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1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* | |
3 | * amd-pstate-trace.h - AMD Processor P-state Frequency Driver Tracer | |
4 | * | |
5 | * Copyright (C) 2021 Advanced Micro Devices, Inc. All Rights Reserved. | |
6 | * | |
7 | * Author: Huang Rui <ray.huang@amd.com> | |
8 | */ | |
9 | ||
10 | #if !defined(_AMD_PSTATE_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) | |
11 | #define _AMD_PSTATE_TRACE_H | |
12 | ||
13 | #include <linux/cpufreq.h> | |
14 | #include <linux/tracepoint.h> | |
15 | #include <linux/trace_events.h> | |
16 | ||
17 | #undef TRACE_SYSTEM | |
18 | #define TRACE_SYSTEM amd_cpu | |
19 | ||
20 | #undef TRACE_INCLUDE_FILE | |
21 | #define TRACE_INCLUDE_FILE amd-pstate-trace | |
22 | ||
23 | #define TPS(x) tracepoint_string(x) | |
24 | ||
25 | TRACE_EVENT(amd_pstate_perf, | |
26 | ||
27 | TP_PROTO(unsigned long min_perf, | |
28 | unsigned long target_perf, | |
29 | unsigned long capacity, | |
23c296fb JS |
30 | u64 freq, |
31 | u64 mperf, | |
32 | u64 aperf, | |
33 | u64 tsc, | |
60e10f89 HR |
34 | unsigned int cpu_id, |
35 | bool changed, | |
36 | bool fast_switch | |
37 | ), | |
38 | ||
39 | TP_ARGS(min_perf, | |
40 | target_perf, | |
41 | capacity, | |
23c296fb JS |
42 | freq, |
43 | mperf, | |
44 | aperf, | |
45 | tsc, | |
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46 | cpu_id, |
47 | changed, | |
48 | fast_switch | |
49 | ), | |
50 | ||
51 | TP_STRUCT__entry( | |
52 | __field(unsigned long, min_perf) | |
53 | __field(unsigned long, target_perf) | |
54 | __field(unsigned long, capacity) | |
23c296fb JS |
55 | __field(unsigned long long, freq) |
56 | __field(unsigned long long, mperf) | |
57 | __field(unsigned long long, aperf) | |
58 | __field(unsigned long long, tsc) | |
60e10f89 HR |
59 | __field(unsigned int, cpu_id) |
60 | __field(bool, changed) | |
61 | __field(bool, fast_switch) | |
62 | ), | |
63 | ||
64 | TP_fast_assign( | |
65 | __entry->min_perf = min_perf; | |
66 | __entry->target_perf = target_perf; | |
67 | __entry->capacity = capacity; | |
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68 | __entry->freq = freq; |
69 | __entry->mperf = mperf; | |
70 | __entry->aperf = aperf; | |
71 | __entry->tsc = tsc; | |
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72 | __entry->cpu_id = cpu_id; |
73 | __entry->changed = changed; | |
74 | __entry->fast_switch = fast_switch; | |
75 | ), | |
76 | ||
23c296fb | 77 | TP_printk("amd_min_perf=%lu amd_des_perf=%lu amd_max_perf=%lu freq=%llu mperf=%llu aperf=%llu tsc=%llu cpu_id=%u changed=%s fast_switch=%s", |
60e10f89 HR |
78 | (unsigned long)__entry->min_perf, |
79 | (unsigned long)__entry->target_perf, | |
80 | (unsigned long)__entry->capacity, | |
23c296fb JS |
81 | (unsigned long long)__entry->freq, |
82 | (unsigned long long)__entry->mperf, | |
83 | (unsigned long long)__entry->aperf, | |
84 | (unsigned long long)__entry->tsc, | |
60e10f89 HR |
85 | (unsigned int)__entry->cpu_id, |
86 | (__entry->changed) ? "true" : "false", | |
87 | (__entry->fast_switch) ? "true" : "false" | |
88 | ) | |
89 | ); | |
90 | ||
91 | #endif /* _AMD_PSTATE_TRACE_H */ | |
92 | ||
93 | /* This part must be outside protection */ | |
94 | #undef TRACE_INCLUDE_PATH | |
95 | #define TRACE_INCLUDE_PATH . | |
96 | ||
97 | #include <trace/define_trace.h> |