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comparison mod_measure_malloc/mod_measure_malloc.lua @ 4575:5b4f43b90766

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mod_measure_malloc: port to most recent trunk statistics API
author Jonas Schäfer <jonas@wielicki.name>
date Tue, 25 May 2021 19:01:54 +0200
parents a83eed629d4b
children b9af1ccac98b
comparison
equal deleted inserted replaced
4574:38d80dbfee88 4575:5b4f43b90766
1 module:set_global(); 1 module:set_global();
2 2
3 local measure = require"core.statsmanager".measure; 3 local metric = require"core.statsmanager".metric;
4 local pposix = require"util.pposix"; 4 local pposix = require"util.pposix";
5 5
6 local measures = {}; 6 local allocated = metric(
7 setmetatable(measures, { 7 "gauge", "malloc_heap_allocated", "bytes",
8 __index = function (t, k) 8 "Allocated bytes by mode of allocation",
9 local m = measure("amount", "memory."..k); t[k] = m; return m; 9 {"mode"}
10 );
11
12 local used = metric(
13 "gauge", "malloc_heap_used", "bytes",
14 "Used bytes"
15 ):with_labels();
16
17 local unused = metric(
18 "gauge", "malloc_heap_unused", "bytes",
19 "Unused bytes"
20 ):with_labels();
21
22 local returnable = metric(
23 "gauge", "malloc_heap_returnable", "bytes",
24 "Returnable bytes"
25 ):with_labels();
26
27 module:hook("stats-update", function ()
28 meminfo = pposix.meminfo();
29 if meminfo.allocated then
30 allocated:with_labels("sbrk"):set(meminfo.allocated);
10 end 31 end
11 }); 32 if meminfo.allocated_mmap then
12 module:hook("stats-update", function () 33 allocated:with_labels("mmap"):set(meminfo.allocated_mmap);
13 local m = measures; 34 end
14 for k, v in pairs(pposix.meminfo()) do 35 if meminfo.used then
15 m[k](v); 36 used:set(meminfo.used);
37 end
38 if meminfo.unused then
39 unused:set(meminfo.unused);
40 end
41 if meminfo.returnable then
42 returnable:set(meminfo.returnable);
16 end 43 end
17 end); 44 end);