프로세서 모델 리팩토링
This commit is contained in:
parent
50957705cb
commit
f681f3dd60
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@ -122,3 +122,4 @@ $RECYCLE.BIN/
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build/
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vendor/
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cpu_ctrl
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@ -0,0 +1,14 @@
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package daemon
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import "github.com/coreos/go-systemd/daemon"
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const (
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DaemonStarted = notifyType("READY=1")
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DaemonStopping = notifyType("STOPPING=1")
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)
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type notifyType string
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func NotifyDaemon(status notifyType) {
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daemon.SdNotify(false, string(status))
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}
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@ -0,0 +1,109 @@
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package logger
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import (
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"io"
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"os"
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"path"
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"github.com/sirupsen/logrus"
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"github.com/x-cray/logrus-prefixed-formatter"
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"gopkg.in/natefinch/lumberjack.v2"
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)
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var (
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logger = logrus.StandardLogger()
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rotaters []*lumberjack.Logger
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logDir string
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formatter = prefixed.TextFormatter{}
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)
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type Config struct {
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FileName string
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MaxSizeMb int
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MaxBackup int
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MaxDay int
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}
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type Logger interface {
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Debugf(format string, args ...interface{})
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Infof(format string, args ...interface{})
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Printf(format string, args ...interface{})
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Warnf(format string, args ...interface{})
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Warningf(format string, args ...interface{})
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Errorf(format string, args ...interface{})
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Fatalf(format string, args ...interface{})
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Panicf(format string, args ...interface{})
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Debug(args ...interface{})
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Info(args ...interface{})
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Print(args ...interface{})
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Warn(args ...interface{})
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Warning(args ...interface{})
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Error(args ...interface{})
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Fatal(args ...interface{})
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Panic(args ...interface{})
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Debugln(args ...interface{})
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Infoln(args ...interface{})
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Println(args ...interface{})
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Warnln(args ...interface{})
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Warningln(args ...interface{})
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Errorln(args ...interface{})
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Fatalln(args ...interface{})
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Panicln(args ...interface{})
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}
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func init() {
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logger.Formatter = &formatter
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}
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func LoggerIsStd() bool {
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return !formatter.DisableColors
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}
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func InitLogger(verbose bool, logDirArg string, config *Config) {
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logDir = logDirArg
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colorSupport, writer := NewLogWriter(config)
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formatter.DisableColors = !colorSupport
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logger.Out = writer
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if verbose {
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logger.Level = logrus.DebugLevel
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} else {
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logger.Level = logrus.InfoLevel
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}
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}
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func NewLogger(prefix string) Logger {
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return logrus.NewEntry(logger).WithField("prefix", prefix)
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}
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func NewLogWriter(config *Config) (bool, io.Writer) {
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switch config.FileName {
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case "Stdout":
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return true, os.Stdout
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case "Stderr":
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return true, os.Stderr
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default:
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logpath := config.FileName
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if logDir != "" {
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logpath = path.Join(logDir, config.FileName)
