On Mon, Jan 9, 2017 at 7:35 AM, Balakrishna Garapati
<balakrishna.garap...@linaro.org> wrote:
> This will resolve the test in ci when using cgroups.
> odp_hello app fails to set cpu affinity to zero all ways
> when cgroup doesn't include that cpu in the set.
>
> Signed-off-by: Balakrishna Garapati <balakrishna.garap...@linaro.org>
Reviewed-by: Bill Fischofer <bill.fischo...@linaro.org>
> ---
> example/hello/odp_hello.c | 19 ++++++++++++++++---
> 1 file changed, 16 insertions(+), 3 deletions(-)
>
> diff --git a/example/hello/odp_hello.c b/example/hello/odp_hello.c
> index 6d114ee..59a31b2 100644
> --- a/example/hello/odp_hello.c
> +++ b/example/hello/odp_hello.c
> @@ -60,16 +60,29 @@ int main(int argc, char *argv[])
> options_t opt;
> pid_t pid;
> cpu_set_t cpu_set;
> - int i;
> + int i, ret, first_cpu = 0, cpu;
> +
> + pid = getpid();
> + ret = sched_getaffinity(pid, sizeof(cpu_set_t), &cpu_set);
> + if (ret < 0) {
> + printf("get CPU affinity failed.\n");
> + return -1;
> + }
> +
> + for (cpu = 0; cpu < CPU_SETSIZE; cpu++) {
> + if (CPU_ISSET(cpu, &cpu_set)) {
> + first_cpu = cpu;
> + break;
> + }
> + }
>
> memset(&opt, 0, sizeof(opt));
> - opt.cpu = 0;
> + opt.cpu = first_cpu;
> opt.num = 1;
>
> if (parse_args(argc, argv, &opt))
> return -1;
>
> - pid = getpid();
> CPU_ZERO(&cpu_set);
> CPU_SET(opt.cpu, &cpu_set);
>
> --
> 1.9.1
>
