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Callgrind main() inclusive 成本远小于 100%

我分析了一些在 Linux 上运行的非常简单的 C++ 程序。main() 的包含成本远非 100%,大约为 3.83%。我是否正确使用了 callgrind?我在下面粘贴了callgrind_annotatewith的输出--inclusive=yes

该程序称为堆,它执行简单的堆排序。我使用的命令是

valgrind --tool=callgrind ./heap
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然后,我输入

callgrind_annotate --inclusive=yes callgrind.out.25434
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输出:

`--------------------------------------------------------------------------------

Profile data file 'callgrind.out.25434' (creator: callgrind-3.6.0)

`--------------------------------------------------------------------------------

I1 cache:
D1 cache:
LL cache:
Timerange: Basic block 0 - 361578
Trigger: Program termination
Profiled target:  ./heap (PID 25434, part 1)
Events recorded:  Ir
Events shown:     Ir
Event sort order: Ir
Thresholds:       99
Include dirs:
User annotated:
Auto-annotation:  off

`--------------------------------------------------------------------------------

       Ir
`--------------------------------------------------------------------------------

2,552,558  PROGRAM TOTALS

`--------------------------------------------------------------------------------

       Ir  file:function

`-------------------------------------------------------------------------------- …
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profiling valgrind callgrind

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