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TOMOYO Linux Cross Reference
Linux/tools/perf/util/evsel_fprintf.c

Version: ~ [ linux-5.4-rc3 ] ~ [ linux-5.3.6 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.79 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.149 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.196 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.196 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.75 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-3.9.11 ] ~ [ linux-3.8.13 ] ~ [ linux-3.7.10 ] ~ [ linux-3.6.11 ] ~ [ linux-3.5.7 ] ~ [ linux-3.4.113 ] ~ [ linux-3.3.8 ] ~ [ linux-3.2.102 ] ~ [ linux-3.1.10 ] ~ [ linux-3.0.101 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  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         int print_skip_ignored = print_opts & EVSEL__PRINT_SKIP_IGNORED;
113         char s = print_oneline ? ' ' : '\t';
114         bool first = true;
115 
116         if (sample->callchain) {
117                 struct addr_location node_al;
118 
119                 callchain_cursor_commit(cursor);
120 
121                 while (1) {
122                         u64 addr = 0;
123 
124                         node = callchain_cursor_current(cursor);
125                         if (!node)
126                                 break;
127 
128                         if (node->sym && node->sym->ignore && print_skip_ignored)
129                                 goto next;
130 
131                         printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " ");
132 
133                         if (print_arrow && !first)
134                                 printed += fprintf(fp, " <-");
135 
136                         if (print_ip)
137                                 printed += fprintf(fp, "%c%16" PRIx64, s, node->ip);
138 
139                         if (node->map)
140                                 addr = node->map->map_ip(node->map, node->ip);
141 
142                         if (print_sym) {
143                                 printed += fprintf(fp, " ");
144                                 node_al.addr = addr;
145                                 node_al.map  = node->map;
146 
147                                 if (print_symoffset) {
148                                         printed += __symbol__fprintf_symname_offs(node->sym, &node_al,
149                                                                                   print_unknown_as_addr,
150                                                                                   true, fp);
151                                 } else {
152                                         printed += __symbol__fprintf_symname(node->sym, &node_al,
153                                                                              print_unknown_as_addr, fp);
154                                 }
155                         }
156 
157                         if (print_dso) {
158                                 printed += fprintf(fp, " (");
159                                 printed += map__fprintf_dsoname(node->map, fp);
160                                 printed += fprintf(fp, ")");
161                         }
162 
163                         if (print_srcline)
164                                 printed += map__fprintf_srcline(node->map, addr, "\n  ", fp);
165 
166                         if (!print_oneline)
167                                 printed += fprintf(fp, "\n");
168 
169                         if (symbol_conf.bt_stop_list &&
170                             node->sym &&
171                             node->sym->name &&
172                             strlist__has_entry(symbol_conf.bt_stop_list,
173                                                node->sym->name)) {
174                                 break;
175                         }
176 
177                         first = false;
178 next:
179                         callchain_cursor_advance(cursor);
180                 }
181         }
182 
183         return printed;
184 }
185 
186 int sample__fprintf_sym(struct perf_sample *sample, struct addr_location *al,
187                         int left_alignment, unsigned int print_opts,
188                         struct callchain_cursor *cursor, FILE *fp)
189 {
190         int printed = 0;
191         int print_ip = print_opts & EVSEL__PRINT_IP;
192         int print_sym = print_opts & EVSEL__PRINT_SYM;
193         int print_dso = print_opts & EVSEL__PRINT_DSO;
194         int print_symoffset = print_opts & EVSEL__PRINT_SYMOFFSET;
195         int print_srcline = print_opts & EVSEL__PRINT_SRCLINE;
196         int print_unknown_as_addr = print_opts & EVSEL__PRINT_UNKNOWN_AS_ADDR;
197 
198         if (cursor != NULL) {
199                 printed += sample__fprintf_callchain(sample, left_alignment,
200                                                      print_opts, cursor, fp);
201         } else {
202                 printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " ");
203 
204                 if (print_ip)
205                         printed += fprintf(fp, "%16" PRIx64, sample->ip);
206 
207                 if (print_sym) {
208                         printed += fprintf(fp, " ");
209                         if (print_symoffset) {
210                                 printed += __symbol__fprintf_symname_offs(al->sym, al,
211                                                                           print_unknown_as_addr,
212                                                                           true, fp);
213                         } else {
214                                 printed += __symbol__fprintf_symname(al->sym, al,
215                                                                      print_unknown_as_addr, fp);
216                         }
217                 }
218 
219                 if (print_dso) {
220                         printed += fprintf(fp, " (");
221                         printed += map__fprintf_dsoname(al->map, fp);
222                         printed += fprintf(fp, ")");
223                 }
224 
225                 if (print_srcline)
226                         printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
227         }
228 
229         return printed;
230 }
231 

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