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Merge pull request #230 from NVIDIA/update_of_dependencies
Dependency from obsolete package was removed
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,4 @@ | ||
| `/internal` | ||
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| Code intended for private use only, not for external import. | ||
| Note that this layout pattern is enforced by the Go compiler itself. See the Go 1.4 [`release notes`](https://golang.org/doc/go1.4#internalpackages) for more details. |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| /* | ||
| * Copyright (c) 2024, 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. | ||
| */ | ||
|
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| package nvmlprovider | ||
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| import ( | ||
| "errors" | ||
| "fmt" | ||
| "strconv" | ||
| "strings" | ||
| "sync" | ||
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| "github.com/NVIDIA/go-nvml/pkg/nvml" | ||
| "github.com/sirupsen/logrus" | ||
| ) | ||
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| var nvmlOnce *sync.Once = new(sync.Once) | ||
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| type MIGDeviceInfo struct { | ||
| ParentUUID string | ||
| GPUInstanceID int | ||
| ComputeInstanceID int | ||
| } | ||
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| // GetMIGDeviceInfoByID returns information about MIG DEVICE by ID | ||
| func GetMIGDeviceInfoByID(uuid string) (*MIGDeviceInfo, error) { | ||
| var err error | ||
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| nvmlOnce.Do(func() { | ||
| ret := nvml.Init() | ||
| if ret != nvml.SUCCESS { | ||
| err = errors.New(nvml.ErrorString(ret)) | ||
| logrus.Error("Can not init NVML library") | ||
| } | ||
| }) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| // 1. With drivers >= R470 (470.42.01+), each MIG device is assigned a GPU UUID starting | ||
| // with MIG-<UUID>. | ||
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| device, ret := nvml.DeviceGetHandleByUUID(uuid) | ||
| if ret == nvml.SUCCESS { | ||
| parentDevice, ret := device.GetDeviceHandleFromMigDeviceHandle() | ||
| if ret != nvml.SUCCESS { | ||
| return nil, errors.New(nvml.ErrorString(ret)) | ||
| } | ||
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| parentUUID, ret := parentDevice.GetUUID() | ||
| if ret != nvml.SUCCESS { | ||
| return nil, errors.New(nvml.ErrorString(ret)) | ||
| } | ||
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| gi, ret := device.GetGpuInstanceId() | ||
| if ret != nvml.SUCCESS { | ||
| return nil, errors.New(nvml.ErrorString(ret)) | ||
| } | ||
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| ci, ret := device.GetComputeInstanceId() | ||
| if ret != nvml.SUCCESS { | ||
| return nil, errors.New(nvml.ErrorString(ret)) | ||
| } | ||
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| return &MIGDeviceInfo{ | ||
| ParentUUID: parentUUID, | ||
| GPUInstanceID: gi, | ||
| ComputeInstanceID: ci, | ||
| }, nil | ||
| } | ||
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| // 2. With drivers < R470 (e.g. R450 and R460), each MIG device is enumerated by | ||
| // specifying the CI and the corresponding parent GI. The format follows this | ||
| // convention: MIG-<GPU-UUID>/<GPU instance ID>/<compute instance ID>. | ||
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| tokens := strings.SplitN(uuid, "-", 2) | ||
| if len(tokens) != 2 || tokens[0] != "MIG" { | ||
| return nil, fmt.Errorf("Unable to parse UUID as MIG device") | ||
| } | ||
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| tokens = strings.SplitN(tokens[1], "/", 3) | ||
| if len(tokens) != 3 || !strings.HasPrefix(tokens[0], "GPU-") { | ||
| return nil, fmt.Errorf("Unable to parse UUID as MIG device") | ||
| } | ||
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| gi, err := strconv.Atoi(tokens[1]) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("Unable to parse UUID as MIG device") | ||
| } | ||
