How to test Linux-based applications?



  • How can I properly test a program on Linux? For example, find out the maximum memory consumption, the amount of used processor time?

    I do not mean just to open htop and look, but by analogy with time [application].



  • # valgrind --trace-children=yes time echo anus
    ==5286== Memcheck, a memory error detector
    ==5286== Command: time echo anus
    ==5286==
    ==5289== Memcheck, a memory error detector
    ==5289== Command: /bin/echo anus
    ==5289==
    anus
    ==5289==
    ==5289== HEAP SUMMARY:
    ==5289==     in use at exit: 0 bytes in 0 blocks
    ==5289==   total heap usage: 30 allocs, 30 frees, 1,985 bytes allocated
    ==5289==
    ==5289== All heap blocks were freed -- no leaks are possible
    ==5289==
    ==5289== For counts of detected and suppressed errors, rerun with: -v
    ==5289== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 13 from 8)
    0.43user 0.02system 0:00.46elapsed 99%CPU (0avgtext+0avgdata 107024maxresident)k
    0inputs+8outputs (0major+8687minor)pagefaults 0swaps
    ==5286==
    ==5286== HEAP SUMMARY:
    ==5286==     in use at exit: 0 bytes in 0 blocks
    ==5286==   total heap usage: 0 allocs, 0 frees, 0 bytes allocated
    ==5286==
    ==5286== All heap blocks were freed -- no leaks are possible
    ==5286==
    ==5286== For counts of detected and suppressed errors, rerun with: -v
    ==5286== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 13 from 8)
    

  • Junior Test Automation



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