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Unfortunately, Valgrind does not support OS X 10.8 yet. After some Googling, I came across some forum posts where people were able to get it to compile and "almost" link. Does anyone know of any good alternatives to Valgrind for memory leak detection?

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3 Answers 3

up vote 1 down vote accepted

Assuming you can be bothered, if you install MacPorts you will be able to install a functioning Valgrind (3.8.1 as for today) on your system. Unfortunately MacPorts will require you to install the whole XCode, not just the CL tools, so YMMV.

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I came back to this question to post this information myself; I use MacPorts and realized that Valgrind now works. –  void-pointer Jan 24 '13 at 12:39
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While valgrind can be installed, the current state isn't very usable. In a simple program I got the following result;

==16016== 
==16016== HEAP SUMMARY:
==16016==     in use at exit: 63,264 bytes in 364 blocks
==16016==   total heap usage: 516 allocs, 152 frees, 67,154 bytes allocated
==16016== 
==16016== LEAK SUMMARY:
==16016==    definitely lost: 8,624 bytes in 14 blocks 
==16016==    indirectly lost: 1,168 bytes in 5 blocks
==16016==      possibly lost: 4,933 bytes in 68 blocks
==16016==    still reachable: 48,539 bytes in 277 blocks
==16016==         suppressed: 0 bytes in 0 blocks
==16016== Rerun with --leak-check=full to see details of leaked memory
==16016== 
==16016== For counts of detected and suppressed errors, rerun with: -v
==16016== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)

The same code will be fine with using valgrind on a linux.(compiled on their respective systems)

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The Instruments app (part of Xcode) is a very good way to look for leaks and run stress tests on the memory allocation of a running program.

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Can you give some samples about how one could use Instruments to do the same thing as valgrind? –  patrix Nov 5 '12 at 17:56
    
See this thread for instance. Personnally, I still have issue on my new mac book pro retina which display unknown processor in the counter instrument yet it may work for you. –  Sebastien Varrette Nov 14 '12 at 9:21
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