Mercurial > prosody-modules
annotate mod_measure_memory/mod_measure_memory.lua @ 4813:0a257d1402c3
mod_muc_rtbl: Optimize case with zero hashes
On the assumption that during quiet times between torrents of spam,
the hash set would be empty. There would be no point in doing the
operations and hashes to check for a match in that case.
author | Kim Alvefur <zash@zash.se> |
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date | Mon, 06 Dec 2021 18:19:19 +0100 |
parents | e17c937a71b3 |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
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1 module:set_global(); |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
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2 |
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
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3 local measure = require"core.statsmanager".measure; |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
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4 |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
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5 local measures = {}; |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
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6 setmetatable(measures, { |
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mod_measure_memory: Silence warnings [luacheck]
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7 __index = function (t, k) |
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mod_measure_memory: Report that stats are in units of bytes
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8 local m = measure("amount", "memory."..k, { units = "bytes" }); t[k] = m; return m; |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
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9 end |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
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10 }); |
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
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11 |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
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12 module:hook("stats-update", function () |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
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13 measures.lua(collectgarbage("count")*1024); |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
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14 end); |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
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15 |
1655
4d38b8c03dfe
mod_measure_memory: Silence warnings [luacheck]
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16 if require"lfs".attributes("/proc/self/statm", "mode") == "file" then |
1623
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
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17 local pagesize = module:get_option_number("memory_pagesize", 4096); -- getconf PAGESIZE |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
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18 |
2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
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19 module:hook("stats-update", function () |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
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20 local statm, err = io.open("/proc/self/statm"); |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
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21 if not statm then |
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Kim Alvefur <zash@zash.se>
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22 module:log("error", tostring(err)); |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
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23 return; |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
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24 end |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
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25 -- virtual memory (caches, opened librarys, everything) |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
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26 measures.total(statm:read("*n") * pagesize); |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
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27 -- resident set size (actually used memory) |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
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28 measures.rss(statm:read("*n") * pagesize); |
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29 statm:close(); |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
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30 end); |
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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
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31 end |