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fix(systeminfo): divide by zero on disk I/O speed calculation

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yusing 2025-05-22 22:41:39 +08:00
parent 3dbab118af
commit fc8592ab45
1 changed files with 3 additions and 3 deletions
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6
internal/metrics/systeminfo/system_info.go
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@ -166,11 +166,11 @@ func (s *SystemInfo) collectDisksInfo(ctx context.Context, lastResult *SystemInf
} }
s.DisksIO = ioCounters s.DisksIO = ioCounters
if lastResult != nil { if lastResult != nil {
interval := float64(time.Now().Unix() - lastResult.Timestamp) interval := time.Now().Unix() - lastResult.Timestamp
for name, disk := range s.DisksIO { for name, disk := range s.DisksIO {
if lastUsage, ok := lastResult.DisksIO[name]; ok { if lastUsage, ok := lastResult.DisksIO[name]; ok {
disk.ReadSpeed = float64(disk.ReadBytes-lastUsage.ReadBytes) / interval disk.ReadSpeed = float64(disk.ReadBytes-lastUsage.ReadBytes) / float64(interval)
disk.WriteSpeed = float64(disk.WriteBytes-lastUsage.WriteBytes) / interval disk.WriteSpeed = float64(disk.WriteBytes-lastUsage.WriteBytes) / float64(interval)
disk.Iops = (disk.ReadCount + disk.WriteCount - lastUsage.ReadCount - lastUsage.WriteCount) / uint64(interval) disk.Iops = (disk.ReadCount + disk.WriteCount - lastUsage.ReadCount - lastUsage.WriteCount) / uint64(interval)
} }
} }