perf annotate: Config options for symbol__tty_annotate
Max line# that should be printed, minimum percentage filter, just like 'perf top', alas, due to it :-) 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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@ -95,7 +95,7 @@ static int process_sample_event(union perf_event *event,
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static int hist_entry__tty_annotate(struct hist_entry *he, int evidx)
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{
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return symbol__tty_annotate(he->ms.sym, he->ms.map, evidx,
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print_line, full_paths);
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print_line, full_paths, 0, 0);
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}
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static void hists__find_annotations(struct hists *self)
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@ -87,7 +87,7 @@ struct objdump_line *objdump__get_next_ip_line(struct list_head *head,
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static void objdump_line__print(struct objdump_line *oline,
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struct list_head *head, struct symbol *sym,
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int evidx, u64 len)
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int evidx, u64 len, int min_pcnt)
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{
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static const char *prev_line;
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static const char *prev_color;
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@ -118,6 +118,9 @@ static void objdump_line__print(struct objdump_line *oline,
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if (src_line == NULL && h->sum)
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percent = 100.0 * hits / h->sum;
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if (percent < min_pcnt)
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return;
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color = get_percent_color(percent);
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/*
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@ -419,13 +422,15 @@ static void symbol__annotate_hits(struct symbol *sym, int evidx)
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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)
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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, *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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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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@ -444,7 +449,6 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx,
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print_summary(&source_line, filename);
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}
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printf("\n\n------------------------------------------------\n");
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printf(" Percent | Source code & Disassembly of %s\n", d_filename);
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printf("------------------------------------------------\n");
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@ -452,9 +456,11 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx,
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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);
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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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if (print_lines)
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@ -69,7 +69,8 @@ int symbol__annotate(struct symbol *sym, struct map *map,
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struct list_head *head, size_t privsize);
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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);
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bool print_lines, bool full_paths, int min_pcnt,
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int max_lines);
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#ifdef NO_NEWT_SUPPORT
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static inline int symbol__tui_annotate(symbol *sym __used,
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