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// SPDX-License-Identifier: GPL-3.0-or-later
package nvidia_smi
import (
"context"
"errors"
"fmt"
"os/exec"
"strings"
"time"
"github.com/netdata/netdata/go/go.d.plugin/logger"
)
func newNvidiaSMIExec(path string, cfg Config, log *logger.Logger) (*nvidiaSMIExec, error) {
return &nvidiaSMIExec{
binPath: path,
timeout: cfg.Timeout.Duration(),
Logger: log,
}, nil
}
type nvidiaSMIExec struct {
binPath string
timeout time.Duration
*logger.Logger
}
func (e *nvidiaSMIExec) queryGPUInfoXML() ([]byte, error) {
ctx, cancel := context.WithTimeout(context.Background(), e.timeout)
defer cancel()
cmd := exec.CommandContext(ctx, e.binPath, "-q", "-x")
e.Debugf("executing '%s'", cmd)
bs, err := cmd.Output()
if err != nil {
return nil, fmt.Errorf("error on '%s': %v", cmd, err)
}
return bs, nil
}
func (e *nvidiaSMIExec) queryGPUInfoCSV(properties []string) ([]byte, error) {
if len(properties) == 0 {
return nil, errors.New("can not query CSV GPU Info without properties")
}
ctx, cancel := context.WithTimeout(context.Background(), e.timeout)
defer cancel()
cmd := exec.CommandContext(ctx, e.binPath, "--query-gpu="+strings.Join(properties, ","), "--format=csv,nounits")
e.Debugf("executing '%s'", cmd)
bs, err := cmd.Output()
if err != nil {
return nil, fmt.Errorf("error on '%s': %v", cmd, err)
}
return bs, nil
}
func (e *nvidiaSMIExec) queryHelpQueryGPU() ([]byte, error) {
ctx, cancel := context.WithTimeout(context.Background(), e.timeout)
defer cancel()
cmd := exec.CommandContext(ctx, e.binPath, "--help-query-gpu")
e.Debugf("executing '%s'", cmd)
bs, err := cmd.Output()
if err != nil {
return nil, fmt.Errorf("error on '%s': %v", cmd, err)
}
return bs, err
}
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