tools/perf/util/evsel_fprintf.c

   1 #include <inttypes.h>
   2 #include <stdio.h>
   3 #include <stdbool.h>
   4 #include <traceevent/event-parse.h>
   5 #include "evsel.h"
   6 #include "callchain.h"
   7 #include "map.h"
   8 #include "strlist.h"
   9 #include "symbol.h"
  10 #include "srcline.h"
  11
  12 static int comma_fprintf(FILE *fp, bool *first, const char *fmt, ...)
  13 {
  14         va_list args;
  15         int ret = 0;
  16
  17         if (!*first) {
  18                 ret += fprintf(fp, ",");
  19         } else {
  20                 ret += fprintf(fp, ":");
  21                 *first = false;
  22         }
  23
  24         va_start(args, fmt);
  25         ret += vfprintf(fp, fmt, args);
  26         va_end(args);
  27         return ret;
  28 }
  29
  30 static int __print_attr__fprintf(FILE *fp, const char *name, const char *val, void *priv)
  31 {
  32         return comma_fprintf(fp, (bool *)priv, " %s: %s", name, val);
  33 }
  34
  35 int perf_evsel__fprintf(struct perf_evsel *evsel,
  36                         struct perf_attr_details *details, FILE *fp)
  37 {
  38         bool first = true;
  39         int printed = 0;
  40
  41         if (details->event_group) {
  42                 struct perf_evsel *pos;
  43
  44                 if (!perf_evsel__is_group_leader(evsel))
  45                         return 0;
  46
  47                 if (evsel->nr_members > 1)
  48                         printed += fprintf(fp, "%s{", evsel->group_name ?: "");
  49
  50                 printed += fprintf(fp, "%s", perf_evsel__name(evsel));
  51                 for_each_group_member(pos, evsel)
  52                         printed += fprintf(fp, ",%s", perf_evsel__name(pos));
  53
  54                 if (evsel->nr_members > 1)
  55                         printed += fprintf(fp, "}");
  56                 goto out;
  57         }
  58
  59         printed += fprintf(fp, "%s", perf_evsel__name(evsel));
  60
  61         if (details->verbose) {
  62                 printed += perf_event_attr__fprintf(fp, &evsel->attr,
  63                                                     __print_attr__fprintf, &first);
  64         } else if (details->freq) {
  65                 const char *term = "sample_freq";
  66
  67                 if (!evsel->attr.freq)
  68                         term = "sample_period";
  69
  70                 printed += comma_fprintf(fp, &first, " %s=%" PRIu64,
  71                                          term, (u64)evsel->attr.sample_freq);
  72         }
  73
  74         if (details->trace_fields) {
  75                 struct format_field *field;
  76
  77                 if (evsel->attr.type != PERF_TYPE_TRACEPOINT) {
  78                         printed += comma_fprintf(fp, &first, " (not a tracepoint)");
  79                         goto out;
  80                 }
  81
  82                 field = evsel->tp_format->format.fields;
  83                 if (field == NULL) {
  84                         printed += comma_fprintf(fp, &first, " (no trace field)");
  85                         goto out;
  86                 }
  87
  88                 printed += comma_fprintf(fp, &first, " trace_fields: %s", field->name);
  89
  90                 field = field->next;
  91                 while (field) {
  92                         printed += comma_fprintf(fp, &first, "%s", field->name);
  93                         field = field->next;
  94                 }
  95         }
  96 out:
  97         fputc('\n', fp);
  98         return ++printed;
  99 }
 100
 101 int sample__fprintf_callchain(struct perf_sample *sample, int left_alignment,
 102                               unsigned int print_opts, struct callchain_cursor *cursor,
 103                               FILE *fp)
 104 {
 105         int printed = 0;
 106         struct callchain_cursor_node *node;
 107         int print_ip = print_opts & EVSEL__PRINT_IP;
 108         int print_sym = print_opts & EVSEL__PRINT_SYM;
 109         int print_dso = print_opts & EVSEL__PRINT_DSO;
 110         int print_symoffset = print_opts & EVSEL__PRINT_SYMOFFSET;
 111         int print_oneline = print_opts & EVSEL__PRINT_ONELINE;
 112         int print_srcline = print_opts & EVSEL__PRINT_SRCLINE;
 113         int print_unknown_as_addr = print_opts & EVSEL__PRINT_UNKNOWN_AS_ADDR;
 114         int print_arrow = print_opts & EVSEL__PRINT_CALLCHAIN_ARROW;
 115         int print_skip_ignored = print_opts & EVSEL__PRINT_SKIP_IGNORED;
 116         char s = print_oneline ? ' ' : '\t';
 117         bool first = true;
 118
 119         if (sample->callchain) {
 120                 struct addr_location node_al;
 121
 122                 callchain_cursor_commit(cursor);
 123
 124                 while (1) {
 125                         u64 addr = 0;
 126
 127                         node = callchain_cursor_current(cursor);
 128                         if (!node)
 129                                 break;
 130
 131                         if (node->sym && node->sym->ignore && print_skip_ignored)
 132                                 goto next;
 133
 134                         printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " ");
 135
 136                         if (print_arrow && !first)
 137                                 printed += fprintf(fp, " <-");
 138
 139                         if (print_ip)
 140                                 printed += fprintf(fp, "%c%16" PRIx64, s, node->ip);
 141
 142                         if (node->map)
 143                                 addr = node->map->map_ip(node->map, node->ip);
 144
 145                         if (print_sym) {
 146                                 printed += fprintf(fp, " ");
 147                                 node_al.addr = addr;
 148                                 node_al.map  = node->map;
 149
 150                                 if (print_symoffset) {
 151                                         printed += __symbol__fprintf_symname_offs(node->sym, &node_al,
