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1 /*
2  * Copyright 2024 The Android Open Source Project
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 #include "tracing_perfetto.h"
18 
19 #include <cutils/trace.h>
20 
21 #include <cstdarg>
22 
23 #include "perfetto/public/te_category_macros.h"
24 #include "trace_categories.h"
25 #include "tracing_perfetto_internal.h"
26 
27 namespace tracing_perfetto {
28 
registerWithPerfetto(bool test)29 void registerWithPerfetto(bool test) {
30   internal::registerWithPerfetto(test);
31 }
32 
traceBegin(uint64_t category,const char * name)33 void traceBegin(uint64_t category, const char* name) {
34   struct PerfettoTeCategory* perfettoTeCategory =
35       internal::toPerfettoCategory(category);
36 
37   if (internal::shouldPreferAtrace(perfettoTeCategory, category)) {
38     atrace_begin(category, name);
39   } else if (internal::isPerfettoCategoryEnabled(perfettoTeCategory)) {
40     internal::perfettoTraceBegin(*perfettoTeCategory, name);
41   }
42 }
43 
traceFormatBegin(uint64_t category,const char * fmt,...)44 void traceFormatBegin(uint64_t category, const char* fmt, ...) {
45   struct PerfettoTeCategory* perfettoTeCategory =
46       internal::toPerfettoCategory(category);
47   const bool preferAtrace =
48       internal::shouldPreferAtrace(perfettoTeCategory, category);
49   const bool preferPerfetto =
50       internal::isPerfettoCategoryEnabled(perfettoTeCategory);
51   if (CC_LIKELY(!(preferAtrace || preferPerfetto))) {
52     return;
53   }
54 
55   const int BUFFER_SIZE = 256;
56   va_list ap;
57   char buf[BUFFER_SIZE];
58 
59   va_start(ap, fmt);
60   vsnprintf(buf, BUFFER_SIZE, fmt, ap);
61   va_end(ap);
62 
63   if (preferAtrace) {
64     atrace_begin(category, buf);
65   } else if (preferPerfetto) {
66     internal::perfettoTraceBegin(*perfettoTeCategory, buf);
67   }
68 }
69 
traceEnd(uint64_t category)70 void traceEnd(uint64_t category) {
71   struct PerfettoTeCategory* perfettoTeCategory =
72       internal::toPerfettoCategory(category);
73 
74   if (internal::shouldPreferAtrace(perfettoTeCategory, category)) {
75     atrace_end(category);
76   } else if (internal::isPerfettoCategoryEnabled(perfettoTeCategory)) {
77     internal::perfettoTraceEnd(*perfettoTeCategory);
78   }
79 }
80 
traceAsyncBegin(uint64_t category,const char * name,int32_t cookie)81 void traceAsyncBegin(uint64_t category, const char* name, int32_t cookie) {
82   struct PerfettoTeCategory* perfettoTeCategory =
83       internal::toPerfettoCategory(category);
84 
85   if (internal::shouldPreferAtrace(perfettoTeCategory, category)) {
86     atrace_async_begin(category, name, cookie);
87   } else if (internal::isPerfettoCategoryEnabled(perfettoTeCategory)) {
88     internal::perfettoTraceAsyncBegin(*perfettoTeCategory, name, cookie);
89   }
90 }
91 
traceAsyncEnd(uint64_t category,const char * name,int32_t cookie)92 void traceAsyncEnd(uint64_t category, const char* name, int32_t cookie) {
93   struct PerfettoTeCategory* perfettoTeCategory =
94       internal::toPerfettoCategory(category);
95 
96   if (internal::shouldPreferAtrace(perfettoTeCategory, category)) {
97     atrace_async_end(category, name, cookie);
98   } else if (internal::isPerfettoCategoryEnabled(perfettoTeCategory)) {
99     internal::perfettoTraceAsyncEnd(*perfettoTeCategory, name, cookie);
100   }
101 }
102 
traceAsyncBeginForTrack(uint64_t category,const char * name,const char * trackName,int32_t cookie)103 void traceAsyncBeginForTrack(uint64_t category, const char* name,
104                              const char* trackName, int32_t cookie) {
105   struct PerfettoTeCategory* perfettoTeCategory =
106       internal::toPerfettoCategory(category);
107 
108   if (internal::shouldPreferAtrace(perfettoTeCategory, category)) {
109     atrace_async_for_track_begin(category, trackName, name, cookie);
110   } else if (internal::isPerfettoCategoryEnabled(perfettoTeCategory)) {
111     internal::perfettoTraceAsyncBeginForTrack(*perfettoTeCategory, name,
112                                               trackName, cookie);
113   }
114 }
115 
