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