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santoshkumar

Member

Registered: 2007-08-21

Posts: 53

How to check core dump memory usage(like heap memory )

Have core dump,

Although suspect it because of the memory leak from code,

From core backtrace cant figure it out was this the cause.

is there any gdb command or any utility command to check the memory used when core got generated.

How to confirm this was due to memory leak

Glimpse of backtrace of the core

#0  0x0000000000af40c7 in OS::TrapToDebugger () at ../../os_linux.cpp:4412
#1  0x0000000000af9385 in SaveDebugInfo (SignalNum=3, pSigInfo=0x7fffa937c5a0, pContext=0x7fffa937c470) at ../../os_linux.cpp:4057
#2  <signal handler called>
#3  std::_Rb_tree<unsigned int, std::pair<unsigned int const, CIFS_INCOMING_REQUEST*>, std::_Select1st<std::pair<unsigned int const, CIFS_INCOMING_REQUEST*> >, std::less<unsigned int>, __gnu_cxx::__pool_alloc<std::pair<unsigned int const, CIFS_INCOMING_REQUEST*> > >::find (this=0x3a18a28, __k=@0x7fffa937c8f8)
    at /usr/lib/gcc/x86_64-redhat-linux/3.4.3/../../../../include/c++/3.4.3/bits/stl_tree.h:494
#4  0x0000000000583e15 in CIFS_FILTER::GetNextOutgoingMID (this=0x3a17c60, SrcSide=FAST, pId=23735)
    at /usr/lib/gcc/x86_64-redhat-linux/3.4.3/../../../../include/c++/3.4.3/bits/stl_map.h:498
   
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Many Thanks for looking up .
Santosh

Last edited by santoshkumar (2013-03-19 06:19 AM)

i3839

Oddministrator

From: Amsterdam

Registered: 2003-06-07

Posts: 2,239

Re: How to check core dump memory usage(like heap memory )

RobSeace

Administrator

From: Boston, MA

Registered: 2002-06-12

Posts: 3,839

Website

Re: How to check core dump memory usage(like heap memory )

If this is a background daemon process, I'd recommend ignoring SIGQUIT anyway...  It's one of the signals (along with SIGINT, SIGHUP, SIGWINCH, and SIGPIPE) I always ignore in a daemon...  (Actually, SIGPIPE I always ignore in clients as well...)