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mod_measure_process/mod_measure_process.lua @ 5151:514c8a0e9aa1
mod_unified_push: Fix default ACL in component mode
author | Matthew Wild <mwild1@gmail.com> |
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date | Sat, 14 Jan 2023 16:14:50 +0000 |
parent | 4878:c26f515751af |
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module:set_global() local get_cpu_time = os.clock local custom_metric = require "core.statsmanager".metric local cpu_time = custom_metric( "counter", "process_cpu", "seconds", "CPU time used by Prosody as reported by clock(3)." ):with_labels() local lfs = require "lfs" module:hook("stats-update", function () cpu_time:set(get_cpu_time()) end); if lfs.attributes("/proc/self/statm", "mode") == "file" then local pagesize = module:get_option_number("memory_pagesize", 4096); -- getconf PAGESIZE local vsz = custom_metric( "gauge", "process_virtual_memory", "bytes", "Virtual memory size in bytes." ):with_labels() local rss = custom_metric( "gauge", "process_resident_memory", "bytes", "Resident memory size in bytes." ):with_labels() 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) vsz:set(statm:read("*n") * pagesize); -- resident set size (actually used memory) rss:set(statm:read("*n") * pagesize); statm:close(); end); end if lfs.attributes("/proc/self/fd", "mode") == "directory" then local open_fds = custom_metric( "gauge", "process_open_fds", "", "Number of open file descriptors." ):with_labels() local has_posix, posix = pcall(require, "util.pposix") local max_fds if has_posix then max_fds = custom_metric( "gauge", "process_max_fds", "", "Maximum number of open file descriptors" ):with_labels() else module:log("warn", "not reporting maximum number of file descriptors because mod_posix is not available") end local function limit2num(limit) if limit == "unlimited" then return math.huge end return limit end module:hook("stats-update", function () local count = 0 for _ in lfs.dir("/proc/self/fd") do count = count + 1 end open_fds:set(count) if has_posix then local ok, soft, hard = posix.getrlimit("NOFILE") if ok then max_fds:set(limit2num(soft or hard)); end end end); end