runtime

Documentation

Index

• Constants
• Variables
• func Breakpoint()
• func Caller(skip int) (pc uintptr, file string, line int, ok bool)
• func Callers(skip int, pc []uintptr) int
• func GC()
• func GOMAXPROCS(n int) int
• func GOROOT() string
• func Goexit()
• func Gosched()
• func LockOSThread()
• func NumCPU() int
• func NumCgoCall() int64
• func NumGoroutine() int
• func ReadMemStats(m *MemStats)
• func ReadTrace() []byte
• func SetBlockProfileRate(rate int)
• func SetFinalizer(x, f interface{})
• func Stack(buf []byte, all bool) int
• func StartTrace() error
• func StopTrace()
• func UnlockOSThread()
• func Version() string
• type Func
  • func FuncForPC(pc uintptr) *Func
  • func (_ *Func) Entry() uintptr
  • func (_ *Func) FileLine(pc uintptr) (file string, line int)
  • func (_ *Func) Name() string
• type MemStats

Constants

const Compiler = "gopherjs"

const GOARCH = "js"

const GOOS = sys.TheGoos

Variables

var MemProfileRate int = 512 * 1024

Functions

func Breakpoint

func Breakpoint()

func Caller

func Caller(skip int) (pc uintptr, file string, line int, ok bool)

func Callers

func Callers(skip int, pc []uintptr) int

func GC

func GC()

func GOMAXPROCS

func GOMAXPROCS(n int) int

func GOROOT

func GOROOT() string

func Goexit

func Goexit()

func Gosched

func Gosched()

func LockOSThread

func LockOSThread()

func NumCPU

func NumCPU() int

func NumCgoCall

func NumCgoCall() int64

We fake a cgo environment to catch errors. Therefor we have to implement this and always return 0

func NumGoroutine

func NumGoroutine() int

func ReadMemStats

func ReadMemStats(m *MemStats)

func ReadTrace

func ReadTrace() []byte

func SetBlockProfileRate

func SetBlockProfileRate(rate int)

func SetFinalizer

func SetFinalizer(x, f interface{})

func Stack

func Stack(buf []byte, all bool) int

func StartTrace

func StartTrace() error

func StopTrace

func StopTrace()

func UnlockOSThread

func UnlockOSThread()

func Version

func Version() string

Types

type Func

type Func struct {
	// contains filtered or unexported fields
}

func FuncForPC

func FuncForPC(pc uintptr) *Func

func (*Func) Entry

func (_ *Func) Entry() uintptr

func (*Func) FileLine

func (_ *Func) FileLine(pc uintptr) (file string, line int)

func (*Func) Name

func (_ *Func) Name() string

type MemStats

type MemStats struct {
	// General statistics.
	Alloc      uint64 // bytes allocated and still in use
	TotalAlloc uint64 // bytes allocated (even if freed)
	Sys        uint64 // bytes obtained from system (sum of XxxSys below)
	Lookups    uint64 // number of pointer lookups
	Mallocs    uint64 // number of mallocs
	Frees      uint64 // number of frees

	// Main allocation heap statistics.
	HeapAlloc    uint64 // bytes allocated and still in use
	HeapSys      uint64 // bytes obtained from system
	HeapIdle     uint64 // bytes in idle spans
	HeapInuse    uint64 // bytes in non-idle span
	HeapReleased uint64 // bytes released to the OS
	HeapObjects  uint64 // total number of allocated objects

	// Low-level fixed-size structure allocator statistics.
	//	Inuse is bytes used now.
	//	Sys is bytes obtained from system.
	StackInuse  uint64 // bytes used by stack allocator
	StackSys    uint64
	MSpanInuse  uint64 // mspan structures
	MSpanSys    uint64
	MCacheInuse uint64 // mcache structures
	MCacheSys   uint64
	BuckHashSys uint64 // profiling bucket hash table
	GCSys       uint64 // GC metadata
	OtherSys    uint64 // other system allocations

	// Garbage collector statistics.
	NextGC        uint64 // next collection will happen when HeapAlloc ≥ this amount
	LastGC        uint64 // end time of last collection (nanoseconds since 1970)
	PauseTotalNs  uint64
	PauseNs       [256]uint64 // circular buffer of recent GC pause durations, most recent at [(NumGC+255)%256]
	PauseEnd      [256]uint64 // circular buffer of recent GC pause end times
	NumGC         uint32
	GCCPUFraction float64 // fraction of CPU time used by GC
	EnableGC      bool
	DebugGC       bool

	// Per-size allocation statistics.
	// 61 is NumSizeClasses in the C code.
	BySize [61]struct {
		Size    uint32
		Mallocs uint64
		Frees   uint64
	}
}