[PATCH 5/7] hw/misc/empty_slot: Convert debug printf() to trace event

["Philippe Mathieu-Daudé" <f4bug@amsat.org>]

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 hw/core/empty_slot.c | 19 ++++++++-----------
 hw/core/trace-events |  4 ++++
 2 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/hw/core/empty_slot.c b/hw/core/empty_slot.c
index 576b276c4b..d28f7f99c9 100644
--- a/hw/core/empty_slot.c
+++ b/hw/core/empty_slot.c
@@ -14,15 +14,7 @@
 #include "qemu/module.h"
 #include "hw/qdev-properties.h"
 #include "hw/empty_slot.h"
-
-//#define DEBUG_EMPTY_SLOT
-
-#ifdef DEBUG_EMPTY_SLOT
-#define DPRINTF(fmt, ...)                                       \
-    do { printf("empty_slot: " fmt , ## __VA_ARGS__); } while (0)
-#else
-#define DPRINTF(fmt, ...) do {} while (0)
-#endif
+#include "trace.h"
 
 #define TYPE_EMPTY_SLOT "empty_slot"
 #define EMPTY_SLOT(obj) OBJECT_CHECK(EmptySlot, (obj), TYPE_EMPTY_SLOT)
@@ -38,14 +30,19 @@ typedef struct EmptySlot {
 static uint64_t empty_slot_read(void *opaque, hwaddr addr,
                                 unsigned size)
 {
-    DPRINTF("read from " TARGET_FMT_plx "\n", addr);
+    EmptySlot *s = EMPTY_SLOT(opaque);
+
+    trace_empty_slot_write(addr, size << 1, 0, size, s->name);
+
     return 0;
 }
 
 static void empty_slot_write(void *opaque, hwaddr addr,
                              uint64_t val, unsigned size)
 {
-    DPRINTF("write 0x%x to " TARGET_FMT_plx "\n", (unsigned)val, addr);
+    EmptySlot *s = EMPTY_SLOT(opaque);
+
+    trace_empty_slot_write(addr, size << 1, val, size, s->name);
 }
 
 static const MemoryRegionOps empty_slot_ops = {
diff --git a/hw/core/trace-events b/hw/core/trace-events
index 1ac60ede6b..bbb68fb6f0 100644
--- a/hw/core/trace-events
+++ b/hw/core/trace-events
@@ -34,3 +34,7 @@ clock_disconnect(const char *clk) "'%s'"
 clock_set(const char *clk, uint64_t old, uint64_t new) "'%s', ns=%"PRIu64"->%"PRIu64
 clock_propagate(const char *clk) "'%s'"
 clock_update(const char *clk, const char *src, uint64_t val, int cb) "'%s', src='%s', ns=%"PRIu64", cb=%d"
+
+# empty_slot.c
+empty_slot_read(uint64_t addr, unsigned width, uint64_t value, unsigned size, const char *name) "rd addr:0x%04"PRIx64" data:0x%0*"PRIx64" size %u [%s]"
+empty_slot_write(uint64_t addr, unsigned width, uint64_t value, unsigned size, const char *name) "wr addr:0x%04"PRIx64" data:0x%0*"PRIx64" size %u [%s]"
-- 
2.21.3