Mercurial > prosody-modules

annotate mod_measure_malloc/mod_measure_malloc.lua @ 5173:460f78654864

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mod_muc_rtbl: also filter messages This was a bit tricky because we don't want to run the JIDs through SHA256 on each message. Took a while to come up with this simple plan of just caching the SHA256 of the JIDs on the occupants. This will leave some dirt in the occupants after unloading the module, but that should be ok; once they cycle the room, the hashes will be gone. This is direly needed, otherwise, there is a tight race between the moderation activities and the actors joining the room.
author Jonas Schäfer <jonas@wielicki.name>
date Tue, 21 Feb 2023 21:37:27 +0100
parents b9af1ccac98b
children
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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>
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1 module:set_global();
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2
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5b4f43b90766 mod_measure_malloc: port to most recent trunk statistics API
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3 local metric = require"core.statsmanager".metric;
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07d6077d2db7 mod_measure_memory: Split out mallinfo measuring into a separate module, mod_measure_malloc
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parents: 2436
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4 local pposix = require"util.pposix";
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5
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6 local allocated = metric(
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7 "gauge", "malloc_heap_allocated", "bytes",
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8 "Allocated bytes by mode of allocation",
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9 {"mode"}
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10 );
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11
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12 local used = metric(
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13 "gauge", "malloc_heap_used", "bytes",
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14 "Used bytes"
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15 ):with_labels();
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16
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17 local unused = metric(
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18 "gauge", "malloc_heap_unused", "bytes",
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19 "Unused bytes"
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20 ):with_labels();
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21
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22 local returnable = metric(
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23 "gauge", "malloc_heap_returnable", "bytes",
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24 "Returnable bytes"
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25 ):with_labels();
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26
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27 module:hook("stats-update", function ()
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b9af1ccac98b mod_measure_malloc: Fix accidental global variable write [luacheck]
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28 local meminfo = pposix.meminfo();
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29 if meminfo.allocated then
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30 allocated:with_labels("sbrk"):set(meminfo.allocated);
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31 end
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32 if meminfo.allocated_mmap then
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33 allocated:with_labels("mmap"):set(meminfo.allocated_mmap);
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34 end
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35 if meminfo.used then
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36 used:set(meminfo.used);
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37 end
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38 if meminfo.unused then
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39 unused:set(meminfo.unused);
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40 end
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41 if meminfo.returnable then
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42 returnable:set(meminfo.returnable);
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07d6077d2db7 mod_measure_memory: Split out mallinfo measuring into a separate module, mod_measure_malloc
Kim Alvefur <zash@zash.se>
parents: 2436
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43 end
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parents:
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44 end);