Mercurial > prosody-modules
annotate mod_measure_memory/mod_measure_memory.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> |
---|---|
date | Mon, 08 Nov 2021 23:03:14 +0100 |
parents | e17c937a71b3 |
children |
rev | line source |
---|---|
1623
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
1 module:set_global(); |
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
2 |
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
3 local measure = require"core.statsmanager".measure; |
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
4 |
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
5 local measures = {}; |
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
6 setmetatable(measures, { |
1655
4d38b8c03dfe
mod_measure_memory: Silence warnings [luacheck]
Kim Alvefur <zash@zash.se>
parents:
1623
diff
changeset
|
7 __index = function (t, k) |
4040
e17c937a71b3
mod_measure_memory: Report that stats are in units of bytes
Kim Alvefur <zash@zash.se>
parents:
3365
diff
changeset
|
8 local m = measure("amount", "memory."..k, { units = "bytes" }); t[k] = m; return m; |
1623
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
9 end |
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
10 }); |
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
11 |
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
12 module:hook("stats-update", function () |
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
13 measures.lua(collectgarbage("count")*1024); |
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
14 end); |
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
15 |
1655
4d38b8c03dfe
mod_measure_memory: Silence warnings [luacheck]
Kim Alvefur <zash@zash.se>
parents:
1623
diff
changeset
|
16 if require"lfs".attributes("/proc/self/statm", "mode") == "file" then |
1623
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
17 local pagesize = module:get_option_number("memory_pagesize", 4096); -- getconf PAGESIZE |
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
18 |
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
19 module:hook("stats-update", function () |
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
20 local statm, err = io.open("/proc/self/statm"); |
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
21 if not statm then |
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
22 module:log("error", tostring(err)); |
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
23 return; |
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
24 end |
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
25 -- virtual memory (caches, opened librarys, everything) |
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
26 measures.total(statm:read("*n") * pagesize); |
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
27 -- resident set size (actually used memory) |
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
28 measures.rss(statm:read("*n") * pagesize); |
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
29 statm:close(); |
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
30 end); |
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
31 end |