diff --git a/hw/sparc64/sun4u.c b/hw/sparc64/sun4u.c
index 1456c3370dc0d56fe6ddd6d655403aafc999432a..5d802bdfded9839887ecaafaf7eb8695f6e97b02 100644
--- a/hw/sparc64/sun4u.c
+++ b/hw/sparc64/sun4u.c
@@ -47,17 +47,9 @@
 #include "hw/ide/pci.h"
 #include "hw/loader.h"
 #include "elf.h"
+#include "trace.h"
 #include "qemu/cutils.h"
 
-//#define DEBUG_EBUS
-
-#ifdef DEBUG_EBUS
-#define EBUS_DPRINTF(fmt, ...)                                  \
-    do { printf("EBUS: " fmt , ## __VA_ARGS__); } while (0)
-#else
-#define EBUS_DPRINTF(fmt, ...)
-#endif
-
 #define KERNEL_LOAD_ADDR     0x00404000
 #define CMDLINE_ADDR         0x003ff000
 #define PROM_SIZE_MAX        (4 * 1024 * 1024)
@@ -218,7 +210,7 @@ static void ebus_isa_irq_handler(void *opaque, int n, int level)
     qemu_irq irq = s->isa_bus_irqs[n];
 
     /* Pass ISA bus IRQs onto their gpio equivalent */
-    EBUS_DPRINTF("Set ISA IRQ %d level %d\n", n, level);
+    trace_ebus_isa_irq_handler(n, level);
     if (irq) {
         qemu_set_irq(irq, level);
     }
diff --git a/hw/sparc64/trace-events b/hw/sparc64/trace-events
index 9284b1fbad8c719b56de023ad0fd999c62a53001..04d80b7f70332cf7ced8d87682857c9885407aaa 100644
--- a/hw/sparc64/trace-events
+++ b/hw/sparc64/trace-events
@@ -1 +1,4 @@
 # See docs/devel/tracing.txt for syntax documentation.
+
+# hw/sparc64/sun4u.c
+ebus_isa_irq_handler(int n, int level) "Set ISA IRQ %d level %d"