Zaccomer Lajos [off-list ref] writes:

I'm playing around with a simulation, in which many thousands of IP

addresses (on interface aliases) are used to send/receive TCP/UDP

Something seems to be wrong with your emailer. It adds a empty
line between each real line.

packets. I noticed that the time of send/sendto increased linearly

with the number of file descriptors, and I found it rather strange.

Yes that is strange. I would suggest you use oprofile to identify which
parts of the kernel use the CPU time with many descriptors.

-Andi