var DebugUseAfterFinish … const debugRequestsPath … const debugEventsPath … var AuthRequest … func init() { … } // NewContext returns a copy of the parent context // and associates it with a Trace. func NewContext(ctx context.Context, tr Trace) context.Context { … } // FromContext returns the Trace bound to the context, if any. func FromContext(ctx context.Context) (tr Trace, ok bool) { … } // Traces responds with traces from the program. // The package initialization registers it in http.DefaultServeMux // at /debug/requests. // // It performs authorization by running AuthRequest. func Traces(w http.ResponseWriter, req *http.Request) { … } // Events responds with a page of events collected by EventLogs. // The package initialization registers it in http.DefaultServeMux // at /debug/events. // // It performs authorization by running AuthRequest. func Events(w http.ResponseWriter, req *http.Request) { … } // Render renders the HTML page typically served at /debug/requests. // It does not do any auth checking. The request may be nil. // // Most users will use the Traces handler. func Render(w io.Writer, req *http.Request, sensitive bool) { … } func parseArgs(req *http.Request) (fam string, b int, ok bool) { … } func lookupBucket(fam string, b int) *traceBucket { … } type contextKeyT … var contextKey … type Trace … type lazySprintf … func (l *lazySprintf) String() string { … } // New returns a new Trace with the specified family and title. func New(family, title string) Trace { … } func (tr *trace) Finish() { … } const bucketsPerFamily … const tracesPerBucket … const maxActiveTraces … const maxEventsPerTrace … const numHistogramBuckets … var activeMu … var activeTraces … var completedMu … var completedTraces … type traceSet … func (ts *traceSet) Len() int { … } func (ts *traceSet) Add(tr *trace) { … } func (ts *traceSet) Remove(tr *trace) { … } // FirstN returns the first n traces ordered by time. func (ts *traceSet) FirstN(n int) traceList { … } func getActiveTraces(fam string) traceList { … } func getFamily(fam string, allocNew bool) *family { … } func allocFamily(fam string) *family { … } type family … func newFamily() *family { … } type traceBucket … func (b *traceBucket) Add(tr *trace) { … } // Copy returns a copy of the traces in the bucket. // If tracedOnly is true, only the traces with trace information will be returned. // The logs will be ref'd before returning; the caller should call // the Free method when it is done with them. // TODO(dsymonds): keep track of traced requests in separate buckets. func (b *traceBucket) Copy(tracedOnly bool) traceList { … } func (b *traceBucket) Empty() bool { … } type cond … type minCond … func (m minCond) match(t *trace) bool { … } func (m minCond) String() string { … } type errorCond … func (e errorCond) match(t *trace) bool { … } func (e errorCond) String() string { … } type traceList … // Free calls unref on each element of the list. func (trl traceList) Free() { … } // traceList may be sorted in reverse chronological order. func (trl traceList) Len() int { … } func (trl traceList) Less(i, j int) bool { … } func (trl traceList) Swap(i, j int) { … } type event … // WhenString returns a string representation of the elapsed time of the event. // It will include the date if midnight was crossed. func (e event) WhenString() string { … } type discarded … func (d *discarded) String() string { … } type trace … func (tr *trace) reset() { … } // delta returns the elapsed time since the last event or the trace start, // and whether it spans midnight. // L >= tr.mu func (tr *trace) delta(t time.Time) (time.Duration, bool) { … } func (tr *trace) addEvent(x interface{ … } func (tr *trace) LazyLog(x fmt.Stringer, sensitive bool) { … } func (tr *trace) LazyPrintf(format string, a ...interface{ … } func (tr *trace) SetError() { … } func (tr *trace) SetRecycler(f func(interface{ … } func (tr *trace) SetTraceInfo(traceID, spanID uint64) { … } func (tr *trace) SetMaxEvents(m int) { … } func (tr *trace) ref() { … } func (tr *trace) unref() { … } func (tr *trace) When() string { … } func (tr *trace) ElapsedTime() string { … } func (tr *trace) Events() []event { … } var traceFreeList … // newTrace returns a trace ready to use. func newTrace() *trace { … } // freeTrace adds tr to traceFreeList if there's room. // This is non-blocking. func freeTrace(tr *trace) { … } func elapsed(d time.Duration) string { … } var pageTmplCache … var pageTmplOnce … func pageTmpl() *template.Template { … } const pageHTML …
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