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Update cpu_usage.ex

pull/1035/head
Gabriel Burnworth 2019-10-02 10:56:30 -07:00 committed by Connor Rigby
parent 726393f012
commit d2b18768c8
1 changed files with 6 additions and 1 deletions
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7
farmbot_os/platform/target/info_workers/cpu_usage.ex
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@ -26,6 +26,11 @@ defmodule FarmbotOS.Platform.Target.InfoWorker.CpuUsage do
end
def collect_report do
round(:erlang.statistics(:scheduler_wall_time))
:erlang.system_flag(:scheduler_wall_time, true)
stat0 = :lists.sort(:erlang.statistics(:scheduler_wall_time))
Process.sleep(1000)
stat1 = :lists.sort(:erlang.statistics(:scheduler_wall_time))
{active, total} = Enum.zip(stat0, stat1) |> List.foldl({0, 0}, fn {{_, a0, t0}, {_, a1, t1}}, {ai, ti} -> {ai + (a1 - a0), ai + (t1 - t0)} end)
((active / total) * (:erlang.system_info(:schedulers) + :erlang.system_info(:dirty_cpu_schedulers))) / :erlang.system_info(:logical_processors_available)
end
end