problem with gc?

[zhmt via Digitalmars-d-learn]

On Wednesday, 27 May 2015 at 09:39:42 UTC, Anonymouse wrote:
> On Wednesday, 27 May 2015 at 08:42:01 UTC, zhmt wrote:
>> When I enable the --profle, get something like this, it doesnt 
>> give me too much help:
>> [...]
>
> Tried callgrind and kcachegrind? If nothing else it's better at 
> illustrating the same output, assuming you have graphviz/dot 
> installed.
>
> Given --dump-instr you can also get instruction-level profiling 
> if you're really wondering what's happening.

@Anonymouse

Thank u very much, I have tried this:

  valgrind  --tool=callgrind ./gamelibdtest

callgrind_annotate callgrind.out.29234

--------------------------------------------------------------------------------
          Ir  file:function
--------------------------------------------------------------------------------
124,918,002  ???:_D9invariant12_d_invariantFC6ObjectZv 
[/mnt/hgfs/mydoc/dworkspace/bin/gamelibdtest]
  27,235,809  ???:_D2gc2gc2GC6mallocMFNbmkPmxC8TypeInfoZPv 
[/mnt/hgfs/mydoc/dworkspace/bin/gamelibdtest]
  22,484,758  
/mnt/hgfs/mydoc/dworkspace/gamelibdtest//usr/include/dmd/phobos/std/format.d:_D3std6format74__T14formatUnsignedTS3std6format16__T7sformatTaTiZ7sformatFAaxAaiZ4SinkTaZ14formatUnsignedFNaNfS3std6format16__T7sformatTaTiZ7sformatFAaxAaiZ4SinkmKS3std6format18__T10FormatSpecTaZ10FormatSpeckbZv 
[/mnt/hgfs/mydoc/dworkspace/bin/gamelibdtest]
  19,171,341  ???:_D2gc2gc3Gcx10smallAllocMFNbhKmkZPv 
[/mnt/hgfs/mydoc/dworkspace/bin/gamelibdtest]
  16,334,730  ???:pthread_mutex_lock 
[/usr/lib64/libpthread-2.17.so]
  14,519,760  ???:pthread_mutex_unlock 
[/usr/lib64/libpthread-2.17.so]
  14,503,272  
/mnt/hgfs/mydoc/dworkspace/gamelibdtest/../gamelibd/source/gamelibd/net/linux/epollapi.d:_D8gamelibd3net5linux8epollapi8bitExistFiiZb 
[/mnt/hgfs/mydoc/dworkspace/bin/gamelibdtest]
  13,521,278  
/mnt/hgfs/mydoc/dworkspace/gamelibdtest/../gamelibd/source/gamelibd/net/linux/TcpLinuxConn.d:_D8gamelibd3net5linux12TcpLinuxConn12TcpLinuxConn8readSomeMFAhZi'2 
[/mnt/hgfs/mydoc/dworkspace/bin/gamelibdtest]
  12,695,373  ???:_D2gc2gc3Gcx10smallAllocMFNbhKmkZ8tryAllocMFNbZb 
[/mnt/hgfs/mydoc/dworkspace/bin/gamelibdtest]
  12,558,147  
/mnt/hgfs/mydoc/dworkspace/gamelibdtest/../gamelibd/source/gamelibd/net/linux/linuxconn.d:_D8gamelibd3net5linux9linuxconn11handleEventFAS8gamelibd3net5linux8epollapi11epoll_eventZv 
[/mnt/hgfs/mydoc/dworkspace/bin/gamelibdtest]
  12,091,173  
???:_D4core6thread5Fiber39__T4callVE4core6thread5Fiber7Rethrowi1Z4callMFZC6object9Throwable 
[/mnt/hgfs/mydoc/dworkspace/bin/gamelibdtest]
  11,153,058  
/mnt/hgfs/mydoc/dworkspace/gamelibdtest//usr/include/dmd/phobos/std/format.d:_D3std6format18__T10FormatSpecTaZ10FormatSpec75__T17writeUpToNextSpecTS3std6format16__T7sformatTaTiZ7sformatFAaxAaiZ4SinkZ17writeUpToNextSpecMFNaNfS3std6format16__T7sformatTaTiZ7sformatFAaxAaiZ4SinkZb 
[/mnt/hgfs/mydoc/dworkspace/bin/gamelibdtest]
  10,877,409  
/mnt/hgfs/mydoc/dworkspace/gamelibdtest/../gamelibd/source/gamelibd/net/linux/epollapi.d:_D8gamelibd3net5linux8epollapi8changeEvFiiPviZv 
[/mnt/hgfs/mydoc/dworkspace/bin/gamelibdtest]
  10,676,006  
/mnt/hgfs/mydoc/dworkspace/gamelibdtest/../gamelibd/source/gamelibd/net/linux/TcpLinuxConn.d:_D8gamelibd3net5linux12TcpLinuxConn12TcpLinuxConn9writeSomeMFAhZi 
[/mnt/hgfs/mydoc/dworkspace/bin/gamelibdtest]
  10,279,096  ???:pthread_getspecific 
[/usr/lib64/libpthread-2.17.so]
   9,741,852  ???:__GI_memset [/usr/lib64/libc-2.17.so]
   9,645,888  ???:_d_arraycopy 
[/mnt/hgfs/mydoc/dworkspace/bin/gamelibdtest]
   9,430,244  ???:_D2gc2gc3Gcx5sweepMFNbZm 
[/mnt/hgfs/mydoc/dworkspace/bin/gamelibdtest]
   8,866,869  
???:_D4core6atomic50__T11atomicStoreVE4core6atomic11MemoryOrderi0TbTbZ11atomicStoreFNaNbNiKObbZv 
[/mnt/hgfs/mydoc/dworkspace/bin/gamelibdtest]
   8,661,662  
/mnt/hgfs/mydoc/dworkspace/gamelibdtest/../gamelibd/source/gamelibd/net/linux/TcpLinuxConn.d:_D8gamelibd3net5linux12TcpLinuxConn12TcpLinuxConn5writeMFAhZi 
[/mnt/hgfs/mydoc/dworkspace/bin/gamelibdtest]