From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?Q?Pawe=c5=82_Staszewski?= Subject: Re: Linux 4.12+ memory leak on router with i40e NICs Date: Wed, 18 Oct 2017 17:44:33 +0200 Message-ID: <748b6d9d-4a3f-4eaa-ad24-27060c2e2642@itcare.pl> References: <1507121766.30720.4.camel@cohaesio.com> <1507180753.20182.8.camel@cohaesio.com> <227d17ae-b040-07d0-3c57-e9acd1a3b5b4@itcare.pl> <3d783736-a474-d9e3-2de2-e35c765f8249@itcare.pl> <39696136-2a4a-9c6c-3a63-4485ed2a1bf3@itcare.pl> <310ce203-0d65-bdf4-d9e4-897a349b3277@itcare.pl> <1704eb26-c4c5-b196-ca7a-5265e92ae4e6@itcare.pl> <7fd828d7-c586-2c32-3ba6-e0575bf9958c@itcare.pl> <99eba19f-327e-e01f-4f4a-87540b176e40@itcare.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Cc: Pavlos Parissis , "Anders K. Pedersen | Cohaesio" , "netdev@vger.kernel.org" , "intel-wired-lan@lists.osuosl.org" , "alexander.h.duyck@intel.com" To: Alexander Duyck Return-path: Received: from smtp52.iq.pl ([86.111.240.252]:51278 "EHLO smtp52.iq.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750964AbdJRPwj (ORCPT ); Wed, 18 Oct 2017 11:52:39 -0400 In-Reply-To: Content-Language: pl Sender: netdev-owner@vger.kernel.org List-ID: W dniu 2017-10-17 o 16:08, Paweł Staszewski pisze: > > > W dniu 2017-10-17 o 13:52, Paweł Staszewski pisze: >> >> >> W dniu 2017-10-17 o 13:05, Paweł Staszewski pisze: >>> >>> >>> W dniu 2017-10-17 o 12:59, Paweł Staszewski pisze: >>>> >>>> >>>> W dniu 2017-10-17 o 12:51, Paweł Staszewski pisze: >>>>> >>>>> >>>>> W dniu 2017-10-17 o 12:20, Paweł Staszewski pisze: >>>>>> >>>>>> >>>>>> W dniu 2017-10-17 o 11:48, Paweł Staszewski pisze: >>>>>>> >>>>>>> >>>>>>> W dniu 2017-10-17 o 02:44, Paweł Staszewski pisze: >>>>>>>> >>>>>>>> >>>>>>>> W dniu 2017-10-17 o 01:56, Alexander Duyck pisze: >>>>>>>>> On Mon, Oct 16, 2017 at 4:34 PM, Paweł Staszewski >>>>>>>>> wrote: >>>>>>>>>> >>>>>>>>>> W dniu 2017-10-16 o 18:26, Paweł Staszewski pisze: >>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> W dniu 2017-10-16 o 13:20, Pavlos Parissis pisze: >>>>>>>>>>>> On 15/10/2017 02:58 πμ, Alexander Duyck wrote: >>>>>>>>>>>>> Hi Pawel, >>>>>>>>>>>>> >>>>>>>>>>>>> To clarify is that Dave Miller's tree or Linus's that you >>>>>>>>>>>>> are talking >>>>>>>>>>>>> about? If it is Dave's tree how long ago was it you pulled >>>>>>>>>>>>> it since I >>>>>>>>>>>>> think the fix was just pushed by Jeff Kirsher a few days ago. >>>>>>>>>>>>> >>>>>>>>>>>>> The issue should be fixed in the following commit: >>>>>>>>>>>>> >>>>>>>>>>>>> https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/drivers/net/ethernet/intel/i40e/i40e_txrx.c?id=2b9478ffc550f17c6cd8c69057234e91150f5972 >>>>>>>>>>>>> >>>>>>>>>>>>> >>>>>>>>>>>> Do you know when it is going to be available on net-next >>>>>>>>>>>> and linux-stable >>>>>>>>>>>> repos? >>>>>>>>>>>> >>>>>>>>>>>> Cheers, >>>>>>>>>>>> Pavlos >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>> I will make some tests today night with "net" git tree where >>>>>>>>>>> this patch is >>>>>>>>>>> included. >>>>>>>>>>> Starting from 0:00 CET >>>>>>>>>>> :) >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>> Upgraded