[bug] get_cpus is not supporting cgroup2
* [bug] get_cpus is not supporting cgroup2
* Fix cgroup2 "max" case
When $MAX == "max", there is no limit on the cpu usage set
Use multiprocessing.cpu_count() function in that case
import math
import multiprocessing
+import os
from conans.util.files import load
@@ -15,6 +16,16 @@ def _cpu_count():
try:
try:
# This is necessary to deduce docker cpu_count
+ cfs_quota_us = cfs_period_us = 0
+ # cgroup2
+ if os.path.exists("/sys/fs/cgroup/cgroup.controllers"):
+ cpu_max = load("/sys/fs/cgroup/cpu.max").split()
+ if cpu_max[0] != "max":
+ if len(cpu_max) == 1:
+ cfs_quota_us, cfs_period_us = int(cpu_max[0]), 100_000
+ else:
+ cfs_quota_us, cfs_period_us = map(int, cpu_max)
+ else: # cgroup1
cfs_quota_us = int(load("/sys/fs/cgroup/cpu/cpu.cfs_quota_us"))
cfs_period_us = int(load("/sys/fs/cgroup/cpu/cpu.cfs_period_us"))
if cfs_quota_us > 0 and cfs_period_us > 0:
