From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Monjalon Subject: Re: [PATCH] eal/ppc64: revert implement arch-specific TSC freq query Date: Wed, 07 Feb 2018 08:26:04 +0100 Message-ID: <7852603.J7xFuoqAEp@xps> References: <3728847.cnur1V9eyL@xps> <000901d39fe1$fcdfcde0$f69f69a0$@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Cc: 'Gowrishankar' , dev@dpdk.org To: Chao Zhu Return-path: Received: from out2-smtp.messagingengine.com (out2-smtp.messagingengine.com [66.111.4.26]) by dpdk.org (Postfix) with ESMTP id 065371B796 for ; Wed, 7 Feb 2018 08:26:09 +0100 (CET) In-Reply-To: <000901d39fe1$fcdfcde0$f69f69a0$@linux.vnet.ibm.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 07/02/2018 08:05, Chao Zhu: > The previous patch has some misunderstanding of the the TSC frequency > counting. > I support this. Chao, it is very late in the release cycle. Do you want to take the risk of applying this patch in 18.02-rc4? If you discover a bug in this patch next week, it will be too late for fixing it in 18.02. > > -----Original Message----- > > From: Thomas Monjalon [mailto:thomas@monjalon.net] > > Sent: 2018=E5=B9=B42=E6=9C=881=E6=97=A5 8:30 > > To: Gowrishankar ; Chao Zhu > > > > Cc: dev@dpdk.org > > Subject: Re: [dpdk-dev] [PATCH] eal/ppc64: revert implement arch-specif= ic > TSC > > freq query > >=20 > > 30/01/2018 09:59, Gowrishankar: > > > From: Gowrishankar Muthukrishnan > > > > > > This reverts commit 15692396fd68932b6a81f00f12d4b0da12baa7d3 > > > (eal/ppc64: implement arch-specific TSC freq query). We intended to > > > derive pkt/sec estimation with cpu clock frequency. As timebase > > > register serves the timer purpose, we need to stick with it for > > > calculating pkt/sec, hence reverting the change. > > > > > > Fixes: 15692396fd (eal/ppc64: implement arch-specific TSC freq query) > >=20 > > It is not clear what it is fixing. > >=20 > > Chao, please review. >=20 >=20