and looks like problem is not solved with that patch >>>>>>>>>> Currently running system with >>>>>>>>>> https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/ >>>>>>>>>> kernel >>>>>>>>>> >>>>>>>>>> Still about 0.5GB of memory is leaking somewhere >>>>>>>>>> >>>>>>>>>> Also can confirm that the latest kernel where memory is not >>>>>>>>>> leaking (with >>>>>>>>>> use i40e driver intel 710 cards) is 4.11.12 >>>>>>>>>> With kernel 4.11.12 - after hour no change in memory usage. >>>>>>>>>> >>>>>>>>>> also checked that with ixgbe instead of i40e with same >>>>>>>>>> net.git kernel there >>>>>>>>>> is no memleak - after hour same memory usage - so for 100% >>>>>>>>>> this is i40e >>>>>>>>>> driver problem. >>>>>>>>> So how long was the run to get the .5GB of memory leaking? >>>>>>>> 1 hour >>>>>>>> >>>>>>>>> >>>>>>>>> Also is there any chance of you being able to bisect to determine >>>>>>>>> where the memory leak was introduced since as you pointed out it >>>>>>>>> didn't exist in 4.11.12 so odds are it was introduced somewhere >>>>>>>>> between 4.11 and the latest kernel release. >>>>>>>> Can be hard cause currently need to back to 4.11.12 - this is >>>>>>>> production host/router >>>>>>>> Will try to find some free/test router for tests/bicects with >>>>>>>> i40e driver (intel 710 cards) >>>>>>>> >>>>>>>>> >>>>>>>>> Thanks. >>>>>>>>> >>>>>>>>> - Alex >>>>>>>>> >>>>>>>> >>>>>>>> >>>>>>> Also forgoto to add errors for i40e when driver initialize: >>>>>>> [   15.760569] i40e 0000:02:00.1: Error I40E_AQ_RC_ENOSPC adding >>>>>>> RX filters on PF, promiscuous mode forced on >>>>>>> [   16.365587] i40e 0000:03:00.3: Error I40E_AQ_RC_ENOSPC adding >>>>>>> RX filters on PF, promiscuous mode forced on >>>>>>> [   16.367686] i40e 0000:02:00.2: Error I40E_AQ_RC_ENOSPC adding >>>>>>> RX filters on PF, promiscuous mode forced on >>>>>>> [   16.368816] i40e 0000:03:00.0: Error I40E_AQ_RC_ENOSPC adding >>>>>>> RX filters on PF, promiscuous mode forced on >>>>>>> [   16.369877] i40e 0000:03:00.2: Error I40E_AQ_RC_ENOSPC adding >>>>>>> RX filters on PF, promiscuous mode forced on >>>>>>> [   16.370941] i40e 0000:02:00.3: Error I40E_AQ_RC_ENOSPC adding >>>>>>> RX filters on PF, promiscuous mode forced on >>>>>>> [   16.372005] i40e 0000:02:00.0: Error I40E_AQ_RC_ENOSPC adding >>>>>>> RX filters on PF, promiscuous mode forced on >>>>>>> [   16.373029] i40e 0000:03:00.1: Error I40E_AQ_RC_ENOSPC adding >>>>>>> RX filters on PF, promiscuous mode forced on >>>>>>> >>>>>>> some params that are set for this nic's >>>>>>>         ip link set up dev $i >>>>>>>         ethtool -A $i autoneg off rx off tx off >>>>>>>         ethtool -G $i rx 1024 tx 2048 >>>>>>>         ip link set $i txqueuelen 1000 >>>>>>>         ethtool -C $i adaptive-rx off adaptive-tx off rx-usecs >>>>>>> 512 tx-usecs 128 >>>>>>>         ethtool -L $i combined 6 >>>>>>>         #ethtool -N $i rx-flow-hash udp4 sdfn >>>>>>>         ethtool -K $i ntuple on >>>>>>>         ethtool -K $i gro off >>>>>>>         ethtool -K $i tso off >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>> Also