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annotate mod_measure_lua/mod_measure_lua.lua @ 4595:bac3dae031ee

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Add note of incompatibility with trunk since 5f15ab7c6ae5
author Kim Alvefur <zash@zash.se>
date Sat, 19 Jun 2021 12:55:14 +0200
parents d95fcde6e39d
children 3c3f45241317
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4578
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
Jonas Schäfer <jonas@wielicki.name>
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1 module:set_global()
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2
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
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parents:
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3 local custom_metric = require "core.statsmanager".metric
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
Jonas Schäfer <jonas@wielicki.name>
parents:
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4 local gc_bytes = custom_metric(
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
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5 "gauge", "lua_heap", "bytes",
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
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6 "Memory used by objects under control of the Lua garbage collector"
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
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7 ):with_labels()
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8
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
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9 module:hook("stats-update", function ()
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
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10 local kbytes = collectgarbage("count");
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
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11 gc_bytes:set(kbytes * 1024);
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12 end);
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13