cpu usage.jl

### A Pluto.jl notebook ###
# v0.19.16

using Markdown
using InteractiveUtils

# This Pluto notebook uses @bind for interactivity. When running this notebook outside of Pluto, the following 'mock version' of @bind gives bound variables a default value (instead of an error).
macro bind(def, element)
    quote
        local iv = try Base.loaded_modules[Base.PkgId(Base.UUID("6e696c72-6542-2067-7265-42206c756150"), "AbstractPlutoDingetjes")].Bonds.initial_value catch; b -> missing; end
        local el = $(esc(element))
        global $(esc(def)) = Core.applicable(Base.get, el) ? Base.get(el) : iv(el)
        el
    end
end

# ╔═╡ d1d0c64f-1da6-436d-afa5-41b96ee3b87b
using PlutoUI

# ╔═╡ b9a24cd6-6b5d-11ed-33a5-37f88e154e87
info = Sys.cpu_info()

# ╔═╡ ade86601-e50d-41d5-8cec-52f1da13d9f1
period = 1

# ╔═╡ 6d4a8cb0-f1af-405d-9f1d-8f267b2e8ea0
@bind tick Clock(period)

# ╔═╡ 46f162d8-39b3-4436-b316-83eaa7197ddd
percentage(x::Real) = "$(round(100 * x, digits=1))%"

# ╔═╡ 337ef986-751f-417c-ac39-ffd5755c5f2c
Sys.free_memory() / Sys.total_memory() |> percentage

# ╔═╡ 8b9c9662-c7af-4b18-acd3-0e49e713ca79
idle_time(info::Sys.CPUinfo) = Int64(info.cpu_times!idle)

# ╔═╡ ff5a18c0-d6ef-4a9e-ac09-b8744e0e659d
idles = idle_time.(info)

# ╔═╡ b34fa9fc-226d-408f-99ad-e0ce4f20ec26
busy_time(info::Sys.CPUinfo) = 
	Int64(
		info.cpu_times!user +
		info.cpu_times!nice +
		info.cpu_times!sys +
		info.cpu_times!irq
	)

# ╔═╡ e904df03-b6ab-4f9d-a834-bc8a8f704e27
usages = let
	tick
	
	info = Sys.cpu_info()
	busies = busy_time.(info)
	idles = idle_time.(info)

	sleep(period)

	info = Sys.cpu_info()
	busies = busy_time.(info) .- busies
	idles = idle_time.(info) .- idles


	busies ./ (idles .+ busies)
end

# ╔═╡ 8e30faf0-b0da-4ea3-87d4-5416bc725922
percentage.(usages)

# ╔═╡ b2831af8-9099-4bf7-85c8-961878142747
percentage(sum(usages)/length(usages))

# ╔═╡ 4b7b1d7b-dbc7-4c1e-8bca-0b0cf51bb3c1
busies = busy_time.(info)

# ╔═╡ 255d1136-a32e-4950-a53a-0f90a2b8aefb


# ╔═╡ 00000000-0000-0000-0000-000000000001
PLUTO_PROJECT_TOML_CONTENTS = """
[deps]
PlutoUI = "7f904dfe-b85e-4ff6-b463-dae2292396a8"

[compat]
PlutoUI = "~0.7.48"
"""

# ╔═╡ 00000000-0000-0000-0000-000000000002
PLUTO_MANIFEST_TOML_CONTENTS = """
# This file is machine-generated - editing it directly is not advised

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[[deps.LibCURL_jll]]
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[[deps.LibGit2]]
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[[deps.LibSSH2_jll]]
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[[deps.MIMEs]]
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# ╔═╡ Cell order:
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# ╠═255d1136-a32e-4950-a53a-0f90a2b8aefb
# ╟─00000000-0000-0000-0000-000000000001
# ╟─00000000-0000-0000-0000-000000000002