From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.toke.dk ([52.28.52.200]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fqd01-0007Za-Rf for ath10k@lists.infradead.org; Fri, 17 Aug 2018 11:33:03 +0000 From: Toke =?utf-8?Q?H=C3=B8iland-J=C3=B8rgensen?= Subject: RE: [PATCH v2 2/2] ath10k: Set sk_pacing_shift to 6 for 11AC WiFi chips In-Reply-To: <68d91488f58f4a449908fc7eeebb8b34@aptaiexm02f.ap.qualcomm.com> References: <1533724802-30944-1-git-send-email-wgong@codeaurora.org> <1533724802-30944-3-git-send-email-wgong@codeaurora.org> <87sh3pdtpg.fsf@toke.dk> <87mutue4y8.fsf@toke.dk> <87600eecr7.fsf@toke.dk> <68d91488f58f4a449908fc7eeebb8b34@aptaiexm02f.ap.qualcomm.com> Date: Fri, 17 Aug 2018 13:32:50 +0200 Message-ID: <87tvntb53x.fsf@toke.dk> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "ath10k" Errors-To: ath10k-bounces+kvalo=adurom.com@lists.infradead.org To: Wen Gong , Wen Gong , "ath10k@lists.infradead.org" , "johannes@sipsolutions.net" Cc: "linux-wireless@vger.kernel.org" V2VuIEdvbmcgPHdnb25nQHF0aS5xdWFsY29tbS5jb20+IHdyaXRlczoKCj4+IC0tLS0tT3JpZ2lu YWwgTWVzc2FnZS0tLS0tCj4+IEZyb206IFRva2UgSMO4aWxhbmQtSsO4cmdlbnNlbiA8dG9rZUB0 b2tlLmRrPgo+PiBTZW50OiBNb25kYXksIEF1Z3VzdCAxMywgMjAxOCA3OjE4IFBNCj4+IFRvOiBX ZW4gR29uZyA8d2dvbmdAcXRpLnF1YWxjb21tLmNvbT47IFdlbiBHb25nCj4+IDx3Z29uZ0Bjb2Rl YXVyb3JhLm9yZz47IGF0aDEwa0BsaXN0cy5pbmZyYWRlYWQub3JnOwo+PiBqb2hhbm5lc0BzaXBz b2x1dGlvbnMubmV0Cj4+IENjOiBsaW51eC13aXJlbGVzc0B2Z2VyLmtlcm5lbC5vcmcKPj4gU3Vi amVjdDogUkU6IFtQQVRDSCB2MiAyLzJdIGF0aDEwazogU2V0IHNrX3BhY2luZ19zaGlmdCB0byA2 IGZvciAxMUFDIFdpRmkKPj4gY2hpcHMKPj4gCj4+IFdlbiBHb25nIDx3Z29uZ0BxdGkucXVhbGNv bW0uY29tPiB3cml0ZXM6Cj4+IAo+PiA+IEhpIFRva2UsCj4+ID4KPj4gPiBJIGhhdmUgdGVzdGVk IHdpdGggeW91ciBtZXRob2QgZm9yIHNoaWZ0IDYvOC8xMC83IGFsbCB0d2ljZSB0aW1lIGluCj4+ ID4gb3BlbiBhaXIgZW52aXJvbm1lbnQuCj4+IAo+PiBHcmVhdCwgdGhhbmtzIQo+PiAKPj4gPiBT aGlmdCA2Ogo+PiA+IHdnb25nQHdnb25nLUxhdGl0dWRlLUU1NDQwLTE6fi9mbGVudCQgZmxlbnQg LUggMTkyLjE2OC4xLjcgLXQKPj4gPiAic2tfcGFjaW5nX3NoaWZ0NiIgdGNwX251cCAtLXRlc3Qt cGFyYW1ldGVyIHVwbG9hZF9zdHJlYW1zPTEKPj4gCj4+IEp1c3QgdG8gYmUgc3VyZTogWW91IGFy ZSBydW5uaW5nIHRoaXMgb24geW91ciBsYXB0b3A/IEFuZCB0aGF0IGxhcHRvcCBoYXMgdGhlCj4+ IGF0aDEwayBhbmQgdGhlIG1vZGlmaWVkIGtlcm5lbCB5b3UgYXJlIHRlc3Rpbmc/IElzIDE5Mi4x NjguMS43IHRoZSBBUCBvcgo+PiBhbm90aGVyIGRldmljZT8KPiBIaSBUb2tlLAo+IFllcywgSSBy dW4gb24gbXkgbGFwdG9wKERlbGwgTEFUSVRVREUgRTU0NDAgKyBRQ0E2MTc0IFBDSSB3aXJlbGVz cyBjYXJkKSBpbiBvcGVuIGFpciBlbnZpcm9ubWVudCwKPiBLZXJuZWwgaXMgNC4xOC4wLXJjMi13 dC1hdGgrICMyIFNNUCB3aGljaCBpcyBidWlsdCBteXNlbGYuCj4gVGhlIG1hYzgwMjExLmtvL2F0 aDEwayBpcyBidWlsdCB3aXRoIHRoZSAyIHBhdGNoZXMuCj4gMTkyLjE2OC4xLjcgaXMgYW5vdGhl ciBkZXZpY2UoUEMgaW5zdGFsbGVkIHdpdGggNC40LjAtMTE2LWdlbmVyaWMgIzE0MH4xNC4wNC4x LVVidW50dSkKPj4gCj4+IEknZCBsaWtlIHRvIHNlZSB3aGF0IGhhcHBlbnMgd2hlbiB0aGUgbGlu ayBpcyBmdWxseSBzYXR1cmF0ZWQgbXkgbXVsdGlwbGUKPj4gc3RyZWFtcyBhcyB3ZWxsLiBDb3Vs ZCB5b3UgcmVwZWF0IHRoZSB0ZXN0cyB3aXRoIHVwbG9hZF9zdHJlYW1zPTUsIHBsZWFzZT8KPj4g QW5kIGlmIHlvdSBjb3VsZCBzaGFyZSB0aGUgLmZsZW50Lmd6IGZpbGVzICh1cGxvYWQgdGhlbSBz b21ld2hlcmUsIG9yIGVtYWlsCj4+IG1lIG9mZi1saXN0KSwgdGhhdCB3b3VsZCBiZSB1c2VmdWwg YXMgd2VsbCA6KQo+Cj4gVGVzdCByZXN1bHQgd2l0aCB1cGxvYWRfc3RyZWFtcz01OgoKU29ycnkg Zm9yIHRoZSBkZWxheSBpbiBsb29raW5nIGF0IHRoaXMsIEkndmUgYmVlbiB0ZXJyaWJseSBidXN5 IHRoaXMKd2Vlazsgd2lsbCBnZXQgYmFjayB0byBpdCBpbiBtb3JlIGRldGFpbCBuZXh0IHdlZWsu