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>

1 files changed, 5 insertions, 0 deletions

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 24d20e7d125a..c4f3a08f7c48 100644
--- a/tools/perf/builtin-report.c
+++ b/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,