"dev" <dev-boun...@openvswitch.org> wrote on 06/14/2016 08:58:33 PM:
> From: Daniele Di Proietto <diproiet...@ovn.org> > To: Nirapada Ghosh/San Jose/IBM@IBMUS > Cc: "dev@openvswitch.org" <dev@openvswitch.org> > Date: 06/14/2016 08:59 PM > Subject: Re: [ovs-dev] [PATCH V5] Function tracer to trace all function calls > Sent by: "dev" <dev-boun...@openvswitch.org> > > Hi Nirapada, > > When optimizing for the DPDK datapath we have a very similar problem and, > usually, running a simple profiler like perf ( > https://perf.wiki.kernel.org/index.php/Main_Page) is enough to highlight > the bottlenecks in terms of CPU usage. > > Have you tried perf? Does this infrastructure provide advantages over > sample profiling? I'm not saying that one is better than the other, I'm > just curious! > > Thanks, > > Daniele Daniele- Nirapada's patch set is driven by the requirement to extract automated profiling under scale while using the same bytes that are to be deployed for operation. This pretty much precludes the use of any external profiler. Ryan _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
