Mercurial > prosody-modules

annotate mod_measure_cpu/mod_measure_cpu.lua @ 5450:d2594bbf7c36

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_http_oauth2: Scope FIXMEs
author Kim Alvefur <zash@zash.se>
date Thu, 11 May 2023 21:43:23 +0200
parents 2af0301af734
children
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
4039
2af0301af734 mod_measure_cpu: Specify units of total CPU time as seconds
Kim Alvefur <zash@zash.se>
parents: 3444
diff changeset
9 local measure_cpu_total = measure("counter", "cpu.clock", { units = "seconds" });
1677
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
10
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
11 local last_cpu_wall, last_cpu_clock;
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
12 module:hook("stats-update", function ()
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
13 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
14 local pc = 0;
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
15 if last_cpu_wall then
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
16 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
17 end
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
18 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
19
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
20 measure_cpu_now(pc);
3444
e0fb97f47212 mod_measure_cpu: Rename counter metric to avoid name clash (thanks pep.)
Kim Alvefur <zash@zash.se>
parents: 3431
diff changeset
21 measure_cpu_total(new_clock);
1677
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
22 end);
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
23
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
24 -- Some metadata for mod_munin
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
25 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
26 local key = "global_cpu_amount";
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
27
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
28 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
29 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
30 munin_meta:set(key, "", "graph_vlabel", "%");
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
31 munin_meta:set(key, "", "graph_category", "cpu");
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
32
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
33 munin_meta:set(key, "percent", "label", "CPU Usage");
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
34 munin_meta:set(key, "percent", "min", "0");
2a4c632a24cb mod_measure_cpu: Collect CPU usage statistic
Kim Alvefur <zash@zash.se>
parents:
diff changeset
35