1 #ifndef __PERF_ANNOTATE_H 2 #define __PERF_ANNOTATE_H 3 4 #include <stdbool.h> 5 #include <stdint.h> 6 #include <linux/types.h> 7 #include "symbol.h" 8 #include "hist.h" 9 #include "sort.h" 10 #include <linux/list.h> 11 #include <linux/rbtree.h> 12 #include <pthread.h> 13 14 struct ins; 15 16 struct ins_operands { 17 char *raw; 18 struct { 19 char *raw; 20 char *name; 21 u64 addr; 22 u64 offset; 23 } target; 24 union { 25 struct { 26 char *raw; 27 char *name; 28 u64 addr; 29 } source; 30 struct { 31 struct ins *ins; 32 struct ins_operands *ops; 33 } locked; 34 }; 35 }; 36 37 struct ins_ops { 38 void (*free)(struct ins_operands *ops); 39 int (*parse)(struct ins_operands *ops); 40 int (*scnprintf)(struct ins *ins, char *bf, size_t size, 41 struct ins_operands *ops); 42 }; 43 44 struct ins { 45 const char *name; 46 struct ins_ops *ops; 47 }; 48 49 bool ins__is_jump(const struct ins *ins); 50 bool ins__is_call(const struct ins *ins); 51 int ins__scnprintf(struct ins *ins, char *bf, size_t size, struct ins_operands *ops); 52 53 struct annotation; 54 55 struct disasm_line { 56 struct list_head node; 57 s64 offset; 58 char *line; 59 char *name; 60 struct ins *ins; 61 int line_nr; 62 float ipc; 63 u64 cycles; 64 struct ins_operands ops; 65 }; 66 67 static inline bool disasm_line__has_offset(const struct disasm_line *dl) 68 { 69 return dl->ops.target.offset != UINT64_MAX; 70 } 71 72 void disasm_line__free(struct disasm_line *dl); 73 struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos); 74 int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw); 75 size_t disasm__fprintf(struct list_head *head, FILE *fp); 76 double disasm__calc_percent(struct annotation *notes, int evidx, s64 offset, 77 s64 end, const char **path, u64 *nr_samples); 78 79 struct sym_hist { 80 u64 sum; 81 u64 addr[0]; 82 }; 83 84 struct cyc_hist { 85 u64 start; 86 u64 cycles; 87 u64 cycles_aggr; 88 u32 num; 89 u32 num_aggr; 90 u8 have_start; 91 /* 1 byte padding */ 92 u16 reset; 93 }; 94 95 struct source_line_samples { 96 double percent; 97 double percent_sum; 98 double nr; 99 }; 100 101 struct source_line { 102 struct rb_node node; 103 char *path; 104 int nr_pcnt; 105 struct source_line_samples samples[1]; 106 }; 107 108 /** struct annotated_source - symbols with hits have this attached as in sannotation 109 * 110 * @histogram: Array of addr hit histograms per event being monitored 111 * @lines: If 'print_lines' is specified, per source code line percentages 112 * @source: source parsed from a disassembler like objdump -dS 113 * @cyc_hist: Average cycles per basic block 114 * 115 * lines is allocated, percentages calculated and all sorted by percentage 116 * when the annotation is about to be presented, so the percentages are for 117 * one of the entries in the histogram array, i.e. for the event/counter being 118 * presented. It is deallocated right after symbol__{tui,tty,etc}_annotate 119 * returns. 120 */ 121 struct annotated_source { 122 struct list_head source; 123 struct source_line *lines; 124 int nr_histograms; 125 int sizeof_sym_hist; 126 struct cyc_hist *cycles_hist; 127 struct sym_hist histograms[0]; 128 }; 129 130 struct annotation { 131 pthread_mutex_t lock; 132 struct annotated_source *src; 133 }; 134 135 static inline struct sym_hist *annotation__histogram(struct annotation *notes, int idx) 136 { 137 return (((void *)¬es->src->histograms) + 138 (notes->src->sizeof_sym_hist * idx)); 139 } 140 141 static inline struct annotation *symbol__annotation(struct symbol *sym) 142 { 143 return (void *)sym - symbol_conf.priv_size; 144 } 145 146 int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, int evidx); 147 148 int addr_map_symbol__account_cycles(struct addr_map_symbol *ams, 149 struct addr_map_symbol *start, 150 unsigned cycles); 151 152 int hist_entry__inc_addr_samples(struct hist_entry *he, int evidx, u64 addr); 153 154 int symbol__alloc_hist(struct symbol *sym); 155 void symbol__annotate_zero_histograms(struct symbol *sym); 156 157 int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize); 158 159 int hist_entry__annotate(struct hist_entry *he, size_t privsize); 160 161 int symbol__annotate_init(struct map *map __maybe_unused, struct symbol *sym); 162 int symbol__annotate_printf(struct symbol *sym, struct map *map, 163 struct perf_evsel *evsel, bool full_paths, 164 int min_pcnt, int max_lines, int context); 165 void symbol__annotate_zero_histogram(struct symbol *sym, int evidx); 166 void symbol__annotate_decay_histogram(struct symbol *sym, int evidx); 167 void disasm__purge(struct list_head *head); 168 169 bool ui__has_annotation(void); 170 171 int symbol__tty_annotate(struct symbol *sym, struct map *map, 172 struct perf_evsel *evsel, bool print_lines, 173 bool full_paths, int min_pcnt, int max_lines); 174 175 #ifdef HAVE_SLANG_SUPPORT 176 int symbol__tui_annotate(struct symbol *sym, struct map *map, 177 struct perf_evsel *evsel, 178 struct hist_browser_timer *hbt); 179 #else 180 static inline int symbol__tui_annotate(struct symbol *sym __maybe_unused, 181 struct map *map __maybe_unused, 182 struct perf_evsel *evsel __maybe_unused, 183 struct hist_browser_timer *hbt 184 __maybe_unused) 185 { 186 return 0; 187 } 188 #endif 189 190 extern const char *disassembler_style; 191 192 #endif /* __PERF_ANNOTATE_H */ 193