||
"1c.1g.5gb*me,you,them",
|
||||
false,
|
||||
},
|
||||
{
|
||||
"Invalid bogus",
|
||||
"bogus",
|
||||
false,
|
||||
},
|
||||
}
|
||||
|
||||
m := New()
|
||||
for _, tc := range testCases {
|
||||
t.Run(tc.description, func(t *testing.T) {
|
||||
_, err := m.ParseProfile(tc.device)
|
||||
if tc.valid {
|
||||
require.Nil(t, err)
|
||||
} else {
|
||||
require.Error(t, err)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func TestGetMigMemorySizeGB(t *testing.T) {
|
||||
type testCase struct {
|
||||
totalDeviceMemory uint64
|
||||
migMemorySizeMB uint64
|
||||
expectedMemorySizeGB uint64
|
||||
}
|
||||
|
||||
const maxMemorySlices = 8
|
||||
const oneMB = uint64(1024 * 1024)
|
||||
const oneGB = uint64(1024 * 1024 * 1024)
|
||||
|
||||
totalDeviceMemory := []uint64{
|
||||
24 * oneGB,
|
||||
40 * oneGB,
|
||||
80 * oneGB,
|
||||
}
|
||||
|
||||
testCases := []testCase{}
|
||||
for _, tdm := range totalDeviceMemory {
|
||||
sliceSize := tdm / maxMemorySlices
|
||||
|
||||
const stepSize = oneGB / 32
|
||||
for i := stepSize; i <= tdm; i += stepSize {
|
||||
tc := testCase{
|
||||
totalDeviceMemory: tdm,
|
||||
migMemorySizeMB: i / oneMB,
|
||||
}
|
||||
for j := uint64(sliceSize); j <= tdm; j += sliceSize {
|
||||
if i <= j {
|
||||
tc.expectedMemorySizeGB = j / oneGB
|
||||
break
|
||||
}
|
||||
}
|
||||
testCases = append(testCases, tc)
|
||||
}
|
||||
}
|
||||
|
||||
for _, tc := range testCases {
|
||||
t.Run(fmt.Sprintf("%v", tc.migMemorySizeMB), func(t *testing.T) {
|
||||
memorySizeGB := getMigMemorySizeGB(tc.totalDeviceMemory, tc.migMemorySizeMB)
|
||||
require.Equal(t, int(tc.expectedMemorySizeGB), int(memorySizeGB))
|
||||
})
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user