type oldTraceConverter … const sForever … const sPreempted … const sGosched … const sSleep … const sChanSend … const sChanRecv … const sNetwork … const sSync … const sSyncCond … const sSelect … const sEmpty … const sMarkAssistWait … const sSTWUnknown … const sSTWGCMarkTermination … const sSTWGCSweepTermination … const sSTWWriteHeapDump … const sSTWGoroutineProfile … const sSTWGoroutineProfileCleanup … const sSTWAllGoroutinesStackTrace … const sSTWReadMemStats … const sSTWAllThreadsSyscall … const sSTWGOMAXPROCS … const sSTWStartTrace … const sSTWStopTrace … const sSTWCountPagesInUse … const sSTWReadMetricsSlow … const sSTWReadMemStatsSlow … const sSTWPageCachePagesLeaked … const sSTWResetDebugLog … const sLast … func (it *oldTraceConverter) init(pr oldtrace.Trace) error { … } // next returns the next event, io.EOF if there are no more events, or a // descriptive error for invalid events. func (it *oldTraceConverter) next() (Event, error) { … } var errSkip … // convertEvent converts an event from the old trace format to zero or more // events in the new format. Most events translate 1 to 1. Some events don't // result in an event right away, in which case convertEvent returns errSkip. // Some events result in more than one new event; in this case, convertEvent // returns the first event and stores additional events in it.extra. When // encountering events that oldtrace shouldn't be able to emit, ocnvertEvent // returns a descriptive error. func (it *oldTraceConverter) convertEvent(ev *oldtrace.Event) (OUT Event, ERR error) { … } // convertOldFormat takes a fully loaded trace in the old trace format and // returns an iterator over events in the new format. func convertOldFormat(pr oldtrace.Trace) *oldTraceConverter { … }
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