after TSO/GRO on there is memory usage change - and leaking >>>>>> faster >>>>>> Below image from memory usage before change with TSO/GRO OFF and >>>>>> after enabling TSO/GRO >>>>>> >>>>>> https://ibb.co/dTqBY6 >>>>>> >>>>>> >>>>>> Thanks >>>>>> Pawel >>>>>> >>>>>> >>>>>> >>>>> With settings like this: >>>>> ifc='enp2s0f0 enp2s0f1 enp2s0f2 enp2s0f3 enp3s0f0 enp3s0f1 >>>>> enp3s0f2 enp3s0f3' >>>>> for i in $ifc >>>>>         do >>>>>         ethtool -C $i adaptive-rx off adaptive-tx off rx-usecs 512 >>>>> tx-usecs 128 >>>>>         ethtool -K $i gro on >>>>>         ethtool -K $i tso on >>>>> >>>>>         done >>>>> >>>>> Server is leaking about 4-6MB per each 10 seconds >>>>> MEMLEAK: >>>>> 5  MB/10sec >>>>> 6  MB/10sec >>>>> 4  MB/10sec >>>>> 4  MB/10sec >>>>> >>>>> >>>>> Other settings TSO/GRO off >>>>> ifc='enp2s0f0 enp2s0f1 enp2s0f2 enp2s0f3 enp3s0f0 enp3s0f1 >>>>> enp3s0f2 enp3s0f3' >>>>> for i in $ifc >>>>>         do >>>>>         ethtool -C $i adaptive-rx off adaptive-tx off rx-usecs 512 >>>>> tx-usecs 128 >>>>>         ethtool -K $i gro off >>>>>         ethtool -K $i tso off >>>>> >>>>>         done >>>>> >>>>> Same leak about 5MB per 10 seconds >>>>> MEMLEAK: >>>>> 5  MB/10sec >>>>> 5  MB/10sec >>>>> 5  MB/10sec >>>>> >>>>> >>>>> Other settings rx-usecs change from 512 to 1024: >>>>> ifc='enp2s0f0 enp2s0f1 enp2s0f2 enp2s0f3 enp3s0f0 enp3s0f1 >>>>> enp3s0f2 enp3s0f3' >>>>> for i in $ifc >>>>>         do >>>>>         ethtool -C $i adaptive-rx off adaptive-tx off rx-usecs >>>>> 1024 tx-usecs 128 >>>>>         ethtool -K $i gro off >>>>>         ethtool -K $i tso off >>>>> >>>>>         done >>>>> >>>>> MEMLEAK: >>>>> 4  MB/10sec >>>>> 3  MB/10sec >>>>> 4  MB/10sec >>>>> 4  MB/10sec >>>>> >>>>> >>>>> So memleak have something to do with rx-usecs (less interrupts but >>>>> bigger latency for traffic) >>>>> >>>>> >>>>> But also enabling TSO/GRO making leak about 1MB bigger for each 10 >>>>> seconds >>>>> >>>>> >>>>> >>>> So far best config is: >>>> ifc='enp2s0f0 enp2s0f1 enp2s0f2 enp2s0f3 enp3s0f0 enp3s0f1 enp3s0f2 >>>> enp3s0f3' >>>> for i in $ifc >>>>         do >>>>         ethtool -C $i adaptive-rx off adaptive-tx off rx-usecs 64 >>>> tx-usecs 512 >>>>         ethtool -K $i gro off >>>>         ethtool -K $i tso on >>>> >>>>         done >>>> >>>> MEMLEAK - about 2MB/10secs >>>> 2  MB/10sec >>>> 2  MB/10sec >>>> 2  MB/10sec >>>> >>>> >>>> With - rx-usecs set to 256 (about 7-9MB/10secs memleak) >>>> ifc='enp2s0f0 enp2s0f1 enp2s0f2 enp2s0f3 enp3s0f0 enp3s0f1 enp3s0f2 >>>> enp3s0f3' >>>> for i in $ifc >>>>         do >>>>         ethtool -C $i adaptive-rx off adaptive-tx off rx-usecs 256 >>>> tx-usecs 512 >>>>         ethtool -K $i gro off >>>>         ethtool -K $i tso on >>>> >>>>         done >>>> >>>> MEMLEAK: >>>> 7  MB/10sec >>>> 7  MB/10sec >>>> 8  MB/10sec >>>> 9  MB/10sec >>>> >>>> >>> >>> And even less memleak with rx-usecs set to 32 >>> ifc='enp2s0f0 enp2s0f1 enp2s0f2 enp2s0f3 enp3s0f0 enp3s0f1 enp3s0f2 >>> enp3s0f3' >>> for i in $ifc >>>         do >>>         ethtool -C $i adaptive-rx off adaptive-tx off rx-usecs 