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 #include "dso.h" 15 16 static int comma_fprintf(FILE *fp, bool *first, const char *fmt, ...) 17 { 18 va_list args; 19 int ret = 0; 20 21 if (!*first) { 22 ret += fprintf(fp, ","); 23 } else { 24 ret += fprintf(fp, ":"); 25 *first = false; 26 } 27 28 va_start(args, fmt); 29 ret += vfprintf(fp, fmt, args); 30 va_end(args); 31 return ret; 32 } 33 34 static int __print_attr__fprintf(FILE *fp, const char *name, const char *val, void *priv) 35 { 36 return comma_fprintf(fp, (bool *)priv, " %s: %s", name, val); 37 } 38 39 int evsel__fprintf(struct evsel *evsel, struct perf_attr_details *details, FILE *fp) 40 { 41 bool first = true; 42 int printed = 0; 43 44 if (details->event_group) { 45 struct evsel *pos; 46 47 if (!evsel__is_group_leader(evsel)) 48 return 0; 49 50 if (evsel->core.nr_members > 1) 51 printed += fprintf(fp, "%s{", evsel->group_name ?: ""); 52 53 printed += fprintf(fp, "%s", evsel__name(evsel)); 54 for_each_group_member(pos, evsel) 55 printed += fprintf(fp, ",%s", evsel__name(pos)); 56 57 if (evsel->core.nr_members > 1) 58 printed += fprintf(fp, "}"); 59 goto out; 60 } 61 62 printed += fprintf(fp, "%s", evsel__name(evsel)); 63 64 if (details->verbose) { 65 printed += perf_event_attr__fprintf(fp, &evsel->core.attr, 66 __print_attr__fprintf, &first); 67 } else if (details->freq) { 68 const char *term = "sample_freq"; 69 70 if (!evsel->core.attr.freq) 71 term = "sample_period"; 72 73 printed += comma_fprintf(fp, &first, " %s=%" PRIu64, 74 term, (u64)evsel->core.attr.sample_freq); 75 } 76 77 if (details->trace_fields) { 78 struct tep_format_field *field; 79 80 if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT) { 81 printed += comma_fprintf(fp, &first, " (not a tracepoint)"); 82 goto out; 83 } 84 85 field = evsel->tp_format->format.fields; 86 if (field == NULL) { 87 printed += comma_fprintf(fp, &first, " (no trace field)"); 88 goto out; 89 } 90 91 printed += comma_fprintf(fp, &first, " trace_fields: %s", field->name); 92 93 field = field->next; 94 while (field) { 95 printed += comma_fprintf(fp, &first, "%s", field->name); 96 field = field->next; 97 } 98 } 99 out: 100 fputc('\n', fp); 101 return ++printed; 102 } 103 104 #ifndef PYTHON_PERF 105 int sample__fprintf_callchain(struct perf_sample *sample, int left_alignment, 106 unsigned int print_opts, struct callchain_cursor *cursor, 107 struct strlist *bt_stop_list, FILE *fp) 108 { 109 int printed = 0; 110 struct callchain_cursor_node *node; 111 int print_ip = print_opts & EVSEL__PRINT_IP; 112 int print_sym = print_opts & EVSEL__PRINT_SYM; 113 int print_dso = print_opts & EVSEL__PRINT_DSO; 114 int print_symoffset = print_opts & EVSEL__PRINT_SYMOFFSET; 115 int print_oneline = print_opts & EVSEL__PRINT_ONELINE; 116 int print_srcline = print_opts & EVSEL__PRINT_SRCLINE; 117 int print_unknown_as_addr = print_opts & EVSEL__PRINT_UNKNOWN_AS_ADDR; 118 int print_arrow = print_opts & EVSEL__PRINT_CALLCHAIN_ARROW; 119 int print_skip_ignored = print_opts & EVSEL__PRINT_SKIP_IGNORED; 120 char s = print_oneline ? ' ' : '\t'; 121 bool first = true; 122 123 if (sample->callchain) { 124 struct addr_location node_al; 125 126 callchain_cursor_commit(cursor); 