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 comma_fprintf(FILE * fp,bool * first,const char * fmt,...)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 __print_attr__fprintf(FILE * fp,const char * name,const char * val,void * priv)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 evsel__fprintf(struct evsel * evsel,struct perf_attr_details * details,FILE * fp)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 sample__fprintf_callchain(struct perf_sample * sample,int left_alignment,unsigned int print_opts,struct callchain_cursor * cursor,struct strlist * bt_stop_list,FILE * fp)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 (cursor == NULL) 130 return fprintf(fp, "<not enough memory for the callchain cursor>%s", print_oneline ? "" : "\n"); 131 132 if (sample->callchain) { 133 callchain_cursor_commit(cursor); 134 135 while (1) { 136 struct symbol *sym; 137 struct map *map; 138 u64 addr = 0; 139 140 node = callchain_cursor_current(cursor); 141 if (!node) 142 break; 143 144 sym = node->ms.sym; 145 map = node->ms.map; 146 147 if (sym && sym->ignore && print_skip_ignored) 148 goto next; 149 150 printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " "); 151 152 if (print_arrow && !first) 153 printed += fprintf(fp, " <-"); 154 155 if (map) 156 addr = map__map_ip(map, node->ip); 157 158 if (print_ip) 159 printed += fprintf(fp, "%c%16" PRIx64, s, node->ip); 160 161 if (print_sym) { 162 struct addr_location node_al; 163 164 addr_location__init(&node_al); 165 printed += fprintf(fp, " "); 166 node_al.addr = addr; 167 node_al.map = map__get(map); 168 169 if (print_symoffset) { 170 printed += __symbol__fprintf_symname_offs(sym, &node_al, 171 print_unknown_as_addr, 172 true, fp); 173 } else { 174 printed += __symbol__fprintf_symname(sym, &node_al, 175 print_unknown_as_addr, fp); 176 } 177 addr_location__exit(&node_al); 178 } 179 180 if (print_dso && (!sym || !sym->inlined)) 181 printed += map__fprintf_dsoname_dsoff(map, print_dsoff, addr, fp); 182 183 if (print_srcline) 184 printed += map__fprintf_srcline(map, addr, "\n ", fp); 185 186 if (sym && sym->inlined) 187 printed += fprintf(fp, " (inlined)"); 188 189 if (!print_oneline) 190 printed += fprintf(fp, "\n"); 191 192 /* Add srccode here too? */ 193 if (bt_stop_list && sym && 194 strlist__has_entry(bt_stop_list, sym->name)) { 195 break; 196 } 197 198 first = false; 199 next: 200 callchain_cursor_advance(cursor); 201 } 202 } 203 204 return printed; 205 } 206 sample__fprintf_sym(struct perf_sample * sample,struct addr_location * al,int left_alignment,unsigned int print_opts,struct callchain_cursor * cursor,struct strlist * bt_stop_list,FILE * fp)207 int sample__fprintf_sym(struct perf_sample *sample, struct addr_location *al, 208 int left_alignment, unsigned int print_opts, 209 struct callchain_cursor *cursor, struct strlist *bt_stop_list, FILE *fp) 210 { 211 int printed = 0; 212 int print_ip = print_opts & EVSEL__PRINT_IP; 213 int print_sym = print_opts & EVSEL__PRINT_SYM; 214 int print_dso = print_opts & EVSEL__PRINT_DSO; 215 int print_dsoff = print_opts & EVSEL__PRINT_DSOFF; 216 int print_symoffset = print_opts & EVSEL__PRINT_SYMOFFSET; 217 int print_srcline = print_opts & EVSEL__PRINT_SRCLINE; 218 int print_unknown_as_addr = print_opts & EVSEL__PRINT_UNKNOWN_AS_ADDR; 219 220 if (cursor != NULL) { 221 printed += sample__fprintf_callchain(sample, left_alignment, print_opts, 222 cursor, bt_stop_list, fp); 223 } else { 224 printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " "); 225 226 if (print_ip) 227 printed += fprintf(fp, "%16" PRIx64, sample->ip); 228 229 if (print_sym) { 230 printed += fprintf(fp, " "); 231 if (print_symoffset) { 232 printed += __symbol__fprintf_symname_offs(al->sym, al, 233 print_unknown_as_addr, 234 true, fp); 235 } else { 236 printed += __symbol__fprintf_symname(al->sym, al, 237 print_unknown_as_addr, fp); 238 } 239 } 240 241 if (print_dso) 242 printed += map__fprintf_dsoname_dsoff(al->map, print_dsoff, al->addr, fp); 243 244 if (print_srcline) 245 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 246 } 247 248 return printed; 249 } 250