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 char s = print_oneline ? ' ' : '\t'; 112 113 if (sample->callchain) { 114 struct addr_location node_al; 115 116 callchain_cursor_commit(cursor); 117 118 while (1) { 119 u64 addr = 0; 120 121 node = callchain_cursor_current(cursor); 122 if (!node) 123 break; 124 125 printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " "); 126 127 if (print_ip) 128 printed += fprintf(fp, "%c%16" PRIx64, s, node->ip); 129 130 if (node->map) 131 addr = node->map->map_ip(node->map, node->ip); 132 133 if (print_sym) { 134 printed += fprintf(fp, " "); 135 node_al.addr = addr; 136 node_al.map = node->map; 137 138 if (print_symoffset) { 139 printed += __symbol__fprintf_symname_offs(node->sym, &node_al, 140 print_unknown_as_addr, fp); 141 } else { 142 printed += __symbol__fprintf_symname(node->sym, &node_al, 143 print_unknown_as_addr, fp); 144 } 145 } 146 147 if (print_dso) { 148 printed += fprintf(fp, " ("); 149 printed += map__fprintf_dsoname(node->map, fp); 150 printed += fprintf(fp, ")"); 151 } 152 153 if (print_srcline) 154 printed += map__fprintf_srcline(node->map, addr, "\n ", fp); 155 156 if (!print_oneline) 157 printed += fprintf(fp, "\n"); 158 159 callchain_cursor_advance(cursor); 160 } 161 } 162 163 return printed; 164 } 165 166 int sample__fprintf_sym(struct perf_sample *sample, struct addr_location *al, 167 int left_alignment, unsigned int print_opts, 168 struct callchain_cursor *cursor, FILE *fp) 169 { 170 int printed = 0; 171 int print_ip = print_opts & EVSEL__PRINT_IP; 172 int print_sym = print_opts & EVSEL__PRINT_SYM; 173 int print_dso = print_opts & EVSEL__PRINT_DSO; 174 int print_symoffset = print_opts & EVSEL__PRINT_SYMOFFSET; 175 int print_srcline = print_opts & EVSEL__PRINT_SRCLINE; 176 int print_unknown_as_addr = print_opts & EVSEL__PRINT_UNKNOWN_AS_ADDR; 177 178 if (cursor != NULL) { 179 printed += sample__fprintf_callchain(sample, left_alignment, 180 print_opts, cursor, fp); 181 } else { 182 printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " "); 183 184 if (print_ip) 185 printed += fprintf(fp, "%16" PRIx64, sample->ip); 186 187 if (print_sym) { 188 printed += fprintf(fp, " "); 189 if (print_symoffset) { 190 printed += __symbol__fprintf_symname_offs(al->sym, al, 191 print_unknown_as_addr, fp); 192 } else { 193 printed += __symbol__fprintf_symname(al->sym, al, 194 print_unknown_as_addr, fp); 195 } 196 } 197 198 if (print_dso) { 199 printed += fprintf(fp, " ("); 200 printed += map__fprintf_dsoname(al->map, fp); 201 printed += fprintf(fp, ")"); 202 } 203 204 if (print_srcline) 205 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 206 } 207 208 return printed; 209 } 210