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// SPDX-License-Identifier: GPL-2.0
#include <inttypes.h>
#include <stdio.h>
#include <stdbool.h>
#include <traceevent/event-parse.h>
#include "evsel.h"
#include "callchain.h"
#include "map.h"
#include "strlist.h"
#include "symbol.h"
#include "srcline.h"
static int comma_fprintf(FILE *fp, bool *first, const char *fmt, ...)
{
va_list args;
int ret = 0;
if (!*first) {
ret += fprintf(fp, ",");
} else {
ret += fprintf(fp, ":");
*first = false;
}
va_start(args, fmt);
ret += vfprintf(fp, fmt, args);
va_end(args);
return ret;
}
static int __print_attr__fprintf(FILE *fp, const char *name, const char *val, void *priv)
{
return comma_fprintf(fp, (bool *)priv, " %s: %s", name, val);
}
int perf_evsel__fprintf(struct perf_evsel *evsel,
struct perf_attr_details *details, FILE *fp)
{
bool first = true;
int printed = 0;
if (details->event_group) {
struct perf_evsel *pos;
if (!perf_evsel__is_group_leader(evsel))
return 0;
if (evsel->nr_members > 1)
printed += fprintf(fp, "%s{", evsel->group_name ?: "");
printed += fprintf(fp, "%s", perf_evsel__name(evsel));
for_each_group_member(pos, evsel)
printed += fprintf(fp, ",%s", perf_evsel__name(pos));
if (evsel->nr_members > 1)
printed += fprintf(fp, "}");
goto out;
}
printed += fprintf(fp, "%s", perf_evsel__name(evsel));
if (details->verbose) {
printed += perf_event_attr__fprintf(fp, &evsel->attr,
__print_attr__fprintf, &first);
} else if (details->freq) {
const char *term = "sample_freq";
if (!evsel->attr.freq)
term = "sample_period";
printed += comma_fprintf(fp, &first, " %s=%" PRIu64,
term, (u64)evsel->attr.sample_freq);
}
if (details->trace_fields) {
struct format_field *field;
if (evsel->attr.type != PERF_TYPE_TRACEPOINT) {
printed += comma_fprintf(fp, &first, " (not a tracepoint)");
goto out;
}
field = evsel->tp_format->format.fields;
if (field == NULL) {
printed += comma_fprintf(fp, &first, " (no trace field)");
goto out;
}
printed += comma_fprintf(fp, &first, " trace_fields: %s", field->name);
field = field->next;
while (field) {
printed += comma_fprintf(fp, &first, "%s", field->name);
field = field->next;
}
}
out:
fputc('\n', fp);
return ++printed;
}
int sample__fprintf_callchain(struct perf_sample *sample, int left_alignment,
unsigned int print_opts, struct callchain_cursor *cursor,
FILE *fp)
{
int printed = 0;
struct callchain_cursor_node *node;
int print_ip = print_opts & EVSEL__PRINT_IP;
int print_sym = print_opts & EVSEL__PRINT_SYM;
int print_dso = print_opts & EVSEL__PRINT_DSO;
int print_symoffset = print_opts & EVSEL__PRINT_SYMOFFSET;
int print_oneline = print_opts & EVSEL__PRINT_ONELINE;
int print_srcline = print_opts & EVSEL__PRINT_SRCLINE;
int print_unknown_as_addr = print_opts & EVSEL__PRINT_UNKNOWN_AS_ADDR;
int print_arrow = print_opts & EVSEL__PRINT_CALLCHAIN_ARROW;
int print_skip_ignored = print_opts & EVSEL__PRINT_SKIP_IGNORED;
char s = print_oneline ? ' ' : '\t';
bool first = true;
if (sample->callchain) {
struct addr_location node_al;
callchain_cursor_commit(cursor);
while (1) {
u64 addr = 0;
node = callchain_cursor_current(cursor);
if (!node)
break;
if (node->sym && node->sym->ignore && print_skip_ignored)
goto next;
printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " ");
if (print_arrow && !first)
printed += fprintf(fp, " <-");
if (print_ip)
printed += fprintf(fp, "%c%16" PRIx64, s, node->ip);
if (node->map)
addr = node->map->map_ip(node->map, node->ip);
if (print_sym) {
printed += fprintf(fp, " ");
node_al.addr = addr;
node_al.map = node->map;
if (print_symoffset) {
printed += __symbol__fprintf_symname_offs(node->sym, &node_al,
print_unknown_as_addr,
true, fp);
} else {
printed += __symbol__fprintf_symname(node->sym, &node_al,
print_unknown_as_addr, fp);
}
}
if (print_dso && (!node->sym || !node->sym->inlined)) {
printed += fprintf(fp, " (");
printed += map__fprintf_dsoname(node->map, fp);
printed += fprintf(fp, ")");
}
if (print_srcline)
printed += map__fprintf_srcline(node->map, addr, "\n ", fp);
if (node->sym && node->sym->inlined)
printed += fprintf(fp, " (inlined)");
if (!print_oneline)
printed += fprintf(fp, "\n");
if (symbol_conf.bt_stop_list &&
node->sym &&
strlist__has_entry(symbol_conf.bt_stop_list,
node->sym->name)) {
break;
}
first = false;
next:
callchain_cursor_advance(cursor);
}
}
return printed;
}
int sample__fprintf_sym(struct perf_sample *sample, struct addr_location *al,
int left_alignment, unsigned int print_opts,
struct callchain_cursor *cursor, FILE *fp)
{
int printed = 0;
int print_ip = print_opts & EVSEL__PRINT_IP;
int print_sym = print_opts & EVSEL__PRINT_SYM;
int print_dso = print_opts & EVSEL__PRINT_DSO;
int print_symoffset = print_opts & EVSEL__PRINT_SYMOFFSET;
int print_srcline = print_opts & EVSEL__PRINT_SRCLINE;
int print_unknown_as_addr = print_opts & EVSEL__PRINT_UNKNOWN_AS_ADDR;
if (cursor != NULL) {
printed += sample__fprintf_callchain(sample, left_alignment,
print_opts, cursor, fp);
} else {
printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " ");
if (print_ip)
printed += fprintf(fp, "%16" PRIx64, sample->ip);
if (print_sym) {
printed += fprintf(fp, " ");
if (print_symoffset) {
printed += __symbol__fprintf_symname_offs(al->sym, al,
print_unknown_as_addr,
true, fp);
} else {
printed += __symbol__fprintf_symname(al->sym, al,
print_unknown_as_addr, fp);
}
}
if (print_dso) {
printed += fprintf(fp, " (");
printed += map__fprintf_dsoname(al->map, fp);
printed += fprintf(fp, ")");
}
if (print_srcline)
printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp);
}
return printed;
}
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