traceAsyncEndForTrack(uint64_t category,const char * trackName,int32_t cookie)116 void traceAsyncEndForTrack(uint64_t category, const char* trackName,
117                            int32_t cookie) {
118   struct PerfettoTeCategory* perfettoTeCategory =
119       internal::toPerfettoCategory(category);
120 
121   if (internal::shouldPreferAtrace(perfettoTeCategory, category)) {
122     atrace_async_for_track_end(category, trackName, cookie);
123   } else if (internal::isPerfettoCategoryEnabled(perfettoTeCategory)) {
124     internal::perfettoTraceAsyncEndForTrack(*perfettoTeCategory, trackName,
125                                             cookie);
126   }
127 }
128 
traceInstant(uint64_t category,const char * name)129 void traceInstant(uint64_t category, const char* name) {
130   struct PerfettoTeCategory* perfettoTeCategory =
131       internal::toPerfettoCategory(category);
132 
133   if (internal::shouldPreferAtrace(perfettoTeCategory, category)) {
134     atrace_instant(category, name);
135   } else if (internal::isPerfettoCategoryEnabled(perfettoTeCategory)) {
136     internal::perfettoTraceInstant(*perfettoTeCategory, name);
137   }
138 }
139 
traceFormatInstant(uint64_t category,const char * fmt,...)140 void traceFormatInstant(uint64_t category, const char* fmt, ...) {
141   struct PerfettoTeCategory* perfettoTeCategory =
142       internal::toPerfettoCategory(category);
143   const bool preferAtrace =
144       internal::shouldPreferAtrace(perfettoTeCategory, category);
145   const bool preferPerfetto =
146       internal::isPerfettoCategoryEnabled(perfettoTeCategory);
147   if (CC_LIKELY(!(preferAtrace || preferPerfetto))) {
148     return;
149   }
150 
151   const int BUFFER_SIZE = 256;
152   va_list ap;
153   char buf[BUFFER_SIZE];
154 
155   va_start(ap, fmt);
156   vsnprintf(buf, BUFFER_SIZE, fmt, ap);
157   va_end(ap);
158 
159   if (preferAtrace) {
160     atrace_instant(category, buf);
161   } else if (preferPerfetto) {
162     internal::perfettoTraceInstant(*perfettoTeCategory, buf);
163   }
164 }
165 
traceInstantForTrack(uint64_t category,const char * trackName,const char * name)166 void traceInstantForTrack(uint64_t category, const char* trackName,
167                           const char* name) {
168   struct PerfettoTeCategory* perfettoTeCategory =
169       internal::toPerfettoCategory(category);
170 
171   if (internal::shouldPreferAtrace(perfettoTeCategory, category)) {
172     atrace_instant_for_track(category, trackName, name);
173   } else if (internal::isPerfettoCategoryEnabled(perfettoTeCategory)) {
174     internal::perfettoTraceInstantForTrack(*perfettoTeCategory, trackName, name);
175   }
176 }
177 
traceCounter(uint64_t category,const char * name,int64_t value)178 void traceCounter(uint64_t category, const char* name, int64_t value) {
179   struct PerfettoTeCategory* perfettoTeCategory =
180       internal::toPerfettoCategory(category);
181 
182   if (internal::shouldPreferAtrace(perfettoTeCategory, category)) {
183     atrace_int64(category, name, value);
184   } else if (internal::isPerfettoCategoryEnabled(perfettoTeCategory)) {
185     internal::perfettoTraceCounter(*perfettoTeCategory, name, value);
186   }
187 }
188 
traceCounter32(uint64_t category,const char * name,int32_t value)189 void traceCounter32(uint64_t category, const char* name, int32_t value) {
190   struct PerfettoTeCategory* perfettoTeCategory =
191       internal::toPerfettoCategory(category);
192   if (internal::shouldPreferAtrace(perfettoTeCategory, category)) {
193     atrace_int(category, name, value);
194   } else if (internal::isPerfettoCategoryEnabled(perfettoTeCategory)) {
195     internal::perfettoTraceCounter(*perfettoTeCategory, name,
196                                    static_cast<int64_t>(value));
197   }
198 }
199 
isTagEnabled(uint64_t category)200 bool isTagEnabled(uint64_t category) {
201   struct PerfettoTeCategory* perfettoTeCategory =
202       internal::toPerfettoCategory(category);
203   return internal::isPerfettoCategoryEnabled(perfettoTeCategory) ||
204          atrace_is_tag_enabled(category);
205 }
206 
207 }  // namespace tracing_perfetto
208