view mod_measure_cpu/mod_measure_cpu.lua @ 5818:d3b69859553a

mod_password_policy: Change error type from 'cancel' to 'modify' This makes more sense, as the problem relates to the data that has been entered, and therefore the request could be retried with different data.
author Matthew Wild <mwild1@gmail.com>
date Mon, 08 Jan 2024 17:28:39 +0000
parents 2af0301af734
children
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module:set_global();

local measure = require"core.statsmanager".measure;
local mt = require"util.multitable";
local get_time = require "socket".gettime;
local get_clock = os.clock;

local measure_cpu_now = measure("amount", "cpu.percent"); -- Current percentage
local measure_cpu_total = measure("counter", "cpu.clock", { units = "seconds" });

local last_cpu_wall, last_cpu_clock;
module:hook("stats-update", function ()
	local new_wall, new_clock = get_time(), get_clock();
	local pc = 0;
	if last_cpu_wall then
		pc = 100/((new_wall-last_cpu_wall)/(new_clock-last_cpu_clock));
	end
	last_cpu_wall, last_cpu_clock = new_wall, new_clock;

	measure_cpu_now(pc);
	measure_cpu_total(new_clock);
end);

-- Some metadata for mod_munin
local munin_meta = mt.new(); munin_meta.data = module:shared"munin/meta";
local key = "global_cpu_amount";

munin_meta:set(key, "", "graph_args", "--base 1000 -r --lower-limit 0 --upper-limit 100");
munin_meta:set(key, "", "graph_title", "Prosody CPU Usage");
munin_meta:set(key, "", "graph_vlabel", "%");
munin_meta:set(key, "", "graph_category", "cpu");

munin_meta:set(key, "percent", "label", "CPU Usage");
munin_meta:set(key, "percent", "min", "0");