 152                                                                                   print_unknown_as_addr,
 153                                                                                   true, fp);
 154                                 } else {
 155                                         printed += __symbol__fprintf_symname(node->sym, &node_al,
 156                                                                              print_unknown_as_addr, fp);
 157                                 }
 158                         }
 159
 160                         if (print_dso) {
 161                                 printed += fprintf(fp, " (");
 162                                 printed += map__fprintf_dsoname(node->map, fp);
 163                                 printed += fprintf(fp, ")");
 164                         }
 165
 166                         if (print_srcline)
 167                                 printed += map__fprintf_srcline(node->map, addr, "\n  ", fp);
 168
 169                         if (!print_oneline)
 170                                 printed += fprintf(fp, "\n");
 171
 172                         if (symbol_conf.inline_name && node->map) {
 173                                 struct inline_node *inode;
 174
 175                                 addr = map__rip_2objdump(node->map, node->ip),
 176                                 inode = dso__parse_addr_inlines(node->map->dso, addr);
 177
 178                                 if (inode) {
 179                                         struct inline_list *ilist;
 180
 181                                         list_for_each_entry(ilist, &inode->val, list) {
 182                                                 if (print_arrow)
 183                                                         printed += fprintf(fp, " <-");
 184
 185                                                 /* IP is same, just skip it */
 186                                                 if (print_ip)
 187                                                         printed += fprintf(fp, "%c%16s",
 188                                                                            s, "");
 189                                                 if (print_sym)
 190                                                         printed += fprintf(fp, " %s",
 191                                                                            ilist->funcname);
 192                                                 if (print_srcline)
 193                                                         printed += fprintf(fp, "\n  %s:%d",
 194                                                                            ilist->filename,
 195                                                                            ilist->line_nr);
 196                                                 if (!print_oneline)
 197                                                         printed += fprintf(fp, "\n");
 198                                         }
 199
 200                                         inline_node__delete(inode);
 201                                 }
 202                         }
 203
 204                         if (symbol_conf.bt_stop_list &&
 205                             node->sym &&
 206                             strlist__has_entry(symbol_conf.bt_stop_list,
 207                                                node->sym->name)) {
 208                                 break;
 209                         }
 210
 211                         first = false;
 212 next:
 213                         callchain_cursor_advance(cursor);
 214                 }
 215         }
 216
 217         return printed;
 218 }
 219
 220 int sample__fprintf_sym(struct perf_sample *sample, struct addr_location *al,
 221                         int left_alignment, unsigned int print_opts,
 222                         struct callchain_cursor *cursor, FILE *fp)
 223 {
 224         int printed = 0;
 225         int print_ip = print_opts & EVSEL__PRINT_IP;
 226         int print_sym = print_opts & EVSEL__PRINT_SYM;
 227         int print_dso = print_opts & EVSEL__PRINT_DSO;
 228         int print_symoffset = print_opts & EVSEL__PRINT_SYMOFFSET;
 229         int print_srcline = print_opts & EVSEL__PRINT_SRCLINE;
 230         int print_unknown_as_addr = print_opts & EVSEL__PRINT_UNKNOWN_AS_ADDR;
 231
 232         if (cursor != NULL) {
 233                 printed += sample__fprintf_callchain(sample, left_alignment,
 234                                                      print_opts, cursor, fp);
 235         } else {
 236                 printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " ");
 237
 238                 if (print_ip)
 239                         printed += fprintf(fp, "%16" PRIx64, sample->ip);
 240
 241                 if (print_sym) {
 242                         printed += fprintf(fp, " ");
 243                         if (print_symoffset) {
 244                                 printed += __symbol__fprintf_symname_offs(al->sym, al,
 245                                                                           print_unknown_as_addr,
 246                                                                           true, fp);
 247                         } else {
 248                                 printed += __symbol__fprintf_symname(al->sym, al,
 249                                                                      print_unknown_as_addr, fp);
 250                         }
 251                 }
 252
 253                 if (print_dso) {
 254                         printed += fprintf(fp, " (");
 255                         printed += map__fprintf_dsoname(al->map, fp);
 256                         printed += fprintf(fp, ")");
 257                 }
 258
 259                 if (print_srcline)
 260                         printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
 261         }
 262
 263         return printed;
 264 }