p latency check, 1 byte, shared link

$ simdag/network/p2p/test_latency1 ${srcdir:=.}/simdag/network/p2p/platform_2p_1sl.xml --surf-path=${srcdir} --log=sd_kernel.thres=warning --log=root.fmt:[%10.6r]%e(%i:%P@%h)%e%m%n
> [  0.000000] (0:@) surf_workstation_model_init_ptask_L07
> 1.5

p latency check, 1 byte, fat pipe

$ simdag/network/p2p/test_latency1 ${srcdir:=.}/simdag/network/p2p/platform_2p_1fl.xml --surf-path=${srcdir} --log=sd_kernel.thres=warning --log=root.fmt:[%10.6r]%e(%i:%P@%h)%e%m%n
> [  0.000000] (0:@) surf_workstation_model_init_ptask_L07
> 1.5

p latency check, 1 byte, link - switch - link 

$ simdag/network/p2p/test_latency1 ${srcdir:=.}/simdag/network/p2p/platform_2p_1switch.xml --surf-path=${srcdir} --log=sd_kernel.thres=warning --log=root.fmt:[%10.6r]%e(%i:%P@%h)%e%m%n
> [  0.000000] (0:@) surf_workstation_model_init_ptask_L07
> 3