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annotate mod_measure_malloc/mod_measure_malloc.lua @ 5696:66986f5271c3

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mod_storage_s3: Skip archive items matching on date but not full datetime Since it only encodes dates in paths, it would have returned items from outside the specified start..end range if they were from earlier or later in the same (UTC) day.
author Kim Alvefur <zash@zash.se>
date Sat, 11 Nov 2023 22:26:39 +0100
parents b9af1ccac98b
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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2c39af0fb93b mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
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1 module:set_global();
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2
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3 local metric = require"core.statsmanager".metric;
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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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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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parents: 2436
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43 end
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44 end);