Dali 3D User Interface Engine
system-trace.cpp
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1 /*
2  * Copyright (c) 2015 Samsung Electronics Co., Ltd.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  *
16  */
17 
18 // CLASS HEADER
19 #include "system-trace.h"
20 
21 // EXTERNAL HEADERS
22 #include <string>
24 
25 // INTERNAL HEADERS
27 
28 #ifdef ENABLE_TTRACE
29 #include <ttrace.h>
30 #else
31 
32 // Emulate trace calls if ttrace isn't available
33 namespace
34 {
35 const int TTRACE_TAG_GRAPHICS = 1;
36 
37 void traceAsyncBegin(int tag, int cookie, const char *name, ...)
38 {
39  Debug::LogMessage(Debug::DebugInfo, "AsyncBegin: %s : cookie %d\n", name, cookie );
40 }
41 void traceAsyncEnd(int tag, int cookie, const char *name, ...)
42 {
43  Debug::LogMessage(Debug::DebugInfo, "AsyncEnd: %s : cookie %d\n", name, cookie );
44 }
45 void traceMark(int tag, const char *name, ...)
46 {
47  Debug::LogMessage(Debug::DebugInfo, "Marker: %s \n", name);
48 }
49 } // un-named namespace
50 #endif
51 
52 namespace
53 {
54 
55 int GetCookie( const std::string& description, std::string& markerName )
56 {
57  // description holds the marker name and postfix of _START or _END
58  std::size_t pos = description.find("_START");
59  if( pos == std::string::npos )
60  {
61  pos = description.find("_END");
62  }
63  if( !pos )
64  {
65  // if this asserts then check the postfix strings in StatContext.cpp for
66  // custom markers and performance-marker.cpp for built-in markers
68  }
69  markerName = description.substr( 0, pos );
70 
71  std::size_t hash = Dali::CalculateHash( markerName.c_str() );
72  return static_cast<int>( hash );
73 }
74 }
75 
76 namespace Dali
77 {
78 
79 namespace Internal
80 {
81 
82 namespace Adaptor
83 {
84 
86 {
87 }
89 {
90 }
91 
92 void SystemTrace::Trace( const PerformanceMarker& marker, const std::string& traceMessage )
93 {
95 
96  if( eventType == PerformanceMarker::SINGLE_EVENT )
97  {
98  traceMark( TTRACE_TAG_GRAPHICS, traceMessage.c_str() );
99  return;
100  }
101 
102  // DALi is multi-threaded so timed events will occur asynchronously
103  std::string markerName;
104 
105  int cookie = GetCookie(traceMessage, markerName );
106 
107  if( eventType == PerformanceMarker::START_TIMED_EVENT )
108  {
109  traceAsyncBegin( TTRACE_TAG_GRAPHICS, cookie, markerName.c_str() );
110  }
111  else
112  {
113  traceAsyncEnd( TTRACE_TAG_GRAPHICS, cookie, markerName.c_str() );
114  }
115 }
116 
117 } // namespace Internal
118 
119 } // namespace Adaptor
120 
121 } // namespace Dali
122 
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