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  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
 15static 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
 33static 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
 38int 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	}
 99out:
100	fputc('\n', fp);
101	return ++printed;
102}
103
104int 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;
185next:
186			callchain_cursor_advance(cursor);
187		}
188	}
189
190	return printed;
191}
192
193int 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}