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annotate mod_measure_cpu/mod_measure_cpu.lua @ 5820:742142f9771e

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mod_groups_internal: Fix traceback when room doesn't exist I'm not sure if it should even be included if it doesn't exist, but I'm not currently sure how this situation occurs, so I'm implementing the lightest possible fix for now.
author Matthew Wild <mwild1@gmail.com>
date Thu, 11 Jan 2024 15:53:18 +0000
parents 2af0301af734
children
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2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
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1 module:set_global();
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2
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3 local measure = require"core.statsmanager".measure;
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4 local mt = require"util.multitable";
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5 local get_time = require "socket".gettime;
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6 local get_clock = os.clock;
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8 local measure_cpu_now = measure("amount", "cpu.percent"); -- Current percentage
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2af0301af734 mod_measure_cpu: Specify units of total CPU time as seconds
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9 local measure_cpu_total = measure("counter", "cpu.clock", { units = "seconds" });
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11 local last_cpu_wall, last_cpu_clock;
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12 module:hook("stats-update", function ()
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13 local new_wall, new_clock = get_time(), get_clock();
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14 local pc = 0;
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15 if last_cpu_wall then
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16 pc = 100/((new_wall-last_cpu_wall)/(new_clock-last_cpu_clock));
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17 end
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18 last_cpu_wall, last_cpu_clock = new_wall, new_clock;
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20 measure_cpu_now(pc);
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e0fb97f47212 mod_measure_cpu: Rename counter metric to avoid name clash (thanks pep.)
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21 measure_cpu_total(new_clock);
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22 end);
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24 -- Some metadata for mod_munin
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25 local munin_meta = mt.new(); munin_meta.data = module:shared"munin/meta";
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26 local key = "global_cpu_amount";
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28 munin_meta:set(key, "", "graph_args", "--base 1000 -r --lower-limit 0 --upper-limit 100");
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29 munin_meta:set(key, "", "graph_title", "Prosody CPU Usage");
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30 munin_meta:set(key, "", "graph_vlabel", "%");
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31 munin_meta:set(key, "", "graph_category", "cpu");
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33 munin_meta:set(key, "percent", "label", "CPU Usage");
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34 munin_meta:set(key, "percent", "min", "0");
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