36 std::ostream& operator<<(std::ostream& os, State state) {  in operator <<()
38     case State::kTraceFailed:  in operator <<()
41     case State::kConnectionError:  in operator <<()
44     case State::kSessionNotFound:  in operator <<()
47     case State::kIdle:  in operator <<()
50     case State::kConnecting:  in operator <<()
53     case State::kConfigured:  in operator <<()
56     case State::kTracing:  in operator <<()
59     case State::kTraceEnded:  in operator <<()
161   using State = ::perfetto::consumer::State;  typedef
164   State state;                                                           // Never invalid.
199   using State = ::perfetto::consumer::State;  typedef in iorap::perfetto::StateChangedSubject
219   State last_state{State::kIdle};
225   void DcheckBadStateTransition(State state, bool fail_unless = false) const {  in DcheckBadStateTransition()
229   void DcheckValidStateTransition(State state) {  in DcheckValidStateTransition()
231     DCHECK_GE(state, State::kTraceFailed);  in DcheckValidStateTransition()
232     DCHECK_LE(state, State::kTraceEnded);  in DcheckValidStateTransition()
235     DCHECK_NE(state, State::kIdle);  in DcheckValidStateTransition()
237     DCHECK_NE(state, State::kSessionNotFound);  in DcheckValidStateTransition()
242       case State::kTraceFailed:  // Final and unrecoverable.  in DcheckValidStateTransition()
244         if (state == State::kConnectionError) {  in DcheckValidStateTransition()
251       case State::kConnectionError:  // Final and unrecoverable.  in DcheckValidStateTransition()
254       case State::kSessionNotFound:  in DcheckValidStateTransition()
257       case State::kIdle:  in DcheckValidStateTransition()
260       case State::kConnecting:  in DcheckValidStateTransition()
262           case State::kConfigured:  in DcheckValidStateTransition()
266           case State::kTracing:  in DcheckValidStateTransition()
270           case State::kConnectionError:  in DcheckValidStateTransition()
278       case State::kConfigured:  in DcheckValidStateTransition()
280         if (state != State::kTracing  // OK: this is documented.  in DcheckValidStateTransition()
281             && state != State::kTraceFailed) {  // Undocumented selinux failure.  in DcheckValidStateTransition()
287           if (state != State::kTraceEnded) {  // b/122607276 #1  in DcheckValidStateTransition()
292       case State::kTracing:  in DcheckValidStateTransition()
294           case State::kTraceEnded:  in DcheckValidStateTransition()
296           case State::kTraceFailed:  in DcheckValidStateTransition()
302       case State::kTraceEnded:  in DcheckValidStateTransition()
313       case State::kTraceFailed:  in IsTerminalState()
314       case State::kConnectionError:  in IsTerminalState()
315       case State::kTraceEnded:  in IsTerminalState()
324   bool OnStateChanged(Handle handle, State state) {  in OnStateChanged()
338       case State::kTraceFailed:  in OnStateChanged()
341       case State::kConnectionError:  in OnStateChanged()
346       case State::kConnecting:  in OnStateChanged()
347       case State::kConfigured:  in OnStateChanged()
348       case State::kTracing:  in OnStateChanged()
352       case State::kTraceEnded:  // XX: do we even need to emit the 'TraceEnded' state?  in OnStateChanged()
362     if (last_state == State::kConfigured &&  state == State::kConnectionError) {  in OnStateChanged()
381     last_state = State::kSessionNotFound;  in OnCreateFailed()
395   static void CallbackOnStateChanged(Handle handle, State state, void* callback_arg) {  in CallbackOnStateChanged()
432   void EmitNext(State state) {  in EmitNext()
681   using State = ::perfetto::consumer::State;  in CreatePerfettoStream()  typedef
727                           && state_change.state == State::kConfigured) {  in CreatePerfettoStream()
731                           state_change.state == State::kTraceEnded) {  in CreatePerfettoStream()
808        using State = ::perfetto::consumer::State;  in CollectPerfettoTraceBufferImmediately()  typedef
810          case State::kConnecting:  in CollectPerfettoTraceBufferImmediately()
814          case State::kConfigured:  in CollectPerfettoTraceBufferImmediately()
817          case State::kTracing:  in CollectPerfettoTraceBufferImmediately()
821          case State::kTraceEnded: {  in CollectPerfettoTraceBufferImmediately()