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if not modules then modules = { } end modules ['mtx-profile'] = {
version = 1.000,
comment = "companion to mtxrun.lua",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
-- todo: also line number
-- todo: sort runtime as option
local match, format, find = string.match, string.format, string.find
scripts = scripts or { }
scripts.profiler = scripts.profiler or { }
local timethreshold = 0
local callthreshold = 2500
local countthreshold = 2500
local functiontemplate = "%12s %03.4f %9i %s"
local calltemplate = "%9i %s"
local totaltemplate = "%i internal calls, %i function calls taking %3.4f seconds"
local thresholdtemplate = "thresholds: %i internal calls, %i function calls, %i seconds"
function scripts.profiler.analyse(filename)
local f = io.open(filename)
if f then
local times, counts, calls = { }, { }, { }
local totalruntime, totalcount, totalcalls = 0, 0, 0
while true do
local line = f:read()
if line then
local stacklevel, filename, functionname, linenumber, currentline, localtime, totaltime = line:match("^(%d+)\t(.-)\t(.-)\t(.-)\t(.-)\t(.-)\t(.-)")
if not filename then
-- next
elseif filename == "=[C]" then
if not functionname:find("^%(") then
calls[functionname] = (calls[functionname] or 0) + 1
end
else
local filename = filename:match("^@(.*)$")
if filename then
local fi = times[filename]
if not fi then fi = { } times[filename] = fi end
fi[functionname] = (fi[functionname] or 0) + tonumber(localtime)
counts[functionname] = (counts[functionname] or 0) + 1
end
end
else
break
end
end
f:close()
print("")
local loaded = { }
for _, filename in ipairs(table.sortedkeys(times)) do
local functions = times[filename]
for _, functionname in ipairs(table.sortedkeys(functions)) do
local totaltime = functions[functionname]
local count = counts[functionname]
totalcount = totalcount + count
if totaltime > timethreshold or count > countthreshold then
totalruntime = totalruntime + totaltime
local functionfile, somenumber = functionname:match("^@(.+):(.-)$")
if functionfile then
local number = tonumber(somenumber)
if number then
if not loaded[functionfile] then
loaded[functionfile] = string.splitlines(io.loaddata(functionfile) or "")
end
functionname = loaded[functionfile][number] or functionname
functionname = functionname:gsub("^%s*","")
functionname = functionname:gsub("%s*%-%-.*$","")
functionname = number .. ": " .. functionname
end
end
filename = file.basename(filename)
print(functiontemplate:format(filename,totaltime,count,functionname))
end
end
end
print("")
for _, call in ipairs(table.sortedkeys(calls)) do
local n = calls[call]
totalcalls = totalcalls + n
if n > callthreshold then
print(calltemplate:format(n,call))
end
end
print("")
print(totaltemplate:format(totalcalls,totalcount,totalruntime))
print("")
print(thresholdtemplate:format(callthreshold,countthreshold,timethreshold))
end
end
function scripts.profiler.analyse(filename)
local f = io.open(filename)
local calls = { }
local lines = 0
if f then
while true do
local line = f:read()
if line then
lines = lines + 1
local c = match(line,"\\([a-zA-Z%!%?@]+) *%->")
if c then
local cc = calls[c]
if not cc then
calls[c] = 1
else
calls[c] = cc + 1
end
end
else
break
end
end
f:close()
local noc = 0
local criterium = 100
for name, n in next, calls do
if n > criterium then
if find(name,"^@@[a-z][a-z]") then
-- parameter
elseif find(name,"^[cvserft]%!") then
-- variables and constants
elseif find(name,"^%?%?[a-z][a-z]$") then
-- prefix
elseif find(name,"^%!%!") then
-- reserved
elseif find(name,"^@.+@$") then
-- weird
else
noc = noc + n
print(format("%6i: %s",n,name))
end
end
end
print("")
print(format("number of lines: %s",lines))
print(format("number of calls: %s",noc))
print(format("criterium calls: %s",criterium))
end
end
--~ scripts.profiler.analyse("t:/manuals/mk/mk-fonts-profile.lua")
--~ scripts.profiler.analyse("t:/manuals/mk/mk-introduction-profile.lua")
logs.extendbanner("LuaTeX Profiler 1.00",true)
messages.help = [[
--analyse analyse lua calls
--trace analyse tex calls
]]
if environment.argument("analyse") then
scripts.profiler.analyse(environment.files[1] or "luatex-profile.log")
elseif environment.argument("trace") then
scripts.profiler.analyse(environment.files[1] or "temp.log")
else
logs.help(messages.help)
end
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