Howtos - Monitor memory leaks » History » Version 1
Greg Burri, 03/25/2011 06:13 PM
| 1 | 1 | Greg Burri | h1. Howtos - Monitor memory leaks |
|---|---|---|---|
| 2 | |||
| 3 | # Activate monitoring: Uncomment @# DEFINES += ENABLE_NVWA@ in Core.pro. |
||
| 4 | # Recompile the core |
||
| 5 | # Run with the debugger (F5) |
||
| 6 | # When you want to check the memory leaks type @quit@ in the console. |
||
| 7 | |||
| 8 | The output should be like this: |
||
| 9 | |||
| 10 | <pre> |
||
| 11 | quit |
||
| 12 | Leaked object at 028E3D30 (size 24, 00418418) |
||
| 13 | Leaked object at 028E5B60 (size 24, 004183CC) |
||
| 14 | Leaked object at 028E6148 (size 24, 004183CC) |
||
| 15 | Leaked object at 028E9B08 (size 24, 004183CC) |
||
| 16 | Leaked object at 028E8F98 (size 24, 00418418) |
||
| 17 | Leaked object at 028E6798 (size 24, 00418418) |
||
| 18 | Leaked object at 028E9078 (size 24, 00418418) |
||
| 19 | Leaked object at 028E9630 (size 14, /mingw/src/gccbf/mingw32/libstdc++-v3/include/bits/basic_string.tcc:587) |
||
| 20 | Leaked object at 028E6F00 (size 24, 00418418) |
||
| 21 | Leaked object at 028E6F70 (size 24, 00418418) |
||
| 22 | Leaked object at 028E6FE0 (size 24, 00418418) |
||
| 23 | Leaked object at 028E7BE0 (size 48, 0041D57E) |
||
| 24 | Leaked object at 028E7C68 (size 48, 0041D692) |
||
| 25 | Leaked object at 028E7CF0 (size 48, 0041D692) |
||
| 26 | Leaked object at 028E7D78 (size 48, 0041D636) |
||
| 27 | Leaked object at 028E7E00 (size 48, 0041D5DA) |
||
| 28 | Leaked object at 028E6400 (size 24, 00418418) |
||
| 29 | Leaked object at 028EE788 (size 24, 00418418) |
||
| 30 | Leaked object at 028EE7F8 (size 24, /mingw/src/gccbf/mingw32/libstdc++-v3/include/bits/basic_string.tcc:587) |
||
| 31 | Leaked object at 028EE868 (size 40, E:\projects\D-LAN\application\Core/main.cpp:43) |
||
| 32 | Leaked object at 028EB400 (size 8, E:\projects\D-LAN\application\Core/../Libs/qtservice/src/qtservice.h:183) |
||
| 33 | *** 21 leaks found |
||
| 34 | delete: freed 028EE7F8 (size 24, 590 bytes still allocated) |
||
| 35 | delete: freed 028EE788 (size 24, 566 bytes still allocated) |
||
| 36 | delete: freed 028E6148 (size 24, 542 bytes still allocated) |
||
| 37 | delete: freed 028E6400 (size 24, 518 bytes still allocated) |
||
| 38 | delete: freed 028E9B08 (size 24, 494 bytes still allocated) |
||
| 39 | delete: freed 028E5B60 (size 24, 470 bytes still allocated) |
||
| 40 | delete: freed 028E7E00 (size 48, 422 bytes still allocated) |
||
| 41 | delete: freed 028E7D78 (size 48, 374 bytes still allocated) |
||
| 42 | delete: freed 028E7CF0 (size 48, 326 bytes still allocated) |
||
| 43 | delete: freed 028E7C68 (size 48, 278 bytes still allocated) |
||
| 44 | delete: freed 028E7BE0 (size 48, 230 bytes still allocated) |
||
| 45 | delete: freed 028E6FE0 (size 24, 206 bytes still allocated) |
||
| 46 | delete: freed 028E6F70 (size 24, 182 bytes still allocated) |
||
| 47 | delete: freed 028E6F00 (size 24, 158 bytes still allocated) |
||
| 48 | delete: freed 028E9630 (size 14, 144 bytes still allocated) |
||
| 49 | delete: freed 028E9078 (size 24, 120 bytes still allocated) |
||
| 50 | delete: freed 028E6798 (size 24, 96 bytes still allocated) |
||
| 51 | delete: freed 028E8F98 (size 24, 72 bytes still allocated) |
||
| 52 | delete: freed 028E3D30 (size 24, 48 bytes still allocated) |
||
| 53 | Press <RETURN> to close this window... |
||
| 54 | </pre> |
||
| 55 | |||
| 56 | For some leaks the file and the line are not displayed because the code doesn't contain any debug information, a lot of the leaks shown below come from static variables from the Protocol Buffer library. The leak from @main.cpp:43@ is just a test, this line has been added: @int* test = new int[10];@ |