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