Class: Henitai::AvailableCpuCount

Inherits:
Object
  • Object
show all
Defined in:
lib/henitai/available_cpu_count.rb

Overview

Detects the effective CPU count available to the current process.

Constant Summary collapse

CFS_QUOTA_PATH = 
"/sys/fs/cgroup/cpu/cpu.cfs_quota_us"
CFS_PERIOD_PATH = 
"/sys/fs/cgroup/cpu/cpu.cfs_period_us"

Class Method Summary collapse

Class Method Details

.detect ⇒ Object 



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# File 'lib/henitai/available_cpu_count.rb', line 12

def detect
  counts = [Etc.nprocessors, cgroup_cpu_quota, cpuset_cpu_count].compact.select(&:positive?)
  counts.min || 1
end