mirror of
https://github.com/xcat2/xcat-core.git
synced 2025-11-03 21:02:34 +00:00
355 lines
13 KiB
Python
Executable File
355 lines
13 KiB
Python
Executable File
#!/usr/bin/env python
|
|
# -*- encoding: utf-8 -*-
|
|
from __future__ import print_function
|
|
import argparse
|
|
import json
|
|
import os
|
|
import sys
|
|
import time
|
|
|
|
BUF_SIZE = 8192
|
|
|
|
|
|
class Reader(object):
|
|
def __init__(self, file):
|
|
self.f_size = os.stat(file).st_size
|
|
self.f_pos = self.f_size
|
|
self.file = file
|
|
self.buf_list = []
|
|
self.remain = None
|
|
self.f = None
|
|
|
|
def open(self):
|
|
if self.f is None:
|
|
self.f = open(self.file)
|
|
|
|
def close(self):
|
|
if self.f is not None:
|
|
self.f.close()
|
|
self.f = None
|
|
|
|
def __enter__(self):
|
|
self.open()
|
|
return self
|
|
|
|
def __exit__(self, exc_type, exc_val, exc_tb):
|
|
self.close()
|
|
|
|
def _read(self):
|
|
if self.f_pos == 0:
|
|
return None
|
|
|
|
size = BUF_SIZE
|
|
if self.f_pos - BUF_SIZE >= 0:
|
|
self.f.seek(self.f_pos - BUF_SIZE)
|
|
else:
|
|
self.f.seek(0)
|
|
size = self.f_pos - 0
|
|
buf = self.f.read(size)
|
|
if self.remain is not None:
|
|
self.buf_list = (buf + self.remain).split('\n')
|
|
else:
|
|
self.buf_list = buf.split('\n')
|
|
if size == BUF_SIZE:
|
|
self.remain = self.buf_list[0]
|
|
self.buf_list = self.buf_list[1:]
|
|
else:
|
|
self.remain = None
|
|
self.f_pos -= size
|
|
|
|
return self.buf_list
|
|
|
|
def get_next(self):
|
|
ret = self._get_next()
|
|
if ret is not None:
|
|
return ret
|
|
|
|
while self._read() is not None:
|
|
ret = self._get_next()
|
|
if ret is not None:
|
|
return ret
|
|
|
|
return None
|
|
|
|
|
|
class CommandReader(Reader):
|
|
def __init__(self, file):
|
|
super(CommandReader, self).__init__(file)
|
|
self.cmd = {}
|
|
|
|
def _get_next(self):
|
|
""" Extract data from the commands log file of xcat
|
|
Format::
|
|
|
|
[Date] 2017-09-04 17:52:10
|
|
[ClientType] cli
|
|
[Request] xdsh c910f04x35v07 'echo "nameserver 9.0.2.1" >> /etc/resolv.conf'
|
|
[Response]
|
|
[ElapsedTime] 0 s
|
|
:return: command dict if found, None if not found
|
|
"""
|
|
for i, b in enumerate(self.buf_list[::-1]):
|
|
if b.find('[ElapsedTime]') == 0:
|
|
self.cmd['elapsed'] = float(b.split(' ')[1])
|
|
elif b.find('[Request]') == 0:
|
|
self.cmd['request'] = " ".join(
|
|
b.rstrip().split(' ')[1:]).strip().replace(',', ' ')
|
|
elif b.find('[Date]') == 0:
|
|
temp = b.split(' ')
|
|
self.cmd['date'] = '%s %s' % (temp[-2], temp[-1])
|
|
|
|
if all(k in self.cmd for k in ('date', 'request', 'elapsed')):
|
|
cmd = self.cmd
|
|
self.cmd = {}
|
|
self.buf_list = self.buf_list[0:len(self.buf_list) - i - 1]
|
|
return cmd
|
|
return None
|
|
|
|
|
|
class DBTraceReader(Reader):
|
|
def __init__(self, file):
|
|
super(DBTraceReader, self).__init__(file)
|
|
self.year = str(time.localtime().tm_year)
|
|
|
|
def _get_next(self):
|
|
"""Extract information from syslog file of xcat
|
|
Format::
|
|
|
|
Sep 4 22:16:38 c910f04x12v02 xcat[6692]: [DB Trace]: {"msg":{"table":"nodegroup","method":"xCAT::Table::getAllEntries"},"type":"end_sql","elapsed":"0.00042s"}
|
|
|
|
:return: A dict contains the time stamp and db dict if db trace log is
|
|
found. None if nothing about db trace log found.
