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|
if not modules then modules = { } end modules ['trac-inf'] = {
version = 1.001,
comment = "companion to trac-inf.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
-- As we want to protect the global tables, we no longer store the timing
-- in the tables themselves but in a hidden timers table so that we don't
-- get warnings about assignments. This is more efficient than using rawset
-- and rawget.
local type, tonumber, select = type, tonumber, select
local format, lower, find, gsub, rep = string.format, string.lower, string.find, string.gsub, string.rep
local concat = table.concat
local clock = os.gettimeofday or os.clock -- should go in environment
local setmetatableindex = table.setmetatableindex
local serialize = table.serialize
local formatters = string.formatters
statistics = statistics or { }
local statistics = statistics
statistics.enable = true
statistics.threshold = 0.01
local statusinfo, n, registered, timers = { }, 0, { }, { }
setmetatableindex(timers,function(t,k)
local v = { timing = 0, loadtime = 0, offset = 0 }
t[k] = v
return v
end)
local function hastiming(instance)
return instance and timers[instance]
end
local function resettiming(instance)
timers[instance or "notimer"] = { timing = 0, loadtime = 0, offset = 0 }
end
local ticks = clock
local seconds = function(n) return n or 0 end
ticks = lua.getpreciseticks
seconds = lua.getpreciseseconds
local function starttiming(instance,reset)
local timer = timers[instance or "notimer"]
local it = timer.timing
if reset then
it = 0
timer.loadtime = 0
end
if it == 0 then
timer.starttime = ticks()
if not timer.loadtime then
timer.loadtime = 0
end
end
timer.timing = it + 1
end
local function stoptiming(instance)
local timer = timers[instance or "notimer"]
local it = timer.timing
if it > 1 then
timer.timing = it - 1
else
local starttime = timer.starttime
if starttime and starttime > 0 then
local stoptime = ticks()
local loadtime = stoptime - starttime
timer.stoptime = stoptime
timer.loadtime = timer.loadtime + loadtime
timer.timing = 0
timer.starttime = 0
return loadtime
end
end
return 0
end
local function benchmarktimer(instance)
local timer = timers[instance or "notimer"]
local it = timer.timing
if it > 1 then
timer.timing = it - 1
else
local starttime = timer.starttime
if starttime and starttime > 0 then
timer.offset = ticks() - starttime
else
timer.offset = 0
end
end
end
local function elapsed(instance)
if type(instance) == "number" then
return instance
else
local timer = timers[instance or "notimer"]
return timer and seconds(timer.loadtime - 2*(timer.offset or 0)) or 0
end
end
local function currenttime(instance)
if type(instance) == "number" then
return instance
else
local timer = timers[instance or "notimer"]
local it = timer.timing
if it > 1 then
-- whatever
else
local starttime = timer.starttime
if starttime and starttime > 0 then
return seconds(timer.loadtime + ticks() - starttime - 2*(timer.offset or 0))
end
end
return 0
end
end
local function elapsedtime(instance)
return format("%0.3f",elapsed(instance))
end
local function elapsedindeed(instance)
return elapsed(instance) > statistics.threshold
end
local function elapsedseconds(instance,rest) -- returns nil if 0 seconds
if elapsedindeed(instance) then
return format("%0.3f seconds %s", elapsed(instance),rest or "")
end
end
statistics.hastiming = hastiming
statistics.resettiming = resettiming
statistics.starttiming = starttiming
statistics.stoptiming = stoptiming
statistics.currenttime = currenttime
statistics.elapsed = elapsed
statistics.elapsedtime = elapsedtime
statistics.elapsedindeed = elapsedindeed
statistics.elapsedseconds = elapsedseconds
statistics.benchmarktimer = benchmarktimer
-- general function .. we might split this module
function statistics.register(tag,fnc)
if statistics.enable and type(fnc) == "function" then
-- second load can overload:
local rt = registered[tag] or (#statusinfo + 1)
statusinfo[rt] = { tag, fnc }
registered[tag] = rt
