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CPU.go
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CPU.go
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package estimate
import (
"fmt"
"strings"
"github.com/carboniferio/carbonifer/internal/estimate/coefficients"
"github.com/carboniferio/carbonifer/internal/providers"
"github.com/carboniferio/carbonifer/internal/providers/gcp"
"github.com/carboniferio/carbonifer/internal/resources"
"github.com/shopspring/decimal"
"github.com/spf13/viper"
)
func estimateWattCPU(resource *resources.ComputeResource) decimal.Decimal {
provider := resource.Identification.Provider
// Get average CPU usage
averageCPUUse := decimal.NewFromFloat(viper.GetFloat64(fmt.Sprintf("provider.%s.avg_cpu_use", provider.String())))
var avgWatts decimal.Decimal
// Average Watts = Min Watts + Avg vCPU Utilization * (Max Watts - Min Watts)
cpuPlatform := resource.Specs.CPUType
if cpuPlatform != "" && resource.Identification.Provider == providers.GCP {
cpuPlatform := gcp.GetCPUWatt(strings.ToLower(cpuPlatform))
avgWatts = cpuPlatform.MinWatts.Add(averageCPUUse.Mul(cpuPlatform.MaxWatts.Sub(cpuPlatform.MinWatts)))
} else {
minWH := coefficients.GetEnergyCoefficients().GetByProvider(provider).CPUMinWh
maxWh := coefficients.GetEnergyCoefficients().GetByProvider(provider).CPUMaxWh
avgWatts = minWH.Add(averageCPUUse.Mul(maxWh.Sub(minWH)))
}
return avgWatts.Mul(decimal.NewFromInt32(resource.Specs.VCPUs))
}