func startProfile() {
if cpuprofile != "" {
f, err := os.Create(cpuprofile)
if err != nil {
log.Fatalf("%v", err)
}
if err := pprof.StartCPUProfile(f); err != nil {
log.Fatalf("%v", err)
}
AtExit(pprof.StopCPUProfile)
}
if memprofile != "" {
if memprofilerate != 0 {
runtime.MemProfileRate = int(memprofilerate)
}
f, err := os.Create(memprofile)
if err != nil {
log.Fatalf("%v", err)
}
AtExit(func() {
runtime.GC() // profile all outstanding allocations
if err := pprof.WriteHeapProfile(f); err != nil {
log.Fatalf("%v", err)
}
})
}
}
// runBenchmarkOnce runs f once and collects all performance metrics and profiles.
func runBenchmarkOnce(f func(uint64), N uint64) Result {
latencyInit(N)
runtime.GC()
mstats0 := new(runtime.MemStats)
runtime.ReadMemStats(mstats0)
ss := InitSysStats(N)
res := MakeResult()
res.N = N
res.Files["memprof0"] = tempFilename("memprof")
memprof0, err := os.Create(res.Files["memprof0"])
if err != nil {
log.Fatalf("Failed to create profile file '%v': %v", res.Files["memprof0"], err)
}
pprof.WriteHeapProfile(memprof0)
memprof0.Close()
res.Files["cpuprof"] = tempFilename("cpuprof")
cpuprof, err := os.Create(res.Files["cpuprof"])
if err != nil {
log.Fatalf("Failed to create profile file '%v': %v", res.Files["cpuprof"], err)
}
defer cpuprof.Close()
pprof.StartCPUProfile(cpuprof)
t0 := time.Now()
f(N)
res.Duration = time.Since(t0)
res.RunTime = uint64(time.Since(t0)) / N
res.Metrics["time"] = res.RunTime
pprof.StopCPUProfile()
latencyCollect(&res)
ss.Collect(&res)
res.Files["memprof"] = tempFilename("memprof")
memprof, err := os.Create(res.Files["memprof"])
if err != nil {
log.Fatalf("Failed to create profile file '%v': %v", res.Files["memprof"], err)
}
pprof.WriteHeapProfile(memprof)
memprof.Close()
mstats1 := new(runtime.MemStats)
runtime.ReadMemStats(mstats1)
res.Metrics["allocated"] = (mstats1.TotalAlloc - mstats0.TotalAlloc) / N
res.Metrics["allocs"] = (mstats1.Mallocs - mstats0.Mallocs) / N
res.Metrics["sys-total"] = mstats1.Sys
res.Metrics["sys-heap"] = mstats1.HeapSys
res.Metrics["sys-stack"] = mstats1.StackSys
res.Metrics["gc-pause-total"] = (mstats1.PauseTotalNs - mstats0.PauseTotalNs) / N
collectGo12MemStats(&res, mstats0, mstats1)
numGC := uint64(mstats1.NumGC - mstats0.NumGC)
if numGC == 0 {
res.Metrics["gc-pause-one"] = 0
} else {
res.Metrics["gc-pause-one"] = (mstats1.PauseTotalNs - mstats0.PauseTotalNs) / numGC
}
return res
}
func main() {
inputPath := flag.String("input", "-", "Input filename, '-' for stdin")
cpuprofile := flag.String("cpuprofile", "", "Write CPU profile to file")
memprofile := flag.String("memprofile", "", "Write memory profile to file")
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
log.Println(err.Error())
os.Exit(1)
}
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
defer f.Close()
}
if *memprofile != "" {
