C++記憶體檢查工具valgrind
阿新 • • 發佈:2019-01-06
安裝
apt-get install valgrind
注意在Ubuntu 16.10上,需要python2為預設python版本。
執行
啟動C++程式前加上valgrind即可。
valgrind ./builder/bin/wind_tunnel_d -c ./config_pdc.js
檢查報告
C-c C-c退出程序,可以看到如下報告:
==16085== Memcheck, a memory error detector ==16085== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al. ==16085== Using Valgrind-3.12.0.SVN and LibVEX; rerun with -h for copyright info ==16085== Command: ./builder/bin/wind_tunnel_d -c ./config_pdc.js ==16085== C-c C-c==16085== ==16085== HEAP SUMMARY: ==16085== in use at exit: 56,708 bytes in 206 blocks ==16085== total heap usage: 553,865 allocs, 553,659 frees, 35,269,883 bytes allocated ==16085== ==16085== LEAK SUMMARY: ==16085== definitely lost: 0 bytes in 0 blocks ==16085== indirectly lost: 0 bytes in 0 blocks ==16085== possibly lost: 0 bytes in 0 blocks ==16085== still reachable: 56,708 bytes in 206 blocks ==16085== of which reachable via heuristic: ==16085== newarray : 14,440 bytes in 29 blocks ==16085== suppressed: 0 bytes in 0 blocks ==16085== Rerun with --leak-check=full to see details of leaked memory ==16085== ==16085== For counts of detected and suppressed errors, rerun with: -v ==16085== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)