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phs_v1.0.1.0/build/scripts/ninja2trace.py
2024-09-27 19:16:49 +08:00

140 lines
4.9 KiB
Python
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (c) 2021 Huawei Device Co., Ltd.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import sys
import json
import gzip
import shutil
import argparse
KFILESIGNATURE = "# ninja log v5\n"
class StoringDataLine(object):
def __init__(self, start, end):
self.start = int(start)
self.end = int(end)
self.target_obj_names = []
def __str__(self):
return "{} {} {} ".format(self.start, self.end, self.target_obj_names)
class NinjaToTrace(object):
def __init__(self):
self.datalist = list()
self.durations = list()
def parse_file(self, filename, ninja_start_time):
# ensure file exist
if not os.path.exists(filename):
print("file: {} not exists".format(filename))
return False
storing_data = {}
with open(filename, mode='r') as f:
firstline = f.readline()
if firstline != KFILESIGNATURE:
print("unrecognized ninja log format, we need {}".format(
KFILESIGNATURE))
for _, line in enumerate(f.readlines()):
start, end, time_stamp, name, cmdhash = line.strip().split(
'\t')
storing_data.setdefault(cmdhash, StoringDataLine(start, end))
storing_data.get(cmdhash).target_obj_names.append(name)
self.datalist = sorted(storing_data.values(),
key=lambda line: line.start)
self.durations = sorted(storing_data.values(),
key=lambda line: line.end - line.start,
reverse=True)
return True
def save_durations(self, duration_file):
total_time = 0
with open(duration_file, 'w') as file:
for item in self.durations:
duration = item.end - item.start
total_time += duration
file.write('{}: {}\n'.format(item.target_obj_names[0],
duration))
file.write('total time: {} ms'.format(total_time))
def trans_to_trace_json(self, dest_file_name):
counter = CountingTheTid()
tracelist = list()
for storingdataline in self.datalist:
tracelist.append({
'name': '%0s' % ', '.join(storingdataline.target_obj_names),
'cat': 'targets',
'ph': 'X',
'ts': str(storingdataline.start * 1000),
'dur': str((storingdataline.end - storingdataline.start) * 1000),
'pid': str(0),
'tid': str(counter.counting_the_new_tid(storingdataline)),
'args': {},
})
if not dest_file_name.endswith('.gz'):
dest_file_name = dest_file_name + '.gz'
if os.path.exists(dest_file_name):
shutil.move(
dest_file_name, '%s/build.trace.%d.gz' %
(os.path.dirname(dest_file_name),
int(os.stat(dest_file_name).st_mtime)))
with gzip.open(dest_file_name, "wt") as f:
json.dump(tracelist, f)
class CountingTheTid(object):
def __init__(self):
self.tids = [] # store the tid's end time
def counting_the_new_tid(self, storingdataline):
for i in range(len(self.tids)):
if self.tids[i] <= storingdataline.start:
self.tids[i] = storingdataline.end
return i # renew the endtime and return the current tid
# for the end time is newer than all tids so we need a new one
self.tids.append(storingdataline.end)
return len(self.tids) - 1 # the last index of the tids
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--ninja-log', help='path to ninja log')
parser.add_argument('--trace-file', help='path to build trace file')
parser.add_argument('--duration-file', help='path to duration file')
parser.add_argument(
'--ninja-start-time',
help='epoch time of "Starting ninja ..." in nanoseconds')
options = parser.parse_args()
myparser = NinjaToTrace()
if not myparser.parse_file(options.ninja_log, options.ninja_start_time):
print("parse file fail")
return
myparser.trans_to_trace_json(options.trace_file)
myparser.save_durations(options.duration_file)
if __name__ == '__main__':
sys.exit(main())