Before the dash-r1 patch (genlop counts both binutils and binutils-config):
--------------------------------------------------------------
hpvis ~ # export i=binutils ; emerge -vp $i | genlop -p; echo ; genlop -t $i
These are the pretended packages: (this may take a while; wait...)

[ebuild   R   ] sys-devel/binutils-2.15.92.0.2-r10  -multislot -multitarget +nls -test 0 kB


Estimated update time: 47 minutes.

 * sys-devel/binutils

     Mon Nov 15 21:43:07 2004 >>> sys-devel/binutils-2.14.90.0.8-r1
       merge time: 1 hour, 31 minutes and 29 seconds.

     Wed Dec  8 10:55:08 2004 >>> sys-devel/binutils-2.15.92.0.2-r1
       merge time: 1 hour, 42 minutes and 52 seconds.

     Sun Jan 23 20:23:14 2005 >>> sys-devel/binutils-2.15.92.0.2-r1
       merge time: 53 minutes and 58 seconds.

     Mon Jan 24 12:46:24 2005 >>> sys-devel/binutils-2.15.92.0.2-r1
       merge time: 52 minutes and 57 seconds.

     Mon Jan 24 17:30:18 2005 >>> sys-devel/binutils-2.15.92.0.2-r1
       merge time: 53 minutes and 17 seconds.

     Mon Jan 31 11:45:02 2005 >>> sys-devel/binutils-2.15.92.0.2-r1
       merge time: 53 minutes and 14 seconds.

     Mon Jan 31 18:23:21 2005 >>> sys-devel/binutils-2.15.92.0.2-r1
       merge time: 52 minutes and 47 seconds.

     Tue Feb  1 04:54:19 2005 >>> sys-devel/binutils-2.15.92.0.2-r1
       merge time: 54 minutes and 4 seconds.

     Tue Apr  5 10:36:09 2005 >>> sys-devel/binutils-2.15.92.0.2-r7
       merge time: 56 minutes and 27 seconds.

     Sun May  8 11:10:29 2005 >>> sys-devel/binutils-2.15.92.0.2-r8
       merge time: 54 minutes and 56 seconds.

     Sun May 29 09:50:04 2005 >>> sys-devel/binutils-2.15.92.0.2-r10
       merge time: 55 minutes and 54 seconds.

     Sun May 29 15:17:52 2005 >>> sys-devel/binutils-2.15.92.0.2-r10
       merge time: 54 minutes and 44 seconds.

     Mon May 30 01:01:14 2005 >>> sys-devel/binutils-2.15.92.0.2-r10
       merge time: 55 minutes and 24 seconds.

     Fri Jun  3 16:40:12 2005 >>> sys-devel/binutils-2.15.92.0.2-r10
       merge time: 56 minutes and 3 seconds.
--------------------------------------------------------------
After the dash-r1 patch (genlop counts only binutils this time):
--------------------------------------------------------------
hpvis ~ # export i=binutils ; emerge -vp $i | genlop -p; echo ; genlop -t $i
These are the pretended packages: (this may take a while; wait...)

[ebuild   R   ] sys-devel/binutils-2.15.92.0.2-r10  -multislot -multitarget +nls -test 0 kB


Estimated update time: 1 hour, .

 * sys-devel/binutils

     Mon Nov 15 21:43:07 2004 >>> sys-devel/binutils-2.14.90.0.8-r1
       merge time: 1 hour, 31 minutes and 29 seconds.

     Wed Dec  8 10:55:08 2004 >>> sys-devel/binutils-2.15.92.0.2-r1
       merge time: 1 hour, 42 minutes and 52 seconds.

     Sun Jan 23 20:23:14 2005 >>> sys-devel/binutils-2.15.92.0.2-r1
       merge time: 53 minutes and 58 seconds.

     Mon Jan 24 12:46:24 2005 >>> sys-devel/binutils-2.15.92.0.2-r1
       merge time: 52 minutes and 57 seconds.

     Mon Jan 24 17:30:18 2005 >>> sys-devel/binutils-2.15.92.0.2-r1
       merge time: 53 minutes and 17 seconds.

     Mon Jan 31 11:45:02 2005 >>> sys-devel/binutils-2.15.92.0.2-r1
       merge time: 53 minutes and 14 seconds.

     Mon Jan 31 18:23:21 2005 >>> sys-devel/binutils-2.15.92.0.2-r1
       merge time: 52 minutes and 47 seconds.

     Tue Feb  1 04:54:19 2005 >>> sys-devel/binutils-2.15.92.0.2-r1
       merge time: 54 minutes and 4 seconds.

     Tue Apr  5 10:36:09 2005 >>> sys-devel/binutils-2.15.92.0.2-r7
       merge time: 56 minutes and 27 seconds.

     Sun May  8 11:10:29 2005 >>> sys-devel/binutils-2.15.92.0.2-r8
       merge time: 54 minutes and 56 seconds.

     Sun May 29 09:50:04 2005 >>> sys-devel/binutils-2.15.92.0.2-r10
       merge time: 55 minutes and 54 seconds.

     Sun May 29 15:17:52 2005 >>> sys-devel/binutils-2.15.92.0.2-r10
       merge time: 54 minutes and 44 seconds.

     Mon May 30 01:01:14 2005 >>> sys-devel/binutils-2.15.92.0.2-r10
       merge time: 55 minutes and 24 seconds.

     Fri Jun  3 16:40:12 2005 >>> sys-devel/binutils-2.15.92.0.2-r10
       merge time: 56 minutes and 3 seconds.
--------------------------------------------------------------