CgpPbmUgcXVlc3Rpb24gZm9yIG5vdzogSW4gdGhlIHJlc3VsdHMgeW91IHF1b3RlIGJlbG93IHRo ZSB0b3RhbAp0aHJvdWdocHV0IGlzIHdheSBsb3dlciB0aGFuIHRoZSB1cCB0byA2MDAgbWJwcyB5 b3UgcXVvdGVkIGluIHRoZSBwYXRjaApkZXNjcmlwdGlvbi4gSG93IGRpZCB5b3UgcnVuIHlvdXIg b3JpZ2luYWwgdGVzdHMgdG8gYWNoaWV2ZSB0aGF0IGhpZ2ggYQp0aHJvdWdocHV0PwoKLVRva2UK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmF0aDEwayBt YWlsaW5nIGxpc3QKYXRoMTBrQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJh ZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9hdGgxMGsK From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.toke.dk ([52.28.52.200]:45895 "EHLO mail.toke.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726436AbeHQOfw (ORCPT ); Fri, 17 Aug 2018 10:35:52 -0400 From: Toke =?utf-8?Q?H=C3=B8iland-J=C3=B8rgensen?= To: Wen Gong , Wen Gong , "ath10k\@lists.infradead.org" , "johannes\@sipsolutions.net" Cc: "linux-wireless\@vger.kernel.org" Subject: RE: [PATCH v2 2/2] ath10k: Set sk_pacing_shift to 6 for 11AC WiFi chips In-Reply-To: <68d91488f58f4a449908fc7eeebb8b34@aptaiexm02f.ap.qualcomm.com> References: <1533724802-30944-1-git-send-email-wgong@codeaurora.org> <1533724802-30944-3-git-send-email-wgong@codeaurora.org> <87sh3pdtpg.fsf@toke.dk> <87mutue4y8.fsf@toke.dk> <87600eecr7.fsf@toke.dk> <68d91488f58f4a449908fc7eeebb8b34@aptaiexm02f.ap.qualcomm.com> Date: Fri, 17 Aug 2018 13:32:50 +0200 Message-ID: <87tvntb53x.fsf@toke.dk> (sfid-20180817_133248_263379_1C92EBBD) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: Wen Gong writes: >> -----Original Message----- >> From: Toke H=C3=B8iland-J=C3=B8rgensen >> Sent: Monday, August 13, 2018 7:18 PM >> To: Wen Gong ; Wen Gong >> ; ath10k@lists.infradead.org; >> johannes@sipsolutions.net >> Cc: linux-wireless@vger.kernel.org >> Subject: RE: [PATCH v2 2/2] ath10k: Set sk_pacing_shift to 6 for 11AC Wi= Fi >> chips >>=20 >> Wen Gong writes: >>=20 >> > Hi Toke, >> > >> > I have tested with your method for shift 6/8/10/7 all twice time in >> > open air environment. >>=20 >> Great, thanks! >>=20 >> > Shift 6: >> > wgong@wgong-Latitude-E5440-1:~/flent$ flent -H 192.168.1.7 -t >> > "sk_pacing_shift6" tcp_nup --test-parameter upload_streams=3D1 >>=20 >> Just to be sure: You are running this on your laptop? And that laptop ha= s the >> ath10k and the modified kernel you are testing? Is 192.168.1.7 the AP or >> another device? > Hi Toke, > Yes, I run on my laptop(Dell LATITUDE E5440 + QCA6174 PCI wireless card) = in open air environment, > Kernel is 4.18.0-rc2-wt-ath+ #2 SMP which is built myself. > The mac80211.ko/ath10k is built with the 2 patches. > 192.168.1.7 is another device(PC installed with 4.4.0-116-generic #140~14= .04.1-Ubuntu) >>=20 >> I'd like to see what happens when the link is fully saturated my multiple >> streams as well. Could you repeat the tests with upload_streams=3D5, ple= ase? >> And if you could share the .flent.gz files (upload them somewhere, or em= ail >> me off-list), that would be useful as well :) > > Test result with upload_streams=3D5: Sorry for the delay in looking at this, I've been terribly busy this week; will get back to it in more detail next week. One question for now: In the results you quote below the total throughput is way lower than the up to 600 mbps you quoted in the patch description. How did you run your original tests to achieve that high a throughput? -Toke