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valgrind on Fedora22

Valgrind is an instrumentation framework for building dynamic analysis tools.
Valgrind Home

インストール

$ sudo dnf install valgrind

メモリリーク検出

$ valgrind --leak-check=full ./fib
==4784== Memcheck, a memory error detector
==4784== Copyright (C) 2002-2013, and GNU GPL'd, by Julian Seward et al.
==4784== Using Valgrind-3.10.1 and LibVEX; rerun with -h for copyright info
==4784== Command: ./fib
==4784==
832040
==4784==
==4784== HEAP SUMMARY:
==4784==     in use at exit: 0 bytes in 0 blocks
==4784==   total heap usage: 0 allocs, 0 frees, 0 bytes allocated
==4784==
==4784== All heap blocks were freed -- no leaks are possible
==4784==
==4784== For counts of detected and suppressed errors, rerun with: -v
==4784== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)

ヒーププロファイラ

$ valgrind --tool=massif ./fib
==4805== Massif, a heap profiler
==4805== Copyright (C) 2003-2013, and GNU GPL'd, by Nicholas Nethercote
==4805== Using Valgrind-3.10.1 and LibVEX; rerun with -h for copyright info
==4805== Command: ./fib
==4805==
832040
==4805==
$ ls -la massif.out.4805
-rw------- 1 dela dela 144 Feb  8 08:48 massif.out.4805
$ cat massif.out.4805
desc: (none)
cmd: ./fib
time_unit: i
#-----------
snapshot=0
#-----------
time=0
mem_heap_B=0
mem_heap_extra_B=0
mem_stacks_B=0
heap_tree=empty

コールグラフ

$ valgrind --tool=callgrind ./fib
==4837== Callgrind, a call-graph generating cache profiler
==4837== Copyright (C) 2002-2013, and GNU GPL'd, by Josef Weidendorfer et al.
==4837== Using Valgrind-3.10.1 and LibVEX; rerun with -h for copyright info
==4837== Command: ./fib
==4837==
==4837== For interactive control, run 'callgrind_control -h'.
832040
==4837==
==4837== Events    : Ir
==4837== Collected : 45872890
==4837==
==4837== I   refs:      45,872,890
$ ls -la callgrind.out.4837
-rw------- 1 dela dela 12618 Feb  8 08:49 callgrind.out.4837