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mod_measure_memory/mod_measure_memory.lua @ 6213:811bd0872682
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| author | Stephen Paul Weber <singpolyma@singpolyma.net> |
|---|---|
| date | Mon, 24 Mar 2025 08:53:36 -0500 |
| parent | 4040:e17c937a71b3 |
| rev | line source |
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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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changeset
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1 module:set_global(); |
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2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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2 |
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2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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3 local measure = require"core.statsmanager".measure; |
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2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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4 |
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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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changeset
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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
Kim Alvefur <zash@zash.se>
parents:
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6 setmetatable(measures, { |
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mod_measure_memory: Silence warnings [luacheck]
Kim Alvefur <zash@zash.se>
parents:
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7 __index = function (t, k) |
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e17c937a71b3
mod_measure_memory: Report that stats are in units of bytes
Kim Alvefur <zash@zash.se>
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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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changeset
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10 }); |
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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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changeset
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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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2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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15 |
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1655
4d38b8c03dfe
mod_measure_memory: Silence warnings [luacheck]
Kim Alvefur <zash@zash.se>
parents:
1623
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16 if require"lfs".attributes("/proc/self/statm", "mode") == "file" then |
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2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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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>
parents:
diff
changeset
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18 |
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2c39af0fb93b
mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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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:
diff
changeset
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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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mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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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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Kim Alvefur <zash@zash.se>
parents:
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changeset
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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:
diff
changeset
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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:
diff
changeset
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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:
diff
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28 measures.rss(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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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:
diff
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31 end |
