prosody-modules
7f9ff36dc8d5
mod_measure_cpu/mod_measure_cpu.lua

Find changesets by keywords by author, files, the commit message, revision number or hash, or revset expression.

Software / code / prosody-modules

Annotate

mod_measure_cpu/mod_measure_cpu.lua @ 2443:7f9ff36dc8d5

mod_http_upload: Update for size limit error reporting change in XEP-0363 v0.2 (fixes #813)
author Kim Alvefur <zash@zash.se>
date Mon, 16 Jan 2017 01:40:45 +0100
parent 1677:2a4c632a24cb
child 3431:8357cabc31f6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1677
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1 module:set_global();
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
2
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
3 local measure = require"core.statsmanager".measure;
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
4 local mt = require"util.multitable";
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
5 local get_time = require "socket".gettime;
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
6 local get_clock = os.clock;
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
7
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
8 local measure_cpu_now = measure("amount", "cpu.percent"); -- Current percentage
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
9
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
10 local last_cpu_wall, last_cpu_clock;
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
11 module:hook("stats-update", function ()
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
12 local new_wall, new_clock = get_time(), get_clock();
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
13 local pc = 0;
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
14 if last_cpu_wall then
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
15 pc = 100/((new_wall-last_cpu_wall)/(new_clock-last_cpu_clock));
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
16 end
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
17 last_cpu_wall, last_cpu_clock = new_wall, new_clock;
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
18
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
19 measure_cpu_now(pc);
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
20 end);
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
21
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
22 -- Some metadata for mod_munin
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
23 local munin_meta = mt.new(); munin_meta.data = module:shared"munin/meta";
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
24 local key = "global_cpu_amount";
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
25
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
26 munin_meta:set(key, "", "graph_args", "--base 1000 -r --lower-limit 0 --upper-limit 100");
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
27 munin_meta:set(key, "", "graph_title", "Prosody CPU Usage");
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
28 munin_meta:set(key, "", "graph_vlabel", "%");
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
29 munin_meta:set(key, "", "graph_category", "cpu");
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
30
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
31 munin_meta:set(key, "percent", "label", "CPU Usage");
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
32 munin_meta:set(key, "percent", "min", "0");
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
33