mbuf: extend meaning of QinQ stripped bit

[dpdk.git] / usertools / cpu_layout.py

diff --git a/usertools/cpu_layout.py b/usertools/cpu_layout.py
index 5735891..5423c79 100755 (executable)
--- a/usertools/cpu_layout.py
+++ b/usertools/cpu_layout.py
@@ -1,40 +1,18 @@
 #!/usr/bin/env python
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2010-2014 Intel Corporation
+# Copyright(c) 2017 Cavium, Inc. All rights reserved.
 
-#
-#   BSD LICENSE
-#
-#   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
-#   Copyright(c) 2017 Cavium Networks Ltd. All rights reserved.
-#   All rights reserved.
-#
-#   Redistribution and use in source and binary forms, with or without
-#   modification, are permitted provided that the following conditions
-#   are met:
-#
-#     * Redistributions of source code must retain the above copyright
-#       notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above copyright
-#       notice, this list of conditions and the following disclaimer in
-#       the documentation and/or other materials provided with the
-#       distribution.
-#     * Neither the name of Intel Corporation nor the names of its
-#       contributors may be used to endorse or promote products derived
-#       from this software without specific prior written permission.
-#
-#   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-#   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-#   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-#   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-#   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-#   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-#   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-#   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-#   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-#   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-#   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-#
 from __future__ import print_function
 import sys
+try:
+    xrange # Python 2
+except NameError:
+    xrange = range # Python 3
+
+if sys.version_info.major < 3:
+    print("WARNING: Python 2 is deprecated for use in DPDK, and will not work in future releases.", file=sys.stderr)
+    print("Please use Python 3 instead", file=sys.stderr)
 
 sockets = []
 cores = []
@@ -46,6 +24,8 @@ fd.close()
 for cpu in xrange(max_cpus + 1):
     try:
         fd = open("{}/cpu{}/topology/core_id".format(base_path, cpu))
+    except IOError:
+        continue
     except:
         break
     core = int(fd.read())
@@ -70,7 +50,10 @@ print("sockets = ", sockets)
 print("")
 
 max_processor_len = len(str(len(cores) * len(sockets) * 2 - 1))
-max_core_map_len = max_processor_len * 2 + len('[, ]') + len('Socket ')
+max_thread_count = len(list(core_map.values())[0])
+max_core_map_len = (max_processor_len * max_thread_count)  \
+                      + len(", ") * (max_thread_count - 1) \
+                      + len('[]') + len('Socket ')
 max_core_id_len = len(str(max(cores)))
 
 output = " ".ljust(max_core_id_len + len('Core '))
@@ -87,5 +70,8 @@ print(output)
 for c in cores:
     output = "Core %s" % str(c).ljust(max_core_id_len)
     for s in sockets:
-        output += " " + str(core_map[(s, c)]).ljust(max_core_map_len)
+        if (s,c) in core_map:
+            output += " " + str(core_map[(s, c)]).ljust(max_core_map_len)
+        else:
+            output += " " * (max_core_map_len + 1)
     print(output)