Neat example. Looks good overall, I just have a few questions.
> +#define PROFILE_SERVICE_PER_CORE 8
Any reason not to use 5 here? That would remove a few zeroes from the
profiles[] initializers.
> +static int
> +apply_profile(int profile_id)
> +{
> + uint32_t i;
> + uint32_t s;
> + int ret;
> + struct profile *p = &profiles[profile_id];
> + const uint8_t core_off = 1;
> +
> + for (i = 0; i < p->num_cores; i++) {
> + ret = rte_service_lcore_add(i + core_off);
> + if (ret && ret != -EALREADY)
> + printf("core %d added ret %d\n", i +
> core_off, ret);
I'm wondering if this and the other printfs in this function should be
rte_panics? These seem like fatal errors.
> +
> + ret = rte_service_lcore_start(i + core_off);
> + if (ret && ret != -EALREADY)
> + printf("core %d start ret %d\n", i +
> core_off, ret);
> +
> + for (s = 0; s < NUM_SERVICES; s++) {
> + if (rte_service_map_lcore_set(s, i +
> core_off,
> +
> p->cores[i].mapped_services[s]))
> + rte_panic("failed to
> map lcore to 1\n");
What does '1' refer to here? Perhaps it should be: rte_panic("failed to map
lcore %d to %s\n", i + core_off, services[s].name);
