74 lines
2.3 KiB
Python
74 lines
2.3 KiB
Python
#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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# Copyright (c) 2019 Huawei Technologies Co., Ltd.
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# A-Tune is licensed under the Mulan PSL v1.
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# You can use this software according to the terms and conditions of the Mulan PSL v1.
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# You may obtain a copy of Mulan PSL v1 at:
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# http://license.coscl.org.cn/MulanPSL
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# THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
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# PURPOSE.
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# See the Mulan PSL v1 for more details.
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# Create: 2019-10-29
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"""
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The sub class of the monitor, used to collect the system device interrupts.
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"""
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import getopt
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import re
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import sys
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import subprocess
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from monitor.common import *
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class SysInterrupts(Monitor):
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"""To collect the system device interrupts"""
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_module = "SYS"
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_purpose = "INTERRUPTS"
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_option = '{print$1$NF}'
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_path = "/proc/interrupts"
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def __init__(self, user=None):
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Monitor.__init__(self, user)
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self.decode.__func__.__doc__ = Monitor.decode.__doc__ % "--nic=x"
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self.__cmd = "awk"
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def _get(self, para=None):
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output = subprocess.check_output("{cmd} {opt} {path}".format(
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cmd=self.__cmd, opt=self._option, path=self._path).split())
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return output.decode()
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def decode(self, info, para):
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"""
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decode collected CPU interrupts info.
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:param info: The collected info string
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:param para: The option for decode,
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[%s]:
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"--nic=" to select which nic
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:returns info: decoded info
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"""
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if para is None:
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pattern = re.compile(r"^(\d*):.*", re.MULTILINE)
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interrupts = pattern.findall(info)
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return " ".join(interrupts)
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nic = ""
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opts, _ = getopt.getopt(para.split(), None, ['nic='])
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for opt, val in opts:
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if opt in '--nic':
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nic = val
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break
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pattern = re.compile(r"^(\d*):{}$".format(nic.strip()), re.MULTILINE)
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interrupts = pattern.findall(info)
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return " ".join(interrupts).strip()
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if __name__ == "__main__":
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if len(sys.argv) != 3:
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print('usage: ' + sys.argv[0] + ' fmt path')
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sys.exit(-1)
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ct = SysInterrupts("UT")
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ct.report(sys.argv[1], sys.argv[2])
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