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valgrind: Memory Management Debugger

(auf gut Glück)		(meist engl.)		(falls vorhanden)

Zusammenfassung (meist engl.)

Valgrind checks all memory operations in an application, like read, write, malloc, new, free, and delete. Valgrind can find uses of uninitialized memory, access to already freed memory, overflows, illegal stack operations, memory leaks, and any illegal new/malloc/free/delete commands. Another program in the package is "cachegrind," a profiler based on the valgrind engine. To use valgrind you should compile your application with "-g -O0" compiler options. Afterwards you can use it with: valgrind --tool=memcheck --sloppy-malloc=yes --leak-check=yes --db-attach=yes my_application, for example. More valgrind options can be listed via "valgrind --help". There is also complete documentation in the /usr/share/doc/packages/valgrind/ directory. A debugged application runs slower and needs much more memory, but is usually still usable. Valgrind is still in development, but it has been successfully used to optimize several KDE applications. Authors: -------- Julian Seward <jseward@acm.org> Cerion Armour-Brown Jeremy Fitzhardinge Tom Hughes Nicholas Nethercote Paul Mackerras Dirk Mueller Robert Walsh