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