32 >>> tx-usecs 512 >>>         ethtool -K $i gro off >>>         ethtool -K $i tso on >>> >>>         done >>> >>> >>> MEMLEAK - about 0-2MB for each 10 seconds >>> 0  MB/10sec >>> 1  MB/10sec >>> 0  MB/10sec >>> 2  MB/10sec >>> 1  MB/10sec >>> >>> >>> >> >> >> So best settings - to have as less leak as possible for now (rx-usecs >> set to 16): >> ifc='enp2s0f0 enp2s0f1 enp2s0f2 enp2s0f3 enp3s0f0 enp3s0f1 enp3s0f2 >> enp3s0f3' >> for i in $ifc >>         do >>         ethtool -C $i adaptive-rx off adaptive-tx off rx-usecs 16 >> tx-usecs 768 >>         ethtool -K $i gro on >>         ethtool -K $i tso on >> >>         done >> >> >> MEMLEAK: (0-1MB/10seconds) >> 0  MB/10sec >> 0  MB/10sec >> 0  MB/10sec >> 1  MB/10sec >> 1  MB/10sec >> -1  MB/10sec >> 1  MB/10sec >> 1  MB/10sec >> 0  MB/10sec >> >> (there are some memory recycles - so this is good :) ) >> >> >> >> Compared to(rx-usecs 512): >> >> ifc='enp2s0f0 enp2s0f1 enp2s0f2 enp2s0f3 enp3s0f0 enp3s0f1 enp3s0f2 >> enp3s0f3' >> for i in $ifc >>         do >>         ethtool -C $i adaptive-rx off adaptive-tx off rx-usecs 512 >> tx-usecs 128 >>         ethtool -K $i gro on >>         ethtool -K $i tso on >> >>         done >> >> Server is leaking about 4-6MB per each 10 seconds >> MEMLEAK: >> 5  MB/10sec >> 6  MB/10sec >> 4  MB/10sec >> 4  MB/10sec >> >> > > And  graph where all changes for rx-usecs was done over some time: > https://ibb.co/nrRfbR > > > > > Cant eliminate the problem with settings - memleak is bigger or less visible with rx-usecs set to low values - but then have 100% cpu load - cant have rx-usecs set to 16 Cant find also other host with same cards or that are using i40e driver for tests with bisecting So will just replace to mellanox :) From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?unknown-8bit?q?Pawe=C5=82?= Staszewski Date: Wed, 18 Oct 2017 17:44:33 +0200 Subject: [Intel-wired-lan] Linux 4.12+ memory leak on router with i40e NICs In-Reply-To: References: <1507121766.30720.4.camel@cohaesio.com> <1507180753.20182.8.camel@cohaesio.com> <227d17ae-b040-07d0-3c57-e9acd1a3b5b4@itcare.pl> <3d783736-a474-d9e3-2de2-e35c765f8249@itcare.pl> <39696136-2a4a-9c6c-3a63-4485ed2a1bf3@itcare.pl> <310ce203-0d65-bdf4-d9e4-897a349b3277@itcare.pl> <1704eb26-c4c5-b196-ca7a-5265e92ae4e6@itcare.pl> <7fd828d7-c586-2c32-3ba6-e0575bf9958c@itcare.pl> <99eba19f-327e-e01f-4f4a-87540b176e40@itcare.pl> Message-ID: <748b6d9d-4a3f-4eaa-ad24-27060c2e2642@itcare.pl> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: intel-wired-lan@osuosl.org List-ID: W dniu 2017-10-17 o?16:08, Pawe? Staszewski pisze: > > > W dniu 2017-10-17 o?13:52, Pawe? Staszewski pisze: >> >> >> W dniu 2017-10-17 o?13:05, Pawe? Staszewski pisze: >>> >>> >>> W dniu 2017-10-17 o?12:59, Pawe? Staszewski pisze: >>>> >>>> >>>> W dniu 2017-10-17 o?12:51, Pawe? Staszewski pisze: >>>>> >>>>> >>>>> W dniu 2017-10-17 o?12:20, Pawe? Staszewski pisze: >>>>>> >>>>>> >>>>>> W dniu 2017-10-17 o?11:48, Pawe? Staszewski pisze: >>>>>>> >>>>>>> >>>>>>> W dniu 2017-10-17 o?02:44, Pawe? Staszewski pisze: >>>>>>>> >>>>>>>> >>>>>>>> W dniu 2017-10-17 