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Signed-off-by: Weizhen Wang <wangweizhen@pingcap.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| // Copyright 2022 PingCAP, Inc. | ||
| // | ||
| // 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. | ||
|
|
||
| //go:build linux | ||
|
|
||
| package cgroup | ||
|
|
||
| import ( | ||
| "runtime" | ||
| "sync" | ||
| "testing" | ||
|
|
||
| "github.com/stretchr/testify/require" | ||
| ) | ||
|
|
||
| func TestGetCgroupCPU(t *testing.T) { | ||
| exit := make(chan struct{}) | ||
| var wg sync.WaitGroup | ||
| for i := 0; i < 10; i++ { | ||
| wg.Add(1) | ||
| go func() { | ||
| defer wg.Done() | ||
| for { | ||
| select { | ||
| case <-exit: | ||
| return | ||
| default: | ||
| runtime.Gosched() | ||
| } | ||
| } | ||
| }() | ||
| } | ||
| cpu, err := GetCgroupCPU() | ||
| require.NoError(t, err) | ||
| require.NotZero(t, cpu.Period) | ||
| require.Less(t, int64(1), cpu.Period) | ||
| close(exit) | ||
| wg.Wait() | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| // Copyright 2022 PingCAP, Inc. | ||
| // | ||
| // 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 cpu | ||
|
|
||
| import ( | ||
| "runtime" | ||
| "sync" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/stretchr/testify/require" | ||
| ) | ||
|
|
||
| func TestCPUValue(t *testing.T) { | ||
| Observer := NewCPUObserver() | ||
| Observer.Start() | ||
| exit := make(chan struct{}) | ||
| var wg sync.WaitGroup | ||
| for i := 0; i < 10; i++ { | ||
| wg.Add(1) | ||
| go func() { | ||
| defer wg.Done() | ||
| for { | ||
| select { | ||
| case <-exit: | ||
| return | ||
| default: | ||
| runtime.Gosched() | ||
| } | ||
| } | ||
| }() | ||
| } | ||
| time.Sleep(30 * time.Second) | ||
| require.Greater(t, Observer.observe(), 0.0) | ||
| require.Less(t, Observer.observe(), 1.0) | ||
| Observer.Stop() | ||
| close(exit) | ||
| wg.Wait() | ||
| } |