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annotate third_party/luajit/src/jit/p.lua @ 279:b3b547563ec7

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Add Google connector service and agent wiki Implement the C/Seobeo Google Drive and Gmail connector with encrypted OAuth storage, Zenbu authentication, browser testing, AI tool discovery, chunked HTTP decoding, and Bazel coverage. Consolidate repository guidance into progressive wiki documentation and enforce arena-first allocation for new first-party C code. Co-authored-by: Copilot <[email protected]> Copilot-Session: 84c338fd-0939-4bb3-b7f3-1062eb213e5d
author MrJuneJune <me@mrjunejune.com>
date Mon, 17 Aug 2026 22:22:36 -0700
parents 94705b5986b3
children
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178
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1 ----------------------------------------------------------------------------
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2 -- LuaJIT profiler.
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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 is a simple command line interface to the built-in
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9 -- low-overhead profiler of LuaJIT.
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10 --
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11 -- The lower-level API of the profiler is accessible via the "jit.profile"
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12 -- module or the luaJIT_profile_* C API.
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13 --
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14 -- Example usage:
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15 --
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16 -- luajit -jp myapp.lua
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17 -- luajit -jp=s myapp.lua
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18 -- luajit -jp=-s myapp.lua
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19 -- luajit -jp=vl myapp.lua
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20 -- luajit -jp=G,profile.txt myapp.lua
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21 --
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22 -- The following dump features are available:
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23 --
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24 -- f Stack dump: function name, otherwise module:line. Default mode.
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25 -- F Stack dump: ditto, but always prepend module.
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26 -- l Stack dump: module:line.
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27 -- <number> stack dump depth (callee < caller). Default: 1.
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28 -- -<number> Inverse stack dump depth (caller > callee).
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29 -- s Split stack dump after first stack level. Implies abs(depth) >= 2.
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30 -- p Show full path for module names.
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31 -- v Show VM states. Can be combined with stack dumps, e.g. vf or fv.
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32 -- z Show zones. Can be combined with stack dumps, e.g. zf or fz.
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33 -- r Show raw sample counts. Default: show percentages.
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34 -- a Annotate excerpts from source code files.
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35 -- A Annotate complete source code files.
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36 -- G Produce raw output suitable for graphical tools (e.g. flame graphs).
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37 -- m<number> Minimum sample percentage to be shown. Default: 3.
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38 -- i<number> Sampling interval in milliseconds. Default: 10.
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39 --
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40 ----------------------------------------------------------------------------
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41
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42 -- Cache some library functions and objects.
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43 local jit = require("jit")
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44 local profile = require("jit.profile")
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45 local vmdef = require("jit.vmdef")
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46 local math = math
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47 local pairs, ipairs, tonumber, floor = pairs, ipairs, tonumber, math.floor
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48 local sort, format = table.sort, string.format
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49 local stdout = io.stdout
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50 local zone -- Load jit.zone module on demand.
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51
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52 -- Output file handle.
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53 local out
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54
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55 ------------------------------------------------------------------------------
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56
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57 local prof_ud
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58 local prof_states, prof_split, prof_min, prof_raw, prof_fmt, prof_depth
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59 local prof_ann, prof_count1, prof_count2, prof_samples
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60
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61 local map_vmmode = {
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62 N = "Compiled",
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63 I = "Interpreted",
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64 C = "C code",
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65 G = "Garbage Collector",
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66 J = "JIT Compiler",
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67 }
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68
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69 -- Profiler callback.
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70 local function prof_cb(th, samples, vmmode)
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71 prof_samples = prof_samples + samples
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72 local key_stack, key_stack2, key_state
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73 -- Collect keys for sample.
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74 if prof_states then
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75 if prof_states == "v" then
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76 key_state = map_vmmode[vmmode] or vmmode
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77 else
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78 key_state = zone:get() or "(none)"
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79 end
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80 end
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81 if prof_fmt then
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82 key_stack = profile.dumpstack(th, prof_fmt, prof_depth)
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83 key_stack = key_stack:gsub("%[builtin#(%d+)%]", function(x)
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84 return vmdef.ffnames[tonumber(x)]
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85 end)
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86 if prof_split == 2 then
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87 local k1, k2 = key_stack:match("(.-) [<>] (.*)")
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88 if k2 then key_stack, key_stack2 = k1, k2 end
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89 elseif prof_split == 3 then
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90 key_stack2 = profile.dumpstack(th, "l", 1)
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91 end
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92 end
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93 -- Order keys.