f, err := os.Create(*memprofile)
if err != nil {
log.Println(err.Error())
os.Exit(1)
}
go func() {
for {
time.Sleep(5 * time.Second)
pprof.WriteHeapProfile(f)
}
}()
defer pprof.WriteHeapProfile(f)
defer f.Close()
}
sigIntChan := make(chan os.Signal, 1)
signal.Notify(sigIntChan, syscall.SIGINT)
go func() {
<-sigIntChan
os.Exit(1)
}()
// Initialize input reading
log.Println("Reading from", *inputPath)
var inputFile *os.File = os.Stdin
if *inputPath != "-" {
var err error
inputFile, err = os.Open(*inputPath)
if err != nil {
log.Println(err.Error())
os.Exit(1)
}
defer inputFile.Close()
}
input := bufio.NewReader(inputFile)
// TODO
output := os.Stdout
process(Config, input, output)
}
func main() {
go func() {
if *memprofile != "" {
written := false
for {
if written {
os.Remove(*memprofile)
}
f, err := os.Create(*memprofile)
if err != nil {
log.Fatal(err)
}
pprof.WriteHeapProfile(f)
time.Sleep(1 * time.Millisecond)
f.Close()
}
}
}()
args, err := GetLegacyArguments()
if err != nil {
fmt.Println(err.Error())
return
}
if args.Help {
flag.Usage()
return
}
legacy, err := args.GetLegacy()
if err != nil {
log.Println(err)
return
}
legacy.SetupLogging()
legacy.Run()
if *memprofile != "" {
f, err := os.Create(*memprofile)
if err != nil {
log.Fatal(err)
}
pprof.WriteHeapProfile(f)
f.Close()
return
}
legacy.ShutdownLogging()
}
// initConfig is run by cobra after initialising the flags
func initConfig() {
// Log file output
if *logFile != "" {
f, err := os.OpenFile(*logFile, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0640)
if err != nil {
log.Fatalf("Failed to open log file: %v", err)
}
_, err = f.Seek(0, os.SEEK_END)
if err != nil {
fs.ErrorLog(nil, "Failed to seek log file to end: %v", err)
}
log.SetOutput(f)
fs.DebugLogger.SetOutput(f)
redirectStderr(f)
}
// Load the rest of the config now we have started the logger
fs.LoadConfig()
// Write the args for debug purposes
fs.Debug("rclone", "Version %q starting with parameters %q", fs.Version, os.Args)
// Setup CPU profiling if desired
if *cpuProfile != "" {
fs.Log(nil, "Creating CPU profile %q\n", *cpuProfile)
f, err := os.Create(*cpuProfile)
if err != nil {
fs.Stats.Error()
log.Fatal(err)
}
err = pprof.StartCPUProfile(f)
if err != nil {
fs.Stats.Error()
log.Fatal(err)
}
defer pprof.StopCPUProfile()
}
// Setup memory profiling if desired
if *memProfile != "" {
defer func() {
fs.Log(nil, "Saving Memory profile %q\n", *memProfile)
f, err := os.Create(*memProfile)
if err != nil {
fs.Stats.Error()
log.Fatal(err)
}
err = pprof.WriteHeapProfile(f)
if err != nil {
fs.Stats.Error()
log.Fatal(err)
}
err = f.Close()
if err != nil {
fs.Stats.Error()
log.Fatal(err)
}
}()
}
}
// Profile starts CPU and memory profiling and returns a function that will stop that.
//
//
// Writes "cpu" + filename and "mem" + filename.
