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From: Aaron Lu <aaron.lu@intel.com>
To: lkp@lists.01.org
Subject: Re: [sctp] a6c2f79287: netperf.Throughput_Mbps -37.2% regression
Date: Fri, 19 Aug 2016 15:24:20 +0800	[thread overview]
Message-ID: <20160819072420.GA1167@aaronlu.sh.intel.com> (raw)
In-Reply-To: <ad074d65-52bd-7b6f-f0c3-b94abf288c9a@gmail.com>

[-- Attachment #1: Type: text/plain, Size: 809 bytes --]

On Fri, Aug 19, 2016 at 04:19:39AM -0300, Marcelo Ricardo Leitner wrote:
> Hi,
> 
> Em 19-08-2016 02:29, Aaron Lu escreveu:
> ...
> > It doesn't look insane and sctp_wait_for_sndbuf may actually have
> > something to do with a larger sctp_chunk I suppose?
> > 
> > The same perf record doesn't capture any sample for the good commit,
> > which suggests the nerperf process doesn't sleep in sctp_wait_for_sndbuf.
> 
> Ahhh yes! It does, and then it would mean your txbuf is too small for the
> chunk sizes you're using (sctp tests option -m).
> 
> What's your netperf cmdline again please?

netperf -4 -t SCTP_STREAM_MANY -c -C -l 300 -- -m 10K -H 127.0.0.1

Is the 10K used here a problem? If so, can you suggest a proper value
for our netperf performance test? Thanks.

Regards,
Aaron

WARNING: multiple messages have this Message-ID (diff)
From: Aaron Lu <aaron.lu@intel.com>
To: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Cc: Xin Long <lucien.xin@gmail.com>,
	kernel test robot <xiaolong.ye@intel.com>,
	Stephen Rothwell <sfr@canb.auug.org.au>,
	lkp@01.org, "David S. Miller" <davem@davemloft.net>,
	LKML <linux-kernel@vger.kernel.org>,
	"Chen, Tim C" <tim.c.chen@intel.com>,
	Huang Ying <ying.huang@intel.com>
Subject: Re: [LKP] [lkp] [sctp] a6c2f79287: netperf.Throughput_Mbps -37.2% regression
Date: Fri, 19 Aug 2016 15:24:20 +0800	[thread overview]
Message-ID: <20160819072420.GA1167@aaronlu.sh.intel.com> (raw)
In-Reply-To: <ad074d65-52bd-7b6f-f0c3-b94abf288c9a@gmail.com>

On Fri, Aug 19, 2016 at 04:19:39AM -0300, Marcelo Ricardo Leitner wrote:
> Hi,
> 
> Em 19-08-2016 02:29, Aaron Lu escreveu:
> ...
> > It doesn't look insane and sctp_wait_for_sndbuf may actually have
> > something to do with a larger sctp_chunk I suppose?
> > 
> > The same perf record doesn't capture any sample for the good commit,
> > which suggests the nerperf process doesn't sleep in sctp_wait_for_sndbuf.
> 
> Ahhh yes! It does, and then it would mean your txbuf is too small for the
> chunk sizes you're using (sctp tests option -m).
> 
> What's your netperf cmdline again please?

netperf -4 -t SCTP_STREAM_MANY -c -C -l 300 -- -m 10K -H 127.0.0.1

Is the 10K used here a problem? If so, can you suggest a proper value
for our netperf performance test? Thanks.

Regards,
Aaron

  reply	other threads:[~2016-08-19  7:24 UTC|newest]

