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. > static int master_lcore_parsed; > static int mem_parsed; > +static int core_specified; I think it's better to keep the word "parsed" as others.
