perf annotate TUI: Fix --show-total-period

We were showing the number of samples, not the total period, fix it.

Reported-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Martin Liška <mliska@suse.cz>
Cc: Milian Wolff <milian.wolff@kdab.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Fixes: 0c4a5bcea460 ("perf annotate: Display total number of samples with --show-total-period")
Link: http://lkml.kernel.org/r/1500500223-16753-1-git-send-email-treeze.taeung@gmail.com
[ extracted from a larger patch ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/ui/browsers/annotate.c

@@ -152,7 +152,7 @@ static void annotate_browser__write(struct ui_browser *browser, void *entry, int
 						current_entry);
 			if (annotate_browser__opts.show_total_period) {
 				ui_browser__printf(browser, "%6" PRIu64 " ",
-						   bdl->samples[i].he.nr_samples);
+						   bdl->samples[i].he.period);
 			} else {
 				ui_browser__printf(browser, "%6.2f ",
 						   bdl->samples[i].percent);