sched_trace: add sched_trace_weight_error()

Export the accuracy of the error prediction to user space.

1 files changed, 11 insertions, 0 deletions

diff --git a/kernel/sched_trace.c b/kernel/sched_trace.c
index f69429db7d..bbaf26ba10 100644
--- a/kernel/sched_trace.c
+++ b/kernel/sched_trace.c
@@ -733,4 +733,15 @@ void sched_trace_service_level_change(struct task_struct *t)
         put_trace(rec);
 }
 
+void sched_trace_weight_error(struct task_struct* t, fp_t actual)
+{
+        weight_error_record_t rec;
+        header(rec, ST_WEIGHT_ERROR);
+        rec.task = t->pid;
+        rec.actual   = actual;
+        rec.estimate = get_est_weight(t);
+        put_trace(rec);
+}
+
+
 #endif