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annotate mod_measure_memory/mod_measure_memory.lua @ 6352:525655adfd3e

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mod_report_affiliations: Fix traceback a non-user is sending a presence For now we won’t touch their presence instead of emiting this traceback: error Traceback[s2s]: /usr/lib/prosody/core/rostermanager.lua:275: attempt to concatenate a nil value (local 'username') stack traceback: /usr/lib/prosody/core/rostermanager.lua:275: in function 'prosody.core.rostermanager.is_user_subscribed' ...ules/mod_report_affiliations/mod_report_affiliations.lua:116: in field '?' /usr/lib/prosody/util/events.lua:81: in function </usr/lib/prosody/util/events.lua:77> (...tail calls...) /usr/lib/prosody/core/stanza_router.lua:184: in upvalue 'core_post_stanza' /usr/lib/prosody/modules/mod_presence.lua:244: in function </usr/lib/prosody/modules/mod_presence.lua:231> (...tail calls...) /usr/lib/prosody/util/events.lua:81: in function </usr/lib/prosody/util/events.lua:77> (...tail calls...) /usr/lib/prosody/core/stanza_router.lua:188: in upvalue 'core_post_stanza' /usr/lib/prosody/core/stanza_router.lua:128: in upvalue 'core_process_stanza' /usr/lib/prosody/modules/mod_s2s.lua:818: in upvalue 'func' /usr/lib/prosody/util/async.lua:149: in function </usr/lib/prosody/util/async.lua:147>
author Link Mauve <linkmauve@linkmauve.fr>
date Tue, 30 Dec 2025 13:19:43 +0100
parents e17c937a71b3
children
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2c39af0fb93b mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
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1 module:set_global();
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2
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3 local measure = require"core.statsmanager".measure;
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4
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5 local measures = {};
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6 setmetatable(measures, {
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7 __index = function (t, k)
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8 local m = measure("amount", "memory."..k, { units = "bytes" }); t[k] = m; return m;
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9 end
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10 });
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11
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12 module:hook("stats-update", function ()
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13 measures.lua(collectgarbage("count")*1024);
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14 end);
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15
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16 if require"lfs".attributes("/proc/self/statm", "mode") == "file" then
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17 local pagesize = module:get_option_number("memory_pagesize", 4096); -- getconf PAGESIZE
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18
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19 module:hook("stats-update", function ()
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20 local statm, err = io.open("/proc/self/statm");
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21 if not statm then
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22 module:log("error", tostring(err));
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23 return;
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24 end
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25 -- virtual memory (caches, opened librarys, everything)
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26 measures.total(statm:read("*n") * pagesize);
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27 -- resident set size (actually used memory)
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28 measures.rss(statm:read("*n") * pagesize);
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29 statm:close();
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30 end);
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31 end