67 lines
1.2 KiB
Go
67 lines
1.2 KiB
Go
package stat
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// Modified from https://github.com/influxdata/telegraf/blob/master/plugins/inputs/amd_rocm_smi/amd_rocm_smi.go
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// Original License: MIT
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import (
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"encoding/json"
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"errors"
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"os"
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"os/exec"
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"strconv"
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)
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type ROCmSMI struct {
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BinPath string
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}
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func (rsmi *ROCmSMI) Gather() ([]float64, error) {
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data := rsmi.pollROCmSMI()
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return gatherROCmSMI(data)
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}
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func (rsmi *ROCmSMI) Start() error {
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if _, err := os.Stat(rsmi.BinPath); os.IsNotExist(err) {
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binPath, err := exec.LookPath("rocm-smi")
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if err != nil {
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return errors.New("Didn't find the adequate tool to query GPU utilization")
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}
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rsmi.BinPath = binPath
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}
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return nil
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}
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func (rsmi *ROCmSMI) pollROCmSMI() []byte {
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cmd := exec.Command(rsmi.BinPath,
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"-u",
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"--json",
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)
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gs, err := cmd.CombinedOutput()
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if err != nil {
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return nil
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}
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return gs
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}
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func gatherROCmSMI(ret []byte) ([]float64, error) {
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var gpus map[string]GPU
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var percentage []float64
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err := json.Unmarshal(ret, &gpus)
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if err != nil {
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return nil, err
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}
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for _, gpu := range gpus {
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gp, _ := strconv.ParseFloat(gpu.GpuUsePercentage, 64)
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percentage = append(percentage, gp)
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}
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return percentage, nil
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}
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type GPU struct {
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GpuUsePercentage string `json:"GPU use (%)"`
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}
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