//
// Usage:
//
// defer Profile("logfast.prof")()
//
func Profile(filename string) func() {
cpu, err := os.Create("cpu" + filename)
if err != nil {
panic(err)
}
mem, err := os.Create("mem" + filename)
if err != nil {
panic(err)
}
then := time.Now()
log.Printf("Profile starting %s\n", filename)
pprof.StartCPUProfile(cpu)
pprof.WriteHeapProfile(mem)
return func() {
elapsed := time.Now().Sub(then)
log.Printf("Profile stopping %s (elapsed %v)\n", filename, elapsed)
pprof.StopCPUProfile()
if err := mem.Close(); err != nil {
log.Printf("error closing mem profile (%v)", err)
}
}
}
func saveHeapProfiles() {
runtime.MemProfileRate = 1
var memstats, prevMemstats runtime.MemStats
t0 := time.Now()
for t := range time.NewTicker(250 * time.Millisecond).C {
startms := int(t.Sub(t0).Seconds() * 1000)
runtime.ReadMemStats(&memstats)
if memstats.HeapInuse > prevMemstats.HeapInuse {
fd, err := os.Create(fmt.Sprintf("heap-%05d-%07d.pprof", syscall.Getpid(), startms))
if err != nil {
panic(err)
}
err = pprof.WriteHeapProfile(fd)
if err != nil {
panic(err)
}
err = fd.Close()
if err != nil {
panic(err)
}
prevMemstats = memstats
}
}
}
func main() {
flag.Parse()
log.SetFlags(log.Lshortfile | log.Ltime)
fmt.Printf(
`lldb: version exp
Keys: 16 bytes each
Values: 100 bytes each (50 bytes after compression)
Entries: 1000000
RawSize: 110.6 MB (estimated)
FileSize: 62.9 MB (estimated)
------------------------------------------------
`)
if *memprofile != "" {
runtime.MemProfileRate = 1
}
fillseq()
if *memprofile != "" {
f, err := os.Create(*memprofile)
if err != nil {
log.Fatal(err)
}
pprof.WriteHeapProfile(f)
f.Close()
return
}
}
func main() {
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
fmt.Println("Error: ", err)
}
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
}
if *memprofile != "" {
f, err := os.Create(*memprofile)
if err != nil {
fmt.Println("Error: ", err)
}
pprof.WriteHeapProfile(f)
}
var wg sync.WaitGroup
cidrs, err := parseCidrs("./hosts.json")
if err != nil {
log.Fatal(err)
}
servers := make([]Server, 0, 10)
for k := range cidrs.Cidrs {
servers = append(servers, Server{Cidr: cidrs.Cidrs[k]})
}
fmt.Println(len(servers))
for k := range servers {
wg.Add(1)
go servers[k].checkIP(&wg)
}
wg.Wait()
}
func main() {
f, err := os.Create("cpuprofile.prof")
if err != nil {
log.Fatal(err)
}
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
fmt.Printf("GoHM Software Version [%s]\n", TLibCommon.NV_VERSION)
if len(os.Args) <= 2 {
fmt.Printf("Usage: \n")
fmt.Printf(" HM Encoder: gohm.exe -c encoder.cfg [trace.txt]\n")
fmt.Printf(" HM Decoder: gohm.exe -d test.bin test.yuv [n trace.txt]\n")
} else {
if os.Args[1] == "-c" {
Encoder()
} else if os.Args[1] == "-d" {
Decoder()
} else {
fmt.Printf("Unknown argment %s\n", os.Args[1])
}
}
m, err := os.Create("memprofile.prof")
if err != nil {
log.Fatal(err)
}
pprof.WriteHeapProfile(m)
m.Close()
}
func main() {
argParse()
runtime.GOMAXPROCS(runtime.NumCPU())
// start cpu profile.
fname := "client.pprof"
fd, err := os.Create(fname)
if err != nil {
log.Fatalf("unable to create %q: %v\n", fname, err)
}
defer fd.Close()
pprof.StartCPUProfile(fd)
defer pprof.StopCPUProfile()
doTransport()
// take memory profile.
fname = "client.mprof"
fd, err = os.Create(fname)
if err != nil {
log.Fatal(err)
}
defer fd.Close()
pprof.WriteHeapProfile(fd)
}
func cleanup() {
Debug("cleanup")
// write memory profile
if *flag_memprof != "" {
f, err := os.Create(*flag_memprof)
if err != nil {
Log(err)
}
Log("Writing memory profile to", *flag_memprof)
pprof.WriteHeapProfile(f)
f.Close()
}
// write cpu profile
if *flag_cpuprof != "" {
Log("Flushing CPU profile", *flag_cpuprof)
pprof.StopCPUProfile()
}
// print timers
if *flag_debug {
PrintTimers()
}
cuda.DeviceReset()
// kill subprocess?