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94 local k1, k2
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95 if prof_split == 1 then
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96 if key_state then
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97 k1 = key_state
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98 if key_stack then k2 = key_stack end
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99 end
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100 elseif key_stack then
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101 k1 = key_stack
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102 if key_stack2 then k2 = key_stack2 elseif key_state then k2 = key_state end
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103 end
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104 -- Coalesce samples in one or two levels.
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105 if k1 then
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106 local t1 = prof_count1
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107 t1[k1] = (t1[k1] or 0) + samples
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108 if k2 then
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109 local t2 = prof_count2
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110 local t3 = t2[k1]
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111 if not t3 then t3 = {}; t2[k1] = t3 end
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112 t3[k2] = (t3[k2] or 0) + samples
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113 end
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114 end
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115 end
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116
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117 ------------------------------------------------------------------------------
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118
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119 -- Show top N list.
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120 local function prof_top(count1, count2, samples, indent)
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121 local t, n = {}, 0
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122 for k in pairs(count1) do
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123 n = n + 1
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124 t[n] = k
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125 end
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126 sort(t, function(a, b) return count1[a] > count1[b] end)
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127 for i=1,n do
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128 local k = t[i]
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
129 local v = count1[k]
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
130 local pct = floor(v*100/samples + 0.5)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
131 if pct < prof_min then break end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
132 if not prof_raw then
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
133 out:write(format("%s%2d%% %s\n", indent, pct, k))
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
134 elseif prof_raw == "r" then
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
135 out:write(format("%s%5d %s\n", indent, v, k))
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
136 else
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
137 out:write(format("%s %d\n", k, v))
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
138 end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
139 if count2 then
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
140 local r = count2[k]
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
141 if r then
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
142 prof_top(r, nil, v, (prof_split == 3 or prof_split == 1) and " -- " or
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
143 (prof_depth < 0 and " -> " or " <- "))
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
144 end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
145 end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
146 end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
147 end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
148
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
149 -- Annotate source code
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
150 local function prof_annotate(count1, samples)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
151 local files = {}
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
152 local ms = 0
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
153 for k, v in pairs(count1) do
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
154 local pct = floor(v*100/samples + 0.5)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
155 ms = math.max(ms, v)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
156 if pct >= prof_min then
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
157 local file, line = k:match("^(.*):(%d+)$")
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
158 if not file then file = k; line = 0 end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
159 local fl = files[file]
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
160 if not fl then fl = {}; files[file] = fl; files[#files+1] = file end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
161 line = tonumber(line)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
162 fl[line] = prof_raw and v or pct
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
163 end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
164 end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
165 sort(files)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
166 local fmtv, fmtn = " %3d%% | %s\n", " | %s\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
167 if prof_raw then
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
168 local n = math.max(5, math.ceil(math.log10(ms)))
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
169 fmtv = "%"..n.."d | %s\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
170 fmtn = (" "):rep(n).." | %s\n"
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
171 end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
172 local ann = prof_ann
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
173 for _, file in ipairs(files) do
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
174 local f0 = file:byte()
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
175 if f0 == 40 or f0 == 91 then
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
176 out:write(format("\n====== %s ======\n[Cannot annotate non-file]\n", file))
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
177 break
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
178 end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
179 local fp, err = io.open(file)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
180 if not fp then
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
181 out:write(format("====== ERROR: %s: %s\n", file, err))
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
182 break
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
183 end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
184 out:write(format("\n====== %s ======\n", file))
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
185 local fl = files[file]
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
186 local n, show = 1, false
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
187 if ann ~= 0 then
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
188 for i=1,ann do
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
189 if fl[i] then show = true; out:write("@@ 1 @@\n"); break end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
190 end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
191 end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
192 for line in fp:lines() do
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
193 if line:byte() == 27 then
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
194 out:write("[Cannot annotate bytecode file]\n")
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
195 break
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
196 end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
197 local v = fl[n]
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
198 if ann ~= 0 then
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
199 local v2 = fl[n+ann]
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
200 if show then
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
201 if v2 then show = n+ann elseif v then show = n
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
202 elseif show+ann < n then show = false end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
203 elseif v2 then
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
204 show = n+ann
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
205 out:write(format("@@ %d @@\n", n))
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
206 end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
207 if not show then goto next end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
208 end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
209 if v then
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
210 out:write(format(fmtv, v, line))
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
211 else
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
212 out:write(format(fmtn, line))
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
213 end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
214 ::next::
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
215 n = n + 1
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
216 end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
217 fp:close()
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
218 end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
219 end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
220
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
221 ------------------------------------------------------------------------------
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
222
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
223 -- Finish profiling and dump result.
