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fix(input.intel_pmt): Handle telem devices without numa_node attribute (#13977)

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Ben Allen 2023-09-26 05:03:39 -04:00 committed by GitHub
parent 8feba021ae
commit 9a95ef10cd
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1 changed files with 8 additions and 6 deletions
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14
plugins/inputs/intel_pmt/intel_pmt.go
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@ -177,19 +177,21 @@ func (p *IntelPMT) explorePmtInSysfs() error {
continue continue
} }
numaNodePath := filepath.Join(telemDirPath, "device", "numa_node") telemDevicePath := filepath.Join(telemDirPath, "device")
numaNodeSymlink, err := filepath.EvalSymlinks(numaNodePath) telemDeviceSymlink, err := filepath.EvalSymlinks(telemDevicePath)
if err != nil { if err != nil {
return fmt.Errorf("error while evaluating symlink %q: %w", numaNodePath, err) return fmt.Errorf("error while evaluating symlink %q: %w", telemDeviceSymlink, err)
} }
numaNode, err := os.ReadFile(numaNodeSymlink) numaNodePath := filepath.Join(telemDeviceSymlink, "..", "numa_node")
numaNode, err := os.ReadFile(numaNodePath)
if err != nil { if err != nil {
return fmt.Errorf("error while reading symlink %q: %w", numaNodeSymlink, err) return fmt.Errorf("error while reading numa_node file %q: %w", numaNodePath, err)
} }
numaNodeString := strings.TrimSpace(string(numaNode)) numaNodeString := strings.TrimSpace(string(numaNode))
if numaNodeString == "" { if numaNodeString == "" {
return fmt.Errorf("numa_node file %q is empty", numaNodeSymlink) return fmt.Errorf("numa_node file %q is empty", numaNodePath)
} }
fi := fileInfo{ fi := fileInfo{