problem with gc?

[zhmt via Digitalmars-d-learn]

When I enable the --profle, get something like this, it doesnt 
give me too much help:

======== Timer Is 3579545 Ticks/Sec, Times are in Microsecs 
========

   Num          Tree        Func        Per
   Calls        Time        Time        Call

1298756  4996649885  4987577377        3840     int 
gamelibd.net.linux.TcpLinuxConn.TcpLinuxConn.writeSome(ubyte[])
30358909 14353678347  4433441425         146     void 
gamelibd.net.linux.linuxconn.selectAndProcessNetEvents(ulong)
30359249  1670090296  1582462941          52     long 
gamelibd.util.utcNow()
1298744   874889280   858583339         661     
_D8gamelibd3net5linux12TcpLinuxConn12TcpLinuxConn8readSomeMFAhZ9__lambda2MFZv
1300549       25997   803742026         618     int 
gamelibd.net.linux.TcpLinuxConn.TcpLinuxConn.readSome(ubyte[])
2597506   756203332   702092233         270     void 
gamelibd.net.linux.epollapi.changeEv(int, int, void*, int)
30358909  9920075665   285890739           9     void 
gamelibd.net.linux.linuxconn.handleEvent(gamelibd.net.linux.epollapi.epoll_event[])
1298744  5131800498   244989946         188     void 
gamelibd.net.linux.TcpLinuxConn.TcpLinuxConn.doRead(gamelibd.net.linux.epollapi.epoll_event*)
1298768           0   223952199         172     void 
gamelibd.net.linux.IoEventHandler.IoEventHandler.autoReaderFiberSetting(void 
delegate())
1298756  5207337081   210684924         162     int 
gamelibd.net.linux.TcpLinuxConn.TcpLinuxConn.write(ubyte[])
30358953   162443804   162443804           5     @property bool 
gamelibd.util.LinkedList!(gamelibd.net.exceptionsafefiber.ExceptionSafeFiber).LinkedList.isEmpty()
  648485   989705094   139972636         215     int 
gamelibd.net.linux.TcpLinuxConn.TcpLinuxConn.read(ubyte[])
1298919  1008643391   124807374          96     void 
gamelibd.net.exceptionsafefiber.ExceptionSafeFiber.resume()
30359072    88431872    88431872           2     pure nothrow 
@nogc @safe gamelibd.net.exceptionsafefiber.TimerTask 
std.container.rbtree.__T12RedBlackTreeTC8gamelibd3net18exceptionsafefiber9TimerTaskVAyaa25_612e737461727454696d65203c20622e737461727454696d65Vbi1Z.RedBlackTree.front()
1298750  1574897328    87384898          67     void 
gamelibd.net.linux.IoEventHandler.IoEventHandler.tryResumeReaderFiber()
30359072    77325915    77325915           2     pure nothrow 
@property @nogc @safe ulong 
std.container.rbtree.__T12RedBlackTreeTC8gamelibd3net18exceptionsafefiber9TimerTaskVAyaa25_612e737461727454696d65203c20622e737461727454696d65Vbi1Z.RedBlackTree.length()
4544831    61560347    61560347          13     pure @safe bool 
std.exception.enforce!(bool).enforce(bool, lazy object.Throwable)
2597500    51905642    51905642          19     void 
gamelibd.net.linux.TcpLinuxConn.TcpLinuxConn.throwExceptionIfErrAfterOp(long)
1298951    49392056    49392056          38     
gamelibd.net.exceptionsafefiber.ExceptionSafeFiber 
gamelibd.net.exceptionsafefiber.ExceptionSafeFiber.getThis()
2597518    80877181    46297298          17     
gamelibd.mem.Ptr!(gamelibd.net.provider.Conn).Ptr.getinout(ref 
@property inout(gamelibd.net.provider.Conn) function())
2597693    51725730    37629038          14     
gamelibd.mem.Ptr!(gamelibd.net.exceptionsafefiber.ExceptionSafeFiber).Ptr.getinout(ref 
@property 
inout(gamelibd.net.exceptionsafefiber.ExceptionSafeFiber) 
function())
1298756   479941655    34717468          26     void 
gamelibd.net.linux.IoEventHandler.IoEventHandler.enableRead()