4  * Use of this source code is governed by a BSD-style license that can be
12 #include "src/utils/SkJSONWriter.h"
13 #include "src/utils/SkOSPath.h"
48     char*          stringTable() { return reinterpret_cast<char*>(this->args() + fNumArgs); }  in stringTable()
54     this->createBlock();  in ChromeTracingTracer()
57 ChromeTracingTracer::~ChromeTracingTracer() { this->flush(); }  in ~ChromeTracingTracer()
71         this->createBlock();  in appendEvent()
108     traceEvent->fPhase      = phase;  in addTraceEvent()
109     traceEvent->fNumArgs    = numArgs;  in addTraceEvent()
110     traceEvent->fSize       = size;  in addTraceEvent()
111     traceEvent->fName       = name;  in addTraceEvent()
112     traceEvent->fID         = id;  in addTraceEvent()
113     traceEvent->fClockBegin = std::chrono::steady_clock::now().time_since_epoch().count();  in addTraceEvent()
114     traceEvent->fClockEnd   = 0;  in addTraceEvent()
115     traceEvent->fThreadID   = SkGetThreadID();  in addTraceEvent()
117     TraceEventArg* traceEventArgs  = traceEvent->args();  in addTraceEvent()
118     char*          stringTableBase = traceEvent->stringTable();  in addTraceEvent()
125             traceEventArgs[i].fArgValue = stringTable - stringTableBase;  in addTraceEvent()
139     return this->appendEvent(storagePtr, size);  in addTraceEvent()
148     traceEvent->fClockEnd         = std::chrono::steady_clock::now().time_since_epoch().count();  in updateTraceEventDuration()
159         case TRACE_VALUE_TYPE_BOOL: writer->appendBool(value.as_bool); break;  in trace_value_to_json()
160         case TRACE_VALUE_TYPE_UINT: writer->appendU64(value.as_uint); break;  in trace_value_to_json()
161         case TRACE_VALUE_TYPE_INT: writer->appendS64(value.as_int); break;  in trace_value_to_json()
162         case TRACE_VALUE_TYPE_DOUBLE: writer->appendDouble(value.as_double); break;  in trace_value_to_json()
163         case TRACE_VALUE_TYPE_POINTER: writer->appendPointer(value.as_pointer); break;  in trace_value_to_json()
164         case TRACE_VALUE_TYPE_STRING: writer->appendString(value.as_string); break;  in trace_value_to_json()
166             writer->appendString(stringTableBase + value.as_uint);  in trace_value_to_json()
168         default: writer->appendString("<unknown type>"); break;  in trace_value_to_json()
200     auto baseTypeResolver = &(serializationState->fBaseTypeResolver);  in trace_event_to_json()
201     if (TRACE_EVENT_PHASE_CREATE_OBJECT == traceEvent->fPhase) {  in trace_event_to_json()
202         SkASSERT(nullptr == baseTypeResolver->find(traceEvent->fID));  in trace_event_to_json()
203         baseTypeResolver->set(traceEvent->fID, traceEvent->fName);  in trace_event_to_json()
204     } else if (TRACE_EVENT_PHASE_DELETE_OBJECT == traceEvent->fPhase) {  in trace_event_to_json()
205         SkASSERT(nullptr != baseTypeResolver->find(traceEvent->fID));  in trace_event_to_json()
206         baseTypeResolver->remove(traceEvent->fID);  in trace_event_to_json()
209     writer->beginObject();  in trace_event_to_json()
211     char phaseString[2] = {traceEvent->fPhase, 0};  in trace_event_to_json()
212     writer->appendString("ph", phaseString);  in trace_event_to_json()
213     writer->appendString("name", traceEvent->fName);  in trace_event_to_json()
214     if (0 != traceEvent->fID) {  in trace_event_to_json()
216         writer->appendPointer("id", reinterpret_cast<void*>(traceEvent->fID));  in trace_event_to_json()
222             static_cast<int64_t>(traceEvent->fClockBegin - serializationState->fClockOffset);  in trace_event_to_json()
223     writer->appendDouble("ts", static_cast<double>(relativeTimestamp) * 1E-3);  in trace_event_to_json()
224     if (0 != traceEvent->fClockEnd) {  in trace_event_to_json()
225         double dur = static_cast<double>(traceEvent->fClockEnd - traceEvent->fClockBegin) * 1E-3;  in trace_event_to_json()
226         writer->appendDouble("dur", dur);  in trace_event_to_json()
229     writer->appendS64("tid", serializationState->getShortThreadID(traceEvent->fThreadID));  in trace_event_to_json()
231     // important (and certainly not worth adding a cross-platform API to get it).  in trace_event_to_json()
232     writer->appendS32("pid", 0);  in trace_event_to_json()
234     if (traceEvent->fNumArgs) {  in trace_event_to_json()
235         writer->beginObject("args");  in trace_event_to_json()
236         const char* stringTable   = traceEvent->stringTable();  in trace_event_to_json()
238         if (TRACE_EVENT_PHASE_SNAPSHOT_OBJECT == traceEvent->fPhase &&  in trace_event_to_json()
239             baseTypeResolver->find(traceEvent->fID) &&  in trace_event_to_json()
240             0 != strcmp(*baseTypeResolver->find(traceEvent->fID), traceEvent->fName)) {  in trace_event_to_json()
242             writer->beginObject("snapshot");  in trace_event_to_json()
243             writer->appendString("base_type", *baseTypeResolver->find(traceEvent->fID));  in trace_event_to_json()
247         for (int i = 0; i < traceEvent->fNumArgs; ++i) {  in trace_event_to_json()
248             const TraceEventArg* arg = traceEvent->args() + i;  in trace_event_to_json()
250             writer->appendName(arg->fArgName);  in trace_event_to_json()
252             if (arg->fArgName && '#' == arg->fArgName[0]) {  in trace_event_to_json()
253                 writer->beginObject();  in trace_event_to_json()
254                 writer->appendName("id_ref");  in trace_event_to_json()
255                 trace_value_to_json(writer, arg->fArgValue, arg->fArgType, stringTable);  in trace_event_to_json()
256                 writer->endObject();  in trace_event_to_json()
258                 trace_value_to_json(writer, arg->fArgValue, arg->fArgType, stringTable);  in trace_event_to_json()
263             writer->endObject();  in trace_event_to_json()
266         writer->endObject();  in trace_event_to_json()
269     writer->endObject();  in trace_event_to_json()
288         clockOffset = reinterpret_cast<TraceEvent*>(fBlocks[0].fBlock.get())->fClockBegin;  in flush()
290         clockOffset = reinterpret_cast<TraceEvent*>(fCurBlock.fBlock.get())->fClockBegin;  in flush()
301             traceEvent = traceEvent->next();  in flush()