1 /*
2  * Copyright (C) 2012 Google, Inc.
3  *
4  * This software is licensed under the terms of the GNU General Public
5  * License version 2, as published by the Free Software Foundation, and
6  * may be copied, distributed, and modified under those terms.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11  * GNU General Public License for more details.
12  *
13  */
14 
15 #undef TRACE_SYSTEM
16 #define TRACE_SYSTEM binder
17 
18 #if !defined(_BINDER_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
19 #define _BINDER_TRACE_H
20 
21 #include <linux/tracepoint.h>
22 
23 struct binder_buffer;
24 struct binder_node;
25 struct binder_proc;
26 struct binder_ref;
27 struct binder_thread;
28 struct binder_transaction;
29 
30 TRACE_EVENT(binder_ioctl,
31 	TP_PROTO(unsigned int cmd, unsigned long arg),
32 	TP_ARGS(cmd, arg),
33 
34 	TP_STRUCT__entry(
35 		__field(unsigned int, cmd)
36 		__field(unsigned long, arg)
37 	),
38 	TP_fast_assign(
39 		__entry->cmd = cmd;
40 		__entry->arg = arg;
41 	),
42 	TP_printk("cmd=0x%x arg=0x%lx", __entry->cmd, __entry->arg)
43 );
44 
45 DECLARE_EVENT_CLASS(binder_lock_class,
46 	TP_PROTO(const char *tag),
47 	TP_ARGS(tag),
48 	TP_STRUCT__entry(
49 		__field(const char *, tag)
50 	),
51 	TP_fast_assign(
52 		__entry->tag = tag;
53 	),
54 	TP_printk("tag=%s", __entry->tag)
55 );
56 
57 #define DEFINE_BINDER_LOCK_EVENT(name)	\
58 DEFINE_EVENT(binder_lock_class, name,	\
59 	TP_PROTO(const char *func), \
60 	TP_ARGS(func))
61 
62 DEFINE_BINDER_LOCK_EVENT(binder_lock);
63 DEFINE_BINDER_LOCK_EVENT(binder_locked);
64 DEFINE_BINDER_LOCK_EVENT(binder_unlock);
65 
66 DECLARE_EVENT_CLASS(binder_function_return_class,
67 	TP_PROTO(int ret),
68 	TP_ARGS(ret),
69 	TP_STRUCT__entry(
70 		__field(int, ret)
71 	),
72 	TP_fast_assign(
73 		__entry->ret = ret;
74 	),
75 	TP_printk("ret=%d", __entry->ret)
76 );
77 
78 #define DEFINE_BINDER_FUNCTION_RETURN_EVENT(name)	\
79 DEFINE_EVENT(binder_function_return_class, name,	\
80 	TP_PROTO(int ret), \
81 	TP_ARGS(ret))
82 
83 DEFINE_BINDER_FUNCTION_RETURN_EVENT(binder_ioctl_done);
84 DEFINE_BINDER_FUNCTION_RETURN_EVENT(binder_write_done);
85 DEFINE_BINDER_FUNCTION_RETURN_EVENT(binder_read_done);
86 
87 TRACE_EVENT(binder_wait_for_work,
88 	TP_PROTO(bool proc_work, bool transaction_stack, bool thread_todo),
89 	TP_ARGS(proc_work, transaction_stack, thread_todo),
90 
91 	TP_STRUCT__entry(
92 		__field(bool, proc_work)
93 		__field(bool, transaction_stack)
94 		__field(bool, thread_todo)
95 	),
96 	TP_fast_assign(
97 		__entry->proc_work = proc_work;
98 		__entry->transaction_stack = transaction_stack;
99 		__entry->thread_todo = thread_todo;
100 	),
101 	TP_printk("proc_work=%d transaction_stack=%d thread_todo=%d",
102 		  __entry->proc_work, __entry->transaction_stack,
103 		  __entry->thread_todo)
104 );
105 
106 TRACE_EVENT(binder_transaction,
107 	TP_PROTO(bool reply, struct binder_transaction *t,
108 		 struct binder_node *target_node),
109 	TP_ARGS(reply, t, target_node),
110 	TP_STRUCT__entry(
111 		__field(int, debug_id)
112 		__field(int, target_node)
113 		__field(int, to_proc)
114 		__field(int, to_thread)
115 		__field(int, reply)
116 		__field(unsigned int, code)
117 		__field(unsigned int, flags)
118 	),
119 	TP_fast_assign(
120 		__entry->debug_id = t->debug_id;
121 		__entry->target_node = target_node ? target_node->debug_id : 0;
122 		__entry->to_proc = t->to_proc->pid;
123 		__entry->to_thread = t->to_thread ? t->to_thread->pid : 0;
124 		__entry->reply = reply;
125 		__entry->code = t->code;
126 		__entry->flags = t->flags;
127 	),
128 	TP_printk("transaction=%d dest_node=%d dest_proc=%d dest_thread=%d reply=%d flags=0x%x code=0x%x",
129 		  __entry->debug_id, __entry->target_node,
130 		  __entry->to_proc, __entry->to_thread,
131 		  __entry->reply, __entry->flags, __entry->code)
132 );
133 
134 TRACE_EVENT(binder_transaction_received,
135 	TP_PROTO(struct binder_transaction *t),
136 	TP_ARGS(t),
137 
138 	TP_STRUCT__entry(
139 		__field(int, debug_id)
140 	),
141 	TP_fast_assign(
142 		__entry->debug_id = t->debug_id;
143 	),
144 	TP_printk("transaction=%d", __entry->debug_id)
145 );
146 
147 TRACE_EVENT(binder_transaction_node_to_ref,
148 	TP_PROTO(struct binder_transaction *t, struct binder_node *node,
149 		 struct binder_ref *ref),
150 	TP_ARGS(t, node, ref),
151 
152 	TP_STRUCT__entry(
153 		__field(int, debug_id)
154 		__field(int, node_debug_id)
155 		__field(binder_uintptr_t, node_ptr)
156 		__field(int, ref_debug_id)
157 		__field(uint32_t, ref_desc)
158 	),
159 	TP_fast_assign(
160 		__entry->debug_id = t->debug_id;
161 		__entry->node_debug_id = node->debug_id;
162 		__entry->node_ptr = node->ptr;
163 		__entry->ref_debug_id = ref->debug_id;
164 		__entry->ref_desc = ref->desc;
165 	),
166 	TP_printk("transaction=%d node=%d src_ptr=0x%016llx ==> dest_ref=%d dest_desc=%d",
167 		  __entry->debug_id, __entry->node_debug_id,
168 		  (u64)__entry->node_ptr,
169 		  __entry->ref_debug_id, __entry->ref_desc)
170 );
171 
172 TRACE_EVENT(binder_transaction_ref_to_node,
173 	TP_PROTO(struct binder_transaction *t, struct binder_ref *ref),
174 	TP_ARGS(t, ref),
175 
176 	TP_STRUCT__entry(
177 		__field(int, debug_id)
178 		__field(int, ref_debug_id)
179 		__field(uint32_t, ref_desc)
180 		__field(int, node_debug_id)
181 		__field(binder_uintptr_t, node_ptr)
182 	),
183 	TP_fast_assign(
184 		__entry->debug_id = t->debug_id;
185 		__entry->ref_debug_id = ref->debug_id;
186 		__entry->ref_desc = ref->desc;
187 		__entry->node_debug_id = ref->node->debug_id;
188 		__entry->node_ptr = ref->node->ptr;
189 	),
190 	TP_printk("transaction=%d node=%d src_ref=%d src_desc=%d ==> dest_ptr=0x%016llx",
191 		  __entry->debug_id, __entry->node_debug_id,
192 		  __entry->ref_debug_id, __entry->ref_desc,
193 		  (u64)__entry->node_ptr)
194 );
195 
196 TRACE_EVENT(binder_transaction_ref_to_ref,
197 	TP_PROTO(struct binder_transaction *t, struct binder_ref *src_ref,
198 		 struct binder_ref *dest_ref),
199 	TP_ARGS(t, src_ref, dest_ref),
200 
201 	TP_STRUCT__entry(
202 		__field(int, debug_id)
203 		__field(int, node_debug_id)
204 		__field(int, src_ref_debug_id)
205 		__field(uint32_t, src_ref_desc)
206 		__field(int, dest_ref_debug_id)
207 		__field(uint32_t, dest_ref_desc)
208 	),
209 	TP_fast_assign(
210 		__entry->debug_id = t->debug_id;
211 		__entry->node_debug_id = src_ref->node->debug_id;
212 		__entry->src_ref_debug_id = src_ref->debug_id;
213 		__entry->src_ref_desc = src_ref->desc;
214 		__entry->dest_ref_debug_id = dest_ref->debug_id;
215 		__entry->dest_ref_desc = dest_ref->desc;
216 	),
217 	TP_printk("transaction=%d node=%d src_ref=%d src_desc=%d ==> dest_ref=%d dest_desc=%d",