}
// Start starts listeners
func (s *Service) Start() error {
s.Dispatcher.Run()
f, err := os.Create("cpu.prof")
if err != nil {
log.Fatal("could not create CPU profile: ", err)
}
if err := pprof.StartCPUProfile(f); err != nil {
log.Fatal("could not start CPU profile: ", err)
}
defer pprof.StopCPUProfile()
f2, err := os.Create("mem.prof")
if err != nil {
log.Fatal("could not create memory profile: ", err)
}
runtime.GC() // get up-to-date statistics
if err := pprof.WriteHeapProfile(f2); err != nil {
log.Fatal("could not write memory profile: ", err)
}
f2.Close()
server := &http.Server{
Addr: fmt.Sprintf("%s:%d", s.config.Interface, s.config.Port),
Handler: &myHandler{},
ReadTimeout: 2 * time.Second,
WriteTimeout: 2 * time.Second,
MaxHeaderBytes: 1 << 20,
}
mux = make(map[string]func(http.ResponseWriter, *http.Request))
mux["/v1/events"] = s.eventConsumerHandler
return server.ListenAndServe()
}
func doprofile(fn string) {
var err error
var fc, fh, ft *os.File
for i := 1; i > 0; i++ {
fc, err = os.Create(fn + "-cpu-" + strconv.Itoa(i) + ".prof")
if err != nil {
log.Fatal(err)
}
pprof.StartCPUProfile(fc)
time.Sleep(300 * time.Second)
pprof.StopCPUProfile()
fc.Close()
fh, err = os.Create(fn + "-heap-" + strconv.Itoa(i) + ".prof")
if err != nil {
log.Fatal(err)
}
pprof.WriteHeapProfile(fh)
fh.Close()
ft, err = os.Create(fn + "-threadcreate-" + strconv.Itoa(i) + ".prof")
if err != nil {
log.Fatal(err)
}
pprof.Lookup("threadcreate").WriteTo(ft, 0)
ft.Close()
log.Println("Created CPU, heap and threadcreate profile of 300 seconds")
}
}
// after runs after all testing.
func after() {
if *cpuProfile != "" {
pprof.StopCPUProfile() // flushes profile to disk
}
if *memProfile != "" {
f, err := os.Create(*memProfile)
if err != nil {
fmt.Fprintf(os.Stderr, "testing: %s", err)
return
}
if err = pprof.WriteHeapProfile(f); err != nil {
fmt.Fprintf(os.Stderr, "testing: can't write %s: %s", *memProfile, err)
}
f.Close()
}
if *blockProfile != "" && *blockProfileRate >= 0 {
f, err := os.Create(*blockProfile)
if err != nil {
fmt.Fprintf(os.Stderr, "testing: %s", err)
return
}
if err = pprof.Lookup("block").WriteTo(f, 0); err != nil {
fmt.Fprintf(os.Stderr, "testing: can't write %s: %s", *blockProfile, err)
}
f.Close()
}
}
func main() {
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
log.Fatal(err)
}
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
}
lsgraph := NewLSG()
cfgraph := NewCFG()
cfgraph.CreateNode(0) // top
cfgraph.CreateNode(1) // bottom
NewBasicBlockEdge(cfgraph, 0, 2)
for dummyloop := 0; dummyloop < 15000; dummyloop++ {
FindHavlakLoops(cfgraph, NewLSG())
}
n := 2
for parlooptrees := 0; parlooptrees < 10; parlooptrees++ {
cfgraph.CreateNode(n + 1)
buildConnect(cfgraph, 2, n+1)
n = n + 1
for i := 0; i < 100; i++ {
top := n
n = buildStraight(cfgraph, n, 1)
for j := 0; j < 25; j++ {
n = buildBaseLoop(cfgraph, n)
}
bottom := buildStraight(cfgraph, n, 1)
buildConnect(cfgraph, n, top)
n = bottom
}
buildConnect(cfgraph, n, 1)
}
FindHavlakLoops(cfgraph, lsgraph)
if *memprofile != "" {
f, err := os.Create(*memprofile)
if err != nil {
log.Fatal(err)
}
pprof.WriteHeapProfile(f)
f.Close()
return
}
for i := 0; i < 50; i++ {
FindHavlakLoops(cfgraph, NewLSG())
}
fmt.Printf("# of loops: %d (including 1 artificial root node)\n", lsgraph.NumLoops())