127 128 while (1) { 129 struct symbol *sym; 130 struct map *map; 131 u64 addr = 0; 132 133 node = callchain_cursor_current(cursor); 134 if (!node) 135 break; 136 137 sym = node->ms.sym; 138 map = node->ms.map; 139 140 if (sym && sym->ignore && print_skip_ignored) 141 goto next; 142 143 printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " "); 144 145 if (print_arrow && !first) 146 printed += fprintf(fp, " <-"); 147 148 if (map) 149 addr = map->map_ip(map, node->ip); 150 151 if (print_ip) { 152 /* Show binary offset for userspace addr */ 153 if (map && !map->dso->kernel) 154 printed += fprintf(fp, "%c%16" PRIx64, s, addr); 155 else 156 printed += fprintf(fp, "%c%16" PRIx64, s, node->ip); 157 } 158 159 if (print_sym) { 160 printed += fprintf(fp, " "); 161 node_al.addr = addr; 162 node_al.map = map; 163 164 if (print_symoffset) { 165 printed += __symbol__fprintf_symname_offs(sym, &node_al, 166 print_unknown_as_addr, 167 true, fp); 168 } else { 169 printed += __symbol__fprintf_symname(sym, &node_al, 170 print_unknown_as_addr, fp); 171 } 172 } 173 174 if (print_dso && (!sym || !sym->inlined)) { 175 printed += fprintf(fp, " ("); 176 printed += map__fprintf_dsoname(map, fp); 177 printed += fprintf(fp, ")"); 178 } 179 180 if (print_srcline) 181 printed += map__fprintf_srcline(map, addr, "\n ", fp); 182 183 if (sym && sym->inlined) 184 printed += fprintf(fp, " (inlined)"); 185 186 if (!print_oneline) 187 printed += fprintf(fp, "\n"); 188 189 /* Add srccode here too? */ 190 if (bt_stop_list && sym && 191 strlist__has_entry(bt_stop_list, sym->name)) { 192 break; 193 } 194 195 first = false; 196 next: 197 callchain_cursor_advance(cursor); 198 } 199 } 200 201 return printed; 202 } 203 204 int sample__fprintf_sym(struct perf_sample *sample, struct addr_location *al, 205 int left_alignment, unsigned int print_opts, 206 struct callchain_cursor *cursor, struct strlist *bt_stop_list, FILE *fp) 207 { 208 int printed = 0; 209 int print_ip = print_opts & EVSEL__PRINT_IP; 210 int print_sym = print_opts & EVSEL__PRINT_SYM; 211 int print_dso = print_opts & EVSEL__PRINT_DSO; 212 int print_symoffset = print_opts & EVSEL__PRINT_SYMOFFSET; 213 int print_srcline = print_opts & EVSEL__PRINT_SRCLINE; 214 int print_unknown_as_addr = print_opts & EVSEL__PRINT_UNKNOWN_AS_ADDR; 215 216 if (cursor != NULL) { 217 printed += sample__fprintf_callchain(sample, left_alignment, print_opts, 218 cursor, bt_stop_list, fp); 219 } else { 220 printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " "); 221 222 if (print_ip) 223 printed += fprintf(fp, "%16" PRIx64, sample->ip); 224 225 if (print_sym) { 226 printed += fprintf(fp, " "); 227 if (print_symoffset) { 228 printed += __symbol__fprintf_symname_offs(al->sym, al, 229 print_unknown_as_addr, 230 true, fp); 231 } else { 232 printed += __symbol__fprintf_symname(al->sym, al, 233 print_unknown_as_addr, fp); 234 } 235 } 236 237 if (print_dso) { 238 printed += fprintf(fp, " ("); 239 printed += map__fprintf_dsoname(al->map, fp); 240 printed += fprintf(fp, ")"); 241 } 242 243 if (print_srcline) 244 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 245 } 246 247 return printed; 248 } 249 #endif /* PYTHON_PERF */ 250