o?01:56, Alexander Duyck pisze: >>>>>>>>> On Mon, Oct 16, 2017 at 4:34 PM, Pawe? Staszewski >>>>>>>>> wrote: >>>>>>>>>> >>>>>>>>>> W dniu 2017-10-16 o 18:26, Pawe? Staszewski pisze: >>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> W dniu 2017-10-16 o 13:20, Pavlos Parissis pisze: >>>>>>>>>>>> On 15/10/2017 02:58 ??, Alexander Duyck wrote: >>>>>>>>>>>>> Hi Pawel, >>>>>>>>>>>>> >>>>>>>>>>>>> To clarify is that Dave Miller's tree or Linus's that you >>>>>>>>>>>>> are talking >>>>>>>>>>>>> about? If it is Dave's tree how long ago was it you pulled >>>>>>>>>>>>> it since I >>>>>>>>>>>>> think the fix was just pushed by Jeff Kirsher a few days ago. >>>>>>>>>>>>> >>>>>>>>>>>>> The issue should be fixed in the following commit: >>>>>>>>>>>>> >>>>>>>>>>>>> https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/drivers/net/ethernet/intel/i40e/i40e_txrx.c?id=2b9478ffc550f17c6cd8c69057234e91150f5972 >>>>>>>>>>>>> >>>>>>>>>>>>> >>>>>>>>>>>> Do you know when it is going to be available on net-next >>>>>>>>>>>> and linux-stable >>>>>>>>>>>> repos? >>>>>>>>>>>> >>>>>>>>>>>> Cheers, >>>>>>>>>>>> Pavlos >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>> I will make some tests today night with "net" git tree where >>>>>>>>>>> this patch is >>>>>>>>>>> included. >>>>>>>>>>> Starting from 0:00 CET >>>>>>>>>>> :) >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>> Upgraded and looks like problem is not solved with that patch >>>>>>>>>> Currently running system with >>>>>>>>>> https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/ >>>>>>>>>> kernel >>>>>>>>>> >>>>>>>>>> Still about 0.5GB of memory is leaking somewhere >>>>>>>>>> >>>>>>>>>> Also can confirm that the latest kernel where memory is not >>>>>>>>>> leaking (with >>>>>>>>>> use i40e driver intel 710 cards) is 4.11.12 >>>>>>>>>> With kernel 4.11.12 - after hour no change in memory usage. >>>>>>>>>> >>>>>>>>>> also checked that with ixgbe instead of i40e with same >>>>>>>>>> net.git kernel there >>>>>>>>>> is no memleak - after hour same memory usage - so for 100% >>>>>>>>>> this is i40e >>>>>>>>>> driver problem. >>>>>>>>> So how long was the run to get the .5GB of memory leaking? >>>>>>>> 1 hour >>>>>>>> >>>>>>>>> >>>>>>>>> Also is there any chance of you being able to bisect to determine >>>>>>>>> where the memory leak was introduced since as you pointed out it >>>>>>>>> didn't exist in 4.11.12 so odds are it was introduced somewhere >>>>>>>>> between 4.11 and the latest kernel release. >>>>>>>> Can be hard cause currently need to back to 4.11.12 - this is >>>>>>>> production host/router >>>>>>>> Will try to find some free/test router for tests/bicects with >>>>>>>> i40e driver (intel 710 cards) >>>>>>>> >>>>>>>>> >>>>>>>>> Thanks. >>>>>>>>> >>>>>>>>> - Alex >>>>>>>>> >>>>>>>> >>>>>>>> >>>>>>> Also forgoto to add errors for i40e when driver initialize: >>>>>>> [?? 15.760569] i40e 0000:02:00.1: Error I40E_AQ_RC_ENOSPC adding >>>>>>> RX filters on PF, promiscuous mode forced on >>>>>>> [?? 16.365587] i40e 0000:03:00.3: Error I40E_AQ_RC_ENOSPC adding >>>>>>> RX filters on PF, promiscuous mode forced on >>>>>>> [?? 