if #tag > n then n = #tag end
end
end
local report = logs.reporter("mkiv lua stats")
function statistics.show()
if statistics.enable then
-- this code will move
local register = statistics.register
register("used platform", function()
return format("%s, type: %s, binary subtree: %s",
os.platform or "unknown",os.type or "unknown", environment.texos or "unknown")
end)
register("used engine", function()
return format("%s version: %s, functionality level: %s, format id: %s, compiler: %s",
LUATEXENGINE, LUATEXVERSION, LUATEXFUNCTIONALITY, LUATEXFORMATID, status.used_compiler)
end)
register("tex properties", function()
local t = status.gethashstate()
local l = status.getlookupstate()
local m = status.gettexstate()
return format("%s hash slots used of %s, %s control sequences, approximate memory usage: %i MB",
t.top, t.max, l.ptr, m.approximate // (1024 * 1024))
end)
register("callbacks", statistics.callbacks)
-- so far
register("lua properties",function()
-- local hash = lua.gethashchars()
local mask = load([[τεχ = 1]]) and "utf" or "ascii"
-- return format("engine: %s %s, used memory: %s, hash chars: min(%i,40), symbol mask: %s (%s)",
return format("engine: %s %s, used memory: %s, symbol mask: %s (%s)",
"lua", LUAVERSION, statistics.memused(), mask, mask == "utf" and "τεχ" or "tex")
end)
register("runtime",statistics.runtime)
logs.newline() -- initial newline
for i=1,#statusinfo do
local s = statusinfo[i]
local r = s[2]()
if r then
report("%s: %s",s[1],r)
end
end
-- logs.newline() -- final newline
statistics.enable = false
end
end
function statistics.memused() -- no math.round yet -)
local round = math.round or math.floor
local luastate = status.getluastate()
return format("%s MB, ctx: %s MB, max: %s MB",
round(collectgarbage("count")//1024),
round(luastate.state_bytes//1048576),
luastate.state_bytes_max and round(luastate.state_bytes_max//1048576) or "unknown"
)
end
starttiming(statistics)
function statistics.formatruntime(runtime) -- indirect so it can be overloaded and
return format("%s seconds", runtime) -- indeed that happens in cure-uti.lua
end
function statistics.runtime()
stoptiming(statistics)
-- stoptiming(statistics) -- somehow we can start the timer twice, but where
local runtime = lua.getruntime and lua.getruntime() or elapsedtime(statistics)
return statistics.formatruntime(runtime)
end
local report = logs.reporter("system")
function statistics.timed(action,all)
starttiming("run")
action()
stoptiming("run")
local runtime = tonumber(elapsedtime("run"))
if all then
local alltime = tonumber(lua.getruntime and lua.getruntime() or elapsedtime(statistics))
if alltime and alltime > 0 then
report("total runtime: %0.3f seconds of %0.3f seconds",runtime,alltime)
return
end
end
report("total runtime: %0.3f seconds",runtime)
end
-- goodie
function statistics.tracefunction(base,tag,...)
for i=1,select("#",...) do
local name = select(i,...)
local stat = { }
local func = base[name]
setmetatableindex(stat,function(t,k) t[k] = 0 return 0 end)
base[name] = function(n,k,v) stat[k] = stat[k] + 1 return func(n,k,v) end
statistics.register(formatters["%s.%s"](tag,name),function() return serialize(stat,"calls") end)
end
end
-- now here
status.iocodes = setmetatableindex(tex.getiovalues(), function() return "unknown" end)
local report = logs.reporter("system")
function statistics.showusage(when)
local s = status.list()
local c = status.getcallbackstate() -- status.callbacks
local m = mplib.getcallbackstate()
local b = backends.getcallbackstate()
--
local estatus = s.expandstate
local tstatus = s.texstate
local lstatus = s.luastate
local rstatus = s.readstate
--
local pstatus = logs.private.getpagetiming()
--
local iocode = status.iocodes[rstatus.iocode]
--
local mpinstances, mpmemory = metapost.getstatistics(true)
--
report("")
if when == "finish" then
report("status after finishing run")
else
report("status after shipping out page %s",tex.getcount("realpageno"))
end
report("")
local list = {
"stringstate", "poolstate", "hashstate", "lookupstate",
"nodestate", "extrastate", "tokenstate",
"bufferstate", "inputstate", "filestate",
"neststate", "parameterstate", "savestate",
"fontstate", "languagestate", "markstate", "sparsestate",
}
local fields = { "max", "min", "set", "stp", false, "mem", "all", false, "ini", "ptr", "top" }
local line = rep("-",190)
do
local t = { }
for i=1,#list do
t[i] = gsub(list[i],"state","")
end
report("%w%s",2,line)
report("%w%11s%11s%11s%11s%11s%11s%11s%11s%11s%11s%11s%11s%11s%11s%11s%11s%11s",5,unpack(t))
report("%w%s",2,line)
end
for i=1,#fields do
local f = fields[i]
if f then
local t = { }
for i=1,#list do
local n = s[list[i]][f]
t[i] = n < 0 and formatters["%w"](11) or formatters["%11i"](n)
end
report(" %3s%11s%11s%11s%11s%11s%11s%11s%11s%11s%11s%11s%11s%11s%11s%11s%11s%11s",f,unpack(t))
else
report("")
end
end
report("%w%s",2,line)
report("")
report(" current input type : %s", iocode)
if iocode == "file" then
report(" current file name : %s", rstatus.filename or "")
report(" current line number : %s", rstatus.linenumber)
end
report("")
report(" approximate memory : %s (%s MB)", tstatus.approximate, tstatus.approximate // 1048576)
report("")
report(" expansion depth : min: %s, max: %s, set: %s, top: %s", estatus.min, estatus.max, estatus.set, estatus.top)
report("")
report(" luabytecode registers : %s", lstatus.bytecodes)
report(" luabytecode bytes : %s (%s MB)", lstatus.bytecode_bytes, lstatus.bytecode_bytes // 1048576)
report(" luastate bytes now : %s (%s MB)", lstatus.state_bytes, lstatus.state_bytes // 1048576)
report(" luastate bytes max : %s (%s MB)", lstatus.state_bytes_max, lstatus.state_bytes_max // 1048576)
report("")
report(" file callbacks : %s", c.file)
report(" saved callbacks : %s", c.saved)
report(" direct callbacks : %s", c.direct)
report(" function callbacks : %s", c["function"])
report(" value callbacks : %s", c.value)
report(" message callbacks : %s", c.message)
report(" bytecode callbacks : %s", c.bytecode)
report("")
report(" mp instances : %s", mpinstances)
report(" mp estimated memory : %s (%s MB)", mpmemory, mpmemory // 1048576)
report(" mp file callbacks : %s", m.file)
report(" mp text callbacks : %s", m.text)
report(" mp script callbacks : %s", m.script)
report(" mp log callbacks : %s", m.log)
report("")
report(" total callbacks : %s", c.count)
report(" mp total callbacks : %s", m.count)
report(" backend callbacks : %s", b.count)
report("")
report(" page numbers : realpage %s, userpage %s, subpage %s",pstatus.page.real,pstatus.page.user,pstatus.page.sub)
report(" page timing : total %0.03f, page %0.03f, average %0.03f",pstatus.time.elapsed,pstatus.time.page,pstatus.time.average)
report("")
end
function statistics.showmemory(when)
local s = status.list()
--
report("")
report("memory configuration")
report("")
local list = {
"stringstate", "poolstate", "hashstate", "lookupstate",
"nodestate", "tokenstate",
"bufferstate", "inputstate", "filestate",
"neststate", "parameterstate", "savestate",
"fontstate", "languagestate", "markstate",
}
local fields = { "max", "min", "set", "stp" }
local line = rep("-",168)
do
local t = { }
for i=1,#list do
t[i] = gsub(list[i],"state","")
end
report("%w%s",2,line)
report("%w%11s%11s%11s%11s%11s%11s%11s%11s%11s%11s%11s%11s%11s%11s%11s",5,unpack(t))
report("%w%s",2,line)
end
for i=1,#fields do
local f = fields[i]
if f then
local t = { }
for i=1,#list do
local n = s[list[i]][f]
t[i] = n < 0 and formatters["%w"](11) or formatters["%11i"](n)
end
report(" %3s%11s%11s%11s%11s%11s%11s%11s%11s%11s%11s%11s%11s%11s%11s%11s",f,unpack(t))
else
report("")
end
end
report("%w%s",2,line)
report("")
end
local registered = false
local enabled = false
trackers.register("system.usage", function(v)
if v and not registered then
logs.private.enablepagetiming()
if v ~= "summary" then
luatex.registerpageactions(function()
if enabled then
statistics.showusage("page")
end
end)
end
luatex.registerstopactions(function()
if enabled then
statistics.showusage("finish")
end
end)
registered = true
end
enabled = v
end)
|