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
comma_fprintf(FILE * fp,bool * first,const char * fmt,...)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
__print_attr__fprintf(FILE * fp,const char * name,const char * val,void * priv)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
evsel__fprintf(struct evsel * evsel,struct perf_attr_details * details,FILE * fp)38 int evsel__fprintf(struct evsel *evsel, struct perf_attr_details *details, FILE *fp)
39 {
40 bool first = true;
41 int printed = 0;
42
43 if (details->event_group) {
44 struct evsel *pos;
45
46 if (!evsel__is_group_leader(evsel))
47 return 0;
48
49 if (evsel->core.nr_members > 1)
50 printed += fprintf(fp, "%s{", evsel->group_name ?: "");
51
52 printed += fprintf(fp, "%s", evsel__name(evsel));
53 for_each_group_member(pos, evsel)
54 printed += fprintf(fp, ",%s", evsel__name(pos));
55
56 if (evsel->core.nr_members > 1)
57 printed += fprintf(fp, "}");
58 goto out;
59 }
60
61 printed += fprintf(fp, "%s", evsel__name(evsel));
62
63 if (details->verbose) {
64 printed += perf_event_attr__fprintf(fp, &evsel->core.attr,
65 __print_attr__fprintf, &first);
66 } else if (details->freq) {
67 const char *term = "sample_freq";
68
69 if (!evsel->core.attr.freq)
70 term = "sample_period";
71
72 printed += comma_fprintf(fp, &first, " %s=%" PRIu64,
73 term, (u64)evsel->core.attr.sample_freq);
74 }
75
76 if (details->trace_fields) {
77 struct tep_format_field *field;
78
79 if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT) {
80 printed += comma_fprintf(fp, &first, " (not a tracepoint)");
81 goto out;
82 }
83
84 field = evsel->tp_format->format.fields;
85 if (field == NULL) {
86 printed += comma_fprintf(fp, &first, " (no trace field)");
87 goto out;
88 }
89
90 printed += comma_fprintf(fp, &first, " trace_fields: %s", field->name);
91
92 field = field->next;
93 while (field) {
94 printed += comma_fprintf(fp, &first, "%s", field->name);
95 field = field->next;
96 }
97 }
98 out:
99 fputc('\n', fp);
100 return ++printed;
101 }
102
103 #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)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 struct symbol *sym;
129 struct map *map;
130 u64 addr = 0;
131
132 node = callchain_cursor_current(cursor);
133 if (!node)
134 break;
135
136 sym = node->ms.sym;
137 map = node->ms.map;
138
139 if (sym && sym->ignore && print_skip_ignored)
140 goto next;
141
142 printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " ");
143
144 if (print_arrow && !first)
145 printed += fprintf(fp, " <-");
146
147 if (print_ip)
148 printed += fprintf(fp, "%c%16" PRIx64, s, node->ip);
149
150 if (map)
151 addr = map->map_ip(map, node->ip);
152
153 if (print_sym) {
154 printed += fprintf(fp, " ");
155 node_al.addr = addr;
156 node_al.map = map;
157
158 if (print_symoffset) {
159 printed += __symbol__fprintf_symname_offs(sym, &node_al,
160 print_unknown_as_addr,
161 true, fp);
162 } else {
163 printed += __symbol__fprintf_symname(sym, &node_al,
164 print_unknown_as_addr, fp);
165 }
166 }
167
168 if (print_dso && (!sym || !sym->inlined)) {
169 printed += fprintf(fp, " (");
170 printed += map__fprintf_dsoname(map, fp);
171 printed += fprintf(fp, ")");
172 }
173
174 if (print_srcline)
175 printed += map__fprintf_srcline(map, addr, "\n ", fp);
176
177 if (sym && sym->inlined)
178 printed += fprintf(fp, " (inlined)");
179
180 if (!print_oneline)
181 printed += fprintf(fp, "\n");
182
183 /* Add srccode here too? */
184 if (bt_stop_list && sym &&
185 strlist__has_entry(bt_stop_list, sym->name)) {
186 break;
187 }
188
189 first = false;
190 next:
191 callchain_cursor_advance(cursor);
192 }
193 }
194
195 return printed;
196 }
197
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)198 int sample__fprintf_sym(struct perf_sample *sample, struct addr_location *al,
199 int left_alignment, unsigned int print_opts,
200 struct callchain_cursor *cursor, struct strlist *bt_stop_list, FILE *fp)
201 {
202 int printed = 0;
203 int print_ip = print_opts & EVSEL__PRINT_IP;
204 int print_sym = print_opts & EVSEL__PRINT_SYM;
205 int print_dso = print_opts & EVSEL__PRINT_DSO;
206 int print_symoffset = print_opts & EVSEL__PRINT_SYMOFFSET;
207 int print_srcline = print_opts & EVSEL__PRINT_SRCLINE;
208 int print_unknown_as_addr = print_opts & EVSEL__PRINT_UNKNOWN_AS_ADDR;
209
210 if (cursor != NULL) {
211 printed += sample__fprintf_callchain(sample, left_alignment, print_opts,
212 cursor, bt_stop_list, fp);
213 } else {
214 printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " ");
215
216 if (print_ip)
217 printed += fprintf(fp, "%16" PRIx64, sample->ip);
218
219 if (print_sym) {
220 printed += fprintf(fp, " ");
221 if (print_symoffset) {
222 printed += __symbol__fprintf_symname_offs(al->sym, al,
223 print_unknown_as_addr,
224 true, fp);
225 } else {
226 printed += __symbol__fprintf_symname(al->sym, al,
227 print_unknown_as_addr, fp);
228 }
229 }
230
231 if (print_dso) {
232 printed += fprintf(fp, " (");
233 printed += map__fprintf_dsoname(al->map, fp);
234 printed += fprintf(fp, ")");
235 }
236
237 if (print_srcline)
238 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp);
239 }
240
241 return printed;
242 }
243 #endif /* PYTHON_PERF */
244