neobytes/contrib/auto_gdb/log_size.py
gladcow 1c9ed7806a GDB automation with Python script to measure memory usage in dashd (#1609)
* standart STL containers and Masternode-related classes processing

* masternode-related classes

* fix st containers processing,  use reflection to process simple classes

* Content descrioption in README.md

* Increase python scripts performance

Use gdb objects instead strings and type info for creating Pyton wrappers

* fixed simple classes list

* addition to README

* fix nits

* missed `the`

Co-Authored-By: gladcow <sergey@dash.org>

* fix nits

Co-Authored-By: gladcow <sergey@dash.org>

* fixed grammatical issues

Co-Authored-By: gladcow <sergey@dash.org>

* fixed phrase construction

Co-Authored-By: gladcow <sergey@dash.org>

* missed point

Co-Authored-By: gladcow <sergey@dash.org>

* fixed grammatical issues

Co-Authored-By: gladcow <sergey@dash.org>

* remove double space

Co-Authored-By: gladcow <sergey@dash.org>

* fixed grammatical issues

Co-Authored-By: gladcow <sergey@dash.org>
2018-10-23 14:15:08 +03:00

35 lines
917 B
Python

#!/usr/bin/python
#
try:
import gdb
except ImportError as e:
raise ImportError("This script must be run in GDB: ", str(e))
import traceback
import datetime
import sys
import os
sys.path.append(os.getcwd())
import common_helpers
class LogSizeCommand (gdb.Command):
"""calc size of the memory used by the object and write it to file"""
def __init__ (self):
super (LogSizeCommand, self).__init__ ("logsize", gdb.COMMAND_USER)
def invoke(self, arg, from_tty):
try:
args = gdb.string_to_argv(arg)
obj = gdb.parse_and_eval(args[0])
logfile = open(args[1], 'a')
size = common_helpers.get_instance_size(obj)
logfile.write("%s %s: %d\n" % (str(datetime.datetime.now()), args[0], size))
logfile.close()
except Exception as e:
print(traceback.format_exc())
raise e
LogSizeCommand()