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@ -15,11 +15,11 @@ import (
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"strconv"
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"strings"
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"github.com/shirou/gopsutil/internal/common"
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"github.com/shirou/gopsutil/v3/internal/common"
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"golang.org/x/sys/unix"
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)
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type LSB struct {
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type lsbStruct struct {
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ID string
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Release string
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Codename string
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@ -27,7 +27,11 @@ type LSB struct {
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}
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// from utmp.h
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const USER_PROCESS = 7
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const (
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user_PROCESS = 7
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hostTemperatureScale = 1000.0
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)
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func HostIDWithContext(ctx context.Context) (string, error) {
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sysProductUUID := common.HostSys("class/dmi/id/product_uuid")
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@ -104,7 +108,7 @@ func UsersWithContext(ctx context.Context) ([]UserStat, error) {
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if err != nil {
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continue
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}
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if u.Type != USER_PROCESS {
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if u.Type != user_PROCESS {
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continue
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}
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user := UserStat{
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@ -120,8 +124,8 @@ func UsersWithContext(ctx context.Context) ([]UserStat, error) {
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}
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func getLSB() (*LSB, error) {
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ret := &LSB{}
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func getlsbStruct() (*lsbStruct, error) {
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ret := &lsbStruct{}
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if common.PathExists(common.HostEtc("lsb-release")) {
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contents, err := common.ReadLines(common.HostEtc("lsb-release"))
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if err != nil {
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@ -175,9 +179,9 @@ func getLSB() (*LSB, error) {
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}
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func PlatformInformationWithContext(ctx context.Context) (platform string, family string, version string, err error) {
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lsb, err := getLSB()
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lsb, err := getlsbStruct()
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if err != nil {
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lsb = &LSB{}
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lsb = &lsbStruct{}
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}
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if common.PathExists(common.HostEtc("oracle-release")) {
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@ -366,19 +370,27 @@ func VirtualizationWithContext(ctx context.Context) (string, string, error) {
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}
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func SensorsTemperaturesWithContext(ctx context.Context) ([]TemperatureStat, error) {
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var temperatures []TemperatureStat
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files, err := filepath.Glob(common.HostSys("/class/hwmon/hwmon*/temp*_*"))
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if err != nil {
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var err error
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var files []string
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temperatures := make([]TemperatureStat, 0)
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// Only the temp*_input file provides current temperature
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// value in millidegree Celsius as reported by the temperature to the device:
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// https://www.kernel.org/doc/Documentation/hwmon/sysfs-interface
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if files, err = filepath.Glob(common.HostSys("/class/hwmon/hwmon*/temp*_input")); err != nil {
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return temperatures, err
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}
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if len(files) == 0 {
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// CentOS has an intermediate /device directory:
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// https://github.com/giampaolo/psutil/issues/971
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files, err = filepath.Glob(common.HostSys("/class/hwmon/hwmon*/device/temp*_*"))
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if err != nil {
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if files, err = filepath.Glob(common.HostSys("/class/hwmon/hwmon*/device/temp*_input")); err != nil {
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return temperatures, err
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}
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}
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var warns Warnings
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if len(files) == 0 { // handle distributions without hwmon, like raspbian #391, parse legacy thermal_zone files
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@ -413,6 +425,8 @@ func SensorsTemperaturesWithContext(ctx context.Context) ([]TemperatureStat, err
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return temperatures, warns.Reference()
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}
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temperatures = make([]TemperatureStat, 0, len(files))
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// example directory
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// device/ temp1_crit_alarm temp2_crit_alarm temp3_crit_alarm temp4_crit_alarm temp5_crit_alarm temp6_crit_alarm temp7_crit_alarm
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// name temp1_input temp2_input temp3_input temp4_input temp5_input temp6_input temp7_input
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@ -420,44 +434,81 @@ func SensorsTemperaturesWithContext(ctx context.Context) ([]TemperatureStat, err
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// subsystem/ temp1_max temp2_max temp3_max temp4_max temp5_max temp6_max temp7_max
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// temp1_crit temp2_crit temp3_crit temp4_crit temp5_crit temp6_crit temp7_crit uevent
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for _, file := range files {
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filename := strings.Split(filepath.Base(file), "_")
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if filename[1] == "label" {
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// Do not try to read the temperature of the label file
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continue
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}
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var raw []byte
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var temperature float64
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// Get the base directory location
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directory := filepath.Dir(file)
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// Get the base filename prefix like temp1
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basename := strings.Split(filepath.Base(file), "_")[0]
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// Get the base path like <dir>/temp1
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basepath := filepath.Join(directory, basename)
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// Get the label of the temperature you are reading
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var label string
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c, _ := ioutil.ReadFile(filepath.Join(filepath.Dir(file), filename[0]+"_label"))
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if c != nil {
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//format the label from "Core 0" to "core0_"
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label = fmt.Sprintf("%s_", strings.Join(strings.Split(strings.TrimSpace(strings.ToLower(string(c))), " "), ""))
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label := ""
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if raw, _ = ioutil.ReadFile(basepath + "_label"); len(raw) != 0 {
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// Format the label from "Core 0" to "core_0"
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label = strings.Join(strings.Split(strings.TrimSpace(strings.ToLower(string(raw))), " "), "_")
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}
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// Get the name of the temperature you are reading
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name, err := ioutil.ReadFile(filepath.Join(filepath.Dir(file), "name"))
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if err != nil {
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if raw, err = ioutil.ReadFile(filepath.Join(directory, "name")); err != nil {
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warns.Add(err)
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continue
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}
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name := strings.TrimSpace(string(raw))
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if label != "" {
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name = name + "_" + label
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}
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// Get the temperature reading
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current, err := ioutil.ReadFile(file)
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if err != nil {
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if raw, err = ioutil.ReadFile(file); err != nil {
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warns.Add(err)
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continue
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}
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temperature, err := strconv.ParseFloat(strings.TrimSpace(string(current)), 64)
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if err != nil {
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if temperature, err = strconv.ParseFloat(strings.TrimSpace(string(raw)), 64); err != nil {
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warns.Add(err)
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continue
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}
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tempName := strings.TrimSpace(strings.ToLower(string(strings.Join(filename[1:], ""))))
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// Add discovered temperature sensor to the list
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temperatures = append(temperatures, TemperatureStat{
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SensorKey: fmt.Sprintf("%s_%s%s", strings.TrimSpace(string(name)), label, tempName),
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Temperature: temperature / 1000.0,
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SensorKey: name,
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Temperature: temperature / hostTemperatureScale,
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High: optionalValueReadFromFile(basepath+"_max") / hostTemperatureScale,
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Critical: optionalValueReadFromFile(basepath+"_crit") / hostTemperatureScale,
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})
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}
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return temperatures, warns.Reference()
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}
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func optionalValueReadFromFile(filename string) float64 {
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var raw []byte
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var err error
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var value float64
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// Check if file exists
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if _, err := os.Stat(filename); os.IsNotExist(err) {
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return 0
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}
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if raw, err = ioutil.ReadFile(filename); err != nil {
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return 0
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}
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if value, err = strconv.ParseFloat(strings.TrimSpace(string(raw)), 64); err != nil {
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return 0
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}
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return value
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}
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shirou
3 years ago