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#!/usr/bin/env python3
# Copyright 2021 the V8 project authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# Processes {stdout} output generated by --trace-wasm-compilation-times
# for easier consumption by human readers.
import sys
def SizeInternal(number, suffix):
if suffix == "": return "%d" % number
if number < 10: return "%.1f%s" % (number, suffix)
return "%d%s" % (number, suffix)
def Size(number):
if (number < 1024): return SizeInternal(number, "")
number /= 1024
if (number < 1024): return SizeInternal(number, "K")
number /= 1024
if (number < 1024): return SizeInternal(number, "M")
number /= 1024
if (number < 1024): return SizeInternal(number, "G")
return SizeInternal(number / 1024, "T")
modules = {}
max_module = 0
total_lo_time = 0
total_lo_size = 0
total_tf_time = 0
total_tf_size = 0
def RegisterName(raw):
global max_module
parts = raw.split("#")
m = parts[0]
if m not in modules:
modules[m] = max_module
max_module += 1
def Name(raw):
parts = raw.split("#")
if len(modules) == 1: return "#%s" % parts[1]
return "m%d#%s" % (modules[parts[0]], parts[1])
class Function:
def __init__(self, index):
self.index = index
self.has_lo = False
self.has_tf = False
self.time_lo = -1
self.time_tf = -1
self.mem_lo = -1
self.mem_tf_max = -1
self.mem_tf_total = -1
self.name = ""
self.size_wasm = -1
self.size_lo = -1
self.size_tf = -1
def AddLine(self, words):
assert self.index == words[2], "wrong function"
if words[4] == "TurboFan,":
self.AddTFLine(words)
elif words[4] == "Liftoff,":
self.AddLiftoffLine(words)
else:
raise Exception("unknown compiler: %s" % words[4])
def AddTFLine(self, words):
assert not self.has_tf, "duplicate TF line for %s" % self.index
self.has_tf = True
# 0 1 2 3 4 5 6 7 8 9 10 11
# Compiled function #6 using TurboFan, took 0 ms and 14440 / 44656
# 12 13 14 15 16 17 18 19
# max/total bytes; bodysize 12 codesize 24 name wasm-function#6
self.time_tf = int(words[6])
self.mem_tf_max = int(words[9])
self.mem_tf_total = int(words[11])
self.size_tf = int(words[17])
self.name = words[19]
def AddLiftoffLine(self, words):
assert self.index == words[2], "wrong function"
assert not self.has_lo, "duplicate Liftoff line for %s" % self.index
self.has_lo = True
# 0 1 2 3 4 5 6 7 8 9 10 11 12
# Compiled function #6 using Liftoff, took 0 ms and 968 bytes; bodysize 4
# 13 14
# codesize 68
self.time_lo = int(words[6])
self.mem_lo = int(words[9])
self.size_lo = int(words[14])
self.size_wasm = int(words[12])
def __str__(self):
return "%s: time %d %d mem %s %s %s size %s %s %s name %s" % (
Name(self.index), self.time_lo, self.time_tf,
Size(self.mem_lo), Size(self.mem_tf_max), Size(self.mem_tf_total),
Size(self.size_wasm), Size(self.size_lo), Size(self.size_tf), self.name
)
funcs_dict = {}
funcs_list = []
if len(sys.argv) < 2 or sys.argv[1] in ("-h", "--help", "help"):
print("Pass output file (generated with --trace-wasm-compilation-times) as "
"argument")
sys.exit(1)
with open(sys.argv[1], "r") as f:
for line in f.readlines():
words = line.strip().split(" ")
if words[0] != "Compiled" or words[1] != "function":
continue
name = words[2]
RegisterName(name)
if name in funcs_dict:
func = funcs_dict[name]
else:
func = Function(name)
funcs_dict[name] = func
funcs_list.append(func)
func.AddLine(words)
funcs_list.sort(key=lambda fun: fun.time_tf)
for f in funcs_list:
print(f)
if f.time_tf > 0:
total_tf_time += f.time_tf
if f.size_tf > 0:
total_tf_size += f.size_tf
if f.time_lo > 0:
total_lo_time += f.time_lo
if f.size_lo > 0:
total_lo_size += f.size_lo
print("Total TF time: %d" % total_tf_time)
print("Total TF size: %d" % total_tf_size)
print("Total LO time: %d" % total_lo_time)
print("Total LO size: %d" % total_lo_size)
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