Mercurial > prosody-modules

annotate mod_statistics_mem/mod_statistics_mem.lua @ 4980:da151f9af861

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replaced 'session' with 'origin' in push_disable session is not defined in this function, trying to access it leads to an error. The correct reference seems to be 'origin'. (This may have come about by copying from the similar code in process_stanza_queue.)
author arcseconds
date Sat, 30 Jul 2022 21:07:47 +1200
parents 403d5cd924eb
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1379
403d5cd924eb mod_statistics_mem: Module that collects memory usage stats from /proc
Kim Alvefur <zash@zash.se>
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1 -- Probably Linux-specific memory statistics
403d5cd924eb mod_statistics_mem: Module that collects memory usage stats from /proc
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2
403d5cd924eb mod_statistics_mem: Module that collects memory usage stats from /proc
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3 module:set_global();
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4
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Kim Alvefur <zash@zash.se>
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5 local human;
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6 do
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Kim Alvefur <zash@zash.se>
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7 local tostring = tostring;
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Kim Alvefur <zash@zash.se>
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8 local s_format = string.format;
403d5cd924eb mod_statistics_mem: Module that collects memory usage stats from /proc
Kim Alvefur <zash@zash.se>
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9 local m_floor = math.floor;
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10 local m_max = math.max;
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Kim Alvefur <zash@zash.se>
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11 local prefixes = "kMGTPEZY";
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Kim Alvefur <zash@zash.se>
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12 local multiplier = 1024;
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13
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14 function human(num)
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Kim Alvefur <zash@zash.se>
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15 num = tonumber(num) or 0;
403d5cd924eb mod_statistics_mem: Module that collects memory usage stats from /proc
Kim Alvefur <zash@zash.se>
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16 local m = 0;
403d5cd924eb mod_statistics_mem: Module that collects memory usage stats from /proc
Kim Alvefur <zash@zash.se>
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17 while num >= multiplier and m < #prefixes do
403d5cd924eb mod_statistics_mem: Module that collects memory usage stats from /proc
Kim Alvefur <zash@zash.se>
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18 num = num / multiplier;
403d5cd924eb mod_statistics_mem: Module that collects memory usage stats from /proc
Kim Alvefur <zash@zash.se>
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19 m = m + 1;
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20 end
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21
403d5cd924eb mod_statistics_mem: Module that collects memory usage stats from /proc
Kim Alvefur <zash@zash.se>
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22 return s_format("%0."..m_max(0,3-#tostring(m_floor(num))).."f%sB",
403d5cd924eb mod_statistics_mem: Module that collects memory usage stats from /proc
Kim Alvefur <zash@zash.se>
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23 num, m > 0 and (prefixes:sub(m,m) .. "i") or "");
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24 end
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25 end
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26
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27
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Kim Alvefur <zash@zash.se>
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28 local pagesize = 4096; -- according to getpagesize()
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29 module:provides("statistics", {
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30 statistics = {
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Kim Alvefur <zash@zash.se>
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31 memory_total = { -- virtual memory
403d5cd924eb mod_statistics_mem: Module that collects memory usage stats from /proc
Kim Alvefur <zash@zash.se>
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32 get = function ()
403d5cd924eb mod_statistics_mem: Module that collects memory usage stats from /proc
Kim Alvefur <zash@zash.se>
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33 local statm, err = io.open"/proc/self/statm";
403d5cd924eb mod_statistics_mem: Module that collects memory usage stats from /proc
Kim Alvefur <zash@zash.se>
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34 if statm then
403d5cd924eb mod_statistics_mem: Module that collects memory usage stats from /proc
Kim Alvefur <zash@zash.se>
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35 local total = statm:read"*n";
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Kim Alvefur <zash@zash.se>
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36 statm:close();
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37 return total * pagesize;
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38 else
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39 module:log("debug", err);
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40 end
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41 end;
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Kim Alvefur <zash@zash.se>
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42 tostring = human;
403d5cd924eb mod_statistics_mem: Module that collects memory usage stats from /proc
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43 };
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Kim Alvefur <zash@zash.se>
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44 memory_rss = { -- actual in-memory data size
403d5cd924eb mod_statistics_mem: Module that collects memory usage stats from /proc
Kim Alvefur <zash@zash.se>
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45 get = function ()
403d5cd924eb mod_statistics_mem: Module that collects memory usage stats from /proc
Kim Alvefur <zash@zash.se>
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46 local statm, err = io.open"/proc/self/statm";
403d5cd924eb mod_statistics_mem: Module that collects memory usage stats from /proc
Kim Alvefur <zash@zash.se>
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47 if statm then
403d5cd924eb mod_statistics_mem: Module that collects memory usage stats from /proc
Kim Alvefur <zash@zash.se>
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48 statm:read"*n"; -- Total size, ignore
403d5cd924eb mod_statistics_mem: Module that collects memory usage stats from /proc
Kim Alvefur <zash@zash.se>
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49 local rss = statm:read"*n";
403d5cd924eb mod_statistics_mem: Module that collects memory usage stats from /proc
Kim Alvefur <zash@zash.se>
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50 statm:close();
403d5cd924eb mod_statistics_mem: Module that collects memory usage stats from /proc
Kim Alvefur <zash@zash.se>
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51 return rss * pagesize;
403d5cd924eb mod_statistics_mem: Module that collects memory usage stats from /proc
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52 else
403d5cd924eb mod_statistics_mem: Module that collects memory usage stats from /proc
Kim Alvefur <zash@zash.se>
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53 module:log("debug", err);
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54 end
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Kim Alvefur <zash@zash.se>
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55 end;
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Kim Alvefur <zash@zash.se>
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56 tostring = human;
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57 };
403d5cd924eb mod_statistics_mem: Module that collects memory usage stats from /proc
Kim Alvefur <zash@zash.se>
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58 }
403d5cd924eb mod_statistics_mem: Module that collects memory usage stats from /proc
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59 });