|
|
"""
|
|
for i, b in enumerate(self.buf_list[::-1]):
|
|
pos = b.find('[DB Trace]:')
|
|
if pos == -1:
|
|
continue
|
|
date = b[0:15]
|
|
conv = time.strptime('%s %s' % (self.year, date),
|
|
"%Y %b %d %H:%M:%S")
|
|
# TODO: the year value is not included in the current syslog
|
|
try:
|
|
ret = {'stamp': int(time.mktime(conv)),
|
|
'db': json.loads(b[pos + 12:])}
|
|
except ValueError:
|
|
if b.find('message repeated') != -1:
|
|
# syslog will add [ ] around the json message.
|
|
ret = {'stamp': int(time.mktime(conv)),
|
|
'db': json.loads(b[pos + 12:-1])}
|
|
else:
|
|
raise
|
|
|
|
self.buf_list = self.buf_list[0:len(self.buf_list) - i - 1]
|
|
return ret
|
|
|
|
return None
|
|
|
|
|
|
class TimeStamp(object):
|
|
def __init__(self, kwargs):
|
|
if 'date' in kwargs:
|
|
a = time.strptime(kwargs['date'], "%Y-%m-%d %H:%M:%S")
|
|
self.start = int(time.mktime(a))
|
|
else:
|
|
raise
|
|
if 'elapsed' in kwargs:
|
|
self.end = self.start + int(kwargs['elapsed']) + 1
|
|
else:
|
|
raise
|
|
|
|
|
|
class Analysis(object):
|
|
def __init__(self, command_log_file, cluster_log_file):
|
|
self.command_log_file = command_log_file
|
|
self.cluster_log_file = cluster_log_file
|
|
|
|
def _stat(self, record, data):
|
|
elapsed = 0
|
|
if 'elapsed' in data:
|
|
# elapsed = float('%.3f' % float(data['elapsed'][:-1]))
|
|
elapsed = float(data['elapsed'][:-1])
|
|
if data['type'] == 'end_sql':
|
|
if data['msg']['method'].startswith('xCAT::Table::get'):
|
|
record['get_sql_time'] += elapsed
|
|
elif data['msg']['method'].startswith('xCAT::Table::set'):
|
|
record['set_sql_time'] += elapsed
|
|
elif data['msg']['method'].startswith('xCAT::Table::del'):
|
|
record['del_sql_time'] += elapsed
|
|
elif data['type'] == 'end':
|
|
if data['msg']['method'].startswith('xCAT::Table::get'):
|
|
record['get_sub_time'] += elapsed
|
|
elif data['msg']['method'].startswith('xCAT::Table::set'):
|
|
record['set_sub_time'] += elapsed
|
|
elif data['msg']['method'].startswith('xCAT::Table::del'):
|
|
record['del_sub_time'] += elapsed
|
|
elif data['type'] == 'start_sql':
|
|
if data['msg']['method'].startswith('xCAT::Table::get'):
|
|
if data['msg']['table'] not in record['get_tables']:
|
|
record['get_tables'][data['msg']['table']] = 1
|
|
else:
|
|
record['get_tables'][data['msg']['table']] += 1
|
|
elif data['msg']['method'].startswith('xCAT::Table::set'):
|
|
if data['msg']['table'] not in record['set_tables']:
|
|
record['set_tables'][data['msg']['table']] = 1
|
|
else:
|
|
record['set_tables'][data['msg']['table']] += 1
|
|
elif data['msg']['method'].startswith('xCAT::Table::del'):
|
|
if data['msg']['table'] not in record['del_tables']:
|
|
record['del_tables'][data['msg']['table']] = 1
|
|
else:
|
|
record['del_tables'][data['msg']['table']] += 1
|
|
elif data['type'] == 'build_cache':
|
|
if data['msg']['table'] not in record['build_cache']:
|
|
record['build_cache'][data['msg']['table']] = 1
|
|
else:
|
|
record['build_cache'][data['msg']['table']] += 1
|
|
elif data['type'] == 'cache_hit':
|
|
if data['msg']['table'] not in record['cache_hit']:
|
|
record['cache_hit'][data['msg']['table']] = 1
|
|
else:
|
|
record['cache_hit'][data['msg']['table']] += 1
|
|
|
|
def process(self, latest, specific_cmd):
|
|
if specific_cmd is not None:
|
|
latest = None
|
|
|
|
self._print_header()
|
|
with CommandReader(self.command_log_file) as cmd_reader:
|
|
cmd = cmd_reader.get_next()
|
|
trace = None
|
|
index = 0
|
|
db_reader = DBTraceReader(self.cluster_log_file)
|
|
db_reader.open()
|
|
while cmd is not None:
|
|
if specific_cmd is not None and not cmd['request'].startswith(
|
|
specific_cmd):
|
|
cmd = cmd_reader.get_next()
|
|
continue
|
|
|
|
stamp = TimeStamp(cmd)
|
|
if trace is None:
|
|
trace = db_reader.get_next()
|
|
|
|
while trace and trace['stamp'] > stamp.end:
|
