perf session: Move perf report specific hits out of perf_session__fprintf_hists

Those don't make sense for tools such as 'perf diff'.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1260973631-28035-2-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

tools/perf/builtin-report.c

@@ -224,7 +224,12 @@ static int __cmd_report(void)
 
 	perf_session__collapse_resort(session);
 	perf_session__output_resort(session, session->events_stats.total);
+	fprintf(stdout, "# Samples: %ld\n#\n", session->events_stats.total);
 	perf_session__fprintf_hists(session, stdout);
+	if (sort_order == default_sort_order &&
+	    parent_pattern == default_parent_pattern)
+		fprintf(stdout, "#\n# (For a higher level overview, try: perf report --sort comm,dso)\n#\n");
+
 	if (show_threads) {
 		bool raw_printing_style = !strcmp(pretty_printing_style, "raw");
 		perf_read_values_display(stdout, &show_threads_values,

tools/perf/util/hist.c

@@ -515,9 +515,6 @@ size_t perf_session__fprintf_hists(struct perf_session *self, FILE *fp)
 
 	init_rem_hits();
 
-	fprintf(fp, "# Samples: %ld\n", self->events_stats.total);
-	fprintf(fp, "#\n");
-
 	fprintf(fp, "# Overhead");
 	if (symbol_conf.show_nr_samples) {
 		if (symbol_conf.field_sep)
@@ -578,14 +575,6 @@ print_entries:
 		ret += hist_entry__fprintf(fp, pos, self);
 	}
 
-	if (sort_order == default_sort_order &&
-			parent_pattern == default_parent_pattern) {
-		fprintf(fp, "#\n");
-		fprintf(fp, "# (For a higher level overview, try: perf report --sort comm,dso)\n");
-		fprintf(fp, "#\n");
-	}
-	fprintf(fp, "\n");
-
 	free(rem_sq_bracket);
 
 	return ret;