[Intel-wired-lan] [next PATCH S46 2/8] i40evf: enable adaptive interrupt throttling

[Bowers, AndrewX]

> -----Original Message-----
> From: Intel-wired-lan [mailto:intel-wired-lan-bounces at lists.osuosl.org] On
> Behalf Of Bimmy Pujari
> Sent: Monday, September 12, 2016 2:19 PM
> To: intel-wired-lan at lists.osuosl.org
> Subject: [Intel-wired-lan] [next PATCH S46 2/8] i40evf: enable adaptive
> interrupt throttling
> 
> From: Mitch Williams <mitch.a.williams at intel.com>
> 
> All of the code to support adaptive interrupt throttling is already in the
> interrupt handler, it just needs to be enabled. Fill out the data structures
> properly to make it happen. Single-flow traffic tests may show slightly lower
> throughput, but interrupts per second will drop by about 75%.
> 
> Signed-off-by: Mitch Williams <mitch.a.williams at intel.com>
> Change-ID: I9cd7d42c025b906bf1bb85c6aeb6112684aa6471
> ---
> Testing Hints : Use itop to monitor interrupt load and run netperf.
> 
>  drivers/net/ethernet/intel/i40evf/i40evf_main.c | 16 +++++++++++-----
>  1 file changed, 11 insertions(+), 5 deletions(-)

Tested-by: Andrew Bowers <andrewx.bowers at intel.com>
Interrupts significantly lower with patch applied as expected