drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_trace.h

   1 /*
   2  * Copyright 2018 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * Authors: AMD
  23  *
  24  */
  25
  26 #undef TRACE_SYSTEM
  27 #define TRACE_SYSTEM amdgpu_dm
  28
  29 #if !defined(_AMDGPU_DM_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
  30 #define _AMDGPU_DM_TRACE_H_
  31
  32 #include <linux/tracepoint.h>
  33
  34 TRACE_EVENT(amdgpu_dc_rreg,
  35         TP_PROTO(unsigned long *read_count, uint32_t reg, uint32_t value),
  36         TP_ARGS(read_count, reg, value),
  37         TP_STRUCT__entry(
  38                         __field(uint32_t, reg)
  39                         __field(uint32_t, value)
  40                 ),
  41         TP_fast_assign(
  42                         __entry->reg = reg;
  43                         __entry->value = value;
  44                         *read_count = *read_count + 1;
  45                 ),
  46         TP_printk("reg=0x%08lx, value=0x%08lx",
  47                         (unsigned long)__entry->reg,
  48                         (unsigned long)__entry->value)
  49 );
  50
  51 TRACE_EVENT(amdgpu_dc_wreg,
  52         TP_PROTO(unsigned long *write_count, uint32_t reg, uint32_t value),
  53         TP_ARGS(write_count, reg, value),
  54         TP_STRUCT__entry(
  55                         __field(uint32_t, reg)
  56                         __field(uint32_t, value)
  57                 ),
  58         TP_fast_assign(
  59                         __entry->reg = reg;
  60                         __entry->value = value;
  61                         *write_count = *write_count + 1;
  62                 ),
  63         TP_printk("reg=0x%08lx, value=0x%08lx",
  64                         (unsigned long)__entry->reg,
  65                         (unsigned long)__entry->value)
  66 );
  67
  68
  69 TRACE_EVENT(amdgpu_dc_performance,
  70         TP_PROTO(unsigned long read_count, unsigned long write_count,
  71                 unsigned long *last_read, unsigned long *last_write,
  72                 const char *func, unsigned int line),
  73         TP_ARGS(read_count, write_count, last_read, last_write, func, line),
  74         TP_STRUCT__entry(
  75                         __field(uint32_t, reads)
  76                         __field(uint32_t, writes)
  77                         __field(uint32_t, read_delta)
  78                         __field(uint32_t, write_delta)
  79                         __string(func, func)
  80                         __field(uint32_t, line)
  81                         ),
  82         TP_fast_assign(
  83                         __entry->reads = read_count;
  84                         __entry->writes = write_count;
  85                         __entry->read_delta = read_count - *last_read;
  86                         __entry->write_delta = write_count - *last_write;
  87                         __assign_str(func, func);
  88                         __entry->line = line;
  89                         *last_read = read_count;
  90                         *last_write = write_count;
  91                         ),
  92         TP_printk("%s:%d reads=%08ld (%08ld total), writes=%08ld (%08ld total)",
  93                         __get_str(func), __entry->line,
  94                         (unsigned long)__entry->read_delta,
  95                         (unsigned long)__entry->reads,
  96                         (unsigned long)__entry->write_delta,
  97                         (unsigned long)__entry->writes)
  98 );
  99 #endif /* _AMDGPU_DM_TRACE_H_ */
 100
 101 #undef TRACE_INCLUDE_PATH
 102 #define TRACE_INCLUDE_PATH .
 103 #define TRACE_INCLUDE_FILE amdgpu_dm_trace
 104 #include <trace/define_trace.h>