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Merge pull request #571 from jschintag/cstate-fix

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cstate/pstate: Skip check on non intel arches
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Kubernetes Prow Robot 2021-08-19 07:43:24 -07:00 • committed by GitHub
commit a0a8304958
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4 changed files with 48 additions and 7 deletions
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0
source/cpu/cstate.go → source/cpu/cstate_amd64.go
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24
source/cpu/cstate_stub.go Normal file
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@ -0,0 +1,24 @@
// +build !amd64
/*
Copyright 2021 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 cpu
// Discover if c-states are enabled
func detectCstate() (bool, bool, error) {
return false, false, nil
}

7
source/cpu/pstate.go → source/cpu/pstate_amd64.go
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@ -21,7 +21,6 @@ import (
"io/ioutil"
"os"
"path/filepath"
"runtime"
"strings"
"k8s.io/klog/v2"
@ -31,12 +30,6 @@ import (
// Discover p-state related features such as turbo boost.
func detectPstate() (map[string]string, error) {
// On other platforms, the frequency boost mechanism is software-based.
// So skip pstate detection on other architectures.
if runtime.GOARCH != "amd64" && runtime.GOARCH != "386" {
return nil, nil
}
// Check that sysfs is available
sysfsBase := source.SysfsDir.Path("devices/system/cpu")
if _, err := os.Stat(sysfsBase); err != nil {

24
source/cpu/pstate_stub.go Normal file
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@ -0,0 +1,24 @@
// +build !amd64
/*
Copyright 2017 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 cpu
// Discover p-state related features such as turbo boost.
func detectPstate() (map[string]string, error) {
return nil, nil
}