prosody-modules: mod_measure_memory/mod_measure

annotate mod_measure_memory/mod_measure_memory.lua @ 4609:fcfe691d6322

mod_pubsub_summary: Use pre-escaped UTF-8 sequence for compat This silences a warning about using the non-existent global 'utf8' each time this line was hit. The utf8 library was introduced in Lua 5.3, so the warning would appear with 5.1 and 5.2.

author	Kim Alvefur <zash@zash.se>
date	Wed, 30 Jun 2021 15:53:49 +0200
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

Mercurial > prosody-modules

annotate mod_measure_memory/mod_measure_memory.lua @ 4609:fcfe691d6322