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mod_measure_memory/mod_measure_memory.lua @ 4503:80912726405d
mod_rest: Allow passing e.g. disco 'node' as a ?query variable
This enables e.g.
GET /disco/pubsub.example.org?node=princely_musings
Note the hack to skip this for ping.
author | Kim Alvefur <zash@zash.se> |
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date | Sun, 07 Mar 2021 22:01:50 +0100 (2021-03-07) |
parent | 4040:e17c937a71b3 |
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module:set_global(); local measure = require"core.statsmanager".measure; local measures = {}; setmetatable(measures, { __index = function (t, k) local m = measure("amount", "memory."..k, { units = "bytes" }); 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