16.367686] i40e 0000:02:00.2: Error I40E_AQ_RC_ENOSPC adding >>>>>>> RX filters on PF, promiscuous mode forced on >>>>>>> [?? 16.368816] i40e 0000:03:00.0: Error I40E_AQ_RC_ENOSPC adding >>>>>>> RX filters on PF, promiscuous mode forced on >>>>>>> [?? 16.369877] i40e 0000:03:00.2: Error I40E_AQ_RC_ENOSPC adding >>>>>>> RX filters on PF, promiscuous mode forced on >>>>>>> [?? 16.370941] i40e 0000:02:00.3: Error I40E_AQ_RC_ENOSPC adding >>>>>>> RX filters on PF, promiscuous mode forced on >>>>>>> [?? 16.372005] i40e 0000:02:00.0: Error I40E_AQ_RC_ENOSPC adding >>>>>>> RX filters on PF, promiscuous mode forced on >>>>>>> [?? 16.373029] i40e 0000:03:00.1: Error I40E_AQ_RC_ENOSPC adding >>>>>>> RX filters on PF, promiscuous mode forced on >>>>>>> >>>>>>> some params that are set for this nic's >>>>>>> ??????? ip link set up dev $i >>>>>>> ??????? ethtool -A $i autoneg off rx off tx off >>>>>>> ??????? ethtool -G $i rx 1024 tx 2048 >>>>>>> ??????? ip link set $i txqueuelen 1000 >>>>>>> ??????? ethtool -C $i adaptive-rx off adaptive-tx off rx-usecs >>>>>>> 512 tx-usecs 128 >>>>>>> ??????? ethtool -L $i combined 6 >>>>>>> ??????? #ethtool -N $i rx-flow-hash udp4 sdfn >>>>>>> ??????? ethtool -K $i ntuple on >>>>>>> ??????? ethtool -K $i gro off >>>>>>> ??????? ethtool -K $i tso off >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>> Also after TSO/GRO on there is memory usage change - and leaking >>>>>> faster >>>>>> Below image from memory usage before change with TSO/GRO OFF and >>>>>> after enabling TSO/GRO >>>>>> >>>>>> https://ibb.co/dTqBY6 >>>>>> >>>>>> >>>>>> Thanks >>>>>> Pawel >>>>>> >>>>>> >>>>>> >>>>> With settings like this: >>>>> ifc='enp2s0f0 enp2s0f1 enp2s0f2 enp2s0f3 enp3s0f0 enp3s0f1 >>>>> enp3s0f2 enp3s0f3' >>>>> for i in $ifc >>>>> ??????? do >>>>> ??????? ethtool -C $i adaptive-rx off adaptive-tx off rx-usecs 512 >>>>> tx-usecs 128 >>>>> ??????? ethtool -K $i gro on >>>>> ??????? ethtool -K $i tso on >>>>> >>>>> ??????? done >>>>> >>>>> Server is leaking about 4-6MB per each 10 seconds >>>>> MEMLEAK: >>>>> 5? MB/10sec >>>>> 6? MB/10sec >>>>> 4? MB/10sec >>>>> 4? MB/10sec >>>>> >>>>> >>>>> Other settings TSO/GRO off >>>>> ifc='enp2s0f0 enp2s0f1 enp2s0f2 enp2s0f3 enp3s0f0 enp3s0f1 >>>>> enp3s0f2 enp3s0f3' >>>>> for i in $ifc >>>>> ??????? do >>>>> ??????? ethtool -C $i adaptive-rx off adaptive-tx off rx-usecs 512 >>>>> tx-usecs 128 >>>>> ??????? ethtool -K $i gro off >>>>> ??????? ethtool -K $i tso off >>>>> >>>>> ??????? done >>>>> >>>>> Same leak about 5MB per 10 seconds >>>>> MEMLEAK: >>>>> 5? MB/10sec >>>>> 5? MB/10sec >>>>> 5? MB/10sec >>>>> >>>>> >>>>> Other settings rx-usecs change from 512 to 1024: >>>>> ifc='enp2s0f0 enp2s0f1 enp2s0f2 enp2s0f3 enp3s0f0 enp3s0f1 >>>>> enp3s0f2 enp3s0f3' >>>>> for i in $ifc >>>>> ??????? do >>>>> ??????? ethtool -C $i adaptive-rx off adaptive-tx off rx-usecs >>>>> 1024 tx-usecs 128 >>>>> ??????? ethtool -K $i gro off >>>>> ??????? ethtool -K $i tso off >>>>> >>>>> ??????? done >>>>> >>>>> MEMLEAK: >>>>> 4? MB/10sec >>>>> 3? MB/10sec >>>>> 4? MB/10sec >>>>> 4? MB/10sec >>>>> >>>>> >>>>> So memleak have something to do with rx-usecs (less interrupts but >>>>> bigger latency for traffic) >>>>> >>>>> >>>>> But also enabling TSO/GRO making leak about 1MB bigger for each 10 >>>>> seconds >>>>> >>>>> >>>>> >>>> So far best config is: >>>> ifc='enp2s0f0 enp2s0f1 enp2s0f2 enp2s0f3 enp3s0f0 enp3s0f1 enp3s0f2 >>>> enp3s0f3' >>>> for i in $ifc >>>> ??????? do >>>> ??????? ethtool -C $i adaptive-rx off adaptive-tx off rx-usecs 64 >>>> tx-usecs 512 >>>> ??????? ethtool -K $i gro off >>>> ??????? ethtool -K $i tso on >>>> >>>> ??????? done >>>> >>>> MEMLEAK - about 2MB/10secs >>>> 2? MB/10sec >>>> 2? MB/10sec >>>> 2? MB/10sec >>>> >>>> >>>> With - rx-usecs set to 256 (about 7-9MB/10secs memleak) >>>> ifc='enp2s0f0 enp2s0f1 enp2s0f2 enp2s0f3 enp3s0f0 enp3s0f1 enp3s0f2 >>>> enp3s0f3' >>>> for i in $ifc >>>> ??????? do >>>> ??????? ethtool -C $i adaptive-rx off adaptive-tx off rx-usecs 256 >>>> tx-usecs 512 >>>> ??????? ethtool -K $i gro off >>>> ??????? ethtool -K $i tso on >>>> >>>> ??????? done >>>> >>>> MEMLEAK: >>>> 7? MB/10sec >>>> 7? MB/10sec >>>> 8? MB/10sec >>>> 9? MB/10sec >>>> >>>> >>> >>> And even less memleak with rx-usecs set to 32 >>> ifc='enp2s0f0 enp2s0f1 enp2s0f2 enp2s0f3 enp3s0f0 enp3s0f1 enp3s0f2 >>> enp3s0f3' >>> for i in $ifc >>> ??????? do >>> ??????? ethtool -C $i adaptive-rx off adaptive-tx off rx-usecs 32 >>> tx-usecs 512 >>> ??????? ethtool -K $i gro off >>> ??????? ethtool -K $i tso on >>> >>> ??????? done >>> >>> >>> MEMLEAK - about 0-2MB for each 10 seconds >>> 0? MB/10sec >>> 1? MB/10sec >>> 0? MB/10sec >>> 2? MB/10sec >>> 1? MB/10sec >>> >>> >>> >> >> >> So best settings - to have as less leak as possible for now (rx-usecs >> set to 16): >> ifc='enp2s0f0 enp2s0f1 enp2s0f2 enp2s0f3 enp3s0f0 enp3s0f1 enp3s0f2 >> enp3s0f3' >> for i in $ifc >> ??????? do >> ??????? ethtool -C $i adaptive-rx off adaptive-tx off rx-usecs 16 >> tx-usecs 768 >> ??????? ethtool -K $i gro on >> ??????? ethtool -K $i tso on >> >> ??????? done >> >> >> MEMLEAK: (0-1MB/10seconds) >> 0? MB/10sec >> 0? MB/10sec >> 0? MB/10sec >> 1? MB/10sec >> 1? MB/10sec >> -1? MB/10sec >> 1? MB/10sec >> 1? MB/10sec >> 0? MB/10sec >> >> (there are some memory recycles - so this is good :) ) >> >> >> >> Compared to(rx-usecs 512): >> >> ifc='enp2s0f0 enp2s0f1 enp2s0f2 enp2s0f3 enp3s0f0 enp3s0f1 enp3s0f2 >> enp3s0f3' >> for i in $ifc >> ??????? do >> ??????? ethtool -C $i adaptive-rx off adaptive-tx off rx-usecs 512 >> tx-usecs 128 >> ??????? ethtool -K $i gro on >> ??????? ethtool -K $i tso on >> >> ??????? done >> >> Server is leaking about 4-6MB per each 10 seconds >> MEMLEAK: >> 5? MB/10sec >> 6? MB/10sec >> 4? MB/10sec >> 4? MB/10sec >> >> > > And? graph where all changes for rx-usecs was done over some time: > https://ibb.co/nrRfbR > > > > > Cant eliminate the problem with settings - memleak is bigger or less visible with rx-usecs set to low values - but then have 100% cpu load - cant have rx-usecs set to 16 Cant find also other host with same cards or that are using i40e driver for tests with bisecting So will just replace to mellanox :)