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mod_measure_memory/mod_measure_memory.lua @ 2999:d631fd9a3300
mod_register_web: Handle errors contacting upstream API
author | Matthew Wild <mwild1@gmail.com> |
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date | Sun, 15 Apr 2018 12:39:32 +0100 |
parent | 2708:07d6077d2db7 |
child | 3365: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