The previous patch has some misunderstanding of the the TSC frequency counting. I support this.
> -----Original Message----- > From: Thomas Monjalon [mailto:tho...@monjalon.net] > Sent: 2018年2月1日 8:30 > To: Gowrishankar <gowrishanka...@linux.vnet.ibm.com>; Chao Zhu > <chao...@linux.vnet.ibm.com> > Cc: dev@dpdk.org > Subject: Re: [dpdk-dev] [PATCH] eal/ppc64: revert implement arch-specific TSC > freq query > > 30/01/2018 09:59, Gowrishankar: > > From: Gowrishankar Muthukrishnan <gowrishanka...@linux.vnet.ibm.com> > > > > 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) > > It is not clear what it is fixing. > > Chao, please review.