runtime: reduce softirq budget for latency reasons
#define RUNTIME_STACK_SIZE 128 * KB
#define RUNTIME_GUARD_SIZE 128 * KB
#define RUNTIME_RQ_SIZE 32
-#define RUNTIME_SOFTIRQ_BUDGET 32
+#define RUNTIME_SOFTIRQ_BUDGET 16
#define RUNTIME_MAX_TIMERS 4096
#define RUNTIME_SCHED_POLL_ITERS 4
#define RUNTIME_WATCHDOG_US 50
