forked from AbleOS/ableos
118 lines
2.9 KiB
Python
118 lines
2.9 KiB
Python
|
#!/usr/bin/python
|
||
|
|
#
|
||
|
|
# QProfiler is a QEMU profiler based on QMP
|
||
|
|
#
|
||
|
|
# Copyright (c) 2019-2022 Matias Vara <matiasevara@gmail.com>
|
||
|
|
# All Rights Reserved
|
||
|
|
#
|
||
|
|
# This program is free software: you can redistribute it and/or modify
|
||
|
|
# it under the terms of the GNU General Public License as published by
|
||
|
|
# the Free Software Foundation, either version 3 of the License, or
|
||
|
|
# (at your option) any later version.
|
||
|
|
#
|
||
|
|
# This program is distributed in the hope that it will be useful,
|
||
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
# GNU General Public License for more details.
|
||
|
|
#
|
||
|
|
# You should have received a copy of the GNU General Public License
|
||
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
#
|
||
|
|
from __future__ import print_function
|
||
|
|
import sys, os, re
|
||
|
|
from qmp import QEMUMonitorProtocol
|
||
|
|
from time import sleep
|
||
|
|
import subprocess
|
||
|
|
|
||
|
|
def main(args):
|
||
|
|
path = None
|
||
|
|
filename = None
|
||
|
|
|
||
|
|
# duration of the test in seconds
|
||
|
|
duration = 5
|
||
|
|
|
||
|
|
# sampling frequency in seconds
|
||
|
|
frequency = 0.05
|
||
|
|
|
||
|
|
while len(args):
|
||
|
|
arg = args[0]
|
||
|
|
|
||
|
|
if arg.startswith('--'):
|
||
|
|
arg = arg[2:]
|
||
|
|
if arg.find('=') == -1:
|
||
|
|
value = True
|
||
|
|
else:
|
||
|
|
arg, value = arg.split('=', 1)
|
||
|
|
|
||
|
|
if arg in ['path']:
|
||
|
|
if type(value) == str:
|
||
|
|
path = value
|
||
|
|
elif arg in ['duration']:
|
||
|
|
duration = int(value)
|
||
|
|
elif arg in ['frequency']:
|
||
|
|
frequency = float(value)
|
||
|
|
elif arg in ['filename']:
|
||
|
|
filename = value
|
||
|
|
else:
|
||
|
|
print('Unknown argument "%s"' % arg)
|
||
|
|
return 1
|
||
|
|
|
||
|
|
args = args[1:]
|
||
|
|
else:
|
||
|
|
break
|
||
|
|
|
||
|
|
if not path:
|
||
|
|
print("Path isn't set, use --path=qmp-monitor-address")
|
||
|
|
return 1
|
||
|
|
|
||
|
|
def do_command(srv, cmd, **kwds):
|
||
|
|
rsp = srv.cmd(cmd, kwds)
|
||
|
|
if 'error' in rsp:
|
||
|
|
raise Exception(rsp['error']['desc'])
|
||
|
|
return rsp['return']
|
||
|
|
|
||
|
|
srv = QEMUMonitorProtocol(path)
|
||
|
|
srv.connect()
|
||
|
|
|
||
|
|
arguments = {}
|
||
|
|
command = 'human-monitor-command'
|
||
|
|
|
||
|
|
r = int(duration // frequency)
|
||
|
|
|
||
|
|
rip_hash = {}
|
||
|
|
|
||
|
|
for i in range(r):
|
||
|
|
arguments['command-line'] = 'info registers'
|
||
|
|
rsp = do_command(srv, command, **arguments)
|
||
|
|
|
||
|
|
regs = re.search(r'RIP=([\w]+)\s', rsp)
|
||
|
|
rip = regs.group(1)
|
||
|
|
|
||
|
|
if rip in rip_hash:
|
||
|
|
rip_hash[rip] += 1
|
||
|
|
else:
|
||
|
|
rip_hash[rip] = 1
|
||
|
|
|
||
|
|
sleep(frequency)
|
||
|
|
|
||
|
|
srv.close()
|
||
|
|
rip_hash_name = {}
|
||
|
|
|
||
|
|
for i in rip_hash:
|
||
|
|
with open(os.devnull, 'w') as devnull:
|
||
|
|
# pass
|
||
|
|
tmp = subprocess.check_output("addr2line --demangle -p -s -f -e "
|
||
|
|
+ filename
|
||
|
|
+ " "
|
||
|
|
+ i , shell=True, stderr=devnull).rstrip()
|
||
|
|
|
||
|
|
if tmp in rip_hash_name:
|
||
|
|
rip_hash_name[tmp] += rip_hash[i]
|
||
|
|
else:
|
||
|
|
rip_hash_name[tmp] = rip_hash[i]
|
||
|
|
|
||
|
|
for i in rip_hash_name:
|
||
|
|
print('{:>8} {}'.format(rip_hash_name[i], i))
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
sys.exit(main(sys.argv[1:]))
|