[PATCH 1/3] perf annotate stdio: Support --show-nr-samples option

[Taeung Song]

Add --show-nr-samples option to perf-annotate
so that it corresponds with perf-report.

Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Milian Wolff <milian.wolff@xxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Signed-off-by: Taeung Song <treeze.taeung@xxxxxxxxx>
---
 tools/perf/builtin-annotate.c | 2 ++
 tools/perf/util/annotate.c    | 6 +++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 658c920..acde4cc 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -445,6 +445,8 @@ int cmd_annotate(int argc, const char **argv)
 		    "Show event group information together"),
 	OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
 		    "Show a column with the sum of periods"),
+	OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
+		    "Show a column with the number of samples"),
 	OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode",
 			     "'always' (default), 'never' or 'auto' only applicable to --stdio mode",
 			     stdio__config_color, "always"),
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 2dab0e5..4397a8b 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -1145,6 +1145,9 @@ static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 st
 			if (symbol_conf.show_total_period)
 				color_fprintf(stdout, color, " %11" PRIu64,
 					      sample.period);
+			else if (symbol_conf.show_nr_samples)
+				color_fprintf(stdout, color, " %7" PRIu64,
+					      sample.nr_samples);
 			else
 				color_fprintf(stdout, color, " %7.2f", percent);
 		}
@@ -1825,7 +1828,8 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map,
 		width *= evsel->nr_members;
 
 	graph_dotted_len = printf(" %-*.*s|	Source code & Disassembly of %s for %s (%" PRIu64 " samples)\n",
-				  width, width, symbol_conf.show_total_period ? "Event count" : "Percent",
+				  width, width, symbol_conf.show_total_period ? "Period" :
+				  symbol_conf.show_nr_samples ? "Samples" : "Percent",
 				  d_filename, evsel_name, h->nr_samples);
 
 	printf("%-*.*s----\n",
-- 
2.7.4