module:set_global(); local measure = require"core.statsmanager".measure; local have_pposix, pposix = pcall(require, "util.pposix"); 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 have_pposix and pposix.meminfo then module:hook("stats-update", function () local m = measures; for k, v in pairs(pposix.meminfo()) do m[k](v); end end); 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