| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | /* |
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| 3 | * amd-pstate-trace.h - AMD Processor P-state Frequency Driver Tracer |
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| 4 | * |
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| 5 | * Copyright (C) 2021 Advanced Micro Devices, Inc. All Rights Reserved. |
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| 6 | * |
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| 7 | * Author: Huang Rui <ray.huang@amd.com> |
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| 8 | */ |
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| 9 | |
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| 10 | #if !defined(_AMD_PSTATE_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) |
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| 11 | #define _AMD_PSTATE_TRACE_H |
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| 12 | |
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| 13 | #include <linux/cpufreq.h> |
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| 14 | #include <linux/tracepoint.h> |
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| 15 | #include <linux/trace_events.h> |
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| 16 | |
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| 17 | #undef TRACE_SYSTEM |
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| 18 | #define TRACE_SYSTEM amd_cpu |
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| 19 | |
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| 20 | #undef TRACE_INCLUDE_FILE |
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| 21 | #define TRACE_INCLUDE_FILE amd-pstate-trace |
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| 22 | |
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| 23 | #define TPS(x) tracepoint_string(x) |
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| 24 | |
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| 25 | TRACE_EVENT(amd_pstate_perf, |
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| 26 | |
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| 27 | TP_PROTO(unsigned long min_perf, |
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| 28 | unsigned long target_perf, |
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| 29 | unsigned long capacity, |
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| 30 | u64 freq, |
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| 31 | u64 mperf, |
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| 32 | u64 aperf, |
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| 33 | u64 tsc, |
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| 34 | unsigned int cpu_id, |
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| 35 | bool changed, |
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| 36 | bool fast_switch |
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| 37 | ), |
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| 38 | |
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| 39 | TP_ARGS(min_perf, |
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| 40 | target_perf, |
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| 41 | capacity, |
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| 42 | freq, |
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| 43 | mperf, |
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| 44 | aperf, |
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| 45 | tsc, |
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| 46 | cpu_id, |
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| 47 | changed, |
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| 48 | fast_switch |
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| 49 | ), |
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| 50 | |
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| 51 | TP_STRUCT__entry( |
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| 52 | __field(unsigned long, min_perf) |
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| 53 | __field(unsigned long, target_perf) |
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| 54 | __field(unsigned long, capacity) |
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| 55 | __field(unsigned long long, freq) |
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| 56 | __field(unsigned long long, mperf) |
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| 57 | __field(unsigned long long, aperf) |
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| 58 | __field(unsigned long long, tsc) |
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| 59 | __field(unsigned int, cpu_id) |
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| 60 | __field(bool, changed) |
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| 61 | __field(bool, fast_switch) |
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| 62 | ), |
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| 63 | |
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| 64 | TP_fast_assign( |
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| 65 | __entry->min_perf = min_perf; |
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| 66 | __entry->target_perf = target_perf; |
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| 67 | __entry->capacity = capacity; |
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| 68 | __entry->freq = freq; |
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| 69 | __entry->mperf = mperf; |
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| 70 | __entry->aperf = aperf; |
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| 71 | __entry->tsc = tsc; |
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| 72 | __entry->cpu_id = cpu_id; |
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| 73 | __entry->changed = changed; |
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| 74 | __entry->fast_switch = fast_switch; |
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| 75 | ), |
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| 76 | |
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| 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" , |
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| 78 | (unsigned long)__entry->min_perf, |
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| 79 | (unsigned long)__entry->target_perf, |
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| 80 | (unsigned long)__entry->capacity, |
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| 81 | (unsigned long long)__entry->freq, |
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| 82 | (unsigned long long)__entry->mperf, |
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| 83 | (unsigned long long)__entry->aperf, |
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| 84 | (unsigned long long)__entry->tsc, |
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| 85 | (unsigned int)__entry->cpu_id, |
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| 86 | (__entry->changed) ? "true" : "false" , |
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| 87 | (__entry->fast_switch) ? "true" : "false" |
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| 88 | ) |
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| 89 | ); |
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| 90 | |
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| 91 | #endif /* _AMD_PSTATE_TRACE_H */ |
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| 92 | |
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| 93 | /* This part must be outside protection */ |
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| 94 | #undef TRACE_INCLUDE_PATH |
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| 95 | #define TRACE_INCLUDE_PATH . |
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| 96 | |
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| 97 | #include <trace/define_trace.h> |
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| 98 | |
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