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
addTraceEvent(char phase,const uint8_t * categoryEnabledFlag,const char * name,uint64_t id,int numArgs,const char ** argNames,const uint8_t * argTypes,const uint64_t * argValues,uint8_t flags)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
updateTraceEventDuration(const uint8_t * categoryEnabledFlag,const char * name,SkEventTracer::Handle handle)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