Deadline tasks are not allowed to set smp affinity.
Signed-off-by: Daniel Wagner <daniel.wagner@xxxxxxxxxxxx>
---
Hi Clark,
I missed that one because I tested it only on a UP. Sorry about that.
cheers,
daniel
src/pi_tests/pi_stress.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/src/pi_tests/pi_stress.c b/src/pi_tests/pi_stress.c
index cf55712..aaa36c3 100644
--- a/src/pi_tests/pi_stress.c
+++ b/src/pi_tests/pi_stress.c
@@ -882,8 +882,21 @@ void *high_priority(void *arg)
pthread_barrier_t *loop_barr = &p->loop_barr;
pthread_mutex_t *loop_mtx = &p->loop_mtx;
int *loop = &p->loop;
+ cpu_set_t cpu_mask;
+ int i;
if (high_sa.sched_policy == SCHED_DEADLINE) {
+ CPU_ZERO(&cpu_mask);
+ for (i = 0; i < num_processors; i++)
+ CPU_SET(i, &cpu_mask);
+ status = sched_setaffinity(0, sizeof(cpu_set_t), &cpu_mask);
+ if (status < 0) {
+ pi_error
+ ("high_priority[%d]: set cpu affinity*dl): %x\n",
+ p->id, status);
+ return NULL;
+ }
+
status = sched_setattr(gettid(), &high_sa, 0);
if (status < 0) {
pi_error
--
2.1.0
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