diff --git a/hw/ppc/spapr_rtas.c b/hw/ppc/spapr_rtas.c
index 27b5ad4..11cc3b9 100644
--- a/hw/ppc/spapr_rtas.c
+++ b/hw/ppc/spapr_rtas.c
@@ -44,16 +44,7 @@
 #include <libfdt.h>
 #include "hw/ppc/spapr_drc.h"
 #include "qemu/cutils.h"
-
-/* #define DEBUG_SPAPR */
-
-#ifdef DEBUG_SPAPR
-#define DPRINTF(fmt, ...) \
-    do { fprintf(stderr, fmt, ## __VA_ARGS__); } while (0)
-#else
-#define DPRINTF(fmt, ...) \
-    do { } while (0)
-#endif
+#include "trace.h"
 
 static sPAPRConfigureConnectorState *spapr_ccs_find(sPAPRMachineState *spapr,
                                                     uint32_t drc_index)
@@ -435,8 +426,7 @@ static void rtas_set_indicator(PowerPCCPU *cpu, sPAPRMachineState *spapr,
     /* if this is a DR sensor we can assume sensor_index == drc_index */
     drc = spapr_dr_connector_by_index(sensor_index);
     if (!drc) {
-        DPRINTF("rtas_set_indicator: invalid sensor/DRC index: %xh\n",
-                sensor_index);
+        trace_spapr_rtas_set_indicator_invalid(sensor_index);
         ret = RTAS_OUT_PARAM_ERROR;
         goto out;
     }
@@ -475,8 +465,7 @@ out:
 
 out_unimplemented:
     /* currently only DR-related sensors are implemented */
-    DPRINTF("rtas_set_indicator: sensor/indicator not implemented: %d\n",
-            sensor_type);
+    trace_spapr_rtas_set_indicator_not_supported(sensor_index, sensor_type);
     rtas_st(rets, 0, RTAS_OUT_NOT_SUPPORTED);
 }
 
@@ -502,16 +491,15 @@ static void rtas_get_sensor_state(PowerPCCPU *cpu, sPAPRMachineState *spapr,
 
     if (sensor_type != RTAS_SENSOR_TYPE_ENTITY_SENSE) {
         /* currently only DR-related sensors are implemented */
-        DPRINTF("rtas_get_sensor_state: sensor/indicator not implemented: %d\n",
-                sensor_type);
+        trace_spapr_rtas_get_sensor_state_not_supported(sensor_index,
+                                                        sensor_type);
         ret = RTAS_OUT_NOT_SUPPORTED;
         goto out;
     }
 
     drc = spapr_dr_connector_by_index(sensor_index);
     if (!drc) {
-        DPRINTF("rtas_get_sensor_state: invalid sensor/DRC index: %xh\n",
-                sensor_index);
+        trace_spapr_rtas_get_sensor_state_invalid(sensor_index);
         ret = RTAS_OUT_PARAM_ERROR;
         goto out;
     }
@@ -568,8 +556,7 @@ static void rtas_ibm_configure_connector(PowerPCCPU *cpu,
     drc_index = rtas_ld(wa_addr, 0);
     drc = spapr_dr_connector_by_index(drc_index);
     if (!drc) {
-        DPRINTF("rtas_ibm_configure_connector: invalid DRC index: %xh\n",
-                drc_index);
+        trace_spapr_rtas_ibm_configure_connector_invalid(drc_index);
         rc = RTAS_OUT_PARAM_ERROR;
         goto out;
     }
@@ -577,8 +564,7 @@ static void rtas_ibm_configure_connector(PowerPCCPU *cpu,
     drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
     fdt = drck->get_fdt(drc, NULL);
     if (!fdt) {
-        DPRINTF("rtas_ibm_configure_connector: Missing FDT for DRC index: %xh\n",
-                drc_index);
+        trace_spapr_rtas_ibm_configure_connector_missing_fdt(drc_index);
         rc = SPAPR_DR_CC_RESPONSE_NOT_CONFIGURABLE;
         goto out;
     }
diff --git a/hw/ppc/trace-events b/hw/ppc/trace-events
index 59caffd..34b5ec3 100644
--- a/hw/ppc/trace-events
+++ b/hw/ppc/trace-events
@@ -56,6 +56,14 @@ spapr_drc_realize_child(uint32_t index, char *childname) "drc: 0x%"PRIx32", chil
 spapr_drc_realize_complete(uint32_t index) "drc: 0x%"PRIx32
 spapr_drc_unrealize(uint32_t index) "drc: 0x%"PRIx32
 
+# hw/ppc/spapr_rtas.c
+spapr_rtas_set_indicator_invalid(uint32_t index) "sensor index: 0x%"PRIx32
+spapr_rtas_set_indicator_not_supported(uint32_t index, uint32_t type) "sensor index: 0x%"PRIx32", type: %"PRIu32
+spapr_rtas_get_sensor_state_not_supported(uint32_t index, uint32_t type) "sensor index: 0x%"PRIx32", type: %"PRIu32
+spapr_rtas_get_sensor_state_invalid(uint32_t index) "sensor index: 0x%"PRIx32
+spapr_rtas_ibm_configure_connector_invalid(uint32_t index) "DRC index: 0x%"PRIx32
+spapr_rtas_ibm_configure_connector_missing_fdt(uint32_t index) "DRC index: 0x%"PRIx32
+
 # hw/ppc/ppc.c
 ppc_tb_adjust(uint64_t offs1, uint64_t offs2, int64_t diff, int64_t seconds) "adjusted from 0x%"PRIx64" to 0x%"PRIx64", diff %"PRId64" (%"PRId64"s)"
 
