Mercurial > prosody-modules
view mod_measure_cpu/mod_measure_cpu.lua @ 5648:c217f4edfc4f
misc/mtail: Start of an mtail config
Stashing it here in case anyone wants to continue working on it.
Currently it's only counting log messages by level.
Due to the permissions set by systemd on Prosody logs, mtail never
managed to start correctly until permissions were manually relaxed.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Sun, 17 Sep 2023 13:36:30 +0200 |
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");