perf annotate: Move 'max_jump_sources' struct to 'struct annotated_source'

It's only used in 'perf annotate' output which means functions with actual
samples.  No need to consume memory for every symbol ('struct annotation').
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20240404175716.1225482-8-namhyung@kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/ui/browsers/annotate.c

@@ -49,7 +49,7 @@ static int ui_browser__jumps_percent_color(struct ui_browser *browser, int nr, b
 
 	if (current && (!browser->use_navkeypressed || browser->navkeypressed))
 		return HE_COLORSET_SELECTED;
-	if (nr == notes->max_jump_sources)
+	if (nr == notes->src->max_jump_sources)
 		return HE_COLORSET_TOP;
 	if (nr > 1)
 		return HE_COLORSET_MEDIUM;

tools/perf/util/annotate.c

@@ -1373,8 +1373,8 @@ annotation__mark_jump_targets(struct annotation *notes, struct symbol *sym)
 		if (target == NULL)
 			continue;
 
-		if (++target->jump_sources > notes->max_jump_sources)
-			notes->max_jump_sources = target->jump_sources;
+		if (++target->jump_sources > notes->src->max_jump_sources)
+			notes->src->max_jump_sources = target->jump_sources;
 	}
 }
 
@@ -1432,7 +1432,7 @@ annotation__init_column_widths(struct annotation *notes, struct symbol *sym)
 	notes->src->widths.addr = notes->src->widths.target =
 		notes->src->widths.min_addr = hex_width(symbol__size(sym));
 	notes->src->widths.max_addr = hex_width(sym->end);
-	notes->src->widths.jumps = width_jumps(notes->max_jump_sources);
+	notes->src->widths.jumps = width_jumps(notes->src->max_jump_sources);
 	notes->src->widths.max_ins_name = annotation__max_ins_name(notes);
 }
 

tools/perf/util/annotate.h

@@ -250,6 +250,8 @@ struct cyc_hist {
  * @nr_entries: Number of annotated_line in the source list.
  * @nr_asm_entries: Number of annotated_line with actual asm instruction in the
  * 		    source list.
+ * @max_jump_sources: Maximum number of jump instructions targeting to the same
+ * 		      instruction.
  * @widths: Precalculated width of each column in the TUI output.
  *
  * disasm_lines are allocated, percentages calculated and all sorted by percentage
@@ -265,6 +267,7 @@ struct annotated_source {
 	int    			nr_histograms;
 	int			nr_entries;
 	int			nr_asm_entries;
+	int			max_jump_sources;
 	struct {
 		u8		addr;
 		u8		jumps;
@@ -309,7 +312,6 @@ struct annotated_branch {
 struct LOCKABLE annotation {
 	u64			start;
 	int			nr_events;
-	int			max_jump_sources;
 	struct annotated_source *src;
 	struct annotated_branch *branch;
 };