diff options
Diffstat (limited to 'vendor/go.uber.org/automaxprocs/internal/runtime/cpu_quota_linux.go')
-rw-r--r-- | vendor/go.uber.org/automaxprocs/internal/runtime/cpu_quota_linux.go | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/vendor/go.uber.org/automaxprocs/internal/runtime/cpu_quota_linux.go b/vendor/go.uber.org/automaxprocs/internal/runtime/cpu_quota_linux.go deleted file mode 100644 index f9057fd27..000000000 --- a/vendor/go.uber.org/automaxprocs/internal/runtime/cpu_quota_linux.go +++ /dev/null @@ -1,75 +0,0 @@ -// Copyright (c) 2017 Uber Technologies, Inc. -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in -// all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -// THE SOFTWARE. - -//go:build linux -// +build linux - -package runtime - -import ( - "errors" - - cg "go.uber.org/automaxprocs/internal/cgroups" -) - -// CPUQuotaToGOMAXPROCS converts the CPU quota applied to the calling process -// to a valid GOMAXPROCS value. The quota is converted from float to int using round. -// If round == nil, DefaultRoundFunc is used. -func CPUQuotaToGOMAXPROCS(minValue int, round func(v float64) int) (int, CPUQuotaStatus, error) { - if round == nil { - round = DefaultRoundFunc - } - cgroups, err := _newQueryer() - if err != nil { - return -1, CPUQuotaUndefined, err - } - - quota, defined, err := cgroups.CPUQuota() - if !defined || err != nil { - return -1, CPUQuotaUndefined, err - } - - maxProcs := round(quota) - if minValue > 0 && maxProcs < minValue { - return minValue, CPUQuotaMinUsed, nil - } - return maxProcs, CPUQuotaUsed, nil -} - -type queryer interface { - CPUQuota() (float64, bool, error) -} - -var ( - _newCgroups2 = cg.NewCGroups2ForCurrentProcess - _newCgroups = cg.NewCGroupsForCurrentProcess - _newQueryer = newQueryer -) - -func newQueryer() (queryer, error) { - cgroups, err := _newCgroups2() - if err == nil { - return cgroups, nil - } - if errors.Is(err, cg.ErrNotV2) { - return _newCgroups() - } - return nil, err -} |