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IgTraceMem.cc File Reference

#include "IgTools/IgTrace/src/IgTrace.h"
#include "IgTools/IgHook/interface/IgHook.h"
#include "IgTools/IgHook/interface/IgHookTrace.h"
#include <cstdlib>
#include <cstring>
#include <cstdio>
#include <pthread.h>
#include <unistd.h>

Go to the source code of this file.

Classes
class	IgTraceMem
Functions
static void *	domalloc (IgHook::SafeData< igtrace_domalloc_t > &hook, size_t size)
	IGTRACE_DUAL_HOOK (1, void *, domalloc, _main, _libc,(size_t n),(n),"malloc", 0,"libc.so.6") static bool s_initialized
Variables
static bool	autoboot = (IgTraceMem::initialize (), true)

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Function Documentation

static void* domalloc	(	IgHook::SafeData< igtrace_domalloc_t > &	hook,
		size_t	size
	)			[static]

Definition at line 84 of file IgTraceMem.cc.

References IgHook::SafeData< Func >::chain, IgTrace::disable(), IgTrace::enable(), IgTrace::filter(), IgTrace::program(), HLT_VtxMuL3::result, and IgHookTrace::stacktrace().

{
    bool enabled = IgTrace::disable ();
    void *result = (*hook.chain) (size);
 
    if (enabled)
    {
        void *stack [800];
        int depth = IgHookTrace::stacktrace (stack, sizeof (stack)/sizeof(stack[0]));

        // If the filters pass, walk the stack to print out information.
        if (IgTrace::filter (0, stack, depth))
        {
            char buf [1024];
            write (2, buf, sprintf (buf,
                                    "*** MALLOC %ld bytes => %p, by %.500s [thread %lu pid %ld]\n",
                                    (unsigned long) size, result, IgTrace::program(),
                                    (unsigned long) pthread_self (), (long) getpid ()));
        }
    }
 
    IgTrace::enable ();
    return result;
}

IGTRACE_DUAL_HOOK	(	1	,
		void *	,
		domalloc	,
		_main	,
		_libc	,
		(size_t n)	,
		(n)	,
		"malloc"	,
		0	,
		"libc.so.6"
	)

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Variable Documentation

bool autoboot = (IgTraceMem::initialize (), true) [static]

Definition at line 110 of file IgTraceMem.cc.

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