Use of the new kernel module is optional. When available, it helps atop with more information.
Quoting <http://www.atoptool.nl/downloadnetatop.php#overview>: "As soon as atop discovers that [the netatop] module is active, it shows columns in the generic screen for the number of transmitted and received packets per process. When the 'n' key is pressed, it shows detailed counters about the number packets transmitted/received via TCP and UDP, the average sizes of these packets, and the total bandwidth consumed for input and output per process/thread."
November 19, 2012 Atop version 2.0.2 Modifications for atop: Bug-solution: The per-process disk statistics are only shown for own processes, so not for processes running under another identity. Bug-solution: The space reserved for the RNET/SNET counters in the generic screen is too small, especially when requesting per-second values (key '1'). Bug-solution: When per-user/per-program (key 'u'/'p') accumulation is active, no proper sorting on the network activity is done.
should be all set now in the tree; thanks for the report! Commit message: Version bump http://sources.gentoo.org/sys-process/atop/atop-2.0.2.ebuild?rev=1.1 http://sources.gentoo.org/sys-process/atop/files/atop-2.0.2-build.patch?rev=1.1
