Re: Performance regression between 4.13 and 4.14

2018-05-09 Thread Ben Greear
On 05/09/2018 12:02 PM, Ben Greear wrote: On 05/09/2018 11:48 AM, Eric Dumazet wrote: On 05/09/2018 11:43 AM, Ben Greear wrote: On 05/08/2018 10:10 AM, Eric Dumazet wrote: On 05/08/2018 09:44 AM, Ben Greear wrote: Hello, I am trying to track down a performance regression that appears to

Re: Performance regression between 4.13 and 4.14

2018-05-09 Thread Ben Greear
On 05/09/2018 11:48 AM, Eric Dumazet wrote: On 05/09/2018 11:43 AM, Ben Greear wrote: On 05/08/2018 10:10 AM, Eric Dumazet wrote: On 05/08/2018 09:44 AM, Ben Greear wrote: Hello, I am trying to track down a performance regression that appears to be between 4.13 and 4.14. I first saw the

Re: Performance regression between 4.13 and 4.14

2018-05-09 Thread Eric Dumazet
On 05/09/2018 11:43 AM, Ben Greear wrote: > On 05/08/2018 10:10 AM, Eric Dumazet wrote: >> >> >> On 05/08/2018 09:44 AM, Ben Greear wrote: >>> Hello, >>> >>> I am trying to track down a performance regression that appears to be >>> between 4.13 >>> and 4.14. >>> >>> I first saw the problem with

Re: Performance regression between 4.13 and 4.14

2018-05-09 Thread Ben Greear
On 05/08/2018 10:10 AM, Eric Dumazet wrote: On 05/08/2018 09:44 AM, Ben Greear wrote: Hello, I am trying to track down a performance regression that appears to be between 4.13 and 4.14. I first saw the problem with a hacked version of pktgen on some ixgbe NICs. 4.13 can do right at 10G bi

Re: Performance regression between 4.13 and 4.14

2018-05-08 Thread Eric Dumazet
On 05/08/2018 09:44 AM, Ben Greear wrote: > Hello, > > I am trying to track down a performance regression that appears to be between > 4.13 > and 4.14. > > I first saw the problem with a hacked version of pktgen on some ixgbe NICs.  > 4.13 can do > right at 10G bi-directional on two ports, an

Performance regression between 4.13 and 4.14

2018-05-08 Thread Ben Greear
Hello, I am trying to track down a performance regression that appears to be between 4.13 and 4.14. I first saw the problem with a hacked version of pktgen on some ixgbe NICs. 4.13 can do right at 10G bi-directional on two ports, and 4.14 and later can do only about 6Gbps. I also tried with