diff options
Diffstat (limited to 'scripts/context/lua/mtx-profile.lua')
| -rw-r--r-- | scripts/context/lua/mtx-profile.lua | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/scripts/context/lua/mtx-profile.lua b/scripts/context/lua/mtx-profile.lua new file mode 100644 index 000000000..11d48d039 --- /dev/null +++ b/scripts/context/lua/mtx-profile.lua @@ -0,0 +1,170 @@ +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("^@(.*)$") + if filename then + local fi = times[filename] + if not fi then fi = { } times[filename] = fi end + fi[functionname] = (fi[functionname] or 0) + tonumber(localtime) + counts[functionname] = (counts[functionname] or 0) + 1 + end + end + else + break + end + end + f:close() + print("") + local loaded = { } + local sortedtable.sortedkeys(times) + for i=1,#sorted do + local filename = sorted[i] + local functions = times[filename] + local sorted = table.sortedkeys(functions) + for i=1,#sorted do + local functionname = sorted[i] + local totaltime = functions[functionname] + local count = counts[functionname] + totalcount = totalcount + count + if totaltime > timethreshold or count > countthreshold then + totalruntime = totalruntime + totaltime + local functionfile, somenumber = functionname:match("^@(.+):(.-)$") + 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*%-%-.*$","") + functionname = number .. ": " .. functionname + end + end + filename = file.basename(filename) + print(functiontemplate:format(filename,totaltime,count,functionname)) + end + end + end + print("") + local sorted = table.sortedkeys(calls) + for i=1,#sorted do + local call = sorted[i] + local n = calls[call] + totalcalls = totalcalls + n + if n > callthreshold then + print(calltemplate:format(n,call)) + end + end + print("") + print(totaltemplate:format(totalcalls,totalcount,totalruntime)) + print("") + print(thresholdtemplate:format(callthreshold,countthreshold,timethreshold)) + end +end + +function scripts.profiler.x_analyse(filename) + local f = io.open(filename) + local calls = { } + local lines = 0 + if f then + while true do + local line = f:read() + if line then + lines = lines + 1 + local c = match(line,"\\([a-zA-Z%!%?@]+) *%->") + if c then + local cc = calls[c] + if not cc then + calls[c] = 1 + else + calls[c] = cc + 1 + end + end + else + break + end + end + f:close() + local noc = 0 +local criterium = 100 + for name, n in next, calls do + if n > criterium then + if find(name,"^@@[a-z][a-z]") then + -- parameter + elseif find(name,"^[cvserft]%!") then + -- variables and constants + elseif find(name,"^%?%?[a-z][a-z]$") 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("ConTeXt MkIV 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 |