Thread overview: 72+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-27  1:54 [sctp] a6c2f79287: netperf.Throughput_Mbps -37.2% regression kernel test robot
2016-07-27  1:54 ` [lkp] " kernel test robot
2016-07-28  7:01 ` Xin Long
2016-07-28  7:01   ` [lkp] " Xin Long
2016-08-05  3:31   ` Aaron Lu
2016-08-05  3:31     ` [LKP] [lkp] " Aaron Lu
2016-08-05 11:53     ` Xin Long
2016-08-05 11:53       ` [LKP] [lkp] " Xin Long
2016-08-08  2:10       ` Aaron Lu
2016-08-08  2:10         ` [LKP] [lkp] " Aaron Lu
2016-08-16  2:38         ` Aaron Lu
2016-08-16  2:38           ` [LKP] [lkp] " Aaron Lu
2016-08-16  8:02         ` Xin Long
2016-08-16  8:02           ` [LKP] [lkp] " Xin Long
2016-08-16  8:30           ` Aaron Lu
2016-08-16  8:30             ` [LKP] [lkp] " Aaron Lu
2016-08-16  8:51           ` Aaron Lu
2016-08-16  8:51             ` [LKP] [lkp] " Aaron Lu
2016-08-16  9:56             ` Xin Long
2016-08-16  9:56               ` [LKP] [lkp] " Xin Long
2016-08-17  5:04               ` Aaron Lu
2016-08-17  5:04                 ` [LKP] [lkp] " Aaron Lu
2016-08-17  5:34                 ` Xin Long
2016-08-17  5:34                   ` [LKP] [lkp] " Xin Long
2016-08-17  5:34                 ` Aaron Lu
2016-08-17  5:34                   ` [LKP] [lkp] " Aaron Lu
2016-08-17  5:41                   ` Xin Long
2016-08-17  5:41                     ` [LKP] [lkp] " Xin Long
2016-08-17  6:14                     ` Aaron Lu
2016-08-17  6:14                       ` [LKP] [lkp] " Aaron Lu
2016-08-17  6:37                       ` Aaron Lu
2016-08-17  6:37                         ` [LKP] [lkp] " Aaron Lu
2016-08-17  6:42                         ` Aaron Lu
2016-08-17  6:42                           ` [LKP] [lkp] " Aaron Lu
2016-08-17  7:35                         ` Xin Long
2016-08-17  7:35                           ` [LKP] [lkp] " Xin Long
2016-08-17  7:42                           ` Aaron Lu
2016-08-17  7:42                             ` [LKP] [lkp] " Aaron Lu
2016-08-17  7:53                             ` Aaron Lu
2016-08-17  7:53                               ` [LKP] [lkp] " Aaron Lu
2016-08-17  8:02                             ` Xin Long
2016-08-17  8:02                               ` [LKP] [lkp] " Xin Long
2016-08-17  8:48                               ` Aaron Lu
2016-08-17  8:48                                 ` [LKP] [lkp] " Aaron Lu
2016-08-17  8:58                                 ` Xin Long
2016-08-17  8:58                                   ` [LKP] [lkp] " Xin Long
2016-08-17  9:20                                   ` Aaron Lu
2016-08-17  9:20                                     ` [LKP] [lkp] " Aaron Lu
2016-08-17 18:06                                     ` Xin Long
2016-08-17 18:06                                       ` [LKP] [lkp] " Xin Long
2016-08-18  3:21                                       ` Aaron Lu
2016-08-18  3:21                                         ` [LKP] [lkp] " Aaron Lu
2016-08-18 12:45                                         ` Xin Long
2016-08-18 12:45                                           ` [LKP] [lkp] " Xin Long
2016-08-19  5:29                                           ` Aaron Lu
2016-08-19  5:29                                             ` [LKP] [lkp] " Aaron Lu
2016-08-19  7:19                                             ` Marcelo Ricardo Leitner
2016-08-19  7:19                                               ` [LKP] [lkp] " Marcelo Ricardo Leitner
2016-08-19  7:24                                               ` Aaron Lu [this message]
2016-08-19  7:24                                                 ` Aaron Lu
2016-08-22 21:44                                                 ` Marcelo Ricardo Leitner
2016-08-22 21:44                                                   ` [LKP] [lkp] " Marcelo Ricardo Leitner
2016-08-23  9:19                                                   ` Aaron Lu
2016-08-23  9:19                                                     ` [LKP] [lkp] " Aaron Lu
2016-09-30  7:05                                                   ` Aaron Lu
2016-09-30  7:05                                                     ` [LKP] [lkp] " Aaron Lu
2016-10-03  2:32                                                     ` Xin Long
2016-10-03  2:32                                                       ` [LKP] [lkp] " Xin Long
2016-10-09  7:41                                                       ` Aaron Lu
2016-10-09  7:41                                                         ` [LKP] [lkp] " Aaron Lu
2016-08-16 18:34             ` Xin Long
2016-08-16 18:34               ` [LKP] [lkp] " Xin Long

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