|
trace = db_reader.get_next()
|
|
key = '%s(%s)' % (cmd['request'], cmd['date'])
|
|
|
|
record = {'command': key,
|
|
'elapsed': cmd['elapsed'],
|
|
'get_sql_time': float(0),
|
|
'set_sql_time': float(0),
|
|
'del_sql_time': float(0),
|
|
'set_sub_time': float(0),
|
|
'get_sub_time': float(0),
|
|
'del_sub_time': float(0),
|
|
'get_tables': {},
|
|
'set_tables': {},
|
|
'del_tables': {},
|
|
'build_cache': {},
|
|
'cache_hit': {}}
|
|
|
|
while trace and trace['stamp'] >= stamp.start:
|
|
self._stat(record, trace['db'])
|
|
trace = db_reader.get_next()
|
|
|
|
self._print_csv(record)
|
|
index += 1
|
|
if latest is not None and index == latest:
|
|
break
|
|
cmd = cmd_reader.get_next()
|
|
db_reader.close()
|
|
|
|
def _print_header(self):
|
|
print("command,elapsed(precision: 1s),"
|
|
"get_sub_time(s),set_sub_time(s),del_sub_time(s),"
|
|
"get_sql_time(s),set_sql_time(s),del_sql_time(s),"
|
|
"build_cache(times),cache_hit(times),"
|
|
"get_tables(times),set_tables(times),del_tables(times)")
|
|
|
|
def _print_csv(self, record):
|
|
print("%(command)s,%(elapsed)f,"
|
|
"%(get_sub_time)f,%(set_sub_time)f,%(del_sub_time)f,"
|
|
"%(get_sql_time)f,%(set_sql_time)f,%(del_sql_time)f,"
|
|
"%(build_cache)s,%(cache_hit)s,"
|
|
"%(get_tables)s,%(set_tables)s,%(del_tables)s\n" %
|
|
{'command': record['command'],
|
|
'elapsed': record['elapsed'],
|
|
'get_sub_time': float('%.3f' % record['get_sub_time']),
|
|
'set_sub_time': float('%.3f' % record['set_sub_time']),
|
|
'del_sub_time': float('%.3f' % record['del_sub_time']),
|
|
'get_sql_time': float('%.3f' % record['get_sql_time']),
|
|
'set_sql_time': float('%.3f' % record['set_sql_time']),
|
|
'del_sql_time': float('%.3f' % record['del_sql_time']),
|
|
'build_cache': self._format_dict(record['build_cache']),
|
|
'cache_hit': self._format_dict(record['cache_hit']),
|
|
'get_tables': self._format_dict(record['get_tables']),
|
|
'set_tables': self._format_dict(record['set_tables']),
|
|
'del_tables': self._format_dict(record['del_tables'])})
|
|
|
|
def _format_list(self, a):
|
|
return " ".join(a)
|
|
|
|
def _format_dict(self, d):
|
|
ret = []
|
|
for k, v in d.items():
|
|
if type(v) is list:
|
|
ret.append('%s:[%s]', k, " ".join(v))
|
|
elif type(v) is str or type(v) is int:
|
|
ret.append('%s:%s' % (k, str(v)))
|
|
return " ".join(ret)
|
|
|
|
|
|
class StatsShell(object):
|
|
def get_base_parser(self):
|
|
parser = argparse.ArgumentParser(
|
|
prog='dbstats',
|
|
add_help=False,
|
|
formatter_class=HelpFormatter,
|
|
)
|
|
parser.add_argument('-h', '--help',
|
|
action='store_true',
|
|
help=argparse.SUPPRESS,
|
|
)
|
|
parser.add_argument('--clusterlog',
|
|
help="The syslog file of xcat.",
|
|
default='/var/log/xcat/cluster.log',
|
|
type=str)
|
|
parser.add_argument('--commandlog',
|
|
help="The command log file of xcat.",
|
|
default='/var/log/xcat/commands.log',
|
|
type=str)
|
|
parser.add_argument('-n', '--num',
|
|
help="The recent count of commands to analyze",
|
|
type=int,
|
|
default=10)
|
|
parser.add_argument('-c', '--command',
|
|
help="The specified command to track",
|
|
type=str,
|
|
default=None)
|
|
return parser
|
|
|
|
def do_help(self, args):
|
|
self.parser.print_help()
|
|
|
|
def main(self, argv):
|
|
self.parser = self.get_base_parser()
|
|
(options, args) = self.parser.parse_known_args(argv)
|
|
|
|
if options.help:
|
|
self.do_help(options)
|
|
return 0
|
|
|
|
a = Analysis(options.commandlog, options.clusterlog)
|
|
a.process(options.num, options.command)
|
|
|
|
|
|
class HelpFormatter(argparse.HelpFormatter):
|
|
def start_section(self, heading):
|
|
# Title-case the headings
|
|
heading = '%s%s' % (heading[0].upper(), heading[1:])
|
|
super(HelpFormatter, self).start_section(heading)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
StatsShell().main(sys.argv[1:])
|