// may have changed by the time this function returns.
func IsEnabled() bool {
	return tracing.enabled.Load()
}

//
// Function bodies are defined in runtime/trace.go
//

// emits UserTaskCreate event.
func userTaskCreate(id, parentID uint64, taskType string)

// emits UserTaskEnd event.
func userTaskEnd(id uint64)

// emits UserRegion event.
func userRegion(id, mode uint64, regionType string)

}

// To access runtime functions from runtime/trace.
// See runtime/trace/annotation.go

// trace_userTaskCreate emits a UserTaskCreate event.
//
//go:linkname trace_userTaskCreate runtime/trace.userTaskCreate
func trace_userTaskCreate(id, parentID uint64, taskType string) {
	tl := traceAcquire()
	if !tl.ok() {
		// Need to do this check because the caller won't have it.
		return

	EvGCMarkAssistStart: {"GCMarkAssistStart", 9, true, []string{}, nil},
	EvGCMarkAssistDone:  {"GCMarkAssistDone", 9, false, []string{}, nil},
	EvUserTaskCreate:    {"UserTaskCreate", 11, true, []string{"taskid", "pid", "typeid"}, []string{"name"}},
	EvUserTaskEnd:       {"UserTaskEnd", 11, true, []string{"taskid"}, nil},