Module: Process::Metrics::Host::Memory::Linux

Defined in:
lib/process/metrics/host/memory/linux.rb

Overview

Linux host memory: tries cgroup v2, then cgroup v1, then /proc/meminfo.

Defined Under Namespace

Classes: CgroupV1, CgroupV2, Meminfo

Constant Summary collapse

DEFAULT_CGROUP_ROOT = 
"/sys/fs/cgroup"

Class Method Summary collapse

Class Method Details

.capture(cgroup_root: DEFAULT_CGROUP_ROOT) ⇒ Object 



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# File 'lib/process/metrics/host/memory/linux.rb', line 13

def self.capture(cgroup_root: DEFAULT_CGROUP_ROOT)
	if Memory::Linux::CgroupV2.supported?(cgroup_root)
		if capture = Memory::Linux::CgroupV2.new(cgroup_root: cgroup_root).capture
			return capture
		end
	end
	
	if Memory::Linux::CgroupV1.supported?(cgroup_root)
		if capture = Memory::Linux::CgroupV1.new(cgroup_root: cgroup_root).capture
			return capture
		end
	end
	
	return Memory::Linux::Meminfo.new.capture if Memory::Linux::Meminfo.supported?
end