[Question] TCP stack performance decrease since 3.14

2015-04-15 Thread rapier
All, First, my apologies if this came up previously but I couldn't find anything using a keyword search of the mailing list archive. As part of the on going work with web10g I need to come up with baseline TCP stack performance for various kernel revision. Using netperf and super_netperf*

Re: [Question] TCP stack performance decrease since 3.14

2015-04-15 Thread Rick Jones
On 04/15/2015 12:31 PM, rapier wrote: All, First, my apologies if this came up previously but I couldn't find anything using a keyword search of the mailing list archive. As part of the on going work with web10g I need to come up with baseline TCP stack performance for various kernel revision.

Re: [Question] TCP stack performance decrease since 3.14

2015-04-15 Thread Eric Dumazet
On Wed, 2015-04-15 at 17:38 -0400, rapier wrote: I believe I properly disabled CPU power management in the bios (the lenovo bios isn't terribly clear on this). I then booted with processor.max_cstate=1 idle=poll (also tried with intel_idle.max_cstate=0 and combinatiosn thereof). Still

Re: [Question] TCP stack performance decrease since 3.14

2015-04-15 Thread rapier
On 4/15/15 5:01 PM, Eric Dumazet wrote: On Wed, 2015-04-15 at 15:31 -0400, rapier wrote: All, First, my apologies if this came up previously but I couldn't find anything using a keyword search of the mailing list archive. As part of the on going work with web10g I need to come up with

Re: [Question] TCP stack performance decrease since 3.14

2015-04-15 Thread Eric Dumazet
On Wed, 2015-04-15 at 15:31 -0400, rapier wrote: All, First, my apologies if this came up previously but I couldn't find anything using a keyword search of the mailing list archive. As part of the on going work with web10g I need to come up with baseline TCP stack performance for