Fix cpufreq statistics by converting kHz to Hz

1 files changed, 4 insertions, 3 deletions

diff --git a/collector/cpu_linux.go b/collector/cpu_linux.go
index 39db3bb..01255d7 100644
--- a/collector/cpu_linux.go
+++ b/collector/cpu_linux.go
@@ -104,20 +104,21 @@ func (c *cpuCollector) updateCPUfreq(ch chan<- prometheus.Metric) error {
                 if _, err := os.Stat(filepath.Join(cpu, "cpufreq")); os.IsNotExist(err) {
                         log.Debugf("CPU %q is missing cpufreq", cpu)
                 } else {
+                        // cpufreq values are kHz, multiply by 1000 for hz
                         if value, err = readUintFromFile(filepath.Join(cpu, "cpufreq/scaling_cur_freq")); err != nil {
                                 return err
                         }
-                        ch <- prometheus.MustNewConstMetric(c.cpuFreq, prometheus.GaugeValue, float64(value), cpuname)
+                        ch <- prometheus.MustNewConstMetric(c.cpuFreq, prometheus.GaugeValue, float64(value)*1000.0, cpuname)
 
                         if value, err = readUintFromFile(filepath.Join(cpu, "cpufreq/scaling_min_freq")); err != nil {
                                 return err
                         }
-                        ch <- prometheus.MustNewConstMetric(c.cpuFreqMin, prometheus.GaugeValue, float64(value), cpuname)
+                        ch <- prometheus.MustNewConstMetric(c.cpuFreqMin, prometheus.GaugeValue, float64(value)*1000.0, cpuname)
 
                         if value, err = readUintFromFile(filepath.Join(cpu, "cpufreq/scaling_max_freq")); err != nil {
                                 return err
                         }
-                        ch <- prometheus.MustNewConstMetric(c.cpuFreqMax, prometheus.GaugeValue, float64(value), cpuname)
+                        ch <- prometheus.MustNewConstMetric(c.cpuFreqMax, prometheus.GaugeValue, float64(value)*1000.0, cpuname)
                 }
 
                 if _, err := os.Stat(filepath.Join(cpu, "thermal_throttle")); os.IsNotExist(err) {