lsgraph.CalculateNestingLevel()
}
func main() {
flag.Parse()
t := &trie.Tree{}
f, err := os.Open(*file)
if err != nil {
log.Fatalf("os.Open error: %v", err)
}
reader := bufio.NewReader(f)
line, isPrefix, err := reader.ReadLine()
for err == nil {
if isPrefix {
log.Fatalf("line bigger than buffer")
}
t.Add(string(line))
line, isPrefix, err = reader.ReadLine()
}
runtime.GC()
if *memprofile != "" {
f, err := os.Create(*memprofile)
if err != nil {
log.Fatal(err)
}
pprof.WriteHeapProfile(f)
f.Close()
}
fmt.Fprintf(os.Stdout, "Done building ternary search tree\n")
<-time.After(time.Hour * 24)
}
// ShutdownContext shuts context down
func ShutdownContext() {
if aptly.EnableDebug {
if context.fileMemProfile != nil {
pprof.WriteHeapProfile(context.fileMemProfile)
context.fileMemProfile.Close()
context.fileMemProfile = nil
}
if context.fileCPUProfile != nil {
pprof.StopCPUProfile()
context.fileCPUProfile.Close()
context.fileCPUProfile = nil
}
if context.fileMemProfile != nil {
context.fileMemProfile.Close()
context.fileMemProfile = nil
}
}
if context.database != nil {
context.database.Close()
}
if context.downloader != nil {
context.downloader.Shutdown()
}
if context.progress != nil {
context.progress.Shutdown()
}
}
func main() {
runtime.GOMAXPROCS(8)
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
fmt.Errorf("%s\n", err)
}
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
}
file, _ := os.Create("./log.txt")
os.Stdout = file
os.Stderr = file
os.Stdin = file
defer file.Close()
Start()
if *memprofile != "" {
f, err := os.Create(*memprofile)
if err != nil {
fmt.Errorf("%s\n", err)
}
pprof.WriteHeapProfile(f)
f.Close()
return
}
}
func waitForSignals(stoppable Stoppable, filename string, stopped <-chan bool) {
ch := make(chan os.Signal)
signal.Notify(ch, syscall.SIGTERM, syscall.SIGINT)
outer:
for {
sig := <-ch
log.Info("Received signal: %s", sig.String())
switch sig {
case syscall.SIGINT, syscall.SIGTERM:
runtime.SetCPUProfileRate(0)
f, err := os.OpenFile(fmt.Sprintf("%s.mem", filename), os.O_CREATE|os.O_TRUNC|os.O_RDWR, 0600)
if err != nil {
log.Error("Cannot open memory profile: %s", err)
break outer
}
if err := pprof.WriteHeapProfile(f); err != nil {
log.Error("Cannot write memory profile: %s", err)
}
f.Close()
stopCHeapProfiler()
// stopCCpuProfiler()
stoppable.Stop()
break outer
// make sure everything stopped before exiting
}
}
// wait for all logging messages to be printed
<-stopped
time.Sleep(5 * time.Second)
os.Exit(0)
}
func test() {
f, _ := os.Create("ls.prof")
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
log.Fatal(err)
}
pprof.StartCPUProfile(f)
defer func() {
pprof.StopCPUProfile()
}()
}
// ...
t := &T{}
for i := 0; i < 1000000; i++ {
v := reflect.ValueOf(t)
if v.Kind() == reflect.Ptr {
v = v.Elem()
}
t.B = append(t.B, i)
t.A = append(t.A, sumtest())
}
// var buffer bytes.Buffer
pprof.WriteHeapProfile(f)
// fmt.Println(buffer.String())
}
// -- main
func main() {
flag.Parse()
if *version {
fmt.Println(simplepush.VERSION)
return
}
runtime.GOMAXPROCS(runtime.NumCPU())
// Only create profiles if requested. To view the application profiles,
// see http://blog.golang.org/profiling-go-programs
if *profile != "" {
log.Printf("Creating profile...")
