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Contents
module Perus::Pinger
class Process < Command
description 'Measures percentage of RAM and CPU used by the process
specified by "process_path". The results are returned to
the server under 2 metrics called "cpu_{name}" and
"mem_{name}". Valid values for "process_path" are
contained in the pinger config file.'
option :process_path, restricted: true
option :name
metric!
def run
path = options.process_path.gsub("/", "\\/")
cpu, mem = shell("ps aux | awk '/#{path}/ {cpu += $3; mem += $4} END {print cpu, mem;}'").split
if darwin?
core_count = shell('sysctl -n hw.ncpu')
else
core_count = shell("cat /proc/cpuinfo | grep processor | awk '{count += 1} END {print count}'")
end
{
"cpu_#{options.name}" => cpu.to_f / core_count.to_i,
"mem_#{options.name}" => mem.to_f
}
end
end
end
Version data entries
41 entries across 41 versions & 1 rubygems