dpdk: use 1gb hugepages in priority

Even when 1GB hugepages are allocated on boot and available, trex will
try to allocate 2MB pages and ignore the 1GB pages. Change the logic and
see if 1GB hugepages can be used in priority. If there are not enough
1GB hugepages, fallback on 2MB.

Signed-off-by: Robin Jarry <rjarry@redhat.com>

Author: rjarry

scripts/dpdk_setup_ports.py

@@ -729,7 +729,7 @@ def verify_stf_file(self):
             pass # should we fail here?
 
     def is_hugepage_file_exits(self,socket_id):
-        t = ['2048','1048576']
+        t = ['1048576', '2048']
         for obj in t:
             if map_driver.args.ignore_numa:
                 filename = '/sys/kernel/mm/hugepages/hugepages-{}kB/nr_hugepages'.format(obj)