The kernel parameters netdev_budget is not documented in kernel-docs. Since it may have a substantial effect on at least some network loads, it should be. Eg, for market-data (small packet, UDP) loads: sz drops acks msgs mbs 256 129985 163714 293700 601439 # receiver's netdev_budget=5 256 122245 171830 294075 602181 # 10 256 89887 190412 280299 574007 # 20 256 92510 188063 280573 574545 # 30 256 110642 179137 289780 593462 # 40 256 124073 170354 294427 602936 # 50 256 182194 113298 295492 605134 # 100 256 276881 16792 293673 601402 # 1000 256 280287 13851 294139 602389 # 10000 Attaching a small patch to proc.txt with some very simple test.
Created attachment 317392 [details] patch to add netdev_budget to proc.txt
Updating PM score.
This request was evaluated by Red Hat Product Management for inclusion in a Red Hat Enterprise Linux maintenance release. Product Management has requested further review of this request by Red Hat Engineering, for potential inclusion in a Red Hat Enterprise Linux Update release for currently deployed products. This request is not yet committed for inclusion in an Update release.
An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on therefore solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHSA-2009-1243.html