debian-mirror-gitlab/lib/gitlab/metrics/system.rb

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module Gitlab
module Metrics
# Module for gathering system/process statistics such as the memory usage.
#
# This module relies on the /proc filesystem being available. If /proc is
# not available the methods of this module will be stubbed.
module System
if File.exist?('/proc')
# Returns the current process' memory usage in bytes.
def self.memory_usage
mem = 0
match = File.read('/proc/self/status').match(/VmRSS:\s+(\d+)/)
if match and match[1]
mem = match[1].to_f * 1024
end
mem
end
def self.file_descriptor_count
Dir.glob('/proc/self/fd/*').length
end
else
def self.memory_usage
0.0
end
def self.file_descriptor_count
0
end
end
end
end
end