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1 /*
2  * Copyright © 2021 Collabora, Ltd.
3  * Author: Antonio Caggiano <antonio.caggiano@collabora.com>
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a copy
6  * of this software and associated documentation files (the "Software"), to deal
7  * in the Software without restriction, including without limitation the rights
8  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9  * copies of the Software, and to permit persons to whom the Software is
10  * furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in
13  * all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
21  * THE SOFTWARE.
22  */
23 
24 #ifndef PAN_PERF_H
25 #define PAN_PERF_H
26 
27 #include <stdint.h>
28 
29 #if defined(__cplusplus)
30 extern "C" {
31 #endif
32 
33 #define PAN_PERF_MAX_CATEGORIES 4
34 #define PAN_PERF_MAX_COUNTERS 64
35 
36 struct panfrost_device;
37 struct panfrost_perf_category;
38 struct panfrost_perf;
39 
40 enum panfrost_perf_counter_units {
41    PAN_PERF_COUNTER_UNITS_CYCLES,
42    PAN_PERF_COUNTER_UNITS_JOBS,
43    PAN_PERF_COUNTER_UNITS_TASKS,
44    PAN_PERF_COUNTER_UNITS_PRIMITIVES,
45    PAN_PERF_COUNTER_UNITS_BEATS,
46    PAN_PERF_COUNTER_UNITS_REQUESTS,
47    PAN_PERF_COUNTER_UNITS_WARPS,
48    PAN_PERF_COUNTER_UNITS_QUADS,
49    PAN_PERF_COUNTER_UNITS_TILES,
50    PAN_PERF_COUNTER_UNITS_INSTRUCTIONS,
51    PAN_PERF_COUNTER_UNITS_TRANSACTIONS,
52    PAN_PERF_COUNTER_UNITS_THREADS,
53    PAN_PERF_COUNTER_UNITS_BYTES,
54    PAN_PERF_COUNTER_UNITS_PIXELS,
55    PAN_PERF_COUNTER_UNITS_ISSUES,
56 };
57 
58 struct panfrost_perf_counter {
59    const char *name;
60    const char *desc;
61    const char *symbol_name;
62    enum panfrost_perf_counter_units units;
63    // Offset of this counter's value within the category
64    uint32_t offset;
65    unsigned category_index;
66 };
67 
68 struct panfrost_perf_category {
69    const char *name;
70 
71    struct panfrost_perf_counter counters[PAN_PERF_MAX_COUNTERS];
72    uint32_t n_counters;
73 
74    /* Offset of this category within the counters memory block */
75    unsigned offset;
76 };
77 
78 struct panfrost_perf_config {
79    const char *name;
80 
81    struct panfrost_perf_category categories[PAN_PERF_MAX_CATEGORIES];
82    uint32_t n_categories;
83 };
84 
85 struct panfrost_perf {
86    struct panfrost_device *dev;
87 
88    const struct panfrost_perf_config* cfg;
89 
90    // Memory where to dump counter values
91    uint32_t *counter_values;
92    uint32_t n_counter_values;
93 
94    /* Offsets of categories */
95    unsigned category_offset[PAN_PERF_MAX_CATEGORIES];
96 };
97 
98 uint32_t
99 panfrost_perf_counter_read(const struct panfrost_perf_counter *counter,
100             const struct panfrost_perf *perf);
101 
102 void
103 panfrost_perf_init(struct panfrost_perf *perf, struct panfrost_device *dev);
104 
105 int
106 panfrost_perf_enable(struct panfrost_perf *perf);
107 
108 int
109 panfrost_perf_disable(struct panfrost_perf *perf);
110 
111 int
112 panfrost_perf_dump(struct panfrost_perf *perf);
113 
114 #if defined(__cplusplus)
115 } // extern "C"
116 #endif
117 
118 #endif // PAN_PERF_H
119