Sha256: 3110c99a16c268d769e91d974eb645da0beb482a6bd010acffb7a708bf8e2bd9
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Versions: 37
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Contents
module ScoutApm
module Instruments
module Process
class ProcessMemory
attr_reader :logger
def initialize(logger)
@logger = logger
end
def metric_name
"Memory/Physical"
end
def human_name
"Process Memory"
end
def run
case RUBY_PLATFORM.downcase
when /linux/
get_mem_from_procfile
when /darwin9/ # 10.5
get_mem_from_shell("ps -o rsz")
when /darwin1[0123]/ # 10.6 - 10.10
get_mem_from_shell("ps -o rss")
else
0 # What default? was nil.
end.tap { |res| logger.debug "#{human_name}: #{res.inspect}" }
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
end
Version data entries
37 entries across 37 versions & 1 rubygems