File

+
−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");
+
−