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
224 local function prof_finish()
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
225 if prof_ud then
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
226 profile.stop()
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
227 local samples = prof_samples
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
228 if samples == 0 then
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
229 if prof_raw ~= true then out:write("[No samples collected]\n") end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
230 return
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
231 end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
232 if prof_ann then
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
233 prof_annotate(prof_count1, samples)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
234 else
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
235 prof_top(prof_count1, prof_count2, samples, "")
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
236 end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
237 prof_count1 = nil
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
238 prof_count2 = nil
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
239 prof_ud = nil
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
240 if out ~= stdout then out:close() end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
241 end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
242 end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
243
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
244 -- Start profiling.
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
245 local function prof_start(mode)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
246 local interval = ""
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
247 mode = mode:gsub("i%d*", function(s) interval = s; return "" end)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
248 prof_min = 3
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
249 mode = mode:gsub("m(%d+)", function(s) prof_min = tonumber(s); return "" end)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
250 prof_depth = 1
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
251 mode = mode:gsub("%-?%d+", function(s) prof_depth = tonumber(s); return "" end)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
252 local m = {}
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
253 for c in mode:gmatch(".") do m[c] = c end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
254 prof_states = m.z or m.v
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
255 if prof_states == "z" then zone = require("jit.zone") end
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
256 local scope = m.l or m.f or m.F or (prof_states and "" or "f")
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
257 local flags = (m.p or "")
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
258 prof_raw = m.r
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
259 if m.s then
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
260 prof_split = 2
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
261 if prof_depth == -1 or m["-"] then prof_depth = -2
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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262 elseif prof_depth == 1 then prof_depth = 2 end
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263 elseif mode:find("[fF].*l") then
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264 scope = "l"
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265 prof_split = 3
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266 else
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267 prof_split = (scope == "" or mode:find("[zv].*[lfF]")) and 1 or 0
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268 end
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269 prof_ann = m.A and 0 or (m.a and 3)
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270 if prof_ann then
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271 scope = "l"
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272 prof_fmt = "pl"
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273 prof_split = 0
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274 prof_depth = 1
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275 elseif m.G and scope ~= "" then
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276 prof_fmt = flags..scope.."Z;"
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277 prof_depth = -100
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278 prof_raw = true
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279 prof_min = 0
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280 elseif scope == "" then
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281 prof_fmt = false
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282 else
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283 local sc = prof_split == 3 and m.f or m.F or scope
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284 prof_fmt = flags..sc..(prof_depth >= 0 and "Z < " or "Z > ")
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285 end
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286 prof_count1 = {}
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287 prof_count2 = {}
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288 prof_samples = 0
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289 profile.start(scope:lower()..interval, prof_cb)
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290 prof_ud = newproxy(true)
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291 getmetatable(prof_ud).__gc = prof_finish
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292 end
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293
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294 ------------------------------------------------------------------------------
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295
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296 local function start(mode, outfile)
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297 if not outfile then outfile = os.getenv("LUAJIT_PROFILEFILE") end
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298 if outfile then
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299 out = outfile == "-" and stdout or assert(io.open(outfile, "w"))
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300 else
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301 out = stdout
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302 end
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303 prof_start(mode or "f")
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304 end
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305
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306 -- Public module functions.
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307 return {
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308 start = start, -- For -j command line option.
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309 stop = prof_finish
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310 }
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311