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-rw-r--r--include/litmus/gpu_affinity.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/litmus/gpu_affinity.h b/include/litmus/gpu_affinity.h
index d64a15cbf2a5..47da725717b0 100644
--- a/include/litmus/gpu_affinity.h
+++ b/include/litmus/gpu_affinity.h
@@ -31,6 +31,21 @@ static inline lt_t get_gpu_time(struct task_struct* t)
31 31
32static inline lt_t get_gpu_estimate(struct task_struct* t, gpu_migration_dist_t dist) 32static inline lt_t get_gpu_estimate(struct task_struct* t, gpu_migration_dist_t dist)
33{ 33{
34 int i;
35 lt_t val;
36
37 if(dist == MIG_NONE) {
38 dist = MIG_LOCAL;
39 }
40
41 val = t->rt_param.gpu_migration_est[dist].avg;
42 for(i = dist-1; i >= 0; --i) {
43 if(t->rt_param.gpu_migration_est[i].avg > val) {
44 val = t->rt_param.gpu_migration_est[i].avg;
45 }
46 }
47
48#if 0
34// int i; 49// int i;
35// fpbuf_t temp = _fp_to_integer(t->rt_param.gpu_migration_est[dist].est); 50// fpbuf_t temp = _fp_to_integer(t->rt_param.gpu_migration_est[dist].est);
36// lt_t val = (temp >= 0) ? temp : 0; // never allow negative estimates... 51// lt_t val = (temp >= 0) ? temp : 0; // never allow negative estimates...
@@ -43,6 +58,7 @@ static inline lt_t get_gpu_estimate(struct task_struct* t, gpu_migration_dist_t
43// for(i = dist-1; (val == 0) && (i >= MIG_LOCAL); --i) { 58// for(i = dist-1; (val == 0) && (i >= MIG_LOCAL); --i) {
44// val = _fp_to_integer(t->rt_param.gpu_migration_est[i].est); 59// val = _fp_to_integer(t->rt_param.gpu_migration_est[i].est);
45// } 60// }
61#endif
46 62
47 return ((val > 0) ? val : dist+1); 63 return ((val > 0) ? val : dist+1);
48} 64}