1 // SPDX-License-Identifier: GPL-2.0 2 #include <inttypes.h> 3 #include <stdio.h> 4 #include <stdbool.h> 5 #include "util/evlist.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 #ifdef HAVE_LIBTRACEEVENT 17 #include <traceevent/event-parse.h> 18 #endif 19 20 static int comma_fprintf(FILE *fp, bool *first, const char *fmt, ...) 21 { 22 va_list args; 23 int ret = 0; 24 25 if (!*first) { 26 ret += fprintf(fp, ","); 27 } else { 28 ret += fprintf(fp, ":"); 29 *first = false; 30 } 31 32 va_start(args, fmt); 33 ret += vfprintf(fp, fmt, args); 34 va_end(args); 35 return ret; 36 } 37 38 static int __print_attr__fprintf(FILE *fp, const char *name, const char *val, void *priv) 39 { 40 return comma_fprintf(fp, (bool *)priv, " %s: %s", name, val); 41 } 42 43 int evsel__fprintf(struct evsel *evsel, struct perf_attr_details *details, FILE *fp) 44 { 45 bool first = true; 46 int printed = 0; 47 48 if (details->event_group) { 49 struct evsel *pos; 50 51 if (!evsel__is_group_leader(evsel)) 52 return 0; 53 54 if (evsel->core.nr_members > 1) 55 printed += fprintf(fp, "%s{", evsel->group_name ?: ""); 56 57 printed += fprintf(fp, "%s", evsel__name(evsel)); 58 for_each_group_member(pos, evsel) 59 printed += fprintf(fp, ",%s", evsel__name(pos)); 60 61 if (evsel->core.nr_members > 1) 62 printed += fprintf(fp, "}"); 63 goto out; 64 } 65 66 printed += fprintf(fp, "%s", evsel__name(evsel)); 67 68 if (details->verbose) { 69 printed += perf_event_attr__fprintf(fp, &evsel->core.attr, 70 __print_attr__fprintf, &first); 71 } else if (details->freq) { 72 const char *term = "sample_freq"; 73 74 if (!evsel->core.attr.freq) 75 term = "sample_period"; 76 77 printed += comma_fprintf(fp, &first, " %s=%" PRIu64, 78 term, (u64)evsel->core.attr.sample_freq); 79 } 80 81 #ifdef HAVE_LIBTRACEEVENT 82 if (details->trace_fields) { 83 struct tep_format_field *field; 84 85 if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT) { 86 printed += comma_fprintf(fp, &first, " (not a tracepoint)"); 87 goto out; 88 } 89 90 field = evsel->tp_format->format.fields; 91 if (field == NULL) { 92 printed += comma_fprintf(fp, &first, " (no trace field)"); 93 goto out; 94 } 95 96 printed += comma_fprintf(fp, &first, " trace_fields: %s", field->name); 97 98 field = field->next; 99 while (field) { 100 printed += comma_fprintf(fp, &first, "%s", field->name); 101 field = field->next; 102 } 103 } 104 #endif 105 out: 106 fputc('\n', fp); 107 return ++printed; 108 } 109 110 #ifndef PYTHON_PERF 111 int sample__fprintf_callchain(struct perf_sample *sample, int left_alignment, 112 unsigned int print_opts, struct callchain_cursor *cursor, 113 struct strlist *bt_stop_list, FILE *fp) 114 { 115 int printed = 0; 116 struct callchain_cursor_node *node; 117 int print_ip = print_opts & EVSEL__PRINT_IP; 118 int print_sym = print_opts & EVSEL__PRINT_SYM; 119 int print_dso = print_opts & EVSEL__PRINT_DSO; 120 int print_dsoff = print_opts & EVSEL__PRINT_DSOFF; 121 int print_symoffset = print_opts & EVSEL__PRINT_SYMOFFSET; 122 int print_oneline = print_opts & EVSEL__PRINT_ONELINE; 123 int print_srcline = print_opts & EVSEL__PRINT_SRCLINE; 124 int print_unknown_as_addr = print_opts & EVSEL__PRINT_UNKNOWN_AS_ADDR; 125 int print_arrow = print_opts & EVSEL__PRINT_CALLCHAIN_ARROW; 126 int print_skip_ignored = print_opts & EVSEL__PRINT_SKIP_IGNORED; 127 char s = print_oneline ? ' ' : '\t'; 128 bool first = true; 129 130 if (cursor == NULL) 131 return fprintf(fp, "<not enough memory for the callchain cursor>%s", print_oneline ? "" : "\n"); 132 133 if (sample->callchain) { 134 callchain_cursor_commit(cursor); 135 136 while (1) { 137 struct symbol *sym; 138 struct map *map; 139 u64 addr = 0; 140 141 node = callchain_cursor_current(cursor); 142 if (!node) 143 break; 144 145 sym = node->ms.sym; 146 map = node->ms.map; 147 148 if (sym && sym->ignore && print_skip_ignored) 149 goto next; 150 151 printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " "); 152 153 if (print_arrow && !first) 154 printed += fprintf(fp, " <-"); 155 156 if (map) 157 addr = map__map_ip(map, node->ip); 158 159 if (print_ip) 160 printed += fprintf(fp, "%c%16" PRIx64, s, node->ip); 161 162 if (print_sym) { 163 struct addr_location node_al; 164 165 addr_location__init(&node_al); 166 printed += fprintf(fp, " "); 167 node_al.addr = addr; 168 node_al.map = map__get(map); 169 170 if (print_symoffset) { 171 printed += __symbol__fprintf_symname_offs(sym, &node_al, 172 print_unknown_as_addr, 173 true, fp); 174 } else { 175 printed += __symbol__fprintf_symname(sym, &node_al, 176 print_unknown_as_addr, fp); 177 } 178 addr_location__exit(&node_al); 179 } 180 181 if (print_dso && (!sym || !sym->inlined)) 182 printed += map__fprintf_dsoname_dsoff(map, print_dsoff, addr, fp); 183 184 if (print_srcline) 185 printed += map__fprintf_srcline(map, addr, "\n ", fp); 186 187 if (sym && sym->inlined) 188 printed += fprintf(fp, " (inlined)"); 189 190 if (!print_oneline) 191 printed += fprintf(fp, "\n"); 192 193 /* Add srccode here too? */ 194 if (bt_stop_list && sym && 195 strlist__has_entry(bt_stop_list, sym->name)) { 196 break; 197 } 198 199 first = false; 200 next: 201 callchain_cursor_advance(cursor); 202 } 203 } 204 205 return printed; 206 } 207 208 int sample__fprintf_sym(struct perf_sample *sample, struct addr_location *al, 209 int left_alignment, unsigned int print_opts, 210 struct callchain_cursor *cursor, struct strlist *bt_stop_list, FILE *fp) 211 { 212 int printed = 0; 213 int print_ip = print_opts & EVSEL__PRINT_IP; 214 int print_sym = print_opts & EVSEL__PRINT_SYM; 215 int print_dso = print_opts & EVSEL__PRINT_DSO; 216 int print_dsoff = print_opts & EVSEL__PRINT_DSOFF; 217 int print_symoffset = print_opts & EVSEL__PRINT_SYMOFFSET; 218 int print_srcline = print_opts & EVSEL__PRINT_SRCLINE; 219 int print_unknown_as_addr = print_opts & EVSEL__PRINT_UNKNOWN_AS_ADDR; 220 221 if (cursor != NULL) { 222 printed += sample__fprintf_callchain(sample, left_alignment, print_opts, 223 cursor, bt_stop_list, fp); 224 } else { 225 printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " "); 226 227 if (print_ip) 228 printed += fprintf(fp, "%16" PRIx64, sample->ip); 229 230 if (print_sym) { 231 printed += fprintf(fp, " "); 232 if (print_symoffset) { 233 printed += __symbol__fprintf_symname_offs(al->sym, al, 234 print_unknown_as_addr, 235 true, fp); 236 } else { 237 printed += __symbol__fprintf_symname(al->sym, al, 238 print_unknown_as_addr, fp); 239 } 240 } 241 242 if (print_dso) 243 printed += map__fprintf_dsoname_dsoff(al->map, print_dsoff, al->addr, fp); 244 245 if (print_srcline) 246 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 247 } 248 249 return printed; 250 } 251 #endif /* PYTHON_PERF */ 252