1 /*
2  * Copyright 2018 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: AMD
23  *
24  */
25 
26 #undef TRACE_SYSTEM
27 #define TRACE_SYSTEM amdgpu_dm
28 
29 #if !defined(_AMDGPU_DM_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
30 #define _AMDGPU_DM_TRACE_H_
31 
32 #include <linux/tracepoint.h>
33 
34 TRACE_EVENT(amdgpu_dc_rreg,
35 	TP_PROTO(unsigned long *read_count, uint32_t reg, uint32_t value),
36 	TP_ARGS(read_count, reg, value),
37 	TP_STRUCT__entry(
38 			__field(uint32_t, reg)
39 			__field(uint32_t, value)
40 		),
41 	TP_fast_assign(
42 			__entry->reg = reg;
43 			__entry->value = value;
44 			*read_count = *read_count + 1;
45 		),
46 	TP_printk("reg=0x%08lx, value=0x%08lx",
47 			(unsigned long)__entry->reg,
48 			(unsigned long)__entry->value)
49 );
50 
51 TRACE_EVENT(amdgpu_dc_wreg,
52 	TP_PROTO(unsigned long *write_count, uint32_t reg, uint32_t value),
53 	TP_ARGS(write_count, reg, value),
54 	TP_STRUCT__entry(
55 			__field(uint32_t, reg)
56 			__field(uint32_t, value)
57 		),
58 	TP_fast_assign(
59 			__entry->reg = reg;
60 			__entry->value = value;
61 			*write_count = *write_count + 1;
62 		),
63 	TP_printk("reg=0x%08lx, value=0x%08lx",
64 			(unsigned long)__entry->reg,
65 			(unsigned long)__entry->value)
66 );
67 
68 
69 TRACE_EVENT(amdgpu_dc_performance,
70 	TP_PROTO(unsigned long read_count, unsigned long write_count,
71 		unsigned long *last_read, unsigned long *last_write,
72 		const char *func, unsigned int line),
73 	TP_ARGS(read_count, write_count, last_read, last_write, func, line),
74 	TP_STRUCT__entry(
75 			__field(uint32_t, reads)
76 			__field(uint32_t, writes)
77 			__field(uint32_t, read_delta)
78 			__field(uint32_t, write_delta)
79 			__string(func, func)
80 			__field(uint32_t, line)
81 			),
82 	TP_fast_assign(
83 			__entry->reads = read_count;
84 			__entry->writes = write_count;
85 			__entry->read_delta = read_count - *last_read;
86 			__entry->write_delta = write_count - *last_write;
87 			__assign_str(func, func);
88 			__entry->line = line;
89 			*last_read = read_count;
90 			*last_write = write_count;
91 			),
92 	TP_printk("%s:%d reads=%08ld (%08ld total), writes=%08ld (%08ld total)",
93 			__get_str(func), __entry->line,
94 			(unsigned long)__entry->read_delta,
95 			(unsigned long)__entry->reads,
96 			(unsigned long)__entry->write_delta,
97 			(unsigned long)__entry->writes)
98 );
99 #endif /* _AMDGPU_DM_TRACE_H_ */
100 
101 #undef TRACE_INCLUDE_PATH
102 #define TRACE_INCLUDE_PATH .
103 #define TRACE_INCLUDE_FILE amdgpu_dm_trace
104 #include <trace/define_trace.h>
105