Mercurial > prosody-modules
annotate mod_measure_cpu/mod_measure_cpu.lua @ 4688:05725276fac0
mod_bookmarks2: Use same default as mod_pep for max_items
Should fix the issue with max items until the proper "max" can be used,
by following the configured max.
While "max" is already in trunk, it's not easily usable in 0.11.x
This limit and option was added to mod_pep in Prosody rev aefb96a52f5f
author | Kim Alvefur <zash@zash.se> |
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date | Wed, 15 Sep 2021 17:39:37 +0200 |
parents | 2af0301af734 |
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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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mod_measure_cpu: Specify units of total CPU time as seconds
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9 local measure_cpu_total = measure("counter", "cpu.clock", { units = "seconds" }); |
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10 |
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11 local last_cpu_wall, last_cpu_clock; |
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12 module:hook("stats-update", function () |
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13 local new_wall, new_clock = get_time(), get_clock(); |
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14 local pc = 0; |
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15 if last_cpu_wall then |
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16 pc = 100/((new_wall-last_cpu_wall)/(new_clock-last_cpu_clock)); |
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17 end |
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18 last_cpu_wall, last_cpu_clock = new_wall, new_clock; |
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19 |
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20 measure_cpu_now(pc); |
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mod_measure_cpu: Rename counter metric to avoid name clash (thanks pep.)
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21 measure_cpu_total(new_clock); |
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22 end); |
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23 |
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24 -- Some metadata for mod_munin |
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25 local munin_meta = mt.new(); munin_meta.data = module:shared"munin/meta"; |
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26 local key = "global_cpu_amount"; |
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27 |
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28 munin_meta:set(key, "", "graph_args", "--base 1000 -r --lower-limit 0 --upper-limit 100"); |
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29 munin_meta:set(key, "", "graph_title", "Prosody CPU Usage"); |
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30 munin_meta:set(key, "", "graph_vlabel", "%"); |
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31 munin_meta:set(key, "", "graph_category", "cpu"); |
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32 |
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33 munin_meta:set(key, "percent", "label", "CPU Usage"); |
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34 munin_meta:set(key, "percent", "min", "0"); |
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35 |