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
  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>