Change the default sort order to Descending
currently with ascending sort the useful information
is commonly beyond the bottom of the terminal window
and it is necessary to reverse the sort manually every execution.

Signed-off-by: Mark Kogan <mkogan@redhat.com>
diff --git a/tools/cachetop.py b/tools/cachetop.py
index 00b11a8..803e2a0 100755
--- a/tools/cachetop.py
+++ b/tools/cachetop.py
@@ -136,7 +136,7 @@
     stdscr.nodelay(1)
     # set default sorting field
     sort_field = FIELDS.index(DEFAULT_FIELD)
-    sort_reverse = False
+    sort_reverse = True
 
     # load BPF program
     bpf_text = """