LXR linux/drivers/cpufreq/amd-pstate-trace.h

   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
  25TRACE_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