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Merge pull request #52990 from intelsdi-x/cm_htupdate

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Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Improve HT detection

**What this PR does / why we need it**:
Fix Cpu Manager e2e node tests that fail due to hard-coded `Thread(s) per core` char position.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #52988
This commit is contained in:
Kubernetes Submit Queue 2017-09-26 22:56:43 -07:00 committed by GitHub
commit 49810fad04
1 changed files with 9 additions and 5 deletions
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14
test/e2e_node/cpu_manager_test.go
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@ -19,6 +19,8 @@ package e2e_node
import (
"fmt"
"os/exec"
"strconv"
"strings"
"time"
"k8s.io/api/core/v1"
@ -115,11 +117,13 @@ func waitForContainerRemoval(ctnPartName string) {
}
func isHTEnabled() bool {
err := exec.Command("/bin/sh", "-c", "if [[ $(lscpu | grep \"Thread(s) per core:\" | cut -c24) != \"2\" ]]; then exit 1; fi").Run()
if err != nil {
return false
}
return true
outData, err := exec.Command("/bin/sh", "-c", "lscpu | grep \"Thread(s) per core:\" | cut -d \":\" -f 2").Output()
framework.ExpectNoError(err)
threadsPerCore, err := strconv.Atoi(strings.TrimSpace(string(outData)))
framework.ExpectNoError(err)
return threadsPerCore > 1
}
func getCPUSiblingList(cpuRes int64) string {