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}
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logger.Info(" Attention!! log writes to ", config.FileName)
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rotater := &lumberjack.Logger{
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Filename: logpath,
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MaxSize: config.MaxSizeMb, // megabytes
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MaxBackups: config.MaxBackup,
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MaxAge: config.MaxDay, //days
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LocalTime: true,
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Compress: true,
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}
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rotaters = append(rotaters, rotater)
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return false, rotater
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}
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}
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func RotateLogger() {
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if len(rotaters) == 0 {
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return
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}
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logger.Info("rotating logger")
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for _, rotater := range rotaters {
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rotater.Rotate()
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}
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logger.Info("rotated")
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}
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241
main.go
241
main.go
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@ -1,228 +1,89 @@
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package main
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import (
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"context"
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"errors"
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"fmt"
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"io/ioutil"
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"os"
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"os/exec"
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"os/signal"
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"path"
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"path/filepath"
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"strconv"
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"strings"
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"sync"
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"runtime"
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"syscall"
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"time"
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"amuz.es/src/infra/cpu_ctrl/pid"
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"github.com/coreos/go-systemd/daemon"
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"github.com/shirou/gopsutil/cpu"
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)
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const (
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auto = 0x0
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min = 0x04
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max = 0x64
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"amuz.es/src/infra/cpu_ctrl/daemon"
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"amuz.es/src/infra/cpu_ctrl/logger"
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"amuz.es/src/infra/cpu_ctrl/processor"
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"amuz.es/src/infra/cpu_ctrl/util"
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)
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var (
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prefix = [...]int{0x3a, 0x01}
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suffix = [...]int{auto, auto, auto, auto, auto, auto}
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log = logger.NewLogger("cpu_ctrl")
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)
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type notifyType string
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const (
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DaemonStarted = notifyType("READY=1")
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DaemonStopping = notifyType("STOPPING=1")
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)
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func NotifyDaemon(status notifyType) {
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daemon.SdNotify(false, string(status))
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func init() {
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logger.InitLogger(true, "", &logger.Config{FileName: "Stderr"})
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setMaxProcs()
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}
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func getProcessorCount() int {
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var maxcpu int
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stat, err := cpu.Info()
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if err != nil {
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panic(err)
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}
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for _, info := range stat {
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physicalId, err := strconv.Atoi(info.PhysicalID)
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if err != nil {
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panic(err)
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} else if maxcpu < physicalId {
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maxcpu = physicalId
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}
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}
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return maxcpu + 1
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}
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func setMaxProcs() {
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// TODO(vmarmol): Consider limiting if we have a CPU mask in effect.
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// Allow as many threads as we have cores unless the user specified a value.
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var numProcs int
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// if *maxProcs < 1 {
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numProcs = runtime.NumCPU()
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// } else {
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// numProcs = *maxProcs
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// }
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runtime.GOMAXPROCS(numProcs)
