stats: Fix formatting.
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@ -98,11 +98,11 @@ func (c *statCollector) Update(ch chan<- prometheus.Metric) (err error) {
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// Only some of these may be present, depending on kernel version.
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cpuFields := []string{"user", "nice", "system", "idle", "iowait", "irq", "softirq", "steal", "guest"}
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// OpenVZ guests lack the "guest" CPU field, which needs to be ignored.
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expectedFieldNum := len(cpuFields)+1
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expectedFieldNum := len(cpuFields) + 1
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if expectedFieldNum > len(parts) {
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expectedFieldNum = len(parts)
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}
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for i, v := range parts[1 : expectedFieldNum] {
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for i, v := range parts[1:expectedFieldNum] {
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value, err := strconv.ParseFloat(v, 64)
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if err != nil {
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return err
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