1 files changed, 8 insertions, 0 deletions

diff --git a/include/litmus/sched_mc.h b/include/litmus/sched_mc.h
index 740cc11be5d7..8cdec04c64df 100644
--- a/include/litmus/sched_mc.h
+++ b/include/litmus/sched_mc.h
@@ -31,6 +31,14 @@ struct mc_data {
         struct mc_job mc_job;
 };
 
+/* Leave a CPU free for tracing stuff */
+#if CONFIG_FTRACE_CPU != NO_CPU
+extern struct cpumask rt_mask;
+#define for_each_rt_cpu(cpu) for_each_cpu((cpu), &rt_mask)
+#else
+#define for_each_rt_cpu(cpu) for_each_online_cpu(cpu)
+#endif
+
 #define tsk_mc_data(t)   (tsk_rt(t)->mc_data)
 #define tsk_mc_crit(t)   (tsk_mc_data(t)->mc_task.crit)
 #define is_ghost(t)      (tsk_mc_data(t)->mc_job.is_ghost)