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type Processor struct {
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Id int
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TempeturePath string
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}
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type TempetureChange struct {
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Id int
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Tempeture float64
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}
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func getProcessorInfo(processorId int) (*Processor, error) {
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if matches, err := filepath.Glob(fmt.Sprintf("/sys/devices/platform/coretemp.%d/hwmon/hwmon?", processorId)); err != nil {
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return nil, err
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} else if matches == nil {
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return nil, errors.New("hwmon not found!")
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} else {
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return &Processor{
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Id: processorId,
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TempeturePath: matches[0],
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}, nil
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}
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}
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func ReadTempeture(path string, senseChan chan<- float64, errorChan chan<- error, waiter *sync.WaitGroup) {
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defer waiter.Done()
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if dat, err := ioutil.ReadFile(path); err != nil {
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errorChan <- err
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} else if tempetureSense, err := strconv.Atoi(strings.TrimSpace(string(dat))); err != nil {
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errorChan <- err
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} else {
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senseChan <- float64(tempetureSense) / 1000.0
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}
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}
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func CpuTempetureMonitoring(info *Processor, sampleDuration time.Duration, notifier chan<- TempetureChange, errorChan chan<- error, ctx context.Context, waiter *sync.WaitGroup) {
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defer waiter.Done()
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tempeturePathGlob := path.Join(info.TempeturePath, "temp?_input")
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ticker := time.Tick(sampleDuration)
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for {
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select {
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case <-ticker:
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matches, err := filepath.Glob(tempeturePathGlob)
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if err != nil {
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panic(err)
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}
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tempetureReadWaiter := &sync.WaitGroup{}
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queue := make(chan float64, len(matches))
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// exclude package temp
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for _, path := range matches[1:] {
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tempetureReadWaiter.Add(1)
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go ReadTempeture(path, queue, errorChan, tempetureReadWaiter)
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}
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tempetureReadWaiter.Wait()
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close(queue)
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var tempeture float64
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for sense := range queue {
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if tempeture < sense {
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tempeture = sense
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}
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}
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notifier <- TempetureChange{
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Id: info.Id,
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Tempeture: tempeture,
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}
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case <-ctx.Done():
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return
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}
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}
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}
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func CpuTempetureScraper(processorCount int, notifier <-chan TempetureChange, errorChan chan<- error, ctx context.Context, waiter *sync.WaitGroup) {
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defer waiter.Done()
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var (
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P, I, D = 1.5, 0.4, 2.0
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SetPoint = 38.0
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SampleTime = time.Second
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maxNoob, minNoob = 0x64, 0x4
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WindupGuard = float64(maxNoob - minNoob)
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)
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noobs := make([]int, processorCount)
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controllers := make([]pid.Controller, 0, processorCount)
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for i := 0; i < processorCount; i++ {
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controller := pid.New(P, I, D)
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controller.SetSetPoint(SetPoint)
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controller.SetSampleTime(SampleTime)
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controller.SetWindupGuard(WindupGuard)
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controllers = append(controllers, controller)
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}
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for {
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select {
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case change := <-notifier:
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controller := controllers[change.Id]
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adj_noob := int(-controller.Update(change.Tempeture))
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if adj_noob < minNoob {
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adj_noob = minNoob
