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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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perf annotate: Separate objdump parsing from actual screen rendering
Because in 'perf top' we'll need to parse just once and then, as samples come, render multiple times with evolving counter values. Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Tom Zanussi <tzanussi@gmail.com> LKML-Reference: <new-submission> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -421,21 +421,16 @@ static void symbol__annotate_hits(struct symbol *sym, int evidx)
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printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->sum", h->sum);
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}
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int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx,
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bool print_lines, bool full_paths, int min_pcnt,
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int max_lines)
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void symbol__annotate_printf(struct symbol *sym, struct map *map,
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struct list_head *head, int evidx, bool full_paths,
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int min_pcnt, int max_lines)
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{
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struct dso *dso = map->dso;
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const char *filename = dso->long_name, *d_filename;
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struct rb_root source_line = RB_ROOT;
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struct objdump_line *pos, *n;
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LIST_HEAD(head);
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struct objdump_line *pos;
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int printed = 2;
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u64 len;
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if (symbol__annotate(sym, map, &head, 0) < 0)
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return -1;
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if (full_paths)
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d_filename = filename;
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else
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@ -443,28 +438,57 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx,
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len = sym->end - sym->start;
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printf(" Percent | Source code & Disassembly of %s\n", d_filename);
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printf("------------------------------------------------\n");
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if (verbose)
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symbol__annotate_hits(sym, evidx);
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list_for_each_entry(pos, head, node) {
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objdump_line__print(pos, head, sym, evidx, len, min_pcnt);
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if (max_lines && ++printed >= max_lines)
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break;
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}
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}
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void objdump_line_list__purge(struct list_head *head)
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{
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struct objdump_line *pos, *n;
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list_for_each_entry_safe(pos, n, head, node) {
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list_del(&pos->node);
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objdump_line__free(pos);
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}
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}
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int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx,
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bool print_lines, bool full_paths, int min_pcnt,
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int max_lines)
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{
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struct dso *dso = map->dso;
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const char *filename = dso->long_name;
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struct rb_root source_line = RB_ROOT;
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LIST_HEAD(head);
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u64 len;
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if (symbol__annotate(sym, map, &head, 0) < 0)
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return -1;
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len = sym->end - sym->start;
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if (print_lines) {
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symbol__get_source_line(sym, map, evidx, &source_line,
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len, filename);
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print_summary(&source_line, filename);
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}
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printf(" Percent | Source code & Disassembly of %s\n", d_filename);
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printf("------------------------------------------------\n");
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if (verbose)
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symbol__annotate_hits(sym, evidx);
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list_for_each_entry_safe(pos, n, &head, node) {
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objdump_line__print(pos, &head, sym, evidx, len, min_pcnt);
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list_del(&pos->node);
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objdump_line__free(pos);
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if (max_lines && ++printed >= max_lines)
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break;
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}
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symbol__annotate_printf(sym, map, &head, evidx, full_paths,
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min_pcnt, max_lines);
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if (print_lines)
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symbol__free_source_line(sym, len);
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objdump_line_list__purge(&head);
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return 0;
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}
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@ -67,6 +67,10 @@ int symbol__alloc_hist(struct symbol *sym, int nevents);
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int symbol__annotate(struct symbol *sym, struct map *map,
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struct list_head *head, size_t privsize);
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void symbol__annotate_printf(struct symbol *sym, struct map *map,
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struct list_head *head, int evidx, bool full_paths,
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int min_pcnt, int max_lines);
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void objdump_line_list__purge(struct list_head *head);
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int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx,
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bool print_lines, bool full_paths, int min_pcnt,
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