prosody-modules: mod_measure_memory/mod_measure

annotate mod_measure_memory/mod_measure_memory.lua @ 3866:c0df50ce96f0

mod_rest: Handle internal http request errors early and then return Skips over attempted parsing of the payload which usually failed since the body is an error string like "connection refused", so this produced useless errors.

author	Kim Alvefur <zash@zash.se>
date	Sat, 25 Jan 2020 20:22:12 +0100
parents	a5a5f85d7ca1
children	e17c937a71b3

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)
3365 a5a5f85d7ca1 mod_measure_memory: Use the 'amount' measure type Kim Alvefur <zash@zash.se> parents: 2708 diff changeset	8 local m = measure("amount", "memory."..k); 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 @ 3866:c0df50ce96f0