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 #include "dso.h"
15
comma_fprintf(FILE * fp,bool * first,const char * fmt,...)16 static int comma_fprintf(FILE *fp, bool *first, const char *fmt, ...)
17 {
18 va_list args;
19 int ret = 0;
20
21 if (!*first) {
22 ret += fprintf(fp, ",");
23 } else {
24 ret += fprintf(fp, ":");
25 *first = false;
26 }
27
28 va_start(args, fmt);
29 ret += vfprintf(fp, fmt, args);
30 va_end(args);
31 return ret;
32 }
33
__print_attr__fprintf(FILE * fp,const char * name,const char * val,void * priv)34 static int __print_attr__fprintf(FILE *fp, const char *name, const char *val, void *priv)
35 {
36 return comma_fprintf(fp, (bool *)priv, " %s: %s", name, val);
37 }
38
evsel__fprintf(struct evsel * evsel,struct perf_attr_details * details,FILE * fp)39 int evsel__fprintf(struct evsel *evsel, 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 (!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", evsel__name(evsel));
54 for_each_group_member(pos, evsel)
55 printed += fprintf(fp, ",%s", 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", 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 #ifndef PYTHON_PERF
sample__fprintf_callchain(struct perf_sample * sample,int left_alignment,unsigned int print_opts,struct callchain_cursor * cursor,struct strlist * bt_stop_list,FILE * fp)105 int sample__fprintf_callchain(struct perf_sample *sample, int left_alignment,
106 unsigned int print_opts, struct callchain_cursor *cursor,
107 struct strlist *bt_stop_list, FILE *fp)
108 {
109 int printed = 0;
110 struct callchain_cursor_node *node;
111 int print_ip = print_opts & EVSEL__PRINT_IP;
112 int print_sym = print_opts & EVSEL__PRINT_SYM;
113 int print_dso = print_opts & EVSEL__PRINT_DSO;
114 int print_symoffset = print_opts & EVSEL__PRINT_SYMOFFSET;
115 int print_oneline = print_opts & EVSEL__PRINT_ONELINE;
116 int print_srcline = print_opts & EVSEL__PRINT_SRCLINE;
117 int print_unknown_as_addr = print_opts & EVSEL__PRINT_UNKNOWN_AS_ADDR;
118 int print_arrow = print_opts & EVSEL__PRINT_CALLCHAIN_ARROW;
119 int print_skip_ignored = print_opts & EVSEL__PRINT_SKIP_IGNORED;
120 char s = print_oneline ? ' ' : '\t';
121 bool first = true;
122
123 if (sample->callchain) {
124 struct addr_location node_al;
125
126 callchain_cursor_commit(cursor);
127
128 while (1) {
129 struct symbol *sym;
130 struct map *map;
131 u64 addr = 0;
132
133 node = callchain_cursor_current(cursor);
134 if (!node)
135 break;
136
137 sym = node->ms.sym;
138 map = node->ms.map;
139
140 if (sym && sym->ignore && print_skip_ignored)
141 goto next;
142
143 printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " ");
144
145 if (print_arrow && !first)
146 printed += fprintf(fp, " <-");
147
148 if (map)
149 addr = map->map_ip(map, node->ip);
150
151 if (print_ip) {
152 /* Show binary offset for userspace addr */
153 if (map && !map->dso->kernel)
154 printed += fprintf(fp, "%c%16" PRIx64, s, addr);
155 else
156 printed += fprintf(fp, "%c%16" PRIx64, s, node->ip);
157 }
158
159 if (print_sym) {
160 printed += fprintf(fp, " ");
161 node_al.addr = addr;
162 node_al.map = map;
163
164 if (print_symoffset) {
165 printed += __symbol__fprintf_symname_offs(sym, &node_al,
166 print_unknown_as_addr,
167 true, fp);
168 } else {
169 printed += __symbol__fprintf_symname(sym, &node_al,
170 print_unknown_as_addr, fp);
171 }
172 }
173
174 if (print_dso && (!sym || !sym->inlined)) {
175 printed += fprintf(fp, " (");
176 printed += map__fprintf_dsoname(map, fp);
177 printed += fprintf(fp, ")");
178 }
179
180 if (print_srcline)
181 printed += map__fprintf_srcline(map, addr, "\n ", fp);
182
183 if (sym && sym->inlined)
184 printed += fprintf(fp, " (inlined)");
185
186 if (!print_oneline)
187 printed += fprintf(fp, "\n");
188
189 /* Add srccode here too? */
190 if (bt_stop_list && sym &&
191 strlist__has_entry(bt_stop_list, sym->name)) {
192 break;
193 }
194
195 first = false;
196 next:
197 callchain_cursor_advance(cursor);
198 }
199 }
200
201 return printed;
202 }
203
sample__fprintf_sym(struct perf_sample * sample,struct addr_location * al,int left_alignment,unsigned int print_opts,struct callchain_cursor * cursor,struct strlist * bt_stop_list,FILE * fp)204 int sample__fprintf_sym(struct perf_sample *sample, struct addr_location *al,
205 int left_alignment, unsigned int print_opts,
206 struct callchain_cursor *cursor, struct strlist *bt_stop_list, FILE *fp)
207 {
208 int printed = 0;
209 int print_ip = print_opts & EVSEL__PRINT_IP;
210 int print_sym = print_opts & EVSEL__PRINT_SYM;
211 int print_dso = print_opts & EVSEL__PRINT_DSO;
212 int print_symoffset = print_opts & EVSEL__PRINT_SYMOFFSET;
213 int print_srcline = print_opts & EVSEL__PRINT_SRCLINE;
214 int print_unknown_as_addr = print_opts & EVSEL__PRINT_UNKNOWN_AS_ADDR;
215
216 if (cursor != NULL) {
217 printed += sample__fprintf_callchain(sample, left_alignment, print_opts,
218 cursor, bt_stop_list, fp);
219 } else {
220 printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " ");
221
222 if (print_ip)
223 printed += fprintf(fp, "%16" PRIx64, sample->ip);
224
225 if (print_sym) {
226 printed += fprintf(fp, " ");
227 if (print_symoffset) {
228 printed += __symbol__fprintf_symname_offs(al->sym, al,
229 print_unknown_as_addr,
230 true, fp);
231 } else {
232 printed += __symbol__fprintf_symname(al->sym, al,
233 print_unknown_as_addr, fp);
234 }
235 }
236
237 if (print_dso) {
238 printed += fprintf(fp, " (");
239 printed += map__fprintf_dsoname(al->map, fp);
240 printed += fprintf(fp, ")");
241 }
242
243 if (print_srcline)
244 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp);
245 }
246
247 return printed;
248 }
249 #endif /* PYTHON_PERF */
250