diff --git a/src/sim/debug.hh b/src/sim/debug.hh
--- a/src/sim/debug.hh
+++ b/src/sim/debug.hh
@@ -45,6 +45,13 @@
 void schedBreak(Tick when);
 
 /**
+ * Cause the simulator to execute a breakpoint
+ * relative to the current tick.
+ * @param delta the number of ticks to execute until breaking
+ */
+void schedRelBreak(Tick delta);
+
+/**
  * Cause the simulator to execute a breakpoint when
  * the given kernel function is reached
  * @param funcName the name of the kernel function at which to break
# Node ID f56d5e3e951d5b42bee4c2e0e1a849e475fc5c4f
# Parent  bc07f37641295bfb302950805393872d00ce68ee
diff --git a/src/sim/debug.cc b/src/sim/debug.cc
--- a/src/sim/debug.cc
+++ b/src/sim/debug.cc
@@ -90,6 +90,13 @@
 }
 
 void
+schedRelBreak(Tick delta)
+{
+    new DebugBreakEvent(curTick() + delta);
+    warn("need to stop all queues");
+}
+
+void
 breakAtKernelFunction(const char* funcName)
 {
     System* curSystem = System::systemList[0];