On Thu, Dec 08, 2016 at 07:19:41PM +0100, Thomas Monjalon wrote: > 2016-12-02 17:48, Jianfeng Tan: > > This patch uses pthread_getaffinity_np() to narrow down used > > cores when none of below options is specified: > > * coremask (-c) > > * corelist (-l) > > * and coremap (--lcores) > > > > The purpose of this patch is to leave out these core related options > > when DPDK applications are deployed under container env, so that > > users do not need decide the core related parameters when developing > > applications. Instead, when applications are deployed in containers, > > use cpu-set to constrain which cores can be used inside this container > > instance. And DPDK application inside containers just rely on this > > auto detect mechanism to start polling threads. > > > > Note: previously, some users are using isolated CPUs, which could > > be excluded by default. Please add commands like taskset to use > > those cores. > > > > Test example: > > $ taskset 0xc0000 ./examples/helloworld/build/helloworld -m 1024 > > Bruce, what do you think of this version? > It requires taskset only if -c, -l and --lcores are not used. > I'm fine with that since it maintains backward compatibilty for those options.
Acked-by: Bruce Richardson <bruce.richard...@intel.com>
