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 "src/core/SkTraceEvent.h"
9 #include "tools/trace/SkDebugfTracer.h"
10
11 #include <inttypes.h>
12
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)13 SkEventTracer::Handle SkDebugfTracer::addTraceEvent(char phase,
14 const uint8_t* categoryEnabledFlag,
15 const char* name,
16 uint64_t id,
17 int numArgs,
18 const char** argNames,
19 const uint8_t* argTypes,
20 const uint64_t* argValues,
21 uint8_t flags) {
22 SkString args;
23 for (int i = 0; i < numArgs; ++i) {
24 if (i > 0) {
25 args.append(", ");
26 } else {
27 args.append(" ");
28 }
29
30 uint64_t value = argValues[i];
31 switch (argTypes[i]) {
32 case TRACE_VALUE_TYPE_BOOL:
33 args.appendf("%s=%s", argNames[i], value ? "true" : "false");
34 break;
35 case TRACE_VALUE_TYPE_UINT:
36 args.appendf("%s=%" PRIu64, argNames[i], value);
37 break;
38 case TRACE_VALUE_TYPE_INT:
39 args.appendf("%s=%" PRIi64, argNames[i], static_cast<int64_t>(value));
40 break;
41 case TRACE_VALUE_TYPE_DOUBLE:
42 args.appendf("%s=%g", argNames[i], sk_bit_cast<double>(value));
43 break;
44 case TRACE_VALUE_TYPE_POINTER:
45 args.appendf("%s=0x%p", argNames[i], skia_private::TraceValueAsPointer(value));
46 break;
47 case TRACE_VALUE_TYPE_STRING:
48 case TRACE_VALUE_TYPE_COPY_STRING: {
49 static constexpr size_t kMaxLen = 20;
50 SkString string(skia_private::TraceValueAsString(value));
51 size_t truncAt = string.size();
52 size_t newLineAt = SkStrFind(string.c_str(), "\n");
53 if (newLineAt > 0) {
54 truncAt = newLineAt;
55 }
56 truncAt = std::min(truncAt, kMaxLen);
57 if (truncAt < string.size()) {
58 string.resize(truncAt);
59 string.append("...");
60 }
61 args.appendf("%s=\"%s\"", argNames[i], string.c_str());
62 break;
63 }
64 default:
65 args.appendf("%s=<unknown type>", argNames[i]);
66 break;
67 }
68 }
69 bool open = (phase == TRACE_EVENT_PHASE_COMPLETE);
70 if (open) {
71 const char* category = this->getCategoryGroupName(categoryEnabledFlag);
72 SkDebugf("[% 2d]%s <%s> %s%s #%d {\n", (int)fIndent.size(), fIndent.c_str(), category, name,
73 args.c_str(), fCnt);
74 fIndent.append(" ");
75 } else {
76 SkDebugf("%s%s #%d\n", name, args.c_str(), fCnt);
77 }
78 ++fCnt;
79 return 0;
80 }
81
updateTraceEventDuration(const uint8_t * categoryEnabledFlag,const char * name,SkEventTracer::Handle handle)82 void SkDebugfTracer::updateTraceEventDuration(const uint8_t* categoryEnabledFlag,
83 const char* name,
84 SkEventTracer::Handle handle) {
85 fIndent.resize(fIndent.size() - 1);
86 SkDebugf("[% 2d]%s } %s\n", (int)fIndent.size(), fIndent.c_str(), name);
87 }
88
newTracingSection(const char * name)89 void SkDebugfTracer::newTracingSection(const char* name) {
90 SkDebugf("\n\n- - - New tracing section: %s - - -\n", name);
91 }
92