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// SPDX-License-Identifier: GPL-3.0-or-later
package nvidia_smi
import (
_ "embed"
"errors"
"time"
"github.com/netdata/netdata/go/go.d.plugin/agent/module"
"github.com/netdata/netdata/go/go.d.plugin/pkg/web"
)
//go:embed "config_schema.json"
var configSchema string
func init() {
module.Register("nvidia_smi", module.Creator{
JobConfigSchema: configSchema,
Defaults: module.Defaults{
Disabled: true,
UpdateEvery: 10,
},
Create: func() module.Module { return New() },
})
}
func New() *NvidiaSMI {
return &NvidiaSMI{
Config: Config{
Timeout: web.Duration(time.Second * 10),
UseCSVFormat: false,
},
binName: "nvidia-smi",
charts: &module.Charts{},
gpus: make(map[string]bool),
migs: make(map[string]bool),
}
}
type Config struct {
UpdateEvery int `yaml:"update_every" json:"update_every"`
Timeout web.Duration `yaml:"timeout" json:"timeout"`
BinaryPath string `yaml:"binary_path" json:"binary_path"`
UseCSVFormat bool `yaml:"use_csv_format" json:"use_csv_format"`
}
type (
NvidiaSMI struct {
module.Base
Config `yaml:",inline" json:""`
charts *module.Charts
exec nvidiaSMI
binName string
gpuQueryProperties []string
gpus map[string]bool
migs map[string]bool
}
nvidiaSMI interface {
queryGPUInfoXML() ([]byte, error)
queryGPUInfoCSV(properties []string) ([]byte, error)
queryHelpQueryGPU() ([]byte, error)
}
)
func (nv *NvidiaSMI) Configuration() any {
return nv.Config
}
func (nv *NvidiaSMI) Init() error {
if nv.exec == nil {
smi, err := nv.initNvidiaSMIExec()
if err != nil {
nv.Error(err)
return err
}
nv.exec = smi
}
return nil
}
func (nv *NvidiaSMI) Check() error {
mx, err := nv.collect()
if err != nil {
nv.Error(err)
return err
}
if len(mx) == 0 {
return errors.New("no metrics collected")
}
return nil
}
func (nv *NvidiaSMI) Charts() *module.Charts {
return nv.charts
}
func (nv *NvidiaSMI) Collect() map[string]int64 {
mx, err := nv.collect()
if err != nil {
nv.Error(err)
}
if len(mx) == 0 {
return nil
}
return mx
}
func (nv *NvidiaSMI) Cleanup() {}
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