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annotate third_party/luajit/src/jit/zone.lua @ 185:dfdd66825396

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Merged in keep alive changes and mrjunejune changes.
author MrJuneJune <me@mrjunejune.com>
date Fri, 23 Jan 2026 22:22:30 -0800
parents 94705b5986b3
children
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94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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1 ----------------------------------------------------------------------------
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2 -- LuaJIT profiler zones.
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3 --
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4 -- Copyright (C) 2005-2023 Mike Pall. All rights reserved.
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5 -- Released under the MIT license. See Copyright Notice in luajit.h
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6 ----------------------------------------------------------------------------
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7 --
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8 -- This module implements a simple hierarchical zone model.
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9 --
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10 -- Example usage:
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11 --
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12 -- local zone = require("jit.zone")
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13 -- zone("AI")
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14 -- ...
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15 -- zone("A*")
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16 -- ...
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17 -- print(zone:get()) --> "A*"
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18 -- ...
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19 -- zone()
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20 -- ...
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21 -- print(zone:get()) --> "AI"
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22 -- ...
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23 -- zone()
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24 --
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25 ----------------------------------------------------------------------------
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26
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27 local remove = table.remove
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28
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29 return setmetatable({
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30 flush = function(t)
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31 for i=#t,1,-1 do t[i] = nil end
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32 end,
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33 get = function(t)
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34 return t[#t]
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35 end
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36 }, {
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37 __call = function(t, zone)
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38 if zone then
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39 t[#t+1] = zone
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40 else
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41 return (assert(remove(t), "empty zone stack"))
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42 end
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43 end
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44 })
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45