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| ci, err := strconv.Atoi(tokens[2]) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("Unable to parse UUID as MIG device") | ||
| } | ||
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| return &MIGDeviceInfo{ | ||
| ParentUUID: tokens[0], | ||
| GPUInstanceID: gi, | ||
| ComputeInstanceID: ci, | ||
| }, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| /* | ||
| * Copyright (c) 2024, 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. | ||
| */ | ||
|
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| package nvmlprovider | ||
|
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| import ( | ||
| "testing" | ||
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| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
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| func TestGetMIGDeviceInfoByID_When_DriverVersion_Below_R470(t *testing.T) { | ||
| tests := []struct { | ||
| name string | ||
| uuid string | ||
| expectedGPU string | ||
| expectedGi int | ||
| expectedCi int | ||
| expectedError bool | ||
| }{ | ||
| { | ||
| name: "Successfull Parsing", | ||
| uuid: "MIG-GPU-b8ea3855-276c-c9cb-b366-c6fa655957c5/1/5", | ||
| expectedGPU: "GPU-b8ea3855-276c-c9cb-b366-c6fa655957c5", | ||
| expectedGi: 1, | ||
| expectedCi: 5, | ||
| }, | ||
| { | ||
| name: "Fail, Missing MIG at the beginning of UUID", | ||
| uuid: "GPU-b8ea3855-276c-c9cb-b366-c6fa655957c5/1/5", | ||
| expectedError: true, | ||
| }, | ||
| { | ||
| name: "Fail, Missing GPU at the beginning of GPU UUID", | ||
| uuid: "MIG-b8ea3855-276c-c9cb-b366-c6fa655957c5/1/5", | ||
| expectedError: true, | ||
| }, | ||
| { | ||
| name: "Fail, GI not parsable", | ||
| uuid: "MIG-GPU-b8ea3855-276c-c9cb-b366-c6fa655957c5/xx/5", | ||
| expectedError: true, | ||
| }, | ||
| { | ||
| name: "Fail, CI not a parsable", | ||
| uuid: "MIG-GPU-b8ea3855-276c-c9cb-b366-c6fa655957c5/1/xx", | ||
| expectedError: true, | ||
| }, | ||
| } | ||
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| for _, tc := range tests { | ||
| t.Run(tc.name, func(t *testing.T) { | ||
| deviceInfo, err := GetMIGDeviceInfoByID(tc.uuid) | ||
| if tc.expectedError && err != nil { | ||
| return | ||
| } | ||
| if tc.expectedError && err == nil { | ||
| t.Fatalf("Expected an error, but didn't get one: uuid: %v, (gpu: %v, gi: %v, ci: %v)", | ||
| tc.uuid, | ||
| deviceInfo.ParentUUID, | ||
| deviceInfo.GPUInstanceID, | ||
| deviceInfo.ComputeInstanceID) | ||
| } | ||
| if !tc.expectedError && err != nil { | ||
| t.Fatalf("Unexpected error: %v, uuid: %v, (gpu: %v, gi: %v, ci: %v)", | ||
| err, | ||
| tc.uuid, | ||
| deviceInfo.ParentUUID, | ||
| deviceInfo.GPUInstanceID, | ||
| deviceInfo.ComputeInstanceID) | ||
| } | ||
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| assert.Equal(t, tc.expectedGPU, deviceInfo.ParentUUID, "MIG UUID parsed incorrectly: uuid: %v, (gpu: %v, gi: %v, ci: %v)", | ||
| tc.uuid, | ||
| deviceInfo.ParentUUID, | ||
| deviceInfo.GPUInstanceID, | ||
| deviceInfo.ComputeInstanceID) | ||
| assert.Equal(t, tc.expectedGi, deviceInfo.GPUInstanceID, "MIG UUID parsed incorrectly: uuid: %v, (gpu: %v, gi: %v, ci: %v)", | ||
| tc.uuid, | ||
| deviceInfo.ParentUUID, | ||
| deviceInfo.GPUInstanceID, | ||
| deviceInfo.ComputeInstanceID) | ||
| assert.Equal(t, tc.expectedCi, deviceInfo.ComputeInstanceID, "MIG UUID parsed incorrectly: uuid: %v, (gpu: %v, gi: %v, ci: %v)", | ||
| tc.uuid, | ||
| deviceInfo.ParentUUID, | ||
| deviceInfo.GPUInstanceID, | ||
| deviceInfo.ComputeInstanceID) | ||
| }) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| /* | ||
| * Copyright (c) 2024, 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 testutils | ||
|
|
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| import ( | ||
| "runtime" | ||
| "testing" | ||
| ) | ||
|
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| // RequireLinux checks if | ||
| func RequireLinux(t *testing.T) { | ||
| t.Helper() | ||
| if runtime.GOOS != "linux" { | ||
| t.Skipf("Test is not supported on %q", runtime.GOOS) | ||
| } | ||
| } |
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