numam-dpdk/usertools/cpu_layout.py
Thomas Monjalon c6dab2a873 tools: move to usertools
Rename tools/ into usertools/ to differentiate from buildtools/
and devtools/ while making clear these scripts are part of
DPDK runtime.

Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>
Tested-by: Ferruh Yigit <ferruh.yigit@intel.com>
2017-01-04 21:17:32 +01:00

99 lines
3.5 KiB
Python
Executable File

#!/usr/bin/env 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.
#
from __future__ import print_function
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)))
output = " ".ljust(max_core_id_len + len('Core '))
for s in sockets:
output += " Socket %s" % str(s).ljust(max_core_map_len - len('Socket '))
print(output)
output = " ".ljust(max_core_id_len + len('Core '))
for s in sockets:
output += " --------".ljust(max_core_map_len)
output += " "
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)
print(output)