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 DECLARE_EVENT_CLASS(amdgpu_dc_reg_template, 35 TP_PROTO(unsigned long *count, uint32_t reg, uint32_t value), 36 TP_ARGS(count, reg, value), 37 38 TP_STRUCT__entry( 39 __field(uint32_t, reg) 40 __field(uint32_t, value) 41 ), 42 43 TP_fast_assign( 44 __entry->reg = reg; 45 __entry->value = value; 46 *count = *count + 1; 47 ), 48 49 TP_printk("reg=0x%08lx, value=0x%08lx", 50 (unsigned long)__entry->reg, 51 (unsigned long)__entry->value) 52 ); 53 54 DEFINE_EVENT(amdgpu_dc_reg_template, amdgpu_dc_rreg, 55 TP_PROTO(unsigned long *count, uint32_t reg, uint32_t value), 56 TP_ARGS(count, reg, value)); 57 58 DEFINE_EVENT(amdgpu_dc_reg_template, amdgpu_dc_wreg, 59 TP_PROTO(unsigned long *count, uint32_t reg, uint32_t value), 60 TP_ARGS(count, reg, value)); 61 62 TRACE_EVENT(amdgpu_dc_performance, 63 TP_PROTO(unsigned long read_count, unsigned long write_count, 64 unsigned long *last_read, unsigned long *last_write, 65 const char *func, unsigned int line), 66 TP_ARGS(read_count, write_count, last_read, last_write, func, line), 67 TP_STRUCT__entry( 68 __field(uint32_t, reads) 69 __field(uint32_t, writes) 70 __field(uint32_t, read_delta) 71 __field(uint32_t, write_delta) 72 __string(func, func) 73 __field(uint32_t, line) 74 ), 75 TP_fast_assign( 76 __entry->reads = read_count; 77 __entry->writes = write_count; 78 __entry->read_delta = read_count - *last_read; 79 __entry->write_delta = write_count - *last_write; 80 __assign_str(func, func); 81 __entry->line = line; 82 *last_read = read_count; 83 *last_write = write_count; 84 ), 85 TP_printk("%s:%d reads=%08ld (%08ld total), writes=%08ld (%08ld total)", 86 __get_str(func), __entry->line, 87 (unsigned long)__entry->read_delta, 88 (unsigned long)__entry->reads, 89 (unsigned long)__entry->write_delta, 90 (unsigned long)__entry->writes) 91 ); 92 #endif /* _AMDGPU_DM_TRACE_H_ */ 93 94 #undef TRACE_INCLUDE_PATH 95 #define TRACE_INCLUDE_PATH . 96 #define TRACE_INCLUDE_FILE amdgpu_dm_trace 97 #include <trace/define_trace.h> 98