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