f, err := os.Create(*profile)
if err != nil {
log.Fatal(err)
}
defer func() {
log.Printf("Closing profile...")
pprof.StopCPUProfile()
}()
pprof.StartCPUProfile(f)
}
if *memProfile != "" {
defer func() {
profFile, err := os.Create(*memProfile)
if err != nil {
log.Fatalln(err)
}
pprof.WriteHeapProfile(profFile)
profFile.Close()
}()
}
// Load the app from the config file
app, err := simplepush.LoadApplicationFromFileName(*configFile, *logging)
if err != nil {
log.Fatal(err.Error())
}
// Report what the app believes the current host to be, and what version.
log.Printf("CurrentHost: %s, Version: %s", app.Hostname(), simplepush.VERSION)
// wait for sigint
sigChan := make(chan os.Signal)
signal.Notify(sigChan, syscall.SIGINT, syscall.SIGHUP, SIGUSR1)
// And we're underway!
errChan := app.Run()
select {
case err = <-errChan:
case <-sigChan:
app.Logger().Info("main", "Recieved signal, shutting down.", nil)
}
app.Stop()
if err != nil {
panic("Run: " + err.Error())
}
}
func bench(cmd *cobra.Command, args []string) {
if memProfilefile != "" {
f, err := os.Create(memProfilefile)
if err != nil {
panic(err)
}
for i := 0; i < benchmarkTimes; i++ {
_ = buildSite()
}
pprof.WriteHeapProfile(f)
f.Close()
} else {
if cpuProfilefile == "" {
cpuProfilefile = "/tmp/hugo-cpuprofile"
}
f, err := os.Create(cpuProfilefile)
if err != nil {
panic(err)
}
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
for i := 0; i < benchmarkTimes; i++ {
_ = buildSite()
}
}
}
func main() {
flag.Parse()
if *cpuProfile != "" {
f, err := os.Create(*cpuProfile)
if err != nil {
log.Fatal(err)
}
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
}
g, err := Open(*logPath)
if err != nil {
panic(err)
}
if *freebaseDumpPath != "" {
if err := g.ReadFreebase(*freebaseDumpPath); err != nil {
panic(err)
}
}
log.Println("done!")
if *heapProfile != "" {
f, err := os.Create(*heapProfile)
if err != nil {
log.Fatal(err)
}
runtime.GC()
pprof.WriteHeapProfile(f)
}
}
// HandleError is the actual error handler and will store the error details in analytics if analytics processing is enabled.
func (e ErrorHandler) HandleError(w http.ResponseWriter, r *http.Request, err string, errCode int) {
if config.EnableAnalytics {
t := time.Now()
// Track the key ID if it exists
authHeaderValue := context.Get(r, AuthHeaderValue)
keyName := ""
if authHeaderValue != nil {
keyName = authHeaderValue.(string)
}
version := e.Spec.getVersionFromRequest(r)
if version == "" {
version = "Non Versioned"
}
if e.TykMiddleware.Spec.APIDefinition.Proxy.StripListenPath {
r.URL.Path = strings.Replace(r.URL.Path, e.TykMiddleware.Spec.Proxy.ListenPath, "", 1)
}
OauthClientID := ""
thisSessionState := context.Get(r, SessionData)
if thisSessionState != nil {
OauthClientID = thisSessionState.(SessionState).OauthClientID
}
thisRecord := AnalyticsRecord{
r.Method,
r.URL.Path,
r.ContentLength,
r.Header.Get("User-Agent"),
t.Day(),
t.Month(),
t.Year(),
t.Hour(),
errCode,
keyName,
t,
version,
e.Spec.APIDefinition.Name,
e.Spec.APIDefinition.APIID,
e.Spec.APIDefinition.OrgID,
OauthClientID}
go analytics.RecordHit(thisRecord)
}
w.Header().Add("Content-Type", "application/json")
w.Header().Add("X-Generator", "tyk.io")
