1 // SPDX-License-Identifier: GPL-2.0 2 #include <inttypes.h> 3 #include <stdio.h> 4 #include <stdbool.h> 5 #include "evsel.h" 6 #include "util/evsel_fprintf.h" 7 #include "util/event.h" 8 #include "callchain.h" 9 #include "map.h" 10 #include "strlist.h" 11 #include "symbol.h" 12 #include "srcline.h" 13 #include "dso.h" 14 15 #ifdef HAVE_LIBTRACEEVENT 16 #include <traceevent/event-parse.h> 17 #endif 18 19 static int comma_fprintf(FILE *fp, bool *first, const char *fmt, ...) 20 { 21 va_list args; 22 int ret = 0; 23 24 if (!*first) { 25 ret += fprintf(fp, ","); 26 } else { 27 ret += fprintf(fp, ":"); 28 *first = false; 29 } 30 31 va_start(args, fmt); 32 ret += vfprintf(fp, fmt, args); 33 va_end(args); 34 return ret; 35 } 36 37 static int __print_attr__fprintf(FILE *fp, const char *name, const char *val, void *priv) 38 { 39 return comma_fprintf(fp, (bool *)priv, " %s: %s", name, val); 40 } 41 42 int evsel__fprintf(struct evsel *evsel, struct perf_attr_details *details, FILE *fp) 43 { 44 bool first = true; 45 int printed = 0; 46 47 if (details->event_group) { 48 struct evsel *pos; 49 50 if (!evsel__is_group_leader(evsel)) 51 return 0; 52 53 if (evsel->core.nr_members > 1) 54 printed += fprintf(fp, "%s{", evsel->group_name ?: ""); 55 56 printed += fprintf(fp, "%s", evsel__name(evsel)); 57 for_each_group_member(pos, evsel) 58 printed += fprintf(fp, ",%s", evsel__name(pos)); 59 60 if (evsel->core.nr_members > 1) 61 printed += fprintf(fp, "}"); 62 goto out; 63 } 64 65 printed += fprintf(fp, "%s", evsel__name(evsel)); 66 67 if (details->verbose) { 68 printed += perf_event_attr__fprintf(fp, &evsel->core.attr, 69 __print_attr__fprintf, &first); 70 } else if (details->freq) { 71 const char *term = "sample_freq"; 72 73 if (!evsel->core.attr.freq) 74 term = "sample_period"; 75 76 printed += comma_fprintf(fp, &first, " %s=%" PRIu64, 77 term, (u64)evsel->core.attr.sample_freq); 78 } 79 80 #ifdef HAVE_LIBTRACEEVENT 81 if (details->trace_fields) { 82 struct tep_format_field *field; 83 84 if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT) { 85 printed += comma_fprintf(fp, &first, " (not a tracepoint)"); 86 goto out; 87 } 88 89 field = evsel->tp_format->format.fields; 90 if (field == NULL) { 91 printed += comma_fprintf(fp, &first, " (no trace field)"); 92 goto out; 93 } 94 95 printed += comma_fprintf(fp, &first, " trace_fields: %s", field->name); 96 97 field = field->next; 98 while (field) { 99 printed += comma_fprintf(fp, &first, "%s", field->name); 100 field = field->next; 101 } 102 } 103 #endif 104 out: 105 fputc('\n', fp); 106 return ++printed; 107 } 108 109 #ifndef PYTHON_PERF 110 int sample__fprintf_callchain(struct perf_sample *sample, int left_alignment, 111 unsigned int print_opts, struct callchain_cursor *cursor, 112 struct strlist *bt_stop_list, FILE *fp) 113 { 114 int printed = 0; 115 struct callchain_cursor_node *node; 116 int print_ip = print_opts & EVSEL__PRINT_IP; 117 int print_sym = print_opts & EVSEL__PRINT_SYM; 118 int print_dso = print_opts & EVSEL__PRINT_DSO; 119 int print_dsoff = print_opts & EVSEL__PRINT_DSOFF; 120 int print_symoffset = print_opts & EVSEL__PRINT_SYMOFFSET; 121 int print_oneline = print_opts & EVSEL__PRINT_ONELINE; 122 int print_srcline = print_opts & EVSEL__PRINT_SRCLINE; 123 int print_unknown_as_addr = print_opts & EVSEL__PRINT_UNKNOWN_AS_ADDR; 124 int print_arrow = print_opts & EVSEL__PRINT_CALLCHAIN_ARROW; 125 int print_skip_ignored = print_opts & EVSEL__PRINT_SKIP_IGNORED; 126 char s = print_oneline ? ' ' : '\t'; 127 bool first = true; 128 129 if (sample->callchain) { 130 struct addr_location node_al; 131 132 callchain_cursor_commit(cursor); 133 134 while (1) { 135 struct symbol *sym; 136 struct map *map; 137 u64 addr = 0; 138 139 node = callchain_cursor_current(cursor); 140 if (!node) 141 break; 142 143 sym = node->ms.sym; 144 map = node->ms.map; 145 146 if (sym && sym->ignore && print_skip_ignored) 147 goto next; 148 149 printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " "); 150 151 if (print_arrow && !first) 152 printed += fprintf(fp, " <-"); 153 154 if (map) 155 addr = map__map_ip(map, node->ip); 156 157 if (print_ip) 158 printed += fprintf(fp, "%c%16" PRIx64, s, node->ip); 159 160 if (print_sym) { 161 printed += fprintf(fp, " "); 162 node_al.addr = addr; 163 node_al.map = map; 164 165 if (print_symoffset) { 166 printed += __symbol__fprintf_symname_offs(sym, &node_al, 167 print_unknown_as_addr, 168 true, fp); 169 } else { 170 printed += __symbol__fprintf_symname(sym, &node_al, 171 print_unknown_as_addr, fp); 172 } 173 } 174 175 if (print_dso && (!sym || !sym->inlined)) 176 printed += map__fprintf_dsoname_dsoff(map, print_dsoff, addr, fp); 177 178 if (print_srcline) 179 printed += map__fprintf_srcline(map, addr, "\n ", fp); 180 181 if (sym && sym->inlined) 182 printed += fprintf(fp, " (inlined)"); 183 184 if (!print_oneline) 185 printed += fprintf(fp, "\n"); 186 187 /* Add srccode here too? */ 188 if (bt_stop_list && sym && 189 strlist__has_entry(bt_stop_list, sym->name)) { 190 break; 191 } 192 193 first = false; 194 next: 195 callchain_cursor_advance(cursor); 196 } 197 } 198 199 return printed; 200 } 201 202 int sample__fprintf_sym(struct perf_sample *sample, struct addr_location *al, 203 int left_alignment, unsigned int print_opts, 204 struct callchain_cursor *cursor, struct strlist *bt_stop_list, FILE *fp) 205 { 206 int printed = 0; 207 int print_ip = print_opts & EVSEL__PRINT_IP; 208 int print_sym = print_opts & EVSEL__PRINT_SYM; 209 int print_dso = print_opts & EVSEL__PRINT_DSO; 210 int print_dsoff = print_opts & EVSEL__PRINT_DSOFF; 211 int print_symoffset = print_opts & EVSEL__PRINT_SYMOFFSET; 212 int print_srcline = print_opts & EVSEL__PRINT_SRCLINE; 213 int print_unknown_as_addr = print_opts & EVSEL__PRINT_UNKNOWN_AS_ADDR; 214 215 if (cursor != NULL) { 216 printed += sample__fprintf_callchain(sample, left_alignment, print_opts, 217 cursor, bt_stop_list, fp); 218 } else { 219 printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " "); 220 221 if (print_ip) 222 printed += fprintf(fp, "%16" PRIx64, sample->ip); 223 224 if (print_sym) { 225 printed += fprintf(fp, " "); 226 if (print_symoffset) { 227 printed += __symbol__fprintf_symname_offs(al->sym, al, 228 print_unknown_as_addr, 229 true, fp); 230 } else { 231 printed += __symbol__fprintf_symname(al->sym, al, 232 print_unknown_as_addr, fp); 233 } 234 } 235 236 if (print_dso) 237 printed += map__fprintf_dsoname_dsoff(al->map, print_dsoff, al->addr, fp); 238 239 if (print_srcline) 240 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 241 } 242 243 return printed; 244 } 245 #endif /* PYTHON_PERF */ 246