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} else if adj_noob > maxNoob {
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adj_noob = maxNoob
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}
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if noobs[change.Id] == adj_noob {
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continue
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}
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noobs[change.Id] = adj_noob
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fmt.Printf("cpu %d fan 0x%x\n", change.Id, adj_noob)
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args := make([]string, 0)
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args = append(args,
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"raw",
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"0x3a", "0x01",
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)
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for _, item := range noobs {
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args = append(args, fmt.Sprintf("0x%x", item))
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}
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args = append(args,
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"0x0", "0x0", "0x0", "0x0", "0x0", "0x0",
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)
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cmd := exec.Command("ipmitool", args...)
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if err := cmd.Run(); err != nil {
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errorChan <- err
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return
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}
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case <-ctx.Done():
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return
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}
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// Check if the setting was successful.
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actualNumProcs := runtime.GOMAXPROCS(0)
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if actualNumProcs != numProcs {
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log.Printf("Specified max procs of %v but using %v\n", numProcs, actualNumProcs)
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}
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}
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func main() {
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var (
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processorCount = getProcessorCount()
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ctx, canceled = context.WithCancel(context.Background())
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waiter = &sync.WaitGroup{}
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processorCount = processor.GetProcessorCount()
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processors []processor.Processor
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exitSignal = make(chan os.Signal, 1)
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errorChan = make(chan error, 1)
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tempetureChange = make(chan TempetureChange)
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handler = util.NewHandler()
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sampleDuration = time.Second
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)
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log.Info("Cpu fan controller v0.2")
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if processorCount == 0 {
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errorChan <- errors.New("cpu not found!")
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handler.NotifyError(errors.New("cpu not found!"))
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}
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processors = make([]processor.Processor, 0, processorCount)
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for i := 0; i < processorCount; i++ {
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if info, err := getProcessorInfo(i); err != nil {
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errorChan <- err
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if info, err := processor.NewProcessorInfo(handler, i, sampleDuration,
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1.5, 0.4, 2.0, 38.0, 0x64, 0x4,
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);
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err != nil {
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handler.NotifyError(err)
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} else {
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waiter.Add(1)
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go CpuTempetureMonitoring(info, sampleDuration, tempetureChange, errorChan, ctx, waiter)
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processors = append(processors, info)
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handler.IncreaseWait()
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go info.StartMonitoring()
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}
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}
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waiter.Add(1)
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go CpuTempetureScraper(processorCount, tempetureChange, errorChan, ctx, waiter)
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defer waiter.Wait()
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handler.IncreaseWait()
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go TempetureControl(processors, tempetureChange, errorChan, ctx, waiter)
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signal.Notify(exitSignal, syscall.SIGINT, syscall.SIGTERM, syscall.SIGHUP)
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NotifyDaemon(DaemonStarted)
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defer NotifyDaemon(DaemonStopping)
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daemon.NotifyDaemon(daemon.DaemonStarted)
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defer daemon.NotifyDaemon(daemon.DaemonStopping)
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defer close(exitSignal)
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defer handler.GracefullWait()
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select {
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case <-ctx.Done():
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fmt.Println("Service request to close this application")
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case err := <-errorChan:
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canceled()
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fmt.Printf("error! %s\n", err.Error())
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case <-handler.Done():
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log.Infoln("Service request to close this application")
