tools/perf/util/evsel_fprintf.c

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