218 		  __entry->debug_id, __entry->node_debug_id,
219 		  __entry->src_ref_debug_id, __entry->src_ref_desc,
220 		  __entry->dest_ref_debug_id, __entry->dest_ref_desc)
221 );
222 
223 TRACE_EVENT(binder_transaction_fd,
224 	TP_PROTO(struct binder_transaction *t, int src_fd, int dest_fd),
225 	TP_ARGS(t, src_fd, dest_fd),
226 
227 	TP_STRUCT__entry(
228 		__field(int, debug_id)
229 		__field(int, src_fd)
230 		__field(int, dest_fd)
231 	),
232 	TP_fast_assign(
233 		__entry->debug_id = t->debug_id;
234 		__entry->src_fd = src_fd;
235 		__entry->dest_fd = dest_fd;
236 	),
237 	TP_printk("transaction=%d src_fd=%d ==> dest_fd=%d",
238 		  __entry->debug_id, __entry->src_fd, __entry->dest_fd)
239 );
240 
241 DECLARE_EVENT_CLASS(binder_buffer_class,
242 	TP_PROTO(struct binder_buffer *buf),
243 	TP_ARGS(buf),
244 	TP_STRUCT__entry(
245 		__field(int, debug_id)
246 		__field(size_t, data_size)
247 		__field(size_t, offsets_size)
248 	),
249 	TP_fast_assign(
250 		__entry->debug_id = buf->debug_id;
251 		__entry->data_size = buf->data_size;
252 		__entry->offsets_size = buf->offsets_size;
253 	),
254 	TP_printk("transaction=%d data_size=%zd offsets_size=%zd",
255 		  __entry->debug_id, __entry->data_size, __entry->offsets_size)
256 );
257 
258 DEFINE_EVENT(binder_buffer_class, binder_transaction_alloc_buf,
259 	TP_PROTO(struct binder_buffer *buffer),
260 	TP_ARGS(buffer));
261 
262 DEFINE_EVENT(binder_buffer_class, binder_transaction_buffer_release,
263 	TP_PROTO(struct binder_buffer *buffer),
264 	TP_ARGS(buffer));
265 
266 DEFINE_EVENT(binder_buffer_class, binder_transaction_failed_buffer_release,
267 	TP_PROTO(struct binder_buffer *buffer),
268 	TP_ARGS(buffer));
269 
270 TRACE_EVENT(binder_update_page_range,
271 	TP_PROTO(struct binder_proc *proc, bool allocate,
272 		 void *start, void *end),
273 	TP_ARGS(proc, allocate, start, end),
274 	TP_STRUCT__entry(
275 		__field(int, proc)
276 		__field(bool, allocate)
277 		__field(size_t, offset)
278 		__field(size_t, size)
279 	),
280 	TP_fast_assign(
281 		__entry->proc = proc->pid;
282 		__entry->allocate = allocate;
283 		__entry->offset = start - proc->buffer;
284 		__entry->size = end - start;
285 	),
286 	TP_printk("proc=%d allocate=%d offset=%zu size=%zu",
287 		  __entry->proc, __entry->allocate,
288 		  __entry->offset, __entry->size)
289 );
290 
291 TRACE_EVENT(binder_command,
292 	TP_PROTO(uint32_t cmd),
293 	TP_ARGS(cmd),
294 	TP_STRUCT__entry(
295 		__field(uint32_t, cmd)
296 	),
297 	TP_fast_assign(
298 		__entry->cmd = cmd;
299 	),
300 	TP_printk("cmd=0x%x %s",
301 		  __entry->cmd,
302 		  _IOC_NR(__entry->cmd) < ARRAY_SIZE(binder_command_strings) ?
303 			  binder_command_strings[_IOC_NR(__entry->cmd)] :
304 			  "unknown")
305 );
306 
307 TRACE_EVENT(binder_return,
308 	TP_PROTO(uint32_t cmd),
309 	TP_ARGS(cmd),
310 	TP_STRUCT__entry(
311 		__field(uint32_t, cmd)
312 	),
313 	TP_fast_assign(
314 		__entry->cmd = cmd;
315 	),
316 	TP_printk("cmd=0x%x %s",
317 		  __entry->cmd,
318 		  _IOC_NR(__entry->cmd) < ARRAY_SIZE(binder_return_strings) ?
319 			  binder_return_strings[_IOC_NR(__entry->cmd)] :
320 			  "unknown")
321 );
322 
323 #endif /* _BINDER_TRACE_H */
324 
325 #undef TRACE_INCLUDE_PATH
326 #undef TRACE_INCLUDE_FILE
327 #define TRACE_INCLUDE_PATH .
328 #define TRACE_INCLUDE_FILE binder_trace
329 #include <trace/define_trace.h>
330