46 lines
780 B
Go
46 lines
780 B
Go
package collectors
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import (
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"bufio"
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"log"
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"os"
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"strconv"
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"strings"
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)
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func strToFloat32(input string) (float32) {
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f64, err := strconv.ParseFloat(input, 32)
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if err != nil {
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log.Fatal(err)
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}
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f32 := float32(f64)
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return f32
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}
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func cpuLoad() (load1, load5, load15 float32) {
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const filePath string = "/proc/loadavg"
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var firstLine string
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file, err := os.Open(filePath)
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if err != nil {
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log.Fatal(err)
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}
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defer file.Close()
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scanner := bufio.NewScanner(file)
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if scanner.Scan() {
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firstLine = scanner.Text()
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}
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if err := scanner.Err(); err != nil {
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log.Fatal(err)
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}
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loadAverages := strings.Fields(firstLine)
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load1 = strToFloat32(loadAverages[0])
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load5 = strToFloat32(loadAverages[1])
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load15 = strToFloat32(loadAverages[2])
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return load1, load5, load15
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}
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