log.Debug("Returning error header")
w.WriteHeader(errCode)
thisError := APIError{fmt.Sprintf("%s", err)}
templates.ExecuteTemplate(w, "error.json", &thisError)
if doMemoryProfile {
pprof.WriteHeapProfile(profileFile)
}
// Clean up
context.Clear(r)
}
func main() {
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
fmt.Errorf("%s\n", err)
}
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
}
file, _ := os.Create("./log.txt")
os.Stdout = file
os.Stderr = file
os.Stdin = file
defer file.Close()
go Start()
engine.Terminated()
if *memprofile != "" {
f, err := os.Create(*memprofile)
if err != nil {
fmt.Errorf("%s\n", err)
}
pprof.WriteHeapProfile(f)
f.Close()
return
}
}
func main() {
f, err := os.Create("cpuprofile")
if err != nil {
panic(err.Error())
}
f2, err := os.Create("memprofile")
if err != nil {
panic(err.Error())
}
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
defer pprof.WriteHeapProfile(f2)
m := radix.NewTree()
var k []byte
for i := 0; i < 100000; i++ {
k = murmur.HashString(fmt.Sprint(i))
m.Put(k, k, 1)
x, _, _ := m.Get(k)
if bytes.Compare(x, k) != 0 {
panic("humbug")
}
}
}
func main() {
f, err := os.Create("cpuprofile")
if err != nil {
panic(err.Error())
}
f2, err := os.Create("memprofile")
if err != nil {
panic(err.Error())
}
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
defer pprof.WriteHeapProfile(f2)
benchNode := NewNodeDir("127.0.0.1:1231", "127.0.0.1:1231", "")
benchNode.MustStart()
var k []byte
for i := 0; i < 100000; i++ {
k = murmur.HashString(fmt.Sprint(i))
benchNode.Put(common.Item{
Key: k,
Value: k,
})
}
}
// Stop profiling and output results to a file. Also dump a memory profile.
func (pro *Prof) Stop() error {
pprof.StopCPUProfile()
pro.fd.Close()
profileDir := "Profile-" + time.Now().Format("Jan_02_2006-15.04.05")
if err := os.Mkdir(profileDir, 0777); err != nil {
return err
}
cpuProfilePath := filepath.Join(profileDir, pro.fname)
if err := os.Rename(pro.fname+".tmp", cpuProfilePath); err != nil {
return fmt.Errorf("failed to rename tmp file: %s", err)
}
memProfilePath := filepath.Join(profileDir, pro.fname+".mem")
memFile, err := os.Create(memProfilePath)
if err != nil {
return fmt.Errorf("failed to create mem file: %s", err)
}
defer memFile.Close()
runtime.GC()
if err := pprof.WriteHeapProfile(memFile); err != nil {
return fmt.Errorf("failed to write heap profile: %s", err)
}
return nil
}
// after runs after all testing.
func after() {
if *cpuProfile != "" {
pprof.StopCPUProfile() // flushes profile to disk
}
if *memProfile != "" {
f, err := os.Create(toOutputDir(*memProfile))
if err != nil {
fmt.Fprintf(os.Stderr, "testing: %s\n", err)
os.Exit(2)
}
if err = pprof.WriteHeapProfile(f); err != nil {
fmt.Fprintf(os.Stderr, "testing: can't write %s: %s\n", *memProfile, err)
os.Exit(2)
}
f.Close()
}
if *blockProfile != "" && *blockProfileRate >= 0 {
f, err := os.Create(toOutputDir(*blockProfile))
if err != nil {
fmt.Fprintf(os.Stderr, "testing: %s\n", err)
os.Exit(2)
}
if err = pprof.Lookup("block").WriteTo(f, 0); err != nil {
fmt.Fprintf(os.Stderr, "testing: can't write %s: %s\n", *blockProfile, err)
os.Exit(2)
}
f.Close()
}
if cover.Mode != "" {
coverReport()
}
}