Module: Spider::Memory

Defined in:
lib/spiderfw/utils/memory.rb

Class Method Summary collapse

Class Method Details

.get_memory_usage ⇒ Object 



14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
 
# File 'lib/spiderfw/utils/memory.rb', line 14

def self.get_memory_usage
    if defined? WIN32OLE
        wmi = WIN32OLE.connect("winmgmts:root/cimv2")
        mem = 0
        query = "select * from Win32_Process where ProcessID = #{$$}"
        wmi.ExecQuery(query).each do |wproc|
            mem = wproc.WorkingSetSize
        end
        mem.to_i / 1000
    elsif proc_file = File.new("/proc/#{$$}/smaps") rescue nil
        proc_file.map do |line|
            size = line[/Size: *(\d+)/, 1] and size.to_i
        end.compact.inject(0){ |s, v| s += v }
    else
        `ps -o vsz= -p #{$$}`.to_i
    end
end