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, 30 u64 freq, 31 u64 mperf, 32 u64 aperf, 33 u64 tsc, 34 unsigned int cpu_id, 35 bool changed, 36 bool fast_switch 37 ), 38 39 TP_ARGS(min_perf, 40 target_perf, 41 capacity, 42 freq, 43 mperf, 44 aperf, 45 tsc, 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) 55 __field(unsigned long long, freq) 56 __field(unsigned long long, mperf) 57 __field(unsigned long long, aperf) 58 __field(unsigned long long, tsc) 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; 68 __entry->freq = freq; 69 __entry->mperf = mperf; 70 __entry->aperf = aperf; 71 __entry->tsc = tsc; 72 __entry->cpu_id = cpu_id; 73 __entry->changed = changed; 74 __entry->fast_switch = fast_switch; 75 ), 76 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", 78 (unsigned long)__entry->min_perf, 79 (unsigned long)__entry->target_perf, 80 (unsigned long)__entry->capacity, 81 (unsigned long long)__entry->freq, 82 (unsigned long long)__entry->mperf, 83 (unsigned long long)__entry->aperf, 84 (unsigned long long)__entry->tsc, 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> 98