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case err := <-handler.Error():
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log.Errorf("%s", err)
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case sysSignal := <-exitSignal:
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canceled()
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fmt.Printf("SYSCALL! %s\n", sysSignal.String())
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log.Warnf("SYSCALL! %s", sysSignal.String())
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}
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}
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@ -0,0 +1,193 @@
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package processor
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import (
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"github.com/shirou/gopsutil/cpu"
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"strconv"
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"path/filepath"
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"fmt"
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"errors"
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"time"
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"sync"
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"path"
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"amuz.es/src/infra/cpu_ctrl/logger"
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"io/ioutil"
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"strings"
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"amuz.es/src/infra/cpu_ctrl/pid"
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"amuz.es/src/infra/cpu_ctrl/util"
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)
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type processor struct {
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handler util.Handler
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id int
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tempeturePath string
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tempeture float64
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tempetureChanged chan float64
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sampleDuration time.Duration
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fanController pid.Controller
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fanSpeed int
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fanMaxSpeed int
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fanMinSpeed int
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fanSpeedChanged chan int
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}
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type Processor interface {
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Id() int
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Tempeture() float64
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FanSpeed() int
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FanMaxSpeed() int
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FanMinSpeed() int
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StartMonitoring()
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TempetureNotifier() <-chan float64
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FanSpeedNotifier() <-chan int
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getMaxTempetureOnProcessor(string) (float64)
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readTempeture(string, chan<- float64, *sync.WaitGroup)
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normalizeFanspeed(float64) (int)
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}
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var (
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log = logger.NewLogger("processor")
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)
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func GetProcessorCount() (maxcpu int) {
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stat, err := cpu.Info()
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if err != nil {
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panic(err)
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}
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for _, info := range stat {
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physicalId, err := strconv.Atoi(info.PhysicalID)
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if err != nil {
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return
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} else if maxcpu < physicalId {
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maxcpu = physicalId
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}
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}
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maxcpu += 1
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return
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}
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func NewProcessorInfo(
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handler util.Handler,
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processorId int,
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sampleDuration time.Duration,
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P, I, D,
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setPoint float64,
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maxNoob, minNoob int,
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) (Processor, error) {
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|
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if matches, err := filepath.Glob(fmt.Sprintf("/sys/devices/platform/coretemp.%d/hwmon/hwmon?", processorId)); err != nil {
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return nil, err
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} else if matches == nil {
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return nil, errors.New("hwmon not found!")
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} else {
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windupGuard := float64(maxNoob - minNoob)
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controller := pid.New(P, I, D)
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controller.SetSetPoint(setPoint)
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controller.SetSampleTime(sampleDuration)
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controller.SetWindupGuard(windupGuard)
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return &processor{
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handler: handler,
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id: processorId,
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tempeturePath: matches[0],
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tempetureChanged: make(chan float64),
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sampleDuration: sampleDuration,
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fanController: controller,
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fanSpeedChanged: make(chan int),
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fanMaxSpeed: maxNoob,
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fanMinSpeed: minNoob,
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}, nil
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}
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}
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func (p *processor) Id() int { return p.id }
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func (p *processor) Tempeture() float64 { return p.tempeture }
|
||||
func (p *processor) FanSpeed() int { return p.fanSpeed }
|
||||
func (p *processor) FanMaxSpeed() int { return p.fanMaxSpeed }
|
||||
func (p *processor) FanMinSpeed() int { return p.fanMinSpeed }
|
||||
func (p *processor) TempetureNotifier() <-chan float64 { return p.tempetureChanged }
|
||||
func (p *processor) FanSpeedNotifier() <-chan int { return p.fanSpeedChanged }
|
||||
|
||||
func (p *processor) StartMonitoring() {
|
||||
defer p.handler.DecreaseWait()
|
||||
defer func() {
|
||||
if err := recover(); err != nil {
|
||||
p.handler.NotifyError(err.(error))
|
||||
}
|
||||
}()
|
||||
|
||||
defer close(p.tempetureChanged)
|
||||
defer close(p.fanSpeedChanged)
|
||||
|
||||
tempeturePathGlob := path.Join(p.tempeturePath, "temp?_input")
|
||||
ticker := time.Tick(p.sampleDuration)
|
||||
log.Infof("Processor %d monitor started with %s", p.id, p.sampleDuration)
|
||||
|
||||
for {
|
||||
select {
|
||||
case <-ticker:
|
||||
var (
|
||||
highestTemp float64
|
||||
fanspeed int
|
||||
)
|
||||
|
||||
highestTemp = p.getMaxTempetureOnProcessor(tempeturePathGlob)
|
||||
if highestTemp != p.tempeture {
|
||||
p.tempetureChanged <- highestTemp
|
||||
p.tempeture = highestTemp
|
||||
}
|
||||
|
||||
fanspeed = p.normalizeFanspeed(p.fanController.Update(highestTemp))
|
||||
if fanspeed != p.fanSpeed {
|
||||
p.fanSpeedChanged <- fanspeed
|
||||
p.fanSpeed = fanspeed
|
||||
}
|
||||
|
||||
case <-p.handler.Done():
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (p *processor) getMaxTempetureOnProcessor(tempeturePathGlob string) (maxTempeture float64) {
|
||||
matches, err := filepath.Glob(tempeturePathGlob)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
|
||||
tempetureReadWaiter := &sync.WaitGroup{}
|
||||
queue := make(chan float64, len(matches))
|
||||
defer close(queue)
|
||||
|
||||
// exclude package temp
|
||||
for _, tempetureFilePath := range matches[1:] {
|
||||
tempetureReadWaiter.Add(1)
|
||||
go p.readTempeture(tempetureFilePath, queue, tempetureReadWaiter)
|
||||
}
|
||||
tempetureReadWaiter.Wait()
|
||||
for sense := range queue {
|
||||
if maxTempeture < sense {
|
||||
maxTempeture = sense
|
||||
}
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func (p *processor) readTempeture(path string, senseChan chan<- float64, waiter *sync.WaitGroup) {
|
||||
defer waiter.Done()
|
||||
if dat, err := ioutil.ReadFile(path); err != nil {
|
||||
p.handler.NotifyError(err)
|
||||
} else if tempetureSense, err := strconv.Atoi(strings.TrimSpace(string(dat))); err != nil {
|
||||
p.handler.NotifyError(err)
|
||||
} else {
|
||||
senseChan <- float64(tempetureSense) / 1000.0
|
||||
}
|
||||
}
|
||||
|
||||
func (p *processor) normalizeFanspeed(response float64) (adjusted int) {
|
||||
adjusted = int(-response)
|
||||
if adjusted < p.fanMinSpeed {
|
||||
adjusted = p.fanMinSpeed
|
||||
} else if adjusted > p.fanMaxSpeed {
|
||||
adjusted = p.fanMaxSpeed
|
||||
}
|
||||
return
|
||||
}
|
||||
|
|
@ -0,0 +1,85 @@
|
|||
package speed_ctrl
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"os"
|
||||
"os/signal"
|
||||
"runtime"
|
||||
"syscall"
|
||||
"time"
|
||||
|
||||
"amuz.es/src/infra/cpu_ctrl/daemon"
|
||||
"amuz.es/src/infra/cpu_ctrl/logger"
|
||||
"amuz.es/src/infra/cpu_ctrl/processor"
|
||||
"fmt"
|
||||
"os/exec"
|
||||
"amuz.es/src/infra/cpu_ctrl/pid"
|
||||
"amuz.es/src/infra/cpu_ctrl/util"
|
||||
)
|
||||
|
||||
var (
|
||||
log = logger.NewLogger("speed_ctrl")
|
||||
)
|
||||
|
||||
|
||||
func TempetureControl(
|
||||
handler util.Handler,
|
||||
processors []processor.Processor,
|
||||
) {
|
||||
defer handler.DecreaseWait()
|
||||
var (
|
||||
P, I, D = 1.5, 0.4, 2.0
|
||||
SetPoint = 38.0
|
||||
SampleTime = time.Second
|
||||
maxNoob, minNoob = 0x64, 0x4
|
||||
WindupGuard = float64(maxNoob - minNoob)
|
||||
)
|
||||
|
||||
noobs := make([]int, processorCount)
|
||||
|
||||
controllers := make([]pid.Controller, 0, processorCount)
|
||||
for i := 0; i < processorCount; i++ {
|
||||
controller := pid.New(P, I, D)
|
||||
controller.SetSetPoint(SetPoint)
|
||||
controller.SetSampleTime(SampleTime)
|
||||
controller.SetWindupGuard(WindupGuard)
|
||||
controllers = append(controllers, controller)
|
||||
}
|
||||
|
||||
for {
|
||||
select {
|
||||
case change := <-notifier:
|
||||
controller := controllers[change.Id()]
|
||||
adj_noob := int(-controller.Update(change.Tempeture()))
|
||||
if adj_noob < minNoob {
|
||||
adj_noob = minNoob
|
||||
} else if adj_noob > maxNoob {
|
||||
adj_noob = maxNoob
|
||||
}
|
||||
if noobs[change.Id()] == adj_noob {
|
||||
continue
|
||||
}
|
||||
noobs[change.Id()] = adj_noob
|
||||
log.Printf("Processor %d fan 0x%x\n", change.Id, adj_noob)
|
||||
|
||||
args := make([]string, 0)
|
||||
args = append(args,
|
||||
"raw",
|
||||
"0x3a", "0x01",
|
||||
)
|
||||
for _, item := range noobs {
|
||||
args = append(args, fmt.Sprintf("0x%x", item))
|
||||
}
|
||||
args = append(args,
|
||||
"0x0", "0x0", "0x0", "0x0", "0x0", "0x0",
|
||||
)
|
||||
cmd := exec.Command("ipmitool", args...)
|
||||
if err := cmd.Run(); err != nil {
|
||||
errorChan <- err
|
||||
return
|
||||
}
|
||||
case <-ctx.Done():
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,54 @@
|
|||
package util
|
||||
|
||||
import (
|
||||
"sync"
|
||||
"context"
|
||||
"amuz.es/src/infra/cpu_ctrl/logger"
|
||||
)
|
||||
|
||||
var (
|
||||
log = logger.NewLogger("util")
|
||||
)
|
||||
|
||||
type handler struct {
|
||||
errorChan chan error
|
||||
ctx context.Context
|
||||
canceler context.CancelFunc
|
||||
waiter *sync.WaitGroup
|
||||
}
|
||||
|
||||
type Handler interface {
|
||||
NotifyError(err error)
|
||||
Error() <-chan error
|
||||
Done() <-chan struct{}
|
||||
GracefullWait()
|
||||
IncreaseWait()
|
||||
DecreaseWait()
|
||||
}
|
||||
|
||||
func NewHandler() Handler {
|
||||
ctx, canceler := context.WithCancel(context.Background())
|
||||
return &handler{
|
||||
ctx: ctx,
|
||||
canceler: canceler,
|
||||
waiter: &sync.WaitGroup{},
|
||||
errorChan: make(chan error),
|
||||
}
|
||||
}
|
||||
|
||||
func (h *handler) NotifyError(err error) { h.errorChan <- err }
|
||||
func (h *handler) Error() <-chan error { return h.errorChan }
|
||||
func (h *handler) Done() <-chan struct{} { return h.ctx.Done() }
|
||||
func (h *handler) GracefullWait() {
|
||||
if h.ctx.Err() == nil {
|
||||
h.canceler()
|
||||
}
|
||||
h.waiter.Wait()
|
||||
close(h.errorChan)
|
||||
|
||||
for remainError := range h.errorChan {
|
||||
log.Errorf("%s", remainError)
|
||||
}
|
||||
}
|
||||
func (h *handler) IncreaseWait() { h.waiter.Add(1) }
|
||||
func (h *handler) DecreaseWait() { h.waiter.Done() }
|
||||
Loading…
Reference in New Issue