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mod_measure_cpu/mod_measure_cpu.lua @ 4764:a754f7e380b2
mod_dnsupdate: Rewrite port config vs DNS comparison code
I'm not sure if it was correct, which means it was hard to understand
and thus needed to be simplified. Hope this accomplishes that.
author | Kim Alvefur <zash@zash.se> |
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date | Mon, 08 Nov 2021 23:03:14 +0100 |
parent | 4039:2af0301af734 |
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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");