Intel® Inspector Tutorial: Analyzing Memory Errors in a C++ Sample Application for Linux* OS

Tutorial

  • 2021.1
  • 12/04/2020
  • Public Content
Contents

Resolve Issue

Intel® Inspector
 is a dynamic memory and threading error checking tool for users developing serial and multithreaded applications on Windows* and Linux* operating systems. This topic is part of a
tutorial
 that shows how to find and fix
memory
 errors using the
Intel Inspector
 and a
C++
 sample application.
To fix the detected memory error:

Investigate the Issue

The commenting embedded in the
find_and_fix_memory_errors.cpp
 sample file reveals the cause of the
Mismatched allocation/deallocation
 problem:
delete
 is the appropriate deallocation function, not
free
.

Access an Editor

Double-click the highlighted code in the
Source
 tab to open the
find_and_fix_memory_errors.cpp
 source file in an editor.

Change the Source Code

  1. Comment
    free(drawing);
     and uncomment
    //delete drawing;
    .
  2. Save your edits.
  3. Click the result tab to return to the
    Sources
     window.
    The
    Sources
     window data is unchanged because it is a snapshot of the source code at the time of analysis.
  4. Click the
    Summary
     button to redisplay the
    Summary
     window.

Product and Performance Information

1

Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.