Sha256: f68c884214013e6e0a83160646ca513c6c18c8e39e7c284026fe17b05ed139fd
Contents?: true
Size: 970 Bytes
Versions: 43
Compression:
Stored size: 970 Bytes
Contents
module ScoutRails::Instruments
module Process
class ProcessMemory
def run
res=nil
platform = RUBY_PLATFORM.downcase
if platform =~ /linux/
res = get_mem_from_procfile
elsif platform =~ /darwin9/ # 10.5
res = get_mem_from_shell("ps -o rsz")
elsif platform =~ /darwin1[01]/ # 10.6 & 10.7
res = get_mem_from_shell("ps -o rss")
end
return res
end
private
def get_mem_from_procfile
res = nil
proc_status = File.open(procfile, "r") { |f| f.read_nonblock(4096).strip }
if proc_status =~ /RSS:\s*(\d+) kB/i
res= $1.to_f / 1024.0
end
res
end
def procfile
"/proc/#{$$}/status"
end
# memory in MB the current process is using
def get_mem_from_shell(command)
res = `#{command} #{$$}`.split("\n")[1].to_f / 1024.0 #rescue nil
res
end
end
end
end
Version data entries
43 entries across 43 versions & 2 rubygems