prosody-modules
dc7c9ae15f43
mod_measure_process/mod_measure_process.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_process/mod_measure_process.lua @ 4888:dc7c9ae15f43

mod_rest: Ensure mod_http is loaded before API demo Fixes an error as it tried to use module:http_url() which doesn't exist before mod_http is loaded
author Kim Alvefur <zash@zash.se>
date Tue, 08 Feb 2022 13:51:41 +0100
parent 4878:c26f515751af
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4554
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
1 module:set_global()
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
2
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
3 local get_cpu_time = os.clock
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
4
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
5 local custom_metric = require "core.statsmanager".metric
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
6 local cpu_time = custom_metric(
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
7 "counter", "process_cpu", "seconds",
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
8 "CPU time used by Prosody as reported by clock(3)."
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
9 ):with_labels()
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
10
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
11 local lfs = require "lfs"
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
12
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
13 module:hook("stats-update", function ()
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
14 cpu_time:set(get_cpu_time())
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
15 end);
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
16
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
17 if lfs.attributes("/proc/self/statm", "mode") == "file" then
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
18 local pagesize = module:get_option_number("memory_pagesize", 4096); -- getconf PAGESIZE
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
19
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
20 local vsz = custom_metric(
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
21 "gauge", "process_virtual_memory", "bytes",
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
22 "Virtual memory size in bytes."
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
23 ):with_labels()
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
24 local rss = custom_metric(
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
25 "gauge", "process_resident_memory", "bytes",
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
26 "Resident memory size in bytes."
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
27 ):with_labels()
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
28
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
29 module:hook("stats-update", function ()
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
30 local statm, err = io.open("/proc/self/statm");
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
31 if not statm then
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
32 module:log("error", tostring(err));
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
33 return;
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
34 end
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
35 -- virtual memory (caches, opened librarys, everything)
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
36 vsz:set(statm:read("*n") * pagesize);
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
37 -- resident set size (actually used memory)
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
38 rss:set(statm:read("*n") * pagesize);
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
39 statm:close();
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
40 end);
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
41 end
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
42
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
43 if lfs.attributes("/proc/self/fd", "mode") == "directory" then
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
44 local open_fds = custom_metric(
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
45 "gauge", "process_open_fds", "",
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
46 "Number of open file descriptors."
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
47 ):with_labels()
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
48
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
49 local has_posix, posix = pcall(require, "util.pposix")
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
50 local max_fds
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
51 if has_posix then
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
52 max_fds = custom_metric(
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
53 "gauge", "process_max_fds", "",
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
54 "Maximum number of open file descriptors"
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
55 ):with_labels()
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
56 else
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
57 module:log("warn", "not reporting maximum number of file descriptors because mod_posix is not available")
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
58 end
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
59
4878
c26f515751af mod_measure_process: Handle unlimited FD limits
Kim Alvefur <zash@zash.se>
parents: 4877
diff changeset
60 local function limit2num(limit)
c26f515751af mod_measure_process: Handle unlimited FD limits
Kim Alvefur <zash@zash.se>
parents: 4877
diff changeset
61 if limit == "unlimited" then
c26f515751af mod_measure_process: Handle unlimited FD limits
Kim Alvefur <zash@zash.se>
parents: 4877
diff changeset
62 return math.huge
c26f515751af mod_measure_process: Handle unlimited FD limits
Kim Alvefur <zash@zash.se>
parents: 4877
diff changeset
63 end
c26f515751af mod_measure_process: Handle unlimited FD limits
Kim Alvefur <zash@zash.se>
parents: 4877
diff changeset
64 return limit
c26f515751af mod_measure_process: Handle unlimited FD limits
Kim Alvefur <zash@zash.se>
parents: 4877
diff changeset
65 end
c26f515751af mod_measure_process: Handle unlimited FD limits
Kim Alvefur <zash@zash.se>
parents: 4877
diff changeset
66
4554
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
67 module:hook("stats-update", function ()
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
68 local count = 0
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
69 for _ in lfs.dir("/proc/self/fd") do
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
70 count = count + 1
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
71 end
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
72 open_fds:set(count)
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
73
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
74 if has_posix then
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
75 local ok, soft, hard = posix.getrlimit("NOFILE")
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
76 if ok then
4878
c26f515751af mod_measure_process: Handle unlimited FD limits
Kim Alvefur <zash@zash.se>
parents: 4877
diff changeset
77 max_fds:set(limit2num(soft or hard));
4554
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
78 end
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
79 end
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
80 end);
025cf93acfe9 mod_measure_process: Provide metrics about the process itself
Jonas Schäfer <jonas@wielicki.name>
parents:
diff changeset
81 end