1 // SPDX-License-Identifier: GPL-2.0 2 #include <inttypes.h> 3 #include <stdio.h> 4 #include <stdbool.h> 5 #include <traceevent/event-parse.h> 6 #include "evsel.h" 7 #include "util/evsel_fprintf.h" 8 #include "util/event.h" 9 #include "callchain.h" 10 #include "map.h" 11 #include "strlist.h" 12 #include "symbol.h" 13 #include "srcline.h" 14 15 static int comma_fprintf(FILE *fp, bool *first, const char *fmt, ...) 16 { 17 va_list args; 18 int ret = 0; 19 20 if (!*first) { 21 ret += fprintf(fp, ","); 22 } else { 23 ret += fprintf(fp, ":"); 24 *first = false; 25 } 26 27 va_start(args, fmt); 28 ret += vfprintf(fp, fmt, args); 29 va_end(args); 30 return ret; 31 } 32 33 static int __print_attr__fprintf(FILE *fp, const char *name, const char *val, void *priv) 34 { 35 return comma_fprintf(fp, (bool *)priv, " %s: %s", name, val); 36 } 37 38 int evsel__fprintf(struct evsel *evsel, struct perf_attr_details *details, FILE *fp) 39 { 40 bool first = true; 41 int printed = 0; 42 43 if (details->event_group) { 44 struct evsel *pos; 45 46 if (!evsel__is_group_leader(evsel)) 47 return 0; 48 49 if (evsel->core.nr_members > 1) 50 printed += fprintf(fp, "%s{", evsel->group_name ?: ""); 51 52 printed += fprintf(fp, "%s", evsel__name(evsel)); 53 for_each_group_member(pos, evsel) 54 printed += fprintf(fp, ",%s", evsel__name(pos)); 55 56 if (evsel->core.nr_members > 1) 57 printed += fprintf(fp, "}"); 58 goto out; 59 } 60 61 printed += fprintf(fp, "%s", evsel__name(evsel)); 62 63 if (details->verbose) { 64 printed += perf_event_attr__fprintf(fp, &evsel->core.attr, 65 __print_attr__fprintf, &first); 66 } else if (details->freq) { 67 const char *term = "sample_freq"; 68 69 if (!evsel->core.attr.freq) 70 term = "sample_period"; 71 72 printed += comma_fprintf(fp, &first, " %s=%" PRIu64, 73 term, (u64)evsel->core.attr.sample_freq); 74 } 75 76 if (details->trace_fields) { 77 struct tep_format_field *field; 78 79 if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT) { 80 printed += comma_fprintf(fp, &first, " (not a tracepoint)"); 81 goto out; 82 } 83 84 field = evsel->tp_format->format.fields; 85 if (field == NULL) { 86 printed += comma_fprintf(fp, &first, " (no trace field)"); 87 goto out; 88 } 89 90 printed += comma_fprintf(fp, &first, " trace_fields: %s", field->name); 91 92 field = field->next; 93 while (field) { 94 printed += comma_fprintf(fp, &first, "%s", field->name); 95 field = field->next; 96 } 97 } 98 out: 99 fputc('\n', fp); 100 return ++printed; 101 } 102 103 int sample__fprintf_callchain(struct perf_sample *sample, int left_alignment, 104 unsigned int print_opts, struct callchain_cursor *cursor, 105 struct strlist *bt_stop_list, FILE *fp) 106 { 107 int printed = 0; 108 struct callchain_cursor_node *node; 109 int print_ip = print_opts & EVSEL__PRINT_IP; 110 int print_sym = print_opts & EVSEL__PRINT_SYM; 111 int print_dso = print_opts & EVSEL__PRINT_DSO; 112 int print_symoffset = print_opts & EVSEL__PRINT_SYMOFFSET; 113 int print_oneline = print_opts & EVSEL__PRINT_ONELINE; 114 int print_srcline = print_opts & EVSEL__PRINT_SRCLINE; 115 int print_unknown_as_addr = print_opts & EVSEL__PRINT_UNKNOWN_AS_ADDR; 116 int print_arrow = print_opts & EVSEL__PRINT_CALLCHAIN_ARROW; 117 int print_skip_ignored = print_opts & EVSEL__PRINT_SKIP_IGNORED; 118 char s = print_oneline ? ' ' : '\t'; 119 bool first = true; 120 121 if (sample->callchain) { 122 struct addr_location node_al; 123 124 callchain_cursor_commit(cursor); 125 126 while (1) { 127 struct symbol *sym; 128 struct map *map; 129 u64 addr = 0; 130 131 node = callchain_cursor_current(cursor); 132 if (!node) 133 break; 134 135 sym = node->ms.sym; 136 map = node->ms.map; 137 138 if (sym && sym->ignore && print_skip_ignored) 139 goto next; 140 141 printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " "); 142 143 if (print_arrow && !first) 144 printed += fprintf(fp, " <-"); 145 146 if (print_ip) 147 printed += fprintf(fp, "%c%16" PRIx64, s, node->ip); 148 149 if (map) 150 addr = map->map_ip(map, node->ip); 151 152 if (print_sym) { 153 printed += fprintf(fp, " "); 154 node_al.addr = addr; 155 node_al.map = map; 156 157 if (print_symoffset) { 158 printed += __symbol__fprintf_symname_offs(sym, &node_al, 159 print_unknown_as_addr, 160 true, fp); 161 } else { 162 printed += __symbol__fprintf_symname(sym, &node_al, 163 print_unknown_as_addr, fp); 164 } 165 } 166 167 if (print_dso && (!sym || !sym->inlined)) { 168 printed += fprintf(fp, " ("); 169 printed += map__fprintf_dsoname(map, fp); 170 printed += fprintf(fp, ")"); 171 } 172 173 if (print_srcline) 174 printed += map__fprintf_srcline(map, addr, "\n ", fp); 175 176 if (sym && sym->inlined) 177 printed += fprintf(fp, " (inlined)"); 178 179 if (!print_oneline) 180 printed += fprintf(fp, "\n"); 181 182 /* Add srccode here too? */ 183 if (bt_stop_list && sym && 184 strlist__has_entry(bt_stop_list, sym->name)) { 185 break; 186 } 187 188 first = false; 189 next: 190 callchain_cursor_advance(cursor); 191 } 192 } 193 194 return printed; 195 } 196 197 int sample__fprintf_sym(struct perf_sample *sample, struct addr_location *al, 198 int left_alignment, unsigned int print_opts, 199 struct callchain_cursor *cursor, struct strlist *bt_stop_list, FILE *fp) 200 { 201 int printed = 0; 202 int print_ip = print_opts & EVSEL__PRINT_IP; 203 int print_sym = print_opts & EVSEL__PRINT_SYM; 204 int print_dso = print_opts & EVSEL__PRINT_DSO; 205 int print_symoffset = print_opts & EVSEL__PRINT_SYMOFFSET; 206 int print_srcline = print_opts & EVSEL__PRINT_SRCLINE; 207 int print_unknown_as_addr = print_opts & EVSEL__PRINT_UNKNOWN_AS_ADDR; 208 209 if (cursor != NULL) { 210 printed += sample__fprintf_callchain(sample, left_alignment, print_opts, 211 cursor, bt_stop_list, fp); 212 } else { 213 printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " "); 214 215 if (print_ip) 216 printed += fprintf(fp, "%16" PRIx64, sample->ip); 217 218 if (print_sym) { 219 printed += fprintf(fp, " "); 220 if (print_symoffset) { 221 printed += __symbol__fprintf_symname_offs(al->sym, al, 222 print_unknown_as_addr, 223 true, fp); 224 } else { 225 printed += __symbol__fprintf_symname(al->sym, al, 226 print_unknown_as_addr, fp); 227 } 228 } 229 230 if (print_dso) { 231 printed += fprintf(fp, " ("); 232 printed += map__fprintf_dsoname(al->map, fp); 233 printed += fprintf(fp, ")"); 234 } 235 236 if (print_srcline) 237 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 238 } 239 240 return printed; 241 } 242