56 lines
1.7 KiB
Go
56 lines
1.7 KiB
Go
// Copyright 2022 PingCAP, Inc.
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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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//go:build !linux
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package cgroup
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import (
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"runtime"
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"github.com/pingcap/errors"
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"github.com/pingcap/failpoint"
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)
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// GetCgroupCPU returns the CPU usage and quota for the current cgroup.
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func GetCgroupCPU() (CPUUsage, error) {
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var cpuUsage CPUUsage
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failpoint.Inject("GetCgroupCPUErr", func(val failpoint.Value) {
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//nolint:forcetypeassert
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if val.(bool) {
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failpoint.Return(cpuUsage, errors.Errorf("mockAddBatchDDLJobsErr"))
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}
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})
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cpuUsage.NumCPU = runtime.NumCPU()
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return cpuUsage, nil
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}
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// GetCPUPeriodAndQuota returns CPU period and quota time of cgroup.
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// This is Linux-specific and not supported in the current OS.
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func GetCPUPeriodAndQuota() (period int64, quota int64, err error) {
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return -1, -1, nil
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}
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// CPUQuotaToGOMAXPROCS converts the CPU quota applied to the calling process
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// to a valid GOMAXPROCS value. This is Linux-specific and not supported in the
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// current OS.
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func CPUQuotaToGOMAXPROCS(_ int) (int, CPUQuotaStatus, error) {
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return -1, CPUQuotaUndefined, nil
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}
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// InContainer returns true if the process is running in a container.
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func InContainer() bool {
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return false
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}
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