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Merge pull request #117016 from dims/set-GOMAXPROCS-explicitly

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Set GOMAXPROCS explicitly
This commit is contained in:
Kubernetes Prow Robot 2023-04-11 19:18:08 -07:00 committed by GitHub
commit d4fab7e56c
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5 changed files with 49 additions and 0 deletions
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13
hack/lib/golang.sh
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@ -555,6 +555,19 @@ kube::golang::setup_env() {
# This seems to matter to some tools # This seems to matter to some tools
export GO15VENDOREXPERIMENT=1 export GO15VENDOREXPERIMENT=1
# GOMAXPROCS by default does not reflect the number of cpu(s) available
# when running in a container, please see https://github.com/golang/go/issues/33803
if ! command -v ncpu >/dev/null 2>&1; then
# shellcheck disable=SC2164
pushd "${KUBE_ROOT}/hack/tools" >/dev/null
GO111MODULE=on go install ./ncpu
# shellcheck disable=SC2164
popd >/dev/null
fi
GOMAXPROCS=${GOMAXPROCS:-$(ncpu)}
kube::log::status "Setting GOMAXPROCS: ${GOMAXPROCS}"
} }
# This will take binaries from $GOPATH/bin and copy them to the appropriate # This will take binaries from $GOPATH/bin and copy them to the appropriate

1
hack/tools/go.mod
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@ -9,6 +9,7 @@ require (
github.com/golang/mock v1.6.0 github.com/golang/mock v1.6.0
github.com/golangci/golangci-lint v1.51.2 github.com/golangci/golangci-lint v1.51.2
github.com/google/go-flow-levee v0.1.5 github.com/google/go-flow-levee v0.1.5
go.uber.org/automaxprocs v1.5.2
gotest.tools/gotestsum v1.6.4 gotest.tools/gotestsum v1.6.4
honnef.co/go/tools v0.4.2 honnef.co/go/tools v0.4.2
sigs.k8s.io/logtools v0.4.1 sigs.k8s.io/logtools v0.4.1

3
hack/tools/go.sum
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@ -542,6 +542,7 @@ github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZN
github.com/polyfloyd/go-errorlint v1.1.0 h1:VKoEFg5yxSgJ2yFPVhxW7oGz+f8/OVcuMeNvcPIi6Eg= github.com/polyfloyd/go-errorlint v1.1.0 h1:VKoEFg5yxSgJ2yFPVhxW7oGz+f8/OVcuMeNvcPIi6Eg=
github.com/polyfloyd/go-errorlint v1.1.0/go.mod h1:Uss7Bc/izYG0leCMRx3WVlrpqWedSZk7V/FUQW6VJ6U= github.com/polyfloyd/go-errorlint v1.1.0/go.mod h1:Uss7Bc/izYG0leCMRx3WVlrpqWedSZk7V/FUQW6VJ6U=
github.com/posener/complete v1.1.1/go.mod h1:em0nMJCgc9GFtwrmVmEMR/ZL6WyhyjMBndrE9hABlRI= github.com/posener/complete v1.1.1/go.mod h1:em0nMJCgc9GFtwrmVmEMR/ZL6WyhyjMBndrE9hABlRI=
github.com/prashantv/gostub v1.1.0 h1:BTyx3RfQjRHnUWaGF9oQos79AlQ5k8WNktv7VGvVH4g=
github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw= github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
github.com/prometheus/client_golang v0.9.3/go.mod h1:/TN21ttK/J9q6uSwhBd54HahCDft0ttaMvbicHlPoso= github.com/prometheus/client_golang v0.9.3/go.mod h1:/TN21ttK/J9q6uSwhBd54HahCDft0ttaMvbicHlPoso=
github.com/prometheus/client_golang v1.0.0/go.mod h1:db9x61etRT2tGnBNRi70OPL5FsnadC4Ky3P0J6CfImo= github.com/prometheus/client_golang v1.0.0/go.mod h1:db9x61etRT2tGnBNRi70OPL5FsnadC4Ky3P0J6CfImo=
@ -718,6 +719,8 @@ go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk=
go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE= go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
go.uber.org/atomic v1.7.0 h1:ADUqmZGgLDDfbSL9ZmPxKTybcoEYHgpYfELNoN+7hsw= go.uber.org/atomic v1.7.0 h1:ADUqmZGgLDDfbSL9ZmPxKTybcoEYHgpYfELNoN+7hsw=
go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc= go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
go.uber.org/automaxprocs v1.5.2 h1:2LxUOGiR3O6tw8ui5sZa2LAaHnsviZdVOUZw4fvbnME=
go.uber.org/automaxprocs v1.5.2/go.mod h1:eRbA25aqJrxAbsLO0xy5jVwPt7FQnRgjW+efnwa1WM0=
go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0= go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
go.uber.org/multierr v1.6.0 h1:y6IPFStTAIT5Ytl7/XYmHvzXQ7S3g/IeZW9hyZ5thw4= go.uber.org/multierr v1.6.0 h1:y6IPFStTAIT5Ytl7/XYmHvzXQ7S3g/IeZW9hyZ5thw4=
go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU= go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=

29
hack/tools/ncpu/main.go Normal file
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@ -0,0 +1,29 @@
/*
Copyright 2023 The Kubernetes Authors.
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 main
import (
"fmt"
"runtime"
"go.uber.org/automaxprocs/maxprocs"
)
func main() {
maxprocs.Set()
fmt.Print(runtime.GOMAXPROCS(0))
}

3
hack/tools/tools.go
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@ -36,4 +36,7 @@ import (
// mockgen // mockgen
_ "github.com/golang/mock/mockgen" _ "github.com/golang/mock/mockgen"
// tools like cpu
_ "go.uber.org/automaxprocs"
) )