1 /* 2 * Copyright 2017 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include "SkDebugfTracer.h" 9 #include "SkTraceEvent.h" 10 11 SkEventTracer::Handle SkDebugfTracer::addTraceEvent(char phase, 12 const uint8_t* categoryEnabledFlag, 13 const char* name, 14 uint64_t id, 15 int numArgs, 16 const char** argNames, 17 const uint8_t* argTypes, 18 const uint64_t* argValues, 19 uint8_t flags) { 20 SkString args; 21 for (int i = 0; i < numArgs; ++i) { 22 if (i > 0) { 23 args.append(", "); 24 } else { 25 args.append(" "); 26 } 27 skia::tracing_internals::TraceValueUnion value; 28 value.as_uint = argValues[i]; 29 switch (argTypes[i]) { 30 case TRACE_VALUE_TYPE_BOOL: 31 args.appendf("%s=%s", argNames[i], value.as_bool ? "true" : "false"); 32 break; 33 case TRACE_VALUE_TYPE_UINT: 34 args.appendf("%s=%u", argNames[i], static_cast<uint32_t>(argValues[i])); 35 break; 36 case TRACE_VALUE_TYPE_INT: 37 args.appendf("%s=%d", argNames[i], static_cast<int32_t>(argValues[i])); 38 break; 39 case TRACE_VALUE_TYPE_DOUBLE: 40 args.appendf("%s=%g", argNames[i], value.as_double); 41 break; 42 case TRACE_VALUE_TYPE_POINTER: 43 args.appendf("%s=0x%p", argNames[i], value.as_pointer); 44 break; 45 case TRACE_VALUE_TYPE_STRING: 46 case TRACE_VALUE_TYPE_COPY_STRING: { 47 static constexpr size_t kMaxLen = 20; 48 SkString string(value.as_string); 49 size_t truncAt = string.size(); 50 size_t newLineAt = SkStrFind(string.c_str(), "\n"); 51 if (newLineAt > 0) { 52 truncAt = newLineAt; 53 } 54 truncAt = SkTMin(truncAt, kMaxLen); 55 if (truncAt < string.size()) { 56 string.resize(truncAt); 57 string.append("..."); 58 } 59 args.appendf("%s=\"%s\"", argNames[i], string.c_str()); 60 break; 61 } 62 default: 63 args.appendf("%s=<unknown type>", argNames[i]); 64 break; 65 } 66 } 67 bool open = (phase == TRACE_EVENT_PHASE_COMPLETE); 68 if (open) { 69 const char* category = this->getCategoryGroupName(categoryEnabledFlag); 70 SkDebugf("[% 2d]%s <%s> %s%s #%d {\n", fIndent.size(), fIndent.c_str(), category, name, 71 args.c_str(), fCnt); 72 fIndent.append(" "); 73 } else { 74 SkDebugf("%s%s #%d\n", name, args.c_str(), fCnt); 75 } 76 ++fCnt; 77 return 0; 78 } 79 80 void SkDebugfTracer::updateTraceEventDuration(const uint8_t* categoryEnabledFlag, 81 const char* name, 82 SkEventTracer::Handle handle) { 83 fIndent.resize(fIndent.size() - 1); 84 SkDebugf("[% 2d]%s } %s\n", fIndent.size(), fIndent.c_str(), name); 85 } 86
