Valgrind and Python

Jean-Paul Calderone exarkun at divmod.com
Sat Nov 10 01:44:32 CET 2007


On 10 Nov 2007 02:38:57 +0200, Esa A E Peuha <esa.peuha at helsinki.fi> wrote:
>Running Python 2.5.1 under Valgrind is interesting; just starting it and
>then pressing Ctrl-D produces this:
>
>==27082== ERROR SUMMARY: 713 errors from 56 contexts (suppressed: 10 from 1)
>==27082== malloc/free: in use at exit: 1,243,153 bytes in 508 blocks.
>==27082== malloc/free: 3,002 allocs, 2,494 frees, 2,748,487 bytes allocated.
>==27082== For counts of detected errors, rerun with: -v
>==27082== searching for pointers to 508 not-freed blocks.
>==27082== checked 1,399,984 bytes.
>==27082==
>==27082== LEAK SUMMARY:
>==27082==    definitely lost: 0 bytes in 0 blocks.
>==27082==      possibly lost: 17,072 bytes in 58 blocks.
>==27082==    still reachable: 1,226,081 bytes in 450 blocks.
>==27082==         suppressed: 0 bytes in 0 blocks.
>==27082== Reachable blocks (those to which a pointer was found) are not shown.
>==27082== To see them, rerun with: --show-reachable=yes
>
>A lot of those 713 errors occur in the various deallocation functions.
>

Did you use the suppression file?

Jean-Paul



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