Re: Performance regressions in TCP_STREAM tests in Linux 4.15 (and later)

2018-05-02 Thread Eric Dumazet
ril 30, 2018 10:48 AM > To: Ben Greear ; Steven Rostedt > ; Michael Wenig > Cc: netdev@vger.kernel.org; Shilpi Agarwal ; Boon Ang > ; Darren Hart ; Steven Rostedt > ; Abdul Anshad Azeez > Subject: Re: Performance regressions in TCP_STREAM tests in Linux 4.15 (and > later) > &

RE: Performance regressions in TCP_STREAM tests in Linux 4.15 (and later)

2018-05-02 Thread Michael Wenig
egressions in TCP_STREAM tests in Linux 4.15 (and later) On 04/30/2018 09:36 AM, Eric Dumazet wrote: > > > On 04/30/2018 09:14 AM, Ben Greear wrote: >> On 04/27/2018 08:11 PM, Steven Rostedt wrote: >>> >>> We'd like this email archived in netdev list, but

Re: Performance regressions in TCP_STREAM tests in Linux 4.15 (and later)

2018-04-30 Thread Eric Dumazet
On 04/30/2018 09:36 AM, Eric Dumazet wrote: > > > On 04/30/2018 09:14 AM, Ben Greear wrote: >> On 04/27/2018 08:11 PM, Steven Rostedt wrote: >>> >>> We'd like this email archived in netdev list, but since netdev is >>> notorious for blocking outlook email as spam, it didn't go through. So >>> I

Re: Performance regressions in TCP_STREAM tests in Linux 4.15 (and later)

2018-04-30 Thread Eric Dumazet
On 04/30/2018 09:14 AM, Ben Greear wrote: > On 04/27/2018 08:11 PM, Steven Rostedt wrote: >> >> We'd like this email archived in netdev list, but since netdev is >> notorious for blocking outlook email as spam, it didn't go through. So >> I'm replying here to help get it into the archives. >> >>

Re: Performance regressions in TCP_STREAM tests in Linux 4.15 (and later)

2018-04-30 Thread Steven Rostedt
On Mon, 30 Apr 2018 09:14:04 -0700 Ben Greear wrote: > >> As part of VMware's performance testing with the Linux 4.15 kernel, > >> we identified CPU cost and throughput regressions when comparing to > >> the Linux 4.14 kernel. The impacted test cases are mostly TCP_STREAM > >> send tests when usi

Re: Performance regressions in TCP_STREAM tests in Linux 4.15 (and later)

2018-04-30 Thread Ben Greear
On 04/27/2018 08:11 PM, Steven Rostedt wrote: We'd like this email archived in netdev list, but since netdev is notorious for blocking outlook email as spam, it didn't go through. So I'm replying here to help get it into the archives. Thanks! -- Steve On Fri, 27 Apr 2018 23:05:46 + Micha

Re: Performance regressions in TCP_STREAM tests in Linux 4.15 (and later)

2018-04-27 Thread Steven Rostedt
We'd like this email archived in netdev list, but since netdev is notorious for blocking outlook email as spam, it didn't go through. So I'm replying here to help get it into the archives. Thanks! -- Steve On Fri, 27 Apr 2018 23:05:46 + Michael Wenig wrote: > As part of VMware's performa