rtems/rtems-source-builder
1
0
Fork 0
mirror of https://git.rtems.org/rtems-source-builder synced 2024-10-09 07:15:10 +08:00
Code Issues Packages Projects Releases Wiki Activity

sb: Use multiprocessing.cpu_count()

Browse Source 
The previous implementation does not work on some Linux distributions,
e.g. Debian on sparc64.  Use a standard function instead.
This commit is contained in:
Sebastian Huber 2020-03-05 10:36:08 +01:00
parent 08da44903f
commit e0394a5c70
1 changed files with 2 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
source-builder/sb/linux.py
View File

@ -22,29 +22,15 @@
# RTEMS project's spec files. # RTEMS project's spec files.
# #
import multiprocessing
import pprint import pprint
import os import os
import platform import platform
import execute
import path import path
def load(): def load():
uname = os.uname() uname = os.uname()
smp_mflags = ''
processors = '/bin/grep processor /proc/cpuinfo'
e = execute.capture_execution()
exit_code, proc, output = e.shell(processors)
ncpus = 0
if exit_code == 0:
try:
for l in output.split('\n'):
count = l.split(':')[1].strip()
if int(count) > ncpus:
ncpus = int(count)
except:
pass
ncpus = str(ncpus + 1)
if uname[4].startswith('arm'): if uname[4].startswith('arm'):
cpu = 'arm' cpu = 'arm'
else: else:
@ -52,7 +38,7 @@ def load():
version = uname[2] version = uname[2]
defines = { defines = {
'_ncpus': ('none', 'none', ncpus), '_ncpus': ('none', 'none', str(multiprocessing.cpu_count())),
'_os': ('none', 'none', 'linux'), '_os': ('none', 'none', 'linux'),
'_host': ('triplet', 'required', cpu + '-linux-gnu'), '_host': ('triplet', 'required', cpu + '-linux-gnu'),
'_host_vendor': ('none', 'none', 'gnu'), '_host_vendor': ('none', 'none', 'gnu'),