numam-dpdk/tools/cpu_layout.py
Keith Wiles 0f0ae3f1b0 tools: remove extra blank lines in CPU layout
The output for the core list included an extra linefeed making
the number of lines displayed much larger then required.

Signed-off-by: Keith Wiles <keith.wiles@intel.com>
2016-03-24 22:04:10 +01:00

96 lines
3.3 KiB
Python
Executable File

#! /usr/bin/python
#
# BSD LICENSE
#
# Copyright(c) 2010-2014 Intel Corporation. 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.
#
import sys
sockets = []
cores = []
core_map = {}
fd=open("/proc/cpuinfo")
lines = fd.readlines()
fd.close()
core_details = []
core_lines = {}
for line in lines:
if len(line.strip()) != 0:
name, value = line.split(":", 1)
core_lines[name.strip()] = value.strip()
else:
core_details.append(core_lines)
core_lines = {}
for core in core_details:
for field in ["processor", "core id", "physical id"]:
if field not in core:
print "Error getting '%s' value from /proc/cpuinfo" % field
sys.exit(1)
core[field] = int(core[field])
if core["core id"] not in cores:
cores.append(core["core id"])
if core["physical id"] not in sockets:
sockets.append(core["physical id"])
key = (core["physical id"], core["core id"])
if key not in core_map:
core_map[key] = []
core_map[key].append(core["processor"])
print "============================================================"
print "Core and Socket Information (as reported by '/proc/cpuinfo')"
print "============================================================\n"
print "cores = ",cores
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_core_id_len = len(str(max(cores)))
print " ".ljust(max_core_id_len + len('Core ')),
for s in sockets:
print "Socket %s" % str(s).ljust(max_core_map_len - len('Socket ')),
print ""
print " ".ljust(max_core_id_len + len('Core ')),
for s in sockets:
print "--------".ljust(max_core_map_len),
print ""
for c in cores:
print "Core %s" % str(c).ljust(max_core_id_len),
for s in sockets:
print str(core_map[(s,c)]).ljust(max_core_map_len),
print ""