#define LCONF_FLAG_TX_DISTR_ACTIVE 0x00000004
#define LCONF_FLAG_RX_BW_ACTIVE 0x00000008
#define LCONF_FLAG_TX_BW_ACTIVE 0x00000010
+#define LCONF_FLAG_SCHED_RR 0x00000020
struct lcore_cfg {
/* All tasks running at the moment. This is empty when the core is stopped. */
return parse_int(&targ->byte_offset, pkey);
}
+ if (STR_EQ(str, "realtime scheduling")) {
+ return parse_flag(&lconf->flags, LCONF_FLAG_SCHED_RR, pkey);
+ }
if (STR_EQ(str, "name")) {
return parse_str(lconf->name, pkey, sizeof(lconf->name));
}
// limitations under the License.
*/
+#include <pthread.h>
#include <rte_cycles.h>
#include <rte_table_hash.h>
return lconf->ctrl_timeout;
}
+static void set_thread_policy(int policy)
+{
+ struct sched_param p;
+ int ret, old_policy, old_priority;
+
+ memset(&p, 0, sizeof(p));
+ ret = pthread_getschedparam(pthread_self(), &old_policy, &p);
+ if (ret) {
+ plog_err("Failed getting thread policy: %d\n", ret);
+ return;
+ }
+ old_priority = p.sched_priority;
+ p.sched_priority = sched_get_priority_max(policy);
+ ret = pthread_setschedparam(pthread_self(), policy, &p);
+ if (ret) {
+ plog_err("Failed setting thread priority: %d", ret);
+ } else
+ plog_info("Thread policy/priority changed from %d/%d to %d/%d\n", old_policy, old_priority, policy, p.sched_priority);
+}
+
int thread_generic(struct lcore_cfg *lconf)
{
struct task_base *tasks[MAX_TASKS_PER_CORE];
};
uint8_t n_tasks_run = lconf->n_tasks_run;
+ if (lconf->flags & LCONF_FLAG_SCHED_RR)
+ set_thread_policy(SCHED_RR);
+
if (lconf->period_func) {
tsc_tasks[2].tsc = cur_tsc + lconf->period_timeout;
tsc_tasks[2].tsc_task = tsc_period;