Mercurial > prosody-modules
annotate mod_measure_cpu/mod_measure_cpu.lua @ 2491:5fbca7de2088
mod_smacks: Send out more ack requests where needed
Under some circumstances it was possible that more than "max_unacked_stanzas"
where left in the outgoing stanza queue without forcing an ack.
This could happen, when more stanzas entered the queue while the last ack request
was still unanswered.
Now the test "#queue > max_unacked_stanzas" is done upon receiving
an ack as well as when sending out stanzas, which fixes this bug.
author | tmolitor <thilo@eightysoft.de> |
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date | Sun, 12 Feb 2017 19:27:50 +0100 |
parents | 2a4c632a24cb |
children | 8357cabc31f6 |
rev | line source |
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mod_measure_cpu: Collect CPU usage statistic
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1 module:set_global(); |
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2 |
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3 local measure = require"core.statsmanager".measure; |
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4 local mt = require"util.multitable"; |
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5 local get_time = require "socket".gettime; |
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6 local get_clock = os.clock; |
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7 |
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8 local measure_cpu_now = measure("amount", "cpu.percent"); -- Current percentage |
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9 |
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10 local last_cpu_wall, last_cpu_clock; |
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11 module:hook("stats-update", function () |
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12 local new_wall, new_clock = get_time(), get_clock(); |
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13 local pc = 0; |
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14 if last_cpu_wall then |
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15 pc = 100/((new_wall-last_cpu_wall)/(new_clock-last_cpu_clock)); |
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16 end |
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17 last_cpu_wall, last_cpu_clock = new_wall, new_clock; |
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18 |
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19 measure_cpu_now(pc); |
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20 end); |
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21 |
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22 -- Some metadata for mod_munin |
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23 local munin_meta = mt.new(); munin_meta.data = module:shared"munin/meta"; |
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24 local key = "global_cpu_amount"; |
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25 |
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26 munin_meta:set(key, "", "graph_args", "--base 1000 -r --lower-limit 0 --upper-limit 100"); |
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27 munin_meta:set(key, "", "graph_title", "Prosody CPU Usage"); |
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28 munin_meta:set(key, "", "graph_vlabel", "%"); |
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29 munin_meta:set(key, "", "graph_category", "cpu"); |
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30 |
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31 munin_meta:set(key, "percent", "label", "CPU Usage"); |
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32 munin_meta:set(key, "percent", "min", "0"); |
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33 |