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nvidiasmijson.go
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/
nvidiasmijson.go
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package nvidiasmijson
import (
"encoding/json"
"encoding/xml"
"fmt"
"os"
"os/exec"
"runtime"
)
func XmlToObject(input []byte) *NvidiaSmiLog {
var data NvidiaSmiLog
if err := xml.Unmarshal(input, &data); nil != err {
fmt.Fprintln(os.Stderr, "Error unmarshalling from XML:", err)
return nil
}
return &data
}
func XmlToJson(input []byte) string {
data := XmlToObject(input)
output, err := json.MarshalIndent(data, "", " ")
if nil != err {
fmt.Fprintln(os.Stderr, "Error marshalling to JSON:", err)
return ""
}
return string(output)
}
func HasNvidiaSmi() bool {
_, err := exec.LookPath("nvidia-smi")
return err == nil
}
func GetNvidiaSmiLog() *NvidiaSmiLog {
if !HasNvidiaSmi() {
return nil
}
return XmlToObject(RunNvidiaSmi())
}
func RunNvidiaSmi() []byte {
cmd := "nvidia-smi"
if runtime.GOOS == "windows" {
cmd += ".exe"
}
out, err := exec.Command(cmd, "-q", "-x").Output()
if err != nil {
fmt.Fprintln(os.Stderr, "Error running nvidia-smi:", err)
return nil
}
return out
}