package standard library
go1.22.5 Latest Latest

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Published: Jul 2, 2024 License: BSD-3-Clause Imports: 0 Imported by: 0



Package traceviewer provides definitions of the JSON data structures used by the Chrome trace viewer.

The official description of the format is in this file:

Note: This can't be part of the parent traceviewer package as that would throw. go_bootstrap cannot depend on the cgo version of package net in ./make.bash.



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const (
	ProcsSection = 0 // where Goroutines or per-P timelines are presented.
	StatsSection = 1 // where counters are presented.
	TasksSection = 2 // where Task hierarchy & timeline is presented.


This section is empty.


This section is empty.


type BlockedArg

type BlockedArg struct {
	Blocked string `json:"blocked"`

type Data

type Data struct {
	Events   []*Event         `json:"traceEvents"`
	Frames   map[string]Frame `json:"stackFrames"`
	TimeUnit string           `json:"displayTimeUnit"`

type Event

type Event struct {
	Name      string  `json:"name,omitempty"`
	Phase     string  `json:"ph"`
	Scope     string  `json:"s,omitempty"`
	Time      float64 `json:"ts"`
	Dur       float64 `json:"dur,omitempty"`
	PID       uint64  `json:"pid"`
	TID       uint64  `json:"tid"`
	ID        uint64  `json:"id,omitempty"`
	BindPoint string  `json:"bp,omitempty"`
	Stack     int     `json:"sf,omitempty"`
	EndStack  int     `json:"esf,omitempty"`
	Arg       any     `json:"args,omitempty"`
	Cname     string  `json:"cname,omitempty"`
	Category  string  `json:"cat,omitempty"`

type Frame

type Frame struct {
	Name   string `json:"name"`
	Parent int    `json:"parent,omitempty"`

type GoroutineCountersArg

type GoroutineCountersArg struct {
	Running   uint64
	Runnable  uint64
	GCWaiting uint64

type HeapCountersArg

type HeapCountersArg struct {
	Allocated uint64
	NextGC    uint64

type NameArg

type NameArg struct {
	Name string `json:"name"`

type SortIndexArg

type SortIndexArg struct {
	Index int `json:"sort_index"`

type ThreadCountersArg

type ThreadCountersArg struct {
	Running   int64
	InSyscall int64

type ThreadIDArg

type ThreadIDArg struct {
	ThreadID uint64

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