mirror of
https://github.com/ARM-software/devlib.git
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53 lines
1.8 KiB
Python
53 lines
1.8 KiB
Python
# Copyright 2017-2018 ARM Limited
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#
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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 re
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import logging
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from devlib.utils.types import numeric
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GEM5STATS_FIELD_REGEX = re.compile(r"^(?P<key>[^- ]\S*) +(?P<value>[^#]+).+$")
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GEM5STATS_DUMP_HEAD = '---------- Begin Simulation Statistics ----------'
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GEM5STATS_DUMP_TAIL = '---------- End Simulation Statistics ----------'
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GEM5STATS_ROI_NUMBER = 8
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logger = logging.getLogger('gem5')
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def iter_statistics_dump(stats_file):
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'''
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Yields statistics dumps as dicts. The parameter is assumed to be a stream
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reading from the statistics log file.
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'''
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cur_dump = {}
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while True:
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line = stats_file.readline()
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if not line:
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break
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if GEM5STATS_DUMP_TAIL in line:
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yield cur_dump
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cur_dump = {}
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else:
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res = GEM5STATS_FIELD_REGEX.match(line)
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if res:
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k = res.group("key")
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vtext = res.group("value")
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try:
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v = list(map(numeric, vtext.split()))
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cur_dump[k] = v[0] if len(v) == 1 else set(v)
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except ValueError:
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msg = 'Found non-numeric entry in gem5 stats ({}: {})'
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logger.warning(msg.format(k, vtext))
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