Mercurial > prosody-modules
view mod_measure_memory/mod_measure_memory.lua @ 2903:01692f0052e8
mod_cache_c2s_caps: Use prosody.full_sessions instead of _G.full_sessions (thanks luacheck)
author | Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> |
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date | Wed, 07 Mar 2018 17:42:38 +0100 |
parents | 07d6077d2db7 |
children | a5a5f85d7ca1 |
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module:set_global(); local measure = require"core.statsmanager".measure; local measures = {}; setmetatable(measures, { __index = function (t, k) local m = measure("sizes", "memory."..k); t[k] = m; return m; end }); module:hook("stats-update", function () measures.lua(collectgarbage("count")*1024); end); if require"lfs".attributes("/proc/self/statm", "mode") == "file" then local pagesize = module:get_option_number("memory_pagesize", 4096); -- getconf PAGESIZE module:hook("stats-update", function () local statm, err = io.open("/proc/self/statm"); if not statm then module:log("error", tostring(err)); return; end -- virtual memory (caches, opened librarys, everything) measures.total(statm:read("*n") * pagesize); -- resident set size (actually used memory) measures.rss(